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Changed milestone "draft-ietf-mpls-tp-psc-itu", resolved as "Done".

URL: http://datatracker.ietf.org/wg/mpls/charter/


From nobody Sat Mar  1 00:31:56 2014
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Working Group,

This state change is normal procedure, we mark the drafts "Done" when
they go into IETF LAST Call or IESG Evaluation.

/Loa

On 2014-03-01 09:28, IETF Secretariat wrote:
> Changed milestone "draft-ietf-mpls-tp-psc-itu", resolved as "Done".
>
> URL: http://datatracker.ietf.org/wg/mpls/charter/
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Sat Mar  1 08:25:03 2014
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From: Lucy yong <lucy.yong@huawei.com>
To: Quintin zhao <quintin.zhao@huawei.com>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] Poll for Adoption draft-chen-mpls-p2mp-ingress-protection-11
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Subject: Re: [mpls] Poll for Adoption draft-chen-mpls-p2mp-ingress-protection-11
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Support!

Cheers,
Lucy

On Feb 18, 2014, at 5:08, Ross Callon <rcallon@juniper.net> wrote:

> This is to start a poll on adopting
> draft-chen-mpls-p2mp-ingress-protection-11
> as an MPLS working group document. Since this call will continue=20
> through the IETF meeting in London, I will extent the poll by one week=20
> (so that it will be a three week poll).
> =20
> Please send your comments (support/not support) to the mpls working=20
> group mailing list (mpls@ietf.org).
> =20
> This poll will end Tuesday March 11, 2014. This is of course the=20
> Tuesday after the IETF.
> =20
> Thanks, Ross
> =20
> =20
> _______________________________________________
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> mpls@ietf.org
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From: "Nobo Akiya (nobo)" <nobo@cisco.com>
To: Mach Chen <mach.chen@huawei.com>, Sam Aldrin <aldrin.ietf@gmail.com>
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Subject: Re: [mpls] Thanks for comments on draft-akiya-mpls-lsp-ping-reply-mode-simple
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Hi Sam,

Yes, thank you for comments.
Please find response with [NOBO] in-line.

From: Mach Chen [mailto:mach.chen@huawei.com]
Sent: Friday, February 07, 2014 4:54 AM
To: Sam Aldrin; Nobo Akiya (nobo)
Cc: mpls@ietf.org; draft-akiya-mpls-lsp-ping-reply-mode-simple@tools.ietf.o=
rg; Curtis Villamizar
Subject: RE: [mpls] Thanks for comments on draft-akiya-mpls-lsp-ping-reply-=
mode-simple

Hi Sam,

Thanks for your comments, the authors (some still on their vacation) will d=
iscuss and address your comments later.

Best regards,
Mach

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Sam Aldrin
Sent: Friday, February 07, 2014 4:24 AM
To: Nobo Akiya (nobo)
Cc: mpls@ietf.org<mailto:mpls@ietf.org>; draft-akiya-mpls-lsp-ping-reply-mo=
de-simple@tools.ietf.org<mailto:draft-akiya-mpls-lsp-ping-reply-mode-simple=
@tools.ietf.org>; Curtis Villamizar
Subject: Re: [mpls] Thanks for comments on draft-akiya-mpls-lsp-ping-reply-=
mode-simple

Hi Nobo et al,

Please find my initial comments of the draft v01.

- non-corouted -> associated

[NOBO] Ok. I have modified: s/non-co-routed/associated (i.e. LSPs in the tw=
o directions are not co-routed)/

- In sec 2

Some return path(s) are more preferred than others, but preferred

   cannot be used in all cases.  Thus implementations are required to

   compute when preferred return path encoding can and cannot be used,

   and that computation is becoming more and more difficult.

As response code is initiated by the initiator, user in this case, the pref=
erred return path is for UI implementation and not the actual LSP ping func=
tionality. Which/what part of implementation are you referring to?

[NOBO] Ok, this below text more clearer?

[snip]
   Operators prefer some return path(s) over others for specific LSP
   types.  To accommodate this, implementations may default to operator
   preferred return path (or allow default return path to be configured)
   for specific operation.  However, if the sender of MPLS echo request
   knew that "preferred" return path will not be available at intended
   target node, then it is not very beneficial to specify Reply Mode
   corresponding to "preferred" return path (i.e. sender of MPLS echo
   request will not receive MPLS echo reply in the success case).  What
   would be beneficial, for a given operation, is for the sender of MPLS
   echo request to determine which return path(s) can and cannot be used
   ahead of time.  Thus implementations often compute when preferred
   return path encoding can and cannot be used, and that computation is
   becoming more and more difficult.
[snip]

- Sec 2

This document adds one Reply Mode to describe reverse LSP, and one

   optional TLV to describe ordered list of reply modes.  Based on

   operational needs, the TLV can describe multiple Reply Mode values in

   preferred order to allow responder to use first available Reply Mode

   from the list.  This eliminates the need for initiator to compute, or

   sometimes "guess", the "default" return path encoding.  And that will

   result in simplified implementations across vendors, and result in

   improved usability to fit operational needs.

I do not subscribe to the text above as is. Even with the new proposal, the=
 compute/guess/default still remain, irrespective of presence/absence of th=
is new TLV. All you might be adding is an option for sender to group differ=
ent return codes, instead of initiator to send request individually (of cou=
rse little more than I summarized, but hope you got my point)

[NOBO] Unfortunately, I don't lol. With this TLV, implementations no longer=
 have to keep the logic to compute/guess available return path(s). A set of=
 return path(s) can always be used, irrespective of LSP type or operational=
 type. Looking at the comments below, I think one aspect which you may have=
 missed is the fact the sender of MPLS echo reply will set "Reply Mode" fie=
ld to the one which was used (from the list in TLV). Thus list can always b=
e provided in MPLS echo request, and initiator can deterministically conclu=
de, from "Reply Mode" field in MPLS echo reply, which return path responder=
 chose.

- Sec 3.1, how is this different from RFC 7110? If same, please call it out=
 here and remove TBD1 as sec 4.1 of RFC7110 added reply mode 5 for the same=
. If different to the RFC, I would like to see those details here.

[NOBO] Reply Mode introduced by RFC7110 specifies that MPLS echo reply is t=
o be sent on LSP corresponding to FEC described in Reply Path TLV. Although=
 Reply Path TLV has added B flag to indicate "reverse LSP", Reply Mode 5 st=
ill require Reply Path TLV with B flag to describe "reverse LSP". Reply Pat=
h TLV is good when wanting to use specific LSP as return path, but it's mor=
e difficult than necessary when wanting to just use reverse LSP. I will add=
 some texts to clarify this.

- Missing details on how it will work within proxy LSP ping.

[NOBO] It will work as is, thus I didn't see a need to clarify this. But ok=
, I will add some texts to clarify this.

General comments:

- I believe this new enhancement will only provide a degree of variance to =
RFC4379, where the response could be received back at initiator. Here is wh=
y
1. If the response is not received back at source, even with the new TLV, o=
ne cannot conclude that LSP is broken.

[NOBO] It depends on how you look at this. With this new TLV, it is difficu=
lt to figure out if lack of response is due to something broken or responde=
r didn't have the return path specified. With this new TLV, list of return =
paths are provided. Thus lack of response means either something is broken =
or none of the return paths specified were available at responder ... which=
, if return path list contained everything, then it can only mean something=
 is broken.

2. Bidirectional LSP's exist only for few FEC types. Hence this will be lim=
ited to those FEC types.

[NOBO] Not necessary. Reverse LSP Reply Mode can be used for any FEC types =
in the Reply Mode Order TLV. For those FEC types which do not have reverse =
LSP, reverse LSP reply mode will just get ignored. This is why I think this=
 draft will simplify things. An implementation can allow Reply Mode prefere=
nces to be configured. An implementation can then use that list for all FEC=
 types for all operational types ... no more "is this return path available=
" computation.

3. To solve one thing, we might be loosing other aspects. For example, when=
 I chose return codes in this order, a. Return LSP(5); b. IP(2). So, if ret=
urn LSP is broken, with RFC4379 & RFC7110, response will not be received. B=
ut with this, if IP path exists, response will be received and you do not k=
now how the response is received and initiator will not know the response i=
s sent over IP. Breakage of return LSP will not be know at the initiator.

[NOBO] As indicated above, initiator will know which Reply Mode was used fr=
om the list by responder, by looking at Reply Mode field in MPLS echo reply=
.

  4. As least common denominator is still RFC4379, to support backward capa=
bility, it is impossible to safely assume the network is fully supportive o=
f the new capability. Do we need controller for that? </jk>. At the end of =
the day, this is optimization for the sender to reduce number of requests.

[NOBO] LOL. This is backwards compatible. Reply Mode Order TLV is an option=
al TLV. MPLS echo request can still set Reply Mode value to a certain value=
 (and also carry Reply Mode Order TLV), which Reply Mode value can be used =
by responder node which do not understand Reply Mode Order TLV.

-Nobo

cheers
-sam

On Dec 16, 2013, at 6:28 PM, Nobo Akiya (nobo) <nobo@cisco.com<mailto:nobo@=
cisco.com>> wrote:


Hi Sam, Curtis, Greg,

Thank you for your comments at IETF88, in particular about:

- Transition plan
- Deviating operational preference in Reply Mode order
- Error cases for "Reply Mode Order TLV"

These points have been updated in -01.

In summary, we have decided to remove " Reply via pre-defined preference" R=
eply Mode, and to allow the "Reply Mode Order TLV" to be used with any Repl=
y Mode value in echo request.

URL:             http://www.ietf.org/internet-drafts/draft-akiya-mpls-lsp-p=
ing-reply-mode-simple-01.txt
Status:          http://datatracker.ietf.org/doc/draft-akiya-mpls-lsp-ping-=
reply-mode-simple
Htmlized:        http://tools.ietf.org/html/draft-akiya-mpls-lsp-ping-reply=
-mode-simple-01
Diff:            http://www.ietf.org/rfcdiff?url2=3Ddraft-akiya-mpls-lsp-pi=
ng-reply-mode-simple-01

-Nobo


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</head>
<body lang=3D"EN-CA" link=3D"blue" vlink=3D"purple">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Sam,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Yes, thank you for commen=
ts.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Please find response with=
 [NOBO] in-line.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> Mach Chen [mailto:mach.chen@huawei.com]
<br>
<b>Sent:</b> Friday, February 07, 2014 4:54 AM<br>
<b>To:</b> Sam Aldrin; Nobo Akiya (nobo)<br>
<b>Cc:</b> mpls@ietf.org; draft-akiya-mpls-lsp-ping-reply-mode-simple@tools=
.ietf.org; Curtis Villamizar<br>
<b>Subject:</b> RE: [mpls] Thanks for comments on draft-akiya-mpls-lsp-ping=
-reply-mode-simple<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">Hi Sam,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">Thanks for your comments, the authors (some still on their=
 vacation) will discuss and address your comments later.<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">Best regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">Mach
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;mso-fareast-language:ZH=
-CN">From:</span></b><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-fa=
mily:&quot;Tahoma&quot;,&quot;sans-serif&quot;;mso-fareast-language:ZH-CN">=
 mpls [<a href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.or=
g</a>]
<b>On Behalf Of </b>Sam Aldrin<br>
<b>Sent:</b> Friday, February 07, 2014 4:24 AM<br>
<b>To:</b> Nobo Akiya (nobo)<br>
<b>Cc:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>; <a href=3D"m=
ailto:draft-akiya-mpls-lsp-ping-reply-mode-simple@tools.ietf.org">
draft-akiya-mpls-lsp-ping-reply-mode-simple@tools.ietf.org</a>; Curtis Vill=
amizar<br>
<b>Subject:</b> Re: [mpls] Thanks for comments on draft-akiya-mpls-lsp-ping=
-reply-mode-simple<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">Hi Nobo et al,<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">Please find my initial comments of the draft v01.<o:p></o:p></span></=
p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">- non-corouted -&gt; associated<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">[NOBO] Ok. I have modified: s/non-co-routed/associated (i.=
e. LSPs in the two directions are not co-routed)/<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">- In sec 2<o:p></o:p></span></p>
</div>
<div>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">Some return path(s) are more preferred than others, but pr=
eferred<o:p></o:p></span></pre>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">&nbsp;&nbsp; cannot be used in all cases.&nbsp; Thus imple=
mentations are required to<o:p></o:p></span></pre>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">&nbsp;&nbsp; compute when preferred return path encoding c=
an and cannot be used,<o:p></o:p></span></pre>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">&nbsp;&nbsp; and that computation is becoming more and mor=
e difficult.<o:p></o:p></span></pre>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">As response code is initiated by the initiator, user in this case, th=
e preferred return path is for UI implementation and not the actual LSP pin=
g functionality. Which/what part of implementation
 are you referring to?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">[NOBO] Ok, this below text more clearer?<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">[snip]<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; Operators prefer some return path(s) over oth=
ers for specific LSP<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; types.&nbsp; To accommodate this, implementat=
ions may default to operator<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; preferred return path (or allow default retur=
n path to be configured)<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; for specific operation.&nbsp; However, if the=
 sender of MPLS echo request<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; knew that &quot;preferred&quot; return path w=
ill not be available at intended<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; target node, then it is not very beneficial t=
o specify Reply Mode<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; corresponding to &quot;preferred&quot; return=
 path (i.e. sender of MPLS echo<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; request will not receive MPLS echo reply in t=
he success case).&nbsp; What<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; would be beneficial, for a given operation, i=
s for the sender of MPLS<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; echo request to determine which return path(s=
) can and cannot be used<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; ahead of time.&nbsp; Thus implementations oft=
en compute when preferred<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; return path encoding can and cannot be used, =
and that computation is<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; becoming more and more difficult.<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">[snip]<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">- Sec 2<o:p></o:p></span></p>
</div>
<div>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">This document adds one Reply Mode to describe reverse LSP,=
 and one<o:p></o:p></span></pre>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">&nbsp;&nbsp; optional TLV to describe ordered list of repl=
y modes.&nbsp; Based on<o:p></o:p></span></pre>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">&nbsp;&nbsp; operational needs, the TLV can describe multi=
ple Reply Mode values in<o:p></o:p></span></pre>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">&nbsp;&nbsp; preferred order to allow responder to use fir=
st available Reply Mode<o:p></o:p></span></pre>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">&nbsp;&nbsp; from the list.&nbsp; This eliminates the need=
 for initiator to compute, or<o:p></o:p></span></pre>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">&nbsp;&nbsp; sometimes &quot;guess&quot;, the &quot;defaul=
t&quot; return path encoding.&nbsp; And that will<o:p></o:p></span></pre>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">&nbsp;&nbsp; result in simplified implementations across v=
endors, and result in<o:p></o:p></span></pre>
<pre style=3D"line-height:14.4pt"><span lang=3D"EN-US" style=3D"mso-fareast=
-language:ZH-CN">&nbsp;&nbsp; improved usability to fit operational needs.<=
o:p></o:p></span></pre>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">I do not subscribe to the text above as is. Even with the new proposa=
l, the compute/guess/default still remain, irrespective of presence/absence=
 of this new TLV. All you might be adding
 is an option for sender to group different return codes, instead of initia=
tor to send request individually (of course little more than I summarized, =
but hope you got my point)<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">[NOBO] Unfortunately, I don&#8217;t lol. With this TLV, im=
plementations no longer have to keep the logic to compute/guess
 available return path(s). A set of return path(s) can always be used, irre=
spective of LSP type or operational type. Looking at the comments below, I =
think one aspect which you may have missed is the fact the sender of MPLS e=
cho reply will set &#8220;Reply Mode&#8221;
 field to the one which was used (from the list in TLV). Thus list can alwa=
ys be provided in MPLS echo request, and initiator can deterministically co=
nclude, from &#8220;Reply Mode&#8221; field in MPLS echo reply, which retur=
n path responder chose.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">- Sec 3.1, how is this different from RFC 7110? If same, please call =
it out here and remove TBD1 as sec 4.1 of RFC7110 added reply mode 5 for th=
e same. If different to the RFC, I would
 like to see those details here.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D;mso-fare=
ast-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">[NOBO] Reply Mode introduced by RFC7110 specifies that MPL=
S echo reply is to be sent on LSP corresponding to FEC described
 in Reply Path TLV. Although Reply Path TLV has added B flag to indicate &#=
8220;reverse LSP&#8221;, Reply Mode 5 still require Reply Path TLV with B f=
lag to describe &#8220;reverse LSP&#8221;. Reply Path TLV is good when want=
ing to use specific LSP as return path, but it&#8217;s more difficult
 than necessary when wanting to just use reverse LSP. I will add some texts=
 to clarify this.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">- Missing details on how it will work within proxy LSP ping.<o:p></o:=
p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D;mso-fare=
ast-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">[NOBO] It will work as is, thus I didn&#8217;t see a need =
to clarify this. But ok, I will add some texts to clarify this.<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">General comments:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">- I believe this new enhancement will only provide a degree of varian=
ce to RFC4379, where the response could be received back at initiator. Here=
 is why<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"text-indent:6.0pt"><span lang=3D"EN-US" sty=
le=3D"mso-fareast-language:ZH-CN">1. If the response is not received back a=
t source, even with the new TLV, one cannot conclude that LSP is broken.&nb=
sp;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">[NOBO] It depends on how you look at this. With this new T=
LV, it is difficult to figure out if lack of response is due
 to something broken or responder didn&#8217;t have the return path specifi=
ed. With this new TLV, list of return paths are provided. Thus lack of resp=
onse means either something is broken or none of the return paths specified=
 were available at responder &#8230; which,
 if return path list contained everything, then it can only mean something =
is broken.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"text-indent:6.0pt"><span lang=3D"EN-US" sty=
le=3D"mso-fareast-language:ZH-CN">2. Bidirectional LSP&#8217;s exist only f=
or few FEC types. Hence this will be limited to those FEC types.&nbsp;<o:p>=
</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">[NOBO] Not necessary. Reverse LSP Reply Mode can be used f=
or any FEC types in the Reply Mode Order TLV. For those FEC
 types which do not have reverse LSP, reverse LSP reply mode will just get =
ignored. This is why I think this draft will simplify things. An implementa=
tion can allow Reply Mode preferences to be configured. An implementation c=
an then use that list for all FEC
 types for all operational types &#8230; no more &#8220;is this return path=
 available&#8221; computation.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"text-indent:6.0pt"><span lang=3D"EN-US" sty=
le=3D"mso-fareast-language:ZH-CN">3. To solve one thing, we might be loosin=
g other aspects. For example, when I chose return codes in this order, a. R=
eturn LSP(5); b. IP(2). So, if return LSP
 is broken, with RFC4379 &amp; RFC7110, response will not be received. But =
with this, if IP path exists, response will be received and you do not know=
 how the response is received and initiator will not know the response is s=
ent over IP. Breakage of return LSP
 will not be know at the initiator.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">[NOBO] As indicated above, initiator will know which Reply=
 Mode was used from the list by responder, by looking at Reply
 Mode field in MPLS echo reply.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">&nbsp; 4. As least common denominator is still RFC4379, to support ba=
ckward capability, it is impossible to safely assume the network is fully s=
upportive of the new capability. Do we need
 controller for that? &lt;/jk&gt;. At the end of the day, this is optimizat=
ion for the sender to reduce number of requests.&nbsp;<o:p></o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D;mso-fare=
ast-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">[NOBO] LOL. This is backwards compatible. Reply Mode Order=
 TLV is an optional TLV. MPLS echo request can still set Reply
 Mode value to a certain value (and also carry Reply Mode Order TLV), which=
 Reply Mode value can be used by responder node which do not understand Rep=
ly Mode Order TLV.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN">-Nobo<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;mso-fareast=
-language:ZH-CN"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">cheers<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">-sam<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><o:p>&nbsp;</o:p></span></p>
<div>
<div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">On Dec 16, 2013, at 6:28 PM, Nobo Akiya (nobo) &lt;<a href=3D"mailto:=
nobo@cisco.com">nobo@cisco.com</a>&gt; wrote:<o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><br>
<br>
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN">Hi Sam, Curtis, Greg,<br>
<br>
Thank you for your comments at IETF88, in particular about:<br>
<br>
- Transition plan<br>
- Deviating operational preference in Reply Mode order<br>
- Error cases for &quot;Reply Mode Order TLV&quot;<br>
<br>
These points have been updated in -01.<br>
<br>
In summary, we have decided to remove &quot; Reply via pre-defined preferen=
ce&quot; Reply Mode, and to allow the &quot;Reply Mode Order TLV&quot; to b=
e used with any Reply Mode value in echo request.<br>
<br>
URL: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;<a href=3D"http://www.ietf.org/internet-drafts/draft-akiya-mpls-lsp-ping-=
reply-mode-simple-01.txt">http://www.ietf.org/internet-drafts/draft-akiya-m=
pls-lsp-ping-reply-mode-simple-01.txt</a><br>
Status: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href=3D"ht=
tp://datatracker.ietf.org/doc/draft-akiya-mpls-lsp-ping-reply-mode-simple">=
http://datatracker.ietf.org/doc/draft-akiya-mpls-lsp-ping-reply-mode-simple=
</a><br>
Htmlized: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href=3D"http://tools=
.ietf.org/html/draft-akiya-mpls-lsp-ping-reply-mode-simple-01">http://tools=
.ietf.org/html/draft-akiya-mpls-lsp-ping-reply-mode-simple-01</a><br>
Diff: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a =
href=3D"http://www.ietf.org/rfcdiff?url2=3Ddraft-akiya-mpls-lsp-ping-reply-=
mode-simple-01">http://www.ietf.org/rfcdiff?url2=3Ddraft-akiya-mpls-lsp-pin=
g-reply-mode-simple-01</a><br>
<br>
-Nobo<o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"mso-fareast-language:Z=
H-CN"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
</div>
</div>
</div>
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From: "Nobo Akiya (nobo)" <nobo@cisco.com>
To: Ross Callon <rcallon@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Poll for Adoption draft-chen-mpls-p2mp-ingress-protection-11
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I support the intent of this draft, and one of the detection mechanism desc=
ribed (3.3).

But I think the document is a bit miss leading the validity of detection/tr=
igger part, which I hope will get discussed/updated further.

Some specific comments.

2.1, 3rd paragraph.

   Ra should be able to detect the failure of R1 and switch the traffic
   within 10s of ms.  The exact method by which Ra does so is out of
   scope.  Different options are discussed in this draft.

If the method to detect node failure of primary ingress is out of the scope=
, then how can the document claim protection switchover within 10s of milli=
seconds? Section 2.2 again mentions:

   The traffic switchover time is within tens of
   milliseconds whenever the ingress, any of the links and the
   intermediate nodes of the LSP fails.

It is a bit miss leading to state that protection can function within such =
small time window, because it is very dependent on how fast backup ingress =
can determine the node failure of primary ingress, which is outside the sco=
pe of this document.

2.1, last paragraph.

   Note that the backup egress must be one logical hop away from the
   ingress.  A logical hop is a direct link or a tunnel such as a GRE
   tunnel, over which RSVP-TE messages may be exchanged.

Did you really mean "backup egress"? Or should it be "backup ingress"?

3.1.

This option requires that the source and the backup ingress to synchronize =
the failure of the primary ingress. Otherwise the proposed will not work (e=
x: only the source detecting the failure will cause black hole). This shoul=
d be spelled out.

3.2, first paragraph.

   Backup Detects Failure or Backup-Detect means that the backup ingress
   is responsible for detecting the failure of the primary ingress of an
   LSP.  The source SHOULD send the traffic simultaneously to both the
   primary ingress and backup ingress.

Why is it SHOULD and not MUST? If the source is not sending the traffic to =
backup ingress, then isn't it the same as 3.1 (Backup-Source-Detect)?

3.2, last paragraph.

This paragraph is implying that BFD can be used for backup ingress to detec=
t "node failure" of primary ingress, but that is not true. This is miss lea=
ding, and limitations should be described or ... real detection mechanism s=
hould be described. And by limitation, you could easily get duplicated traf=
fic.

-Nobo

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Monday, February 17, 2014 4:09 PM
To: mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org
Subject: [mpls] Poll for Adoption draft-chen-mpls-p2mp-ingress-protection-1=
1

This is to start a poll on adopting draft-chen-mpls-p2mp-ingress-protection=
-11
as an MPLS working group document. Since this call will continue through th=
e
IETF meeting in London, I will extent the poll by one week (so that it will=
 be a
three week poll).

Please send your comments (support/not support) to the mpls working group
mailing list (mpls@ietf.org<mailto:mpls@ietf.org>).

This poll will end Tuesday March 11, 2014. This is of course the Tuesday af=
ter
the IETF.

Thanks, Ross



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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">I support the intent of t=
his draft, and one of the detection mechanism described (3.3).<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">But I think the document =
is a bit miss leading the validity of detection/trigger part, which I hope =
will get discussed/updated further.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Some specific comments.<o=
:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">2.1, 3<sup>rd</sup> parag=
raph.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; Ra should be abl=
e to detect the failure of R1 and switch the traffic<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; within 10s of ms=
.&nbsp; The exact method by which Ra does so is out of<o:p></o:p></span></p=
>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; scope.&nbsp; Dif=
ferent options are discussed in this draft.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">If the method to detect n=
ode failure of primary ingress is out of the scope, then how can the docume=
nt claim protection switchover within 10s of milliseconds?
 Section 2.2 again mentions:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; The traffic swit=
chover time is within tens of<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; milliseconds whe=
never the ingress, any of the links and the<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Co=
urier New&quot;">&nbsp;&nbsp; intermediate nodes of the LSP fails.<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">It is a bit miss leading =
to state that protection can function within such small time window, becaus=
e it is very dependent on how fast backup ingress can determine
 the node failure of primary ingress, which is outside the scope of this do=
cument.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">2.1, last paragraph.<o:p>=
</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; Note that the ba=
ckup egress must be one logical hop away from the<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; ingress.&nbsp; A=
 logical hop is a direct link or a tunnel such as a GRE<o:p></o:p></span></=
p>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; tunnel, over whi=
ch RSVP-TE messages may be exchanged.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Did you really mean &#822=
0;backup egress&#8221;? Or should it be &#8220;backup ingress&#8221;?<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">3.1.<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This option requires that=
 the source and the backup ingress to synchronize the failure of the primar=
y ingress. Otherwise the proposed will not work (ex: only
 the source detecting the failure will cause black hole). This should be sp=
elled out.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">3.2, first paragraph.<o:p=
></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; Backup Detects F=
ailure or Backup-Detect means that the backup ingress<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; is responsible f=
or detecting the failure of the primary ingress of an<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; LSP.&nbsp; The s=
ource SHOULD send the traffic simultaneously to both the<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal" style=3D"line-height:14.4pt"><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Courier New&quot;">&nbsp;&nbsp; primary ingress =
and backup ingress.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Why is it SHOULD and not =
MUST? If the source is not sending the traffic to backup ingress, then isn&=
#8217;t it the same as 3.1 (Backup-Source-Detect)?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">3.2, last paragraph.<o:p>=
</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This paragraph is implyin=
g that BFD can be used for backup ingress to detect &#8220;node failure&#82=
21; of primary ingress, but that is not true. This is miss leading,
 and limitations should be described or &#8230; real detection mechanism sh=
ould be described. And by limitation, you could easily get duplicated traff=
ic.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">-Nobo<o:p></o:p></span></=
p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> mpls [mailto:mpls-bounces@ietf.org]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Monday, February 17, 2014 4:09 PM<br>
<b>To:</b> mpls@ietf.org<br>
<b>Cc:</b> mpls-chairs@tools.ietf.org<br>
<b>Subject:</b> [mpls] Poll for Adoption draft-chen-mpls-p2mp-ingress-prote=
ction-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">This is to start a poll =
on adopting draft-chen-mpls-p2mp-ingress-protection-11<o:p></o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">as an MPLS working group=
 document. Since this call will continue through the
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">IETF meeting in London, =
I will extent the poll by one week (so that it will be a
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">three week poll).
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Please send your comment=
s (support/not support) to the mpls working group
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">mailing list (<a href=3D=
"mailto:mpls@ietf.org"><span style=3D"color:windowtext">mpls@ietf.org</span=
></a>).<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">This poll will end Tuesd=
ay March 11, 2014. This is of course the Tuesday after
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">the IETF.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Thanks, Ross<o:p></o:p><=
/span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
</div>
</div>
</div>
</body>
</html>

--_000_CECE764681BE964CBE1DFF78F3CDD3941E05633Axmbalnx01ciscoc_--


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From: Autumn Liu <autumn.liu@ericsson.com>
To: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] Poll for Adoption draft-chen-mpls-p2mp-ingress-protection-11
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Subject: Re: [mpls] Poll for Adoption draft-chen-mpls-p2mp-ingress-protection-11
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Support as co-author.
-Autumn

On Feb 18, 2014, at 5:08, Ross Callon <rcallon@juniper.net> wrote:

> This is to start a poll on adopting
> draft-chen-mpls-p2mp-ingress-protection-11
> as an MPLS working group document. Since this call will continue=20
> through the IETF meeting in London, I will extent the poll by one week=20
> (so that it will be a three week poll).
> =20
> Please send your comments (support/not support) to the mpls working=20
> group mailing list (mpls@ietf.org).
> =20
> This poll will end Tuesday March 11, 2014. This is of course the=20
> Tuesday after the IETF.
> =20
> Thanks, Ross
> =20
> =20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
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From: RFC Errata System <rfc-editor@rfc-editor.org>
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Subject: [mpls] [Errata Rejected] RFC3270 (1910)
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The following errata report has been rejected for RFC3270,
"Multi-Protocol Label Switching (MPLS) Support of Differentiated Services".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=3270&eid=1910

--------------------------------------
Status: Rejected
Type: Technical

Reported by: Francois Le Faucheur <flefauch@cisco.com>
Date Reported: 2009-10-13
Rejected by: Adrian Farrel (IESG)

Section: 5.2.1

Original Text
-------------
MAPnb : 4 bits
         Indicates the number of MAP entries included in the DIFFSERV
         Object.  This can be set to any value from 0 to 8.

Corrected Text
--------------
MAPnb : 4 bits
         Indicates the number of MAP entries included in the DIFFSERV
         Object.  This can be set to any value from 0 to 7.

Notes
-----
This errata was reported by Colors Springfield <springfieldcolors@gmail.com> on 13 October 2009.
 --VERIFIER NOTES-- 
After many cycles of discussion, we have concluded that this issue is not as simple as it appears. There are many consequences of a change to this text with the conclusion that this would be a technical change that is best addressed through full WG discussion and the RFC process. Thus, anyone concerned about this issue should write an Internet-Draft and bring it to the MPLS working group.

--------------------------------------
RFC3270 (draft-ietf-mpls-diff-ext-09)
--------------------------------------
Title               : Multi-Protocol Label Switching (MPLS) Support of Differentiated Services
Publication Date    : May 2002
Author(s)           : F. Le Faucheur, L. Wu, B. Davie, S. Davari, P. Vaananen, R. Krishnan, P. Cheval, J. Heinanen
Category            : PROPOSED STANDARD
Source              : Multiprotocol Label Switching
Area                : Routing
Stream              : IETF
Verifying Party     : IESG


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Date: Sun, 02 Mar 2014 14:23:12 +0100
From: Martin Stiemerling <mls.ietf@gmail.com>
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Subject: [mpls] TSVAREA session about tunneling foo over UDP
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[This message is sent in parallel to routing-discussion@ietf.org, 
mpls@ietf.org, nvo3@ietf.org and l2vpn@ietf.org just to keep people 
informed]

Dear all,

This is a heads-up for the TSVAREA session at the IETF-89 meeting on

        Thursday, March 6, 09:00 am to 11:30 am

There are two parts of the TSVAREA session that might be of interest to you:
- How to train other protocol designers about UDP Design Considerations
   (10 + 20 minutes)
- Foo over UDP tunneling discussion - what recommendations does TSV make 
(and why)? (15 minutes)

The full agenda is here:
https://datatracker.ietf.org/meeting/89/agenda/tsvarea/

Thank you,

   Martin Stiemerling


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Subject: [mpls] RFC 7140 on LDP Extensions for Hub and Spoke Multipoint Label Switched Path
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A new Request for Comments is now available in online RFC libraries.

        
        RFC 7140

        Title:      LDP Extensions for Hub and 
                    Spoke Multipoint Label Switched Path 
        Author:     L. Jin, F. Jounay,
                    IJ. Wijnands, N. Leymann
        Status:     Standards Track
        Stream:     IETF
        Date:       March 2014
        Mailbox:    lizho.jin@gmail.com, 
                    frederic.jounay@orange.ch, 
                    ice@cisco.com,  n.leymann@telekom.de
        Pages:      15
        Characters: 33570
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-mpls-mldp-hsmp-06.txt

        URL:        http://www.rfc-editor.org/rfc/rfc7140.txt

This document introduces a hub and spoke multipoint (HSMP) Label
Switched Path (LSP), which allows traffic from root to leaf through
point-to-multipoint (P2MP) LSPs and also leaf to root along the
reverse path.  That means traffic entering the HSMP LSP from the
application/customer at the root node travels downstream to each leaf
node, exactly as if it were traveling downstream along a P2MP LSP to
each leaf node.  Upstream traffic entering the HSMP LSP at any leaf
node travels upstream along the tree to the root, as if it were
unicast to the root.  Direct communication among the leaf nodes is
not allowed.

This document is a product of the Multiprotocol Label Switching Working Group of the IETF.

This is now a Proposed Standard.

STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements.  Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol.  Distribution of this memo is unlimited.

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Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Dear all,
I read this document and I can say that it is useful for identifying gaps i=
n MPLS related standards for interoperable deployment of IPv6 control plane=
 and data plane in operators networks. It should be progressed as a working=
 group document.

I compiled a list of comments below.

Regards,
Mustapha.
------------------------------
1. Section 2 - Use Case
A common use case I have seen is that of a wireless operator that moved its=
 4G/LTE subscribers into IPv6 but their management and backend infrastructu=
re is still IPv4. In many of these networks, it is it is the management and=
 OAM traffic which needs to be carried in a MPLS VPN in order to separate i=
t from the subscriber traffic. The latter is IPv6 routed in most use cases =
I know of. As the number of devices (specifically cell site routers) to man=
age increases, the operator is compelled to move to IPv6.

2. Section 3 - Gap Analysis
The reference to RSVP-TE spec is no correct. I assume the authors meant RFC=
 3209.

3. Section 3.1 - MPLS Data Plane
In the case where an IPv4 prefix is resolved over an IPv6 LSP, there may be=
 a need to push the IPv4 explicit null label value first before pushing the=
 IPv6 label. The reason for this is if the egress LSR advertised the IPv6 e=
xplicit null label for the outer IPv6 LSP, it may drop the packet if it is =
not an IPv6 one. =20

4. Section 3.2.1 - LDP
While reviewing draft-ietf-mpls-ldp-ipv6 on the MPLS WG mailing list, there=
 were a couple of comments which were made by a number of operators and whi=
ch I consider as gaps in LDP IPv6:
a. the need for extending LDP to use a 128-bit LSR-ID. The idea was to allo=
w for using an IPv6 loopback to identify the LSR. In many cases, the LSR ID=
 matches a routable address in the operator's network.
We wrote the following draft to address this (needs a refresh):
http://tools.ietf.org/html/draft-pdutta-mpls-ldp-v2-00
b. the need to support separate IPv6 and IPv4 LDP sessions when LSR peers o=
ver a dual-stack interface. We wrote the following draft to achieve this:
http://tools.ietf.org/html/draft-pdutta-mpls-multi-ldp-instance-00
=20
5. Section 3.2.2 - Multipoint LDP
RFC 6388 provides a single session level LDP capability for mLDP P2MP and M=
P2MP FECs. There is no distinction between IPv4 and IPv6. We need to add a =
separate capability for IPv6 for each type.

6. Section 3.3.1 - L2VPN
We need to add a reference to RFC 6073 which defined the LDP SP-PE TLV and =
which already supports IPv4 and IPV6 addresses of the S-PE nodes.
We also need a reference to draft-ietf-pwe3-dynamic-ms-pw-20 for dynamic MS=
-PW. I checked it and it seems the discovery part which is consistent with =
RFC 4760 supports IPv6 PE address.

7. Section 3.3.2 - L3VPN
Section 3.2.1.1 "BGP Speaker Requesting IPv6 Transport" does actually speci=
fies a 128-bit BGP next-hop. No?

8. Section 3.4.2 - LSP Ping
I do not understand the issue described in the case of LSP trace. Why would=
 the ingress LSR send an IPv4 echo request message? The LSP is signaled wit=
h IPv6 control plane and its target FEC stack TLV is IPv6 (LDP, RSVP, or BG=
P LSP), the MPLS echo request and reply packets must be IPv6.=20

9. Section 3.4.4 - PW OAM
I think the reference to RFC 6829 which defined the FEC 128 and FEC 129 tar=
get FEC Stack TLVs in a IPv6 environment should be added here instead of Se=
ction 3.4.2.
---------------------------------------------------------------------------=
---------------


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Subject: [mpls] Fwd: Introduciton to ACTN (Abstraction and Control of Transport Networks)
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<It was pointed out that i missed mpls and pwe3.... again apologies if you
received multiple copies of this mail.>

Hi,

I wanted to forward the mail from Young regarding ACTN (Abstraction and
Control of Transport Networks) that might interest some of you.

Have a great IETF week!

Dhruv
*<apologies if you received multiple copies of this mail.>*

Hi,

I wanted to forward the mail from Young regarding ACTN (Abstraction and
Control of Transport Networks) that might interest some of you.

Have a great IETF week!

Dhruv
---------- Forwarded message ----------
From: Leeyoung <leeyoung@huawei.com>
Date: Sat, Mar 1, 2014 at 11:32 PM
Subject: [Sdn] Introduciton to ACTN (Abstraction and Control of Transport
Networks)
To: CCAMP <ccamp@ietf.org>, "sdn@irtf.org" <sdn@irtf.org>, "pce@ietf.org" <
pce@ietf.org>, alto <alto@ietf.org>
Cc: "actn@ietf.org" <actn@ietf.org>


 Hi,



I'd like to introduce a new activity in the routing area called ACTN
(Abstraction and Control of Transport Networks).



This work was first introduced in Vancouver in some of the WG/RG meetings
like PCE-WG and SDN-RG and a bar BoF. We have progressed quite a bit since
then, and I believe some of the recipients of the list WGs would be
interested in this work.



Updated information can be found in the following pointer:
https://sites.google.com/site/actnbof/ that include an initial charter,
internet-drafts, and previous meeting information, etc.



If you have any question about this work and informal bar BoF meeting(s) we
are planning on in London, please feel free to contact me.



Best Regards,

Young



_______________________________________________
sdn mailing list
sdn@irtf.org
https://www.irtf.org/mailman/listinfo/sdn

--047d7bdca8be5fa0bb04f3a51b13
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<p dir=3D"ltr">&lt;It was pointed out that i missed mpls and pwe3.... again=
 apologies if you received multiple copies of this mail.&gt;</p>
<p dir=3D"ltr">Hi,</p>
<p dir=3D"ltr">I wanted to forward the mail from Young regarding ACTN (Abst=
raction and Control of Transport Networks) that might interest some of you.=
</p>
<p dir=3D"ltr">Have a great IETF week!</p>
<p dir=3D"ltr">Dhruv</p>
<div class=3D"gmail_quot&lt;blockquote class=3D" style=3D"margin:0 0 0 .8ex=
;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><i>&lt;apolo=
gies if you received multiple copies of this mail.&gt;</i><br><br>Hi,<br><b=
r>I wanted to forward the mail from Young regarding ACTN (Abstraction and C=
ontrol of Transport Networks) that might interest some of you. <br>


<br>Have a great IETF week! <br><br>Dhruv<br><div class=3D"gmail_quote">---=
------- Forwarded message ----------<br>From: <b class=3D"gmail_sendername"=
>Leeyoung</b> <span dir=3D"ltr">&lt;<a href=3D"mailto:leeyoung@huawei.com" =
target=3D"_blank">leeyoung@huawei.com</a>&gt;</span><br>


Date: Sat, Mar 1, 2014 at 11:32 PM<br>Subject: [Sdn] Introduciton to ACTN (=
Abstraction and Control of Transport Networks)<br>To: CCAMP &lt;<a href=3D"=
mailto:ccamp@ietf.org" target=3D"_blank">ccamp@ietf.org</a>&gt;, &quot;<a h=
ref=3D"mailto:sdn@irtf.org" target=3D"_blank">sdn@irtf.org</a>&quot; &lt;<a=
 href=3D"mailto:sdn@irtf.org" target=3D"_blank">sdn@irtf.org</a>&gt;, &quot=
;<a href=3D"mailto:pce@ietf.org" target=3D"_blank">pce@ietf.org</a>&quot; &=
lt;<a href=3D"mailto:pce@ietf.org" target=3D"_blank">pce@ietf.org</a>&gt;, =
alto &lt;<a href=3D"mailto:alto@ietf.org" target=3D"_blank">alto@ietf.org</=
a>&gt;<br>


Cc: &quot;<a href=3D"mailto:actn@ietf.org" target=3D"_blank">actn@ietf.org<=
/a>&quot; &lt;<a href=3D"mailto:actn@ietf.org" target=3D"_blank">actn@ietf.=
org</a>&gt;<br><br><br>





<div lang=3D"EN-US" link=3D"blue" vlink=3D"purple">
<div>
<p class=3D"MsoNormal">Hi,<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p>
<p class=3D"MsoNormal">I&rsquo;d like to introduce a new activity in the ro=
uting area called ACTN (Abstraction and Control of Transport Networks).
<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p>
<p class=3D"MsoNormal">This work was first introduced in Vancouver in some =
of the WG/RG meetings like PCE-WG and SDN-RG and a bar BoF. We have progres=
sed quite a bit since then, and I believe some of the recipients of the lis=
t WGs would be interested in this
 work.<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p>
<p class=3D"MsoNormal">Updated information can be found in the following po=
inter: <a href=3D"https://sites.google.com/site/actnbof/" target=3D"_blank"=
>
https://sites.google.com/site/actnbof/</a> that include an initial charter,=
 internet-drafts, and previous meeting information, etc.
<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p>
<p class=3D"MsoNormal">If you have any question about this work and informa=
l bar BoF meeting(s) we are planning on in London, please feel free to cont=
act me.
<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p>
<p class=3D"MsoNormal">Best Regards,<u></u><u></u></p>
<p class=3D"MsoNormal">Young<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p>
</div>
</div>

<br>_______________________________________________<br>
sdn mailing list<br>
<a href=3D"mailto:sdn@irtf.org" target=3D"_blank">sdn@irtf.org</a><br>
<a href=3D"https://www.irtf.org/mailman/listinfo/sdn" target=3D"_blank">htt=
ps://www.irtf.org/mailman/listinfo/sdn</a><br>
<br></div><br></div>
</div>

--047d7bdca8be5fa0bb04f3a51b13--


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Cc: mpls-chairs@tools.ietf.org
Subject: Re: [mpls] Poll for Adoption draft-chen-mpls-p2mp-ingress-protection-11
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Support.

Thanks,
Yanhe


>This is to start a poll on adopting
draft-chen-mpls-p2mp-ingress-protection-11

>as an MPLS working group document. Since this call will continue through
the

>IETF meeting in London, I will extent the poll by one week (so that it
will be a

>three week poll).



>Please send your comments (support/not support) to the mpls working group

>mailing list (mpls@ietf.org).



>This poll will end Tuesday March 11, 2014. This is of course the Tuesday
after

>the IETF.



>Thanks, Ross

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<div dir=3D"ltr"><div>Support.</div><div>=A0</div><div>Thanks,</div><div>Ya=
nhe</div><div>=A0</div><div><p class=3D"MsoNormal"><span style=3D"font-fami=
ly:&quot;Calibri&quot;,&quot;sans-serif&quot;;font-size:11pt">&gt;This is t=
o start a poll on adopting draft-chen-mpls-p2mp-ingress-protection-11<u></u=
><u></u></span></p>
<div><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Calibri&quot;,=
&quot;sans-serif&quot;;font-size:11pt">&gt;as an MPLS working group documen=
t. Since this call will continue through the <u></u><u></u></span></p><p cl=
ass=3D"MsoNormal">
<span style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;font-=
size:11pt">&gt;IETF meeting in London, I will extent the poll by one week (=
so that it will be a <u></u><u></u></span></p><p class=3D"MsoNormal"><span =
style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;font-size:1=
1pt">&gt;three week poll). <u></u><u></u></span></p>
</div><div><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Calibri&=
quot;,&quot;sans-serif&quot;;font-size:11pt">=A0<u></u><u></u></span></p></=
div><div><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Calibri&qu=
ot;,&quot;sans-serif&quot;;font-size:11pt">&gt;Please send your comments (s=
upport/not support) to the mpls working group <u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Calibri&quot;,&quot=
;sans-serif&quot;;font-size:11pt">&gt;mailing list (<a href=3D"mailto:mpls@=
ietf.org" target=3D"_blank"><span style=3D"color:windowtext">mpls@ietf.org<=
/span></a>).<u></u><u></u></span></p>
</div><div><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Calibri&=
quot;,&quot;sans-serif&quot;;font-size:11pt">=A0<u></u><u></u></span></p></=
div><div><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Calibri&qu=
ot;,&quot;sans-serif&quot;;font-size:11pt">&gt;This poll will end Tuesday M=
arch 11, 2014. This is of course the Tuesday after <u></u><u></u></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Calibri&quot;,&quot=
;sans-serif&quot;;font-size:11pt">&gt;the IETF. <u></u><u></u></span></p></=
div><div><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Calibri&qu=
ot;,&quot;sans-serif&quot;;font-size:11pt">=A0<u></u><u></u></span></p>
</div><div><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Calibri&=
quot;,&quot;sans-serif&quot;;font-size:11pt">&gt;Thanks, Ross<u></u><u></u>=
</span></p></div></div></div>

--14dae9d2fb34e7a80c04f32a094f--


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Subject: [mpls] I-D Action: draft-ietf-mpls-pim-sm-over-mldp-00.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : Carrying PIM-SM in ASM mode Trees over P2MP mLDP LSPs
        Authors         : Yakov Rekhter
                          Rahul Aggarwal
                          Nicolai Leymann
                          Wim Henderickx
                          Quintin Zhao
                          Richard Li
	Filename        : draft-ietf-mpls-pim-sm-over-mldp-00.txt
	Pages           : 12
	Date            : 2014-03-02

Abstract:
   When IP multicast trees created by PIM-SM in Any Source Multicast
   (ASM) mode need to pass through an MPLS domain, it may be desirable
   to map such trees to Point-to-Multipoint Label Switched Paths. This
   document describes how to accomplish this in the case where such
   Point-to-Multipoint Label Switched Paths are established using mLDP.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-pim-sm-over-mldp/

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http://tools.ietf.org/html/draft-ietf-mpls-pim-sm-over-mldp-00


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From nobody Mon Mar  3 06:43:53 2014
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From: "Aissaoui, Mustapha (Mustapha)" <mustapha.aissaoui@alcatel-lucent.com>
To: "mpls@ietf.org" <mpls@ietf.org>
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Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Sorry but I needed a little bit of clarification to my comment #7. It shoul=
d read as follows:

"
7. Section 3.3.2 - L3VPN
Section 3.2.1.1 *of RFC 4659* "BGP Speaker Requesting IPv6 Transport" does =
actually specifies a 128-bit BGP next-hop. No?
"

Regards,
Mustapha.
-----Original Message-----
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Aissaoui, Mustapha (=
Mustapha)
Sent: Sunday, March 02, 2014 12:21 PM
To: mpls@ietf.org
Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt

Dear all,
I read this document and I can say that it is useful for identifying gaps i=
n MPLS related standards for interoperable deployment of IPv6 control plane=
 and data plane in operators networks. It should be progressed as a working=
 group document.

I compiled a list of comments below.

Regards,
Mustapha.
------------------------------
1. Section 2 - Use Case
A common use case I have seen is that of a wireless operator that moved its=
 4G/LTE subscribers into IPv6 but their management and backend infrastructu=
re is still IPv4. In many of these networks, it is it is the management and=
 OAM traffic which needs to be carried in a MPLS VPN in order to separate i=
t from the subscriber traffic. The latter is IPv6 routed in most use cases =
I know of. As the number of devices (specifically cell site routers) to man=
age increases, the operator is compelled to move to IPv6.

2. Section 3 - Gap Analysis
The reference to RSVP-TE spec is no correct. I assume the authors meant RFC=
 3209.

3. Section 3.1 - MPLS Data Plane
In the case where an IPv4 prefix is resolved over an IPv6 LSP, there may be=
 a need to push the IPv4 explicit null label value first before pushing the=
 IPv6 label. The reason for this is if the egress LSR advertised the IPv6 e=
xplicit null label for the outer IPv6 LSP, it may drop the packet if it is =
not an IPv6 one. =20

4. Section 3.2.1 - LDP
While reviewing draft-ietf-mpls-ldp-ipv6 on the MPLS WG mailing list, there=
 were a couple of comments which were made by a number of operators and whi=
ch I consider as gaps in LDP IPv6:
a. the need for extending LDP to use a 128-bit LSR-ID. The idea was to allo=
w for using an IPv6 loopback to identify the LSR. In many cases, the LSR ID=
 matches a routable address in the operator's network.
We wrote the following draft to address this (needs a refresh):
http://tools.ietf.org/html/draft-pdutta-mpls-ldp-v2-00
b. the need to support separate IPv6 and IPv4 LDP sessions when LSR peers o=
ver a dual-stack interface. We wrote the following draft to achieve this:
http://tools.ietf.org/html/draft-pdutta-mpls-multi-ldp-instance-00
=20
5. Section 3.2.2 - Multipoint LDP
RFC 6388 provides a single session level LDP capability for mLDP P2MP and M=
P2MP FECs. There is no distinction between IPv4 and IPv6. We need to add a =
separate capability for IPv6 for each type.

6. Section 3.3.1 - L2VPN
We need to add a reference to RFC 6073 which defined the LDP SP-PE TLV and =
which already supports IPv4 and IPV6 addresses of the S-PE nodes.
We also need a reference to draft-ietf-pwe3-dynamic-ms-pw-20 for dynamic MS=
-PW. I checked it and it seems the discovery part which is consistent with =
RFC 4760 supports IPv6 PE address.

7. Section 3.3.2 - L3VPN
Section 3.2.1.1 "BGP Speaker Requesting IPv6 Transport" does actually speci=
fies a 128-bit BGP next-hop. No?

8. Section 3.4.2 - LSP Ping
I do not understand the issue described in the case of LSP trace. Why would=
 the ingress LSR send an IPv4 echo request message? The LSP is signaled wit=
h IPv6 control plane and its target FEC stack TLV is IPv6 (LDP, RSVP, or BG=
P LSP), the MPLS echo request and reply packets must be IPv6.=20

9. Section 3.4.4 - PW OAM
I think the reference to RFC 6829 which defined the FEC 128 and FEC 129 tar=
get FEC Stack TLVs in a IPv6 environment should be added here instead of Se=
ction 3.4.2.
---------------------------------------------------------------------------=
---------------

_______________________________________________
mpls mailing list
mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar  3 07:42:00 2014
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : mLDP In-Band Signaling with Wildcards
        Authors         : IJsbrand Wijnands
                          Eric Rosen
                          Arkadiy Gulko
                          Uwe Joorde
                          Jeff Tantsura
	Filename        : draft-ietf-mpls-mldp-in-band-wildcard-encoding-00.txt
	Pages           : 14
	Date            : 2014-03-03

Abstract:
   There are scenarios in which an IP multicast tree traverses an MPLS
   domain.  In these scenarios, it can be desirable to convert the IP
   multicast tree "seamlessly" to an MPLS multipoint label switched path
   (MP-LSP) when it enters the MPLS domain, and then to convert it back
   to an IP multicast tree when it exists the MPLS domain.  Previous
   documents specify procedures that allow certain kinds of IP multicast
   trees (either "Source-Specific Multicast" trees or "Bidirectional
   multicast" trees) to be attached to an MPLS multipoint label switched
   path (MP-LSP), either in the context of a particular VPN or in a
   "global" (non-VPN) context.  However, the previous documents do not
   specify procedures for attaching IP "Any Source Multicast" trees to
   MP-LSPs, nor do they specify procedures "aggregating" multiple IP
   multicast trees onto a single MP-LSP.  This document specifies the
   procedures to support these functions.  It does so by defining
   "wildcard" encodings making it possible to specify, when setting up
   an MP-LSP, that a set of IP multicast trees or a shared IP multicast
   tree should be attached to that MP-LSP.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-mldp-in-band-wildcard-encoding/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-mldp-in-band-wildcard-encoding-00


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Mon Mar  3 08:27:06 2014
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : mLDP In-Band Signaling with Wildcards
        Authors         : IJsbrand Wijnands
                          Eric Rosen
                          Arkadiy Gulko
                          Uwe Joorde
                          Jeff Tantsura
	Filename        : draft-ietf-mpls-mldp-in-band-wildcard-encoding-01.txt
	Pages           : 16
	Date            : 2014-03-03

Abstract:
   There are scenarios in which an IP multicast tree traverses an MPLS
   domain.  In these scenarios, it can be desirable to convert the IP
   multicast tree "seamlessly" to an MPLS multipoint label switched path
   (MP-LSP) when it enters the MPLS domain, and then to convert it back
   to an IP multicast tree when it exits the MPLS domain.  Previous
   documents specify procedures that allow certain kinds of IP multicast
   trees (either "Source-Specific Multicast" trees or "Bidirectional
   Multicast" trees) to be attached to an MPLS Multipoint Label Switched
   Path (MP-LSP).  However, the previous documents do not specify
   procedures for attaching IP "Any Source Multicast" trees to MP-LSPs,
   nor do they specify procedures for aggregating multiple IP multicast
   trees onto a single MP-LSP.  This document specifies the procedures
   to support these functions.  It does so by defining "wildcard"
   encodings that make it possible to specify, when setting up an MP-
   LSP, that a set of IP multicast trees, or a shared IP multicast tree,
   should be attached to that MP-LSP.  Support for non-bidirectional IP
   "Any Source Multicast" trees is subject to certain applicability
   restrictions that are discussed in this document.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-mldp-in-band-wildcard-encoding/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-mldp-in-band-wildcard-encoding-01

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-mldp-in-band-wildcard-encoding-01


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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URL: http://datatracker.ietf.org/wg/mpls/charter/


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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : MPLS Forwarding Compliance and Performance Requirements
        Authors         : Curtis Villamizar
                          Kireeti Kompella
                          Shane Amante
                          Andrew Malis
                          Carlos Pignataro
	Filename        : draft-ietf-mpls-forwarding-09.txt
	Pages           : 59
	Date            : 2014-03-04

Abstract:
   This document provides guidelines for implementers regarding MPLS
   forwarding and a basis for evaluations of forwarding implementations.
   Guidelines cover many aspects of MPLS forwarding.  Topics are
   highlighted where implementers might otherwise overlook practical
   requirements which are unstated or under emphasized or are optional
   for conformance to RFCs but are often considered mandatory by
   providers.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-forwarding/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-forwarding-09

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-forwarding-09


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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Changed milestone "Submit
draft-ietf-mpls-mldp-in-band-wildcard-encoding for publication", set
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URL: http://datatracker.ietf.org/wg/mpls/charter/


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From: Kireeti Kompella <kireeti@juniper.net>
To: Loa Andersson <loa@pi.nu>
Thread-Topic: [mpls] IPR poll on draft-ietf-mpls-forwarding
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References: <52D77069.2050405@pi.nu> <CAA=duU0xd_F0NHgk-HF-p02EGC=ZWSOdzA3XLuiNsUBkbLVsEg@mail.gmail.com> <52D81D81.4010708@pi.nu>
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Cc: Kireeti Kompella <kireeti@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>, "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, mpls-forwarding co-authors <draft-ietf-mpls-forwarding@tools.ietf.org>
Subject: Re: [mpls] IPR poll on draft-ietf-mpls-forwarding
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I am not aware of any IPR related to this document.

Kireeti.

On Jan 16, 2014, at 17:57 , Loa Andersson <loa@pi.nu> wrote:

> Andy,
>=20
> Thanks - I suspect that you and everyone have spotted the copy and
> paste error in this IPR poll.
>=20
> I claim that there are three IPR disclosures against this document.
> This is not right - there are no disclosures against this document.
>=20
> /Loa
>=20
> On 2014-01-16 23:14, Andrew G. Malis wrote:
>> Loa,
>>=20
>> I am not aware of any non-disclosed IPR with regards to this draft.
>>=20
>> Cheers,
>> Andy
>>=20
>> On Thu, Jan 16, 2014 at 12:38 AM, Loa Andersson <loa@pi.nu> wrote:
>>> Working Group,
>>>=20
>>> we have just requested publication of draft-ietf-mpls-forwarding-04.
>>>=20
>>> Since the IPR poll on the individual document is fairly recent, we will
>>> do the final poll in parallel to the initial steps of post publication
>>> request steps.
>>>=20
>>> This mail starts that IPR poll.
>>>=20
>>> Are you aware of any IPR that applies to draft-ietf-mpls-forwarding?
>>>=20
>>> If so, has this IPR been disclosed in compliance with IETF IPR rules
>>> (see RFCs 3979, 4879, 3669 and 5378 for more details).
>>>=20
>>> Currently there are three IPR disclosures that relates to this document=
.
>>>=20
>>> If you are listed as a document author or contributor please respond to
>>> this email regardless of whether or not you are aware of any relevant
>>> IPR. *The response needs to be sent to the MPLS wg mailing list.* The
>>> document will not advance to the next stage until a response has been
>>> received from each author and contributor.
>>>=20
>>> If you are on the MPLS WG email list but are not listed as an author or
>>> contributor, then please explicitly respond only if you are aware of an=
y
>>> IPR that has not yet been disclosed in conformance with IETF rules.
>>>=20
>>> Thanks, Loa
>>> (as MPLS WG co-chair)
>>> --
>>>=20
>>>=20
>>> Loa Andersson                        email: loa@mail01.huawei.com
>>> Senior MPLS Expert                          loa@pi.nu
>>> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>>> _______________________________________________
>>> mpls mailing list
>>> mpls@ietf.org
>>> https://www.ietf.org/mailman/listinfo/mpls
>=20
> --=20
>=20
>=20
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>=20
>=20



From nobody Tue Mar  4 06:19:09 2014
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From: "Lizhong Jin" <lizho.jin@gmail.com>
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Date: Tue, 4 Mar 2014 22:18:51 +0800
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ÕâÊÇÒ»·â MIME ¸ñÊ½µÄ¶à²¿·ÖÓÊ¼þ¡£

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Hi Kireeti,

Thank you for the presentation. I have one question of the MPLS in DC. =
That is the middle box, e.g., firewall or DPI device. The packet with =
MPLS label, especially with two labels, could not be correctly parsed by =
the middle box. What=E2=80=99s your solution to the middle box where =
packet inspection is required. Move all the middle box function to host?

=20

Regards

Lizhong


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<div class=3DSection1>

<p class=3DMsoNormal>Hi Kireeti,<o:p></o:p></p>

<p class=3DMsoNormal>Thank you for the presentation. I have one question =
of the
MPLS in DC. That is the middle box, e.g., firewall or DPI device. The =
packet
with MPLS label, especially with two labels, could not be correctly =
parsed by
the middle box. What=E2=80=99s your solution to the middle box where =
packet inspection
is required. Move all the middle box function to host?<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Regards<o:p></o:p></p>

<p class=3DMsoNormal>Lizhong<o:p></o:p></p>

</div>

</body>

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Subject: [mpls] Document Action: 'MPLS Forwarding Compliance and Performance Requirements' to Informational RFC (draft-ietf-mpls-forwarding-09.txt)
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The IESG has approved the following document:
- 'MPLS Forwarding Compliance and Performance Requirements'
  (draft-ietf-mpls-forwarding-09.txt) as Informational RFC

This document is the product of the Multiprotocol Label Switching Working
Group.

The IESG contact persons are Adrian Farrel and Stewart Bryant.

A URL of this Internet Draft is:
http://datatracker.ietf.org/doc/draft-ietf-mpls-forwarding/




Technical Summary

      This document provides guidelines for implementers regarding MPLS
      forwarding and a basis for evaluations of forwarding implementations.
      Guidelines cover many aspects of MPLS forwarding.  Topics are
      highlighted where implementers might otherwise overlook practical
      requirements which are unstated or under emphasized or are optional
      for conformance to RFCs but are often considered mandatory by
      providers.

Working Group Summary

      This document has been discussed by the working group both on the
      mailing list and at a long slot at the working meeting in Vancouver.

      The working group is behind this document, there has been no mayor
      controversies and very good discussions.

Document Quality

      The question about implementations is a bit tricky - there are no
      implementations based on the document, as there were existing 
      implementations when the document was started up. Instead it is the 
      other  way around, the document discusses implementation and 
      deployment experiences. All the scenarios discussed in the document
      have been implemented and/or deployed.

      The document is Informational and no MIB Doctor, Media type or other
      other types of expert reviews have been necessary.
       
Personnel

      Loa Andersson, is the document Shepherd.
      Adrian Farrel is the Responsible AD


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From: Xufeng Liu <XLiu@advaoptical.com>
To: Ross Callon <rcallon@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] Poll for Adoption draft-chen-mpls-p2mp-ingress-protection-11
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References: <mailman.4499.1392816598.2637.mpls@ietf.org> <11208E03C9803E4CB4C3D898F153D6C03071E403@SJCEML701-CHM.china.huawei.com> <2691CE0099834E4A9C5044EEC662BB9D45346FA5@dfweml702-chm.china.huawei.com> <E4F89EAEF1386F42AA8E6FB5C35399A61C0DADFB@eusaamb103.ericsson.se>
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Support .

Xu feng
On Feb 18, 2014, at 5:08, Ross Callon <rcallon@juniper.net> wrote:

> This is to start a poll on adopting
> draft-chen-mpls-p2mp-ingress-protection-11
> as an MPLS working group document. Since this call will continue=20
> through the IETF meeting in London, I will extent the poll by one week=20
> (so that it will be a three week poll).
> =20
> Please send your comments (support/not support) to the mpls working=20
> group mailing list (mpls@ietf.org).
> =20
> This poll will end Tuesday March 11, 2014. This is of course the=20
> Tuesday after the IETF.
> =20
> Thanks, Ross
> =20
> =20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
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**

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From nobody Tue Mar  4 11:51:18 2014
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To: Lizhong Jin <lizho.jin@gmail.com>, kireeti@juniper.net
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Subject: Re: [mpls] Continue discussion of draft-kompella-larp-00
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Lizhong,

We decided to continue the discussion on the larp draft when
we re-convene on Thursday.

Kireeti,

I understand that there will be some corridor and  mailing-list
discussion in the mean time, can you do a 1 min re-cap of this
off-line discussion.

Can you also prepare some comments on the proposal to do label
distribution by means of carrier pigeons?

/Loa

On 2014-03-04 14:18, Lizhong Jin wrote:
> Hi Kireeti,
>
> Thank you for the presentation. I have one question of the MPLS in DC.
> That is the middle box, e.g., firewall or DPI device. The packet with
> MPLS label, especially with two labels, could not be correctly parsed by
> the middle box. What’s your solution to the middle box where packet
> inspection is required. Move all the middle box function to host?
>
> Regards
>
> Lizhong
>
>
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Tue Mar  4 11:57:24 2014
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From: Jafar Akhbarizadeh <jakhbari@broadcom.com>
To: "bashandy@cisco.com" <bashandy@cisco.com>, "sprevidi@cisco.com" <sprevidi@cisco.com>
Thread-Topic: Segment routing to an external adjacency in MPLS (draft-filsfils-spring-segment-routing-mpls-00 )
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Subject: Re: [mpls] Segment routing to an external adjacency in MPLS (draft-filsfils-spring-segment-routing-mpls-00 )
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--_000_989D91233FC2054788E9B31E8CC20DAEED466ESJEXCHMB14corpadb_
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Hi,


I would highly appreciate some response to my question as we are in the pro=
cess of adding segment-routing to our design.

Thanks,
Jafar Akhbari

Infrastructure and Networking / XGS
Broadcom Corporation

From: Jafar Akhbarizadeh
Sent: Thursday, February 27, 2014 6:18 PM
To: 'bashandy@cisco.com'; 'sprevidi@cisco.com'
Cc: Shahram Davari; 'mpls@ietf.org'
Subject: Segment routing to an external adjacency in MPLS (draft-filsfils-s=
pring-segment-routing-mpls-00 )

Hello Ahmad and Stefano,

Section x in SR architecture draft (draft-filsfils-rtgwg-segment-routing-01=
) talks about allocating ADJ-SID to an external link across two AS's.
A use case is described for this case in section 4.1.3 of draft-filsfils-rt=
gwg-segment-routing-use-cases.
However, it is not clear how this 'external peering' should be implemented =
in MPLS. Should the SR label representing  the remote adjacency be swapped?=
 What about the labels underneath it?
What assumptions must be made regarding MPLS support across the two AS's?
I believe a section needs to be added to segment-routing-mpls draft to addr=
ess external peering.

Thanks,
Jafar Akhbari

Infrastructure and Networking / XGS
Broadcom Corporation


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<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Hi,<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">I would highly appreci=
ate some response to my question as we are in the process of adding segment=
-routing to our design.
<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Thanks,<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Jafar Akhbari<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:9.0pt;color:#1F497D">Inf=
rastructure and Networking / XGS<o:p></o:p></span></b></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:9.0pt;color:#1F497D">Bro=
adcom Corporation<o:p></o:p></span></b></p>
</div>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Jafar Ak=
hbarizadeh
<br>
<b>Sent:</b> Thursday, February 27, 2014 6:18 PM<br>
<b>To:</b> 'bashandy@cisco.com'; 'sprevidi@cisco.com'<br>
<b>Cc:</b> Shahram Davari; 'mpls@ietf.org'<br>
<b>Subject:</b> Segment routing to an external adjacency in MPLS (draft-fil=
sfils-spring-segment-routing-mpls-00 )<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Hello Ahmad and Stefano,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Section x in SR architecture draft (draft-filsfils-r=
tgwg-segment-routing-01) talks about allocating ADJ-SID to an external link=
 across two AS&#8217;s.<o:p></o:p></p>
<p class=3D"MsoNormal">A use case is described for this case in section 4.1=
.3 of draft-filsfils-rtgwg-segment-routing-use-cases.<o:p></o:p></p>
<p class=3D"MsoNormal">However, it is not clear how this &#8216;external pe=
ering&#8217; should be implemented in MPLS. Should the SR label representin=
g&nbsp; the remote adjacency be swapped? What about the labels underneath i=
t?<o:p></o:p></p>
<p class=3D"MsoNormal">What assumptions must be made regarding MPLS support=
 across the two AS&#8217;s?<o:p></o:p></p>
<p class=3D"MsoNormal">I believe a section needs to be added to segment-rou=
ting-mpls draft to address external peering.
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
<p class=3D"MsoNormal">Jafar Akhbari<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:9.0pt">Infrastructure an=
d Networking / XGS<o:p></o:p></span></b></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:9.0pt">Broadcom Corporat=
ion<o:p></o:p></span></b></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</body>
</html>

--_000_989D91233FC2054788E9B31E8CC20DAEED466ESJEXCHMB14corpadb_--


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From: "Stefano Previdi (sprevidi)" <sprevidi@cisco.com>
To: Jafar Akhbarizadeh <jakhbari@broadcom.com>
Thread-Topic: Segment routing to an external adjacency in MPLS (draft-filsfils-spring-segment-routing-mpls-00 )
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Subject: Re: [mpls] Segment routing to an external adjacency in MPLS (draft-filsfils-spring-segment-routing-mpls-00 )
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Hi Jafar,

originally, the idea was to advertise external links into the IP=20
(with a SID) so to transport the packet up to that external link=20
and release it to the peer (by popping the adj-SID label=20
corresponding to the link).

However, there are missing details and after re-reading this=20
section I think it requires more work and more details need to=20
be described especially in terms of label processing and=20
assumptions so we will need to update that section.

Thanks.
s.



On Mar 4, 2014, at 8:57 PM, Jafar Akhbarizadeh wrote:
> Hi,
> =20
> =20
> I would highly appreciate some response to my question as we are in the p=
rocess of adding segment-routing to our design.
> =20
> Thanks,
> Jafar Akhbari
> =20
> Infrastructure and Networking / XGS
> Broadcom Corporation
> =20
> From: Jafar Akhbarizadeh=20
> Sent: Thursday, February 27, 2014 6:18 PM
> To: 'bashandy@cisco.com'; 'sprevidi@cisco.com'
> Cc: Shahram Davari; 'mpls@ietf.org'
> Subject: Segment routing to an external adjacency in MPLS (draft-filsfils=
-spring-segment-routing-mpls-00 )
> =20
> Hello Ahmad and Stefano,
> =20
> Section x in SR architecture draft (draft-filsfils-rtgwg-segment-routing-=
01) talks about allocating ADJ-SID to an external link across two AS=92s.
> A use case is described for this case in section 4.1.3 of draft-filsfils-=
rtgwg-segment-routing-use-cases.
> However, it is not clear how this =91external peering=92 should be implem=
ented in MPLS. Should the SR label representing  the remote adjacency be sw=
apped? What about the labels underneath it?
> What assumptions must be made regarding MPLS support across the two AS=92=
s?
> I believe a section needs to be added to segment-routing-mpls draft to ad=
dress external peering.
> =20
> Thanks,
> Jafar Akhbari
> =20
> Infrastructure and Networking / XGS
> Broadcom Corporation
> =20


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From: Eric Osborne <eric@notcom.com>
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One tweak.  I had proposed

"If a node
   advertises both AG and EAG then the first 32 bits of the EAG MUST be
   identical to the advertised AG.  If a receiving node notices that
the AG differs from the first 32 bits of the EAG, it SHOULD use the AG
as the first 32 bits of the EAG, and MUST indicate this mismatch to
the operator."

but having SHOULD/MUST doesn't make sense.  I'm about to post -03 (or
will post when it's allowed again), which instead has SHOULD/SHOULD:

"If a node advertises both AG and EAG then the first 32 bits of the
EAG MUST be identical to the advertised AG. If a receiving node
notices that the AG differs from the first 32 bits of the EAG, it
SHOULD use the AG as the first 32 bits of the EAG, and SHOULD indicate
this mismatch to the operator."

All other comments have been accepted as per earlier discussion



eric


On Thu, Feb 6, 2014 at 2:06 PM, Eric Osborne <eric.osborne@notcom.com> wrote:
> Hi Andy-
>
>   So the concern is around how to handle the case where AG doesn't
> match the first 32 bits of EAG.  The current text in 2.3.1 says:
>
>
> "If a node
>    advertises both AG and EAG then the first 32 bits of the EAG MUST be
>    identical to the advertised AG.  If the AG and EAG advertised for a
>    link differ, the EAG MUST take priority."
>
> I think I can fix this by changing the second sentence to:
>
> "If a node
>    advertises both AG and EAG then the first 32 bits of the EAG MUST be
>    identical to the advertised AG.  If a receiving node notices that
> the AG differs from the first 32 bits of the EAG, it SHOULD use the AG
> as the first 32 bits of the EAG, and MUST indicate this mismatch to
> the operator."
>
> I very deliberately used 'SHOULD' because there is at least one
> implementation already in production with the current logic and I
> don't want to obsolete it to cover a corner case that's already
> illegal and clearly a bug.
>
> Does that work?
> Tarek, does that break anything in what's shipping?
>
>
>
>
> eric
>
> On Thu, Feb 6, 2014 at 1:06 PM, Andrew G. Malis <agmalis@gmail.com> wrote:
>> Tarek,
>>
>> Imagine that you have a network that has been using AG and is
>> transitioning to EAG. Since not all routers can be updated
>> simultaneously, there will be a period where some will support both AG
>> and EAG and others will only support AG. As long as AG and the first
>> word of EAG are consistent, everything works well. But if a
>> provisioning or software bug leads to the case where the two are
>> inconsistent, option (2) will operate better than option (3), since
>> with option (2), both old and new routers will be using a consistent
>> set of bits 0-31.
>>
>> Cheers,
>> Andy
>>
>>
>> On Thu, Feb 6, 2014 at 12:49 PM, Tarek Saad (tsaad) <tsaad@cisco.com> wrote:
>>> In case of inconsistency, see 3 options:
>>> 1. use AG and discard EAG, i.e. ignore subsequent bits in (EAG)
>>> 2. use AG for first word and subsequent bits from EAG bits
>>> 3. use EAG and discard AG
>>>
>>> The way the draft puts it is EAG is a "superset" of AG.
>>>
>>> I'm in favour of 3) when router speaks/understands EAG. Just as it is true
>>> that for routers that speak/understand only AG, they'd use AG.
>>> Note, my understanding is AG at sometime will become obsolete and
>>> eventually most (if not all) routers will be speaking EAG.
>>>
>>>
>>> Regards,
>>> Tarek
>>>
>>> On 2014-02-06 12:18 PM, "Andrew G. Malis" <agmalis@gmail.com> wrote:
>>>
>>>>Tarek,
>>>>
>>>>In my earlier review, I argued the opposite for section 2.3.1, that AG
>>>>MUST take priority over EAG for backwards compatibility. See my email
>>>>for my reasoning.
>>>>
>>>>Cheers,
>>>>Andy
>>>>
>>>>On Thu, Feb 6, 2014 at 11:35 AM, Tarek Saad (tsaad) <tsaad@cisco.com>
>>>>wrote:
>>>>> Hi,
>>>>>
>>>>> This document looks good, and addresses a real limitation with existing
>>>>> AGs. I think it is ready for publication. Few comments:
>>>>> - section 2.3.1: prefer rewording to explicitly spell the behaviour on a
>>>>> receiving node that supports EAG.. example, "... EAG MUST take priority
>>>>>on
>>>>> a receiving node that supports it."
>>>>>
>>>>>
>>>>> minor edit comments:
>>>>> - section 1, might want to define LSA, MTU before use
>>>>> - section 2.3.2 equally applicable to AG too; maybe re-title as "Desire
>>>>> for unadvertised bits for AG/EAG"?
>>>>> - typo in Section 2.3.2, "... assumption is than" -> "assumption is
>>>>>that"
>>>>>
>>>>> Regards,
>>>>>
>>>>> Tarek
>>>>>
>>>>> On 2014-02-04 12:54 AM, "Loa Andersson" <loa@pi.nu> wrote:
>>>>>
>>>>>>Working Group,
>>>>>>
>>>>>>This is to initiate a working group last call on
>>>>>>draft-ietf-mpls-extended-admin-group-02.
>>>>>>
>>>>>>There are no IPR disclosures against this document. The author has
>>>>>>stated that he is unaware of any IPRs that relate to this document.
>>>>>>
>>>>>>Please send your comments to the mpls wg mailing list (mpls@ietf.org).
>>>>>>
>>>>>>This working group last call ends Feb 18, 2014.
>>>>>>
>>>>>>/Loa
>>>>>>for the MPLS wg chairs
>>>>>>--
>>>>>>
>>>>>>
>>>>>>Loa Andersson                        email: loa@mail01.huawei.com
>>>>>>Senior MPLS Expert                          loa@pi.nu
>>>>>>Huawei Technologies (consultant)     phone: +46 739 81 21 64
>>>>>>_______________________________________________
>>>>>>mpls mailing list
>>>>>>mpls@ietf.org
>>>>>>https://www.ietf.org/mailman/listinfo/mpls
>>>>>
>>>>> _______________________________________________
>>>>> mpls mailing list
>>>>> mpls@ietf.org
>>>>> https://www.ietf.org/mailman/listinfo/mpls
>>>
>> _______________________________________________
>> mpls mailing list
>> mpls@ietf.org
>> https://www.ietf.org/mailman/listinfo/mpls


From nobody Wed Mar  5 08:07:49 2014
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : Updates to MPLS Transport Profile Linear Protection
        Author          : Eric Osborne
	Filename        : draft-ietf-mpls-psc-updates-02.txt
	Pages           : 8
	Date            : 2014-03-05

Abstract:
   This document contains four updates to the Protection State
   Coordination (PSC) logic defined in RFC6378, "MPLS Transport Profile
   (MPLS-TP) Linear Protection" . Two of the updates correct existing
   behavior.  The third clarifies a behavior which was not explained in
   the RFC, and the fourth adds rules around handling capabilities
   mismatches.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-psc-updates-02

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-psc-updates-02


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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From: "Tarek Saad (tsaad)" <tsaad@cisco.com>
To: Eric Osborne <eric@notcom.com>, Eric Osborne <eric.osborne@notcom.com>
Thread-Topic: [mpls] working group last call for draft-ietf-mpls-extended-admin-group
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Thanks Eric, that sounds good.

Regards,
Tarek

On 2014-03-05 10:54 AM, "Eric Osborne" <eric@notcom.com> wrote:

>One tweak.  I had proposed
>
>"If a node
>   advertises both AG and EAG then the first 32 bits of the EAG MUST be
>   identical to the advertised AG.  If a receiving node notices that
>the AG differs from the first 32 bits of the EAG, it SHOULD use the AG
>as the first 32 bits of the EAG, and MUST indicate this mismatch to
>the operator."
>
>but having SHOULD/MUST doesn't make sense.  I'm about to post -03 (or
>will post when it's allowed again), which instead has SHOULD/SHOULD:
>
>"If a node advertises both AG and EAG then the first 32 bits of the
>EAG MUST be identical to the advertised AG. If a receiving node
>notices that the AG differs from the first 32 bits of the EAG, it
>SHOULD use the AG as the first 32 bits of the EAG, and SHOULD indicate
>this mismatch to the operator."
>
>All other comments have been accepted as per earlier discussion
>
>
>
>eric
>
>
>On Thu, Feb 6, 2014 at 2:06 PM, Eric Osborne <eric.osborne@notcom.com>
>wrote:
>> Hi Andy-
>>
>>   So the concern is around how to handle the case where AG doesn't
>> match the first 32 bits of EAG.  The current text in 2.3.1 says:
>>
>>
>> "If a node
>>    advertises both AG and EAG then the first 32 bits of the EAG MUST be
>>    identical to the advertised AG.  If the AG and EAG advertised for a
>>    link differ, the EAG MUST take priority."
>>
>> I think I can fix this by changing the second sentence to:
>>
>> "If a node
>>    advertises both AG and EAG then the first 32 bits of the EAG MUST be
>>    identical to the advertised AG.  If a receiving node notices that
>> the AG differs from the first 32 bits of the EAG, it SHOULD use the AG
>> as the first 32 bits of the EAG, and MUST indicate this mismatch to
>> the operator."
>>
>> I very deliberately used 'SHOULD' because there is at least one
>> implementation already in production with the current logic and I
>> don't want to obsolete it to cover a corner case that's already
>> illegal and clearly a bug.
>>
>> Does that work?
>> Tarek, does that break anything in what's shipping?
>>
>>
>>
>>
>> eric
>>
>> On Thu, Feb 6, 2014 at 1:06 PM, Andrew G. Malis <agmalis@gmail.com>
>>wrote:
>>> Tarek,
>>>
>>> Imagine that you have a network that has been using AG and is
>>> transitioning to EAG. Since not all routers can be updated
>>> simultaneously, there will be a period where some will support both AG
>>> and EAG and others will only support AG. As long as AG and the first
>>> word of EAG are consistent, everything works well. But if a
>>> provisioning or software bug leads to the case where the two are
>>> inconsistent, option (2) will operate better than option (3), since
>>> with option (2), both old and new routers will be using a consistent
>>> set of bits 0-31.
>>>
>>> Cheers,
>>> Andy
>>>
>>>
>>> On Thu, Feb 6, 2014 at 12:49 PM, Tarek Saad (tsaad) <tsaad@cisco.com>
>>>wrote:
>>>> In case of inconsistency, see 3 options:
>>>> 1. use AG and discard EAG, i.e. ignore subsequent bits in (EAG)
>>>> 2. use AG for first word and subsequent bits from EAG bits
>>>> 3. use EAG and discard AG
>>>>
>>>> The way the draft puts it is EAG is a "superset" of AG.
>>>>
>>>> I'm in favour of 3) when router speaks/understands EAG. Just as it is
>>>>true
>>>> that for routers that speak/understand only AG, they'd use AG.
>>>> Note, my understanding is AG at sometime will become obsolete and
>>>> eventually most (if not all) routers will be speaking EAG.
>>>>
>>>>
>>>> Regards,
>>>> Tarek
>>>>
>>>> On 2014-02-06 12:18 PM, "Andrew G. Malis" <agmalis@gmail.com> wrote:
>>>>
>>>>>Tarek,
>>>>>
>>>>>In my earlier review, I argued the opposite for section 2.3.1, that AG
>>>>>MUST take priority over EAG for backwards compatibility. See my email
>>>>>for my reasoning.
>>>>>
>>>>>Cheers,
>>>>>Andy
>>>>>
>>>>>On Thu, Feb 6, 2014 at 11:35 AM, Tarek Saad (tsaad) <tsaad@cisco.com>
>>>>>wrote:
>>>>>> Hi,
>>>>>>
>>>>>> This document looks good, and addresses a real limitation with
>>>>>>existing
>>>>>> AGs. I think it is ready for publication. Few comments:
>>>>>> - section 2.3.1: prefer rewording to explicitly spell the behaviour
>>>>>>on a
>>>>>> receiving node that supports EAG.. example, "... EAG MUST take
>>>>>>priority
>>>>>>on
>>>>>> a receiving node that supports it."
>>>>>>
>>>>>>
>>>>>> minor edit comments:
>>>>>> - section 1, might want to define LSA, MTU before use
>>>>>> - section 2.3.2 equally applicable to AG too; maybe re-title as
>>>>>>"Desire
>>>>>> for unadvertised bits for AG/EAG"?
>>>>>> - typo in Section 2.3.2, "... assumption is than" -> "assumption is
>>>>>>that"
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Tarek
>>>>>>
>>>>>> On 2014-02-04 12:54 AM, "Loa Andersson" <loa@pi.nu> wrote:
>>>>>>
>>>>>>>Working Group,
>>>>>>>
>>>>>>>This is to initiate a working group last call on
>>>>>>>draft-ietf-mpls-extended-admin-group-02.
>>>>>>>
>>>>>>>There are no IPR disclosures against this document. The author has
>>>>>>>stated that he is unaware of any IPRs that relate to this document.
>>>>>>>
>>>>>>>Please send your comments to the mpls wg mailing list
>>>>>>>(mpls@ietf.org).
>>>>>>>
>>>>>>>This working group last call ends Feb 18, 2014.
>>>>>>>
>>>>>>>/Loa
>>>>>>>for the MPLS wg chairs
>>>>>>>--
>>>>>>>
>>>>>>>
>>>>>>>Loa Andersson                        email: loa@mail01.huawei.com
>>>>>>>Senior MPLS Expert                          loa@pi.nu
>>>>>>>Huawei Technologies (consultant)     phone: +46 739 81 21 64
>>>>>>>_______________________________________________
>>>>>>>mpls mailing list
>>>>>>>mpls@ietf.org
>>>>>>>https://www.ietf.org/mailman/listinfo/mpls
>>>>>>
>>>>>> _______________________________________________
>>>>>> mpls mailing list
>>>>>> mpls@ietf.org
>>>>>> https://www.ietf.org/mailman/listinfo/mpls
>>>>
>>> _______________________________________________
>>> mpls mailing list
>>> mpls@ietf.org
>>> https://www.ietf.org/mailman/listinfo/mpls


From nobody Thu Mar  6 01:11:16 2014
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From: Stewart Bryant <stbryant@cisco.com>
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Subject: [mpls] Comments on draft-kompella-larp
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Kireeti,

This is an interesting problem and we are pleased that you
have brought discussion of this topic to the IETF MPLS WG.
The proposal on the table however is a point solution and
it may be worth considering the wider problem of host
to network  MPLS interfaces (UNIs).

In particular whilst the majority of traffic is IPv4 today, the
stated policy of the IETF is to recognize the need to deliver IPv6
solutions and thus not to design IPv4 only solutions.

Whilst it is true that everyone does ARP, and ARP can in
principle be extended, the reality of the situation is that
the majority of ARP implementations are optimized IPv4
specific, and thus in most cases extending ARP would
require a similar effort to deploying a new IPv4/IPv6 agnostic
protocol for the UNI.

Given that Ethernet, whilst the most popular server network
interface, is not the exclusive interface and recognizing
that new link types may emerge, particularly in the IOT space,
it may serve us better to take an approach that is
MPLS specific but data-link neutral.

A further consideration is that whilst it may be possible to
extend ARP for other address families, it is not a protocol
that is well suited to the transport of other necessary
UNI information, for example, metrics, QOS information,
MTU, authentication, integrity, spectral information etc.

An alternative approach that is worth considering as a starting
point is described in draft-ietf-mpls-gach-adv (in the RFC
Editor's queue). When we wrote this draft we were attempting
to define a general UNI approach for MPLS with a focus on
simplicity.

If you are interested in exploring this with us further we
would be pleased to work with you on this.

Dan and Stewart






From nobody Thu Mar  6 01:16:45 2014
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Date: Thu, 06 Mar 2014 09:16:21 +0000
From: Stewart Bryant <stbryant@cisco.com>
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To: Kireeti Kompella <kireeti@juniper.net>
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Resending adding Matthew to the CC list.

On 06/03/2014 09:10, Stewart Bryant wrote:
> Kireeti,
>
> This is an interesting problem and we are pleased that you
> have brought discussion of this topic to the IETF MPLS WG.
> The proposal on the table however is a point solution and
> it may be worth considering the wider problem of host
> to network  MPLS interfaces (UNIs).
>
> In particular whilst the majority of traffic is IPv4 today, the
> stated policy of the IETF is to recognize the need to deliver IPv6
> solutions and thus not to design IPv4 only solutions.
>
> Whilst it is true that everyone does ARP, and ARP can in
> principle be extended, the reality of the situation is that
> the majority of ARP implementations are optimized IPv4
> specific, and thus in most cases extending ARP would
> require a similar effort to deploying a new IPv4/IPv6 agnostic
> protocol for the UNI.
>
> Given that Ethernet, whilst the most popular server network
> interface, is not the exclusive interface and recognizing
> that new link types may emerge, particularly in the IOT space,
> it may serve us better to take an approach that is
> MPLS specific but data-link neutral.
>
> A further consideration is that whilst it may be possible to
> extend ARP for other address families, it is not a protocol
> that is well suited to the transport of other necessary
> UNI information, for example, metrics, QOS information,
> MTU, authentication, integrity, spectral information etc.
>
> An alternative approach that is worth considering as a starting
> point is described in draft-ietf-mpls-gach-adv (in the RFC
> Editor's queue). When we wrote this draft we were attempting
> to define a general UNI approach for MPLS with a focus on
> simplicity.
>
> If you are interested in exploring this with us further we
> would be pleased to work with you on this.
>
> Dan and Stewart
>
>
>
>
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>


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From: Kireeti Kompella <kireeti@juniper.net>
To: "stbryant@cisco.com" <stbryant@cisco.com>
Thread-Topic: Comments on draft-kompella-larp
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Cc: Kireeti Kompella <kireeti@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>, Dan Frost <frost@mm.st>
Subject: Re: [mpls] Comments on draft-kompella-larp
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Hi Stewart,

On Mar 6, 2014, at 09:10 , Stewart Bryant <stbryant@cisco.com> wrote:

> Kireeti,
>=20
> This is an interesting problem and we are pleased that you
> have brought discussion of this topic to the IETF MPLS WG.

Cool.

> The proposal on the table however is a point solution and
> it may be worth considering the wider problem of host
> to network  MPLS interfaces (UNIs).
>=20
> In particular whilst the majority of traffic is IPv4 today, the
> stated policy of the IETF is to recognize the need to deliver IPv6
> solutions and thus not to design IPv4 only solutions.

Got that message; will fix.

> Whilst it is true that everyone does ARP, and ARP can in
> principle be extended, the reality of the situation is that
> the majority of ARP implementations are optimized IPv4
> specific, and thus in most cases extending ARP would
> require a similar effort to deploying a new IPv4/IPv6 agnostic
> protocol for the UNI.

Understood that this will be new code; the actual code isn=92t that much, t=
hough.

> Given that Ethernet, whilst the most popular server network
> interface, is not the exclusive interface and recognizing
> that new link types may emerge, particularly in the IOT space,
> it may serve us better to take an approach that is
> MPLS specific but data-link neutral.

ARP is not Ethernet specific.  We prefer to have different code points for =
MPLS-over-Ethernet, MPLS-over-foo, etc. rather than have TLVs for the link =
layer.

> A further consideration is that whilst it may be possible to
> extend ARP for other address families, it is not a protocol
> that is well suited to the transport of other necessary
> UNI information, for example, metrics, QOS information,
> MTU, authentication, integrity, spectral information etc.

What we are going for is simplicity.  We have metrics and entropy label cap=
ability on deck; but we really don=92t want to add too much more.

> An alternative approach that is worth considering as a starting
> point is described in draft-ietf-mpls-gach-adv (in the RFC
> Editor's queue). When we wrote this draft we were attempting
> to define a general UNI approach for MPLS with a focus on
> simplicity.

I took a quick look.  The immediate question is, can gach-adv be run over n=
ative Ethernet?  I don=92t see a UDP port or IP encoding.  I do see that th=
is can be used over MPLS; but the L-ARP draft is for establishing tunnels w=
hen you have none.  That=92s why I prefer something that runs at the link l=
ayer.

If I missed something, please let me know.

Cheers,
Kireeti.

> If you are interested in exploring this with us further we
> would be pleased to work with you on this.
>=20
> Dan and Stewart
>=20
>=20
>=20
>=20
>=20
>=20
>=20



From nobody Thu Mar  6 05:52:04 2014
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Subject: [mpls] I-D Action: draft-ietf-mpls-extended-admin-group-03.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : Extended Administrative Groups in MPLS-TE
        Author          : Eric Osborne
	Filename        : draft-ietf-mpls-extended-admin-group-03.txt
	Pages           : 6
	Date            : 2014-03-06

Abstract:
   MPLS-TE advertises 32 administrative groups (commonly referred to as
   "colors" or "link colors") using the Administrative Group sub-TLV of
   the Link TLV.  This is defined for OSPFv2 [RFC3630], OSPFv3 [RFC5329]
   and ISIS [RFC5305].

   This document adds a sub-TLV to the IGP TE extensions, "Extended
   Administrative Group".  This sub-TLV provides for additional
   administrative groups (link colors) beyond the current limit of 32.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-extended-admin-group/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-extended-admin-group-03

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-extended-admin-group-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Thu Mar  6 06:03:41 2014
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From: "Stewart Bryant (stbryant)" <stbryant@cisco.com>
To: Kireeti Kompella <kireeti@juniper.net>
Thread-Topic: Comments on draft-kompella-larp
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Cc: Kireeti Kompella <kireeti@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>, Dan Frost <frost@mm.st>
Subject: Re: [mpls] Comments on draft-kompella-larp
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Just a quick response.

It runs over MPLS, and you can run MPLS(GAL) over datalinks.

Stewart



> On 6 Mar 2014, at 13:22, "Kireeti Kompella" <kireeti@juniper.net> wrote:
>=20
> Hi Stewart,
>=20
>> On Mar 6, 2014, at 09:10 , Stewart Bryant <stbryant@cisco.com> wrote:
>>=20
>> Kireeti,
>>=20
>> This is an interesting problem and we are pleased that you
>> have brought discussion of this topic to the IETF MPLS WG.
>=20
> Cool.
>=20
>> The proposal on the table however is a point solution and
>> it may be worth considering the wider problem of host
>> to network  MPLS interfaces (UNIs).
>>=20
>> In particular whilst the majority of traffic is IPv4 today, the
>> stated policy of the IETF is to recognize the need to deliver IPv6
>> solutions and thus not to design IPv4 only solutions.
>=20
> Got that message; will fix.
>=20
>> Whilst it is true that everyone does ARP, and ARP can in
>> principle be extended, the reality of the situation is that
>> the majority of ARP implementations are optimized IPv4
>> specific, and thus in most cases extending ARP would
>> require a similar effort to deploying a new IPv4/IPv6 agnostic
>> protocol for the UNI.
>=20
> Understood that this will be new code; the actual code isn=92t that much,=
 though.
>=20
>> Given that Ethernet, whilst the most popular server network
>> interface, is not the exclusive interface and recognizing
>> that new link types may emerge, particularly in the IOT space,
>> it may serve us better to take an approach that is
>> MPLS specific but data-link neutral.
>=20
> ARP is not Ethernet specific.  We prefer to have different code points fo=
r MPLS-over-Ethernet, MPLS-over-foo, etc. rather than have TLVs for the lin=
k layer.
>=20
>> A further consideration is that whilst it may be possible to
>> extend ARP for other address families, it is not a protocol
>> that is well suited to the transport of other necessary
>> UNI information, for example, metrics, QOS information,
>> MTU, authentication, integrity, spectral information etc.
>=20
> What we are going for is simplicity.  We have metrics and entropy label c=
apability on deck; but we really don=92t want to add too much more.
>=20
>> An alternative approach that is worth considering as a starting
>> point is described in draft-ietf-mpls-gach-adv (in the RFC
>> Editor's queue). When we wrote this draft we were attempting
>> to define a general UNI approach for MPLS with a focus on
>> simplicity.
>=20
> I took a quick look.  The immediate question is, can gach-adv be run over=
 native Ethernet?  I don=92t see a UDP port or IP encoding.  I do see that =
this can be used over MPLS; but the L-ARP draft is for establishing tunnels=
 when you have none.  That=92s why I prefer something that runs at the link=
 layer.
>=20
> If I missed something, please let me know.
>=20
> Cheers,
> Kireeti.
>=20
>> If you are interested in exploring this with us further we
>> would be pleased to work with you on this.
>>=20
>> Dan and Stewart
>=20
>=20


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From: "Carlos Pignataro (cpignata)" <cpignata@cisco.com>
To: Markus Jork <mjork@juniper.net>, "draft-george-mpls-ipv6-only-gap@tools.ietf.org" <draft-george-mpls-ipv6-only-gap@tools.ietf.org>, "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "VIGOUREUX, MARTIN (MARTIN)" <martin.vigoureux@alcatel-lucent.com>
Thread-Topic: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Thanks, Markus.

We are incorporating these comments.

Carlos.

-----Original Message-----
From: Markus Jork <mjork@juniper.net>
Date: Friday, February 28, 2014 at 10:43 PM
To: "draft-george-mpls-ipv6-only-gap@tools.ietf.org"
<draft-george-mpls-ipv6-only-gap@tools.ietf.org>,
"mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, Martin
Vigoureux <martin.vigoureux@alcatel-lucent.com>
Cc: "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt

>This is a very useful effort and should be adopted as a WG document.
>It is difficult to say whether the current draft has captured all the
>potential problems but it appears quite exhaustive already. It is also
>clearly written and technically sound.
>
>The use case discussion in section 2 seems overly defensive and doesn't
>contribute much to the document, it might as well be removed for the sake
>of brevity.
>
>Some minor technical feedback:
>
>The verdict at the end of section 3.3.2.1 is:
>"Gap: Major. RFC4659 needs to be updated to explicitly cover use case #2".
>I believe this is meant to say "RFC 4798". But I'm not sure that's fair.
>RFC 4798 is very explicitly covering only the 6PE use case. That's all it
>is trying to achieve, so adding "4PE" to this RFC would be overloading
>it. If there are gaps with a "4PE" use case not sufficiently covered by
>existing specs, and people are actually interested in doing this, then
>this should probably be addressed by a new RFC dedicated that use case?
>
>In section 3, the reference for RSVP-TE should be RFC 3209 and not RFC
>5420.
>
>I also noticed two very minor typos:
>3.3.2: "RFC4364 defines as VPN-IPv4 address type"
>3.3.2.3: "tunnelling over an single-Address"
>
>
>-Markus
>
>
>> -----Original Message-----
>> From: Loa Andersson [mailto:loa@pi.nu]
>> Sent: Saturday, February 15, 2014 3:07 AM
>> To: David Allan I; Mach Chen; Markus Jork; draft-george-mpls-ipv6-only-
>> gap@tools.ietf.org; mpls-chairs@tools.ietf.org; VIGOUREUX, MARTIN
>> (MARTIN); Aissaoui, Mustapha (Mustapha)
>> Subject: draft-george-mpls-ipv6-only-gap-04.txt
>>=20
>> Dave, Mach, Markus and Mustapha,
>>=20
>> You have been selected as MPLS Review team reviewers for
>> draft-george-mpls-ipv6-only-gap-04.
>>=20
>> Note to authors: You have been CC'd on this email so that you can know
>> that this review is going on. However, please do not review your own
>> document.
>>=20
>> Note 2: All the IPv& expertise we have in the MPLS review team are
>> listed as contributors on this draft. I've therefore asked Mustapha
>> to review.
>>=20
>> Reviews should comment on whether the document is coherent, is it
>> useful (ie, is it likely to be actually useful in operational
>> networks), and is the document technically sound?  We are interested
>> in knowing whether the document is ready to be considered for WG
>> adoption (ie, it doesn't have to be perfect at this point, but should be
>> a good start).
>>=20
>> Reviews should be sent to the document authors, WG co-chairs and
>> WG secretary, and CC'd to the MPLS WG email list. If necessary, comments
>> may be sent privately to only the WG chairs.
>>=20
>> Are you able to review this draft by March 1, 2014?
>>=20
>>=20
>> Thanks, Loa
>> (as MPLS WG chair)
>> --
>>=20
>>=20
>> Loa Andersson                        email: loa@mail01.huawei.com
>> Senior MPLS Expert                          loa@pi.nu
>> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>>=20
>
>
>_______________________________________________
>mpls mailing list
>mpls@ietf.org
>https://www.ietf.org/mailman/listinfo/mpls


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From: "Carlos Pignataro (cpignata)" <cpignata@cisco.com>
To: Mustapha Aissaoui <mustapha.aissaoui@alcatel-lucent.com>
Thread-Topic: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Hi, Mustapha,

Thank you so much for your review, these comments, and the support.

Some follow-ups inline.

On Mar 2, 2014, at 5:21 PM, Aissaoui, Mustapha (Mustapha) <mustapha.aissaou=
i@alcatel-lucent.com> wrote:

> Dear all,
> I read this document and I can say that it is useful for identifying gaps=
 in MPLS related standards for interoperable deployment of IPv6 control pla=
ne and data plane in operators networks. It should be progressed as a worki=
ng group document.
>=20
> I compiled a list of comments below.
>=20
> Regards,
> Mustapha.
> ------------------------------
> 1. Section 2 - Use Case
> A common use case I have seen is that of a wireless operator that moved i=
ts 4G/LTE subscribers into IPv6 but their management and backend infrastruc=
ture is still IPv4. In many of these networks, it is it is the management a=
nd OAM traffic which needs to be carried in a MPLS VPN in order to separate=
 it from the subscriber traffic. The latter is IPv6 routed in most use case=
s I know of. As the number of devices (specifically cell site routers) to m=
anage increases, the operator is compelled to move to IPv6.
>=20

Added.

> 2. Section 3 - Gap Analysis
> The reference to RSVP-TE spec is no correct. I assume the authors meant R=
FC 3209.
>=20

Fixed.

> 3. Section 3.1 - MPLS Data Plane
> In the case where an IPv4 prefix is resolved over an IPv6 LSP, there may =
be a need to push the IPv4 explicit null label value first before pushing t=
he IPv6 label. The reason for this is if the egress LSR advertised the IPv6=
 explicit null label for the outer IPv6 LSP, it may drop the packet if it i=
s not an IPv6 one. =20
>=20

Added.


> 4. Section 3.2.1 - LDP
> While reviewing draft-ietf-mpls-ldp-ipv6 on the MPLS WG mailing list, the=
re were a couple of comments which were made by a number of operators and w=
hich I consider as gaps in LDP IPv6:
> a. the need for extending LDP to use a 128-bit LSR-ID. The idea was to al=
low for using an IPv6 loopback to identify the LSR. In many cases, the LSR =
ID matches a routable address in the operator's network.
> We wrote the following draft to address this (needs a refresh):
> http://tools.ietf.org/html/draft-pdutta-mpls-ldp-v2-00

This one should be discussed in the context of draft-ietf-mpls-ldp-ipv6, th=
is draft can follow.

I believe this was already discussed there.=20

> b. the need to support separate IPv6 and IPv4 LDP sessions when LSR peers=
 over a dual-stack interface. We wrote the following draft to achieve this:
> http://tools.ietf.org/html/draft-pdutta-mpls-multi-ldp-instance-00
>=20

This seems out of scope, because draft-george-mpls-ipv6-only-gap is for IPv=
6-only, not dual stack.

> 5. Section 3.2.2 - Multipoint LDP
> RFC 6388 provides a single session level LDP capability for mLDP P2MP and=
 MP2MP FECs. There is no distinction between IPv4 and IPv6. We need to add =
a separate capability for IPv6 for each type.
>=20

This seems covered by item #1 of S3.2.2.

> 6. Section 3.3.1 - L2VPN
> We need to add a reference to RFC 6073 which defined the LDP SP-PE TLV an=
d which already supports IPv4 and IPV6 addresses of the S-PE nodes.
> We also need a reference to draft-ietf-pwe3-dynamic-ms-pw-20 for dynamic =
MS-PW. I checked it and it seems the discovery part which is consistent wit=
h RFC 4760 supports IPv6 PE address.
>=20

Added.

> 7. Section 3.3.2 - L3VPN
> Section 3.2.1.1 "BGP Speaker Requesting IPv6 Transport" does actually spe=
cifies a 128-bit BGP next-hop. No?
>=20

I do not understand this comment -- There is no section 3.2.1.1, or that ti=
tle you quote.

> 8. Section 3.4.2 - LSP Ping
> I do not understand the issue described in the case of LSP trace. Why wou=
ld the ingress LSR send an IPv4 echo request message? The LSP is signaled w=
ith IPv6 control plane and its target FEC stack TLV is IPv6 (LDP, RSVP, or =
BGP LSP), the MPLS echo request and reply packets must be IPv6.=20
>=20

In case the destination is IPv4.

> 9. Section 3.4.4 - PW OAM
> I think the reference to RFC 6829 which defined the FEC 128 and FEC 129 t=
arget FEC Stack TLVs in a IPv6 environment should be added here instead of =
Section 3.4.2.

Good point, moved.

Thanks,

Carlos.

> -------------------------------------------------------------------------=
-----------------
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


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From: "Carlos Pignataro (cpignata)" <cpignata@cisco.com>
To: Mustapha Aissaoui <mustapha.aissaoui@alcatel-lucent.com>
Thread-Topic: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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References: <52FF2006.7060900@pi.nu> <4A79394211F1AF4EB57D998426C9340D77A0722E@US70UWXCHMBA01.zam.alcatel-lucent.com> <4A79394211F1AF4EB57D998426C9340D77A1194F@US70UWXCHMBA01.zam.alcatel-lucent.com> <4A79394211F1AF4EB57D998426C9340D77A11AB6@US70UWXCHMBA01.zam.alcatel-lucent.com> <4A79394211F1AF4EB57D998426C9340D77A11E74@US70UWXCHMBA01.zam.alcatel-lucent.com>
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Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Thanks for the clarification.

Added.

Thanks,

-- Carlos.

On Mar 3, 2014, at 2:43 PM, Aissaoui, Mustapha (Mustapha) <mustapha.aissaou=
i@alcatel-lucent.com> wrote:

> Sorry but I needed a little bit of clarification to my comment #7. It sho=
uld read as follows:
>=20
> "
> 7. Section 3.3.2 - L3VPN
> Section 3.2.1.1 *of RFC 4659* "BGP Speaker Requesting IPv6 Transport" doe=
s actually specifies a 128-bit BGP next-hop. No?
> "
>=20
> Regards,
> Mustapha.
> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Aissaoui, Mustapha=
 (Mustapha)
> Sent: Sunday, March 02, 2014 12:21 PM
> To: mpls@ietf.org
> Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
>=20
> Dear all,
> I read this document and I can say that it is useful for identifying gaps=
 in MPLS related standards for interoperable deployment of IPv6 control pla=
ne and data plane in operators networks. It should be progressed as a worki=
ng group document.
>=20
> I compiled a list of comments below.
>=20
> Regards,
> Mustapha.
> ------------------------------
> 1. Section 2 - Use Case
> A common use case I have seen is that of a wireless operator that moved i=
ts 4G/LTE subscribers into IPv6 but their management and backend infrastruc=
ture is still IPv4. In many of these networks, it is it is the management a=
nd OAM traffic which needs to be carried in a MPLS VPN in order to separate=
 it from the subscriber traffic. The latter is IPv6 routed in most use case=
s I know of. As the number of devices (specifically cell site routers) to m=
anage increases, the operator is compelled to move to IPv6.
>=20
> 2. Section 3 - Gap Analysis
> The reference to RSVP-TE spec is no correct. I assume the authors meant R=
FC 3209.
>=20
> 3. Section 3.1 - MPLS Data Plane
> In the case where an IPv4 prefix is resolved over an IPv6 LSP, there may =
be a need to push the IPv4 explicit null label value first before pushing t=
he IPv6 label. The reason for this is if the egress LSR advertised the IPv6=
 explicit null label for the outer IPv6 LSP, it may drop the packet if it i=
s not an IPv6 one. =20
>=20
> 4. Section 3.2.1 - LDP
> While reviewing draft-ietf-mpls-ldp-ipv6 on the MPLS WG mailing list, the=
re were a couple of comments which were made by a number of operators and w=
hich I consider as gaps in LDP IPv6:
> a. the need for extending LDP to use a 128-bit LSR-ID. The idea was to al=
low for using an IPv6 loopback to identify the LSR. In many cases, the LSR =
ID matches a routable address in the operator's network.
> We wrote the following draft to address this (needs a refresh):
> http://tools.ietf.org/html/draft-pdutta-mpls-ldp-v2-00
> b. the need to support separate IPv6 and IPv4 LDP sessions when LSR peers=
 over a dual-stack interface. We wrote the following draft to achieve this:
> http://tools.ietf.org/html/draft-pdutta-mpls-multi-ldp-instance-00
>=20
> 5. Section 3.2.2 - Multipoint LDP
> RFC 6388 provides a single session level LDP capability for mLDP P2MP and=
 MP2MP FECs. There is no distinction between IPv4 and IPv6. We need to add =
a separate capability for IPv6 for each type.
>=20
> 6. Section 3.3.1 - L2VPN
> We need to add a reference to RFC 6073 which defined the LDP SP-PE TLV an=
d which already supports IPv4 and IPV6 addresses of the S-PE nodes.
> We also need a reference to draft-ietf-pwe3-dynamic-ms-pw-20 for dynamic =
MS-PW. I checked it and it seems the discovery part which is consistent wit=
h RFC 4760 supports IPv6 PE address.
>=20
> 7. Section 3.3.2 - L3VPN
> Section 3.2.1.1 "BGP Speaker Requesting IPv6 Transport" does actually spe=
cifies a 128-bit BGP next-hop. No?
>=20
> 8. Section 3.4.2 - LSP Ping
> I do not understand the issue described in the case of LSP trace. Why wou=
ld the ingress LSR send an IPv4 echo request message? The LSP is signaled w=
ith IPv6 control plane and its target FEC stack TLV is IPv6 (LDP, RSVP, or =
BGP LSP), the MPLS echo request and reply packets must be IPv6.=20
>=20
> 9. Section 3.4.4 - PW OAM
> I think the reference to RFC 6829 which defined the FEC 128 and FEC 129 t=
arget FEC Stack TLVs in a IPv6 environment should be added here instead of =
Section 3.4.2.
> -------------------------------------------------------------------------=
-----------------
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Fri Mar  7 02:33:47 2014
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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: <draft-ietf-mpls-in-udp.all@tools.ietf.org>
Date: Fri, 7 Mar 2014 10:33:29 -0000
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Subject: [mpls] Progressing draft-ietf-mpls-in-udp
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Hi,

Sorry that I have been sitting on this I-D since IETF last call completed, but
it has proven to be a valuable wait.

During this IETF meeting I have met with the TSV ADs and discussed this I-D, the
GRE-in-UDP draft and the broader congestion and checksum issues.

The TSV Area and TSVWG have also discussed the topics in some detail.

I believe that I now know exactly what additions/changes are necessary. These
are not necessary to get this past the TSV fanatics and ADs. These *are*
necessary to make the document and the protocol valuable and stable.

My next action will be to work up some text for inclusion in each of the I-Ds (I
am AD for this document and co-author on the GRE document). I suspect this will
be about a page in each case and will overlap with some text already present (we
can handle the editorial process separately).

Obviously we will need to review and discuss the new text before we move
forward.

I am hoping that I can do this within about a week, but the time immediately
after an IETF meeting does tend to get filled up with the most extraordinary
demands on my time (like sleeping).

Thanks to the authors for their patience with this work.

Adrian


From nobody Fri Mar  7 10:44:32 2014
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From: "George Swallow (swallow)" <swallow@cisco.com>
To: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Call for English reviewers
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--_000_CF3F7DAE9E13swallowciscocom_
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Hi -

Many of the documents that we have progressed lately have suffered and henc=
e been slowed by structure, grammar and spelling issues.  As you (should) k=
now we have a review team that review documents for the WG.  The team is ch=
arge with examining the technical content.  We'd like to add a few English =
reviewers to the team to review drafts that are otherwise ready for WG LC. =
 We also believe that improved English will make it easier for folks to rev=
iew the documents during last call.

So we'd like to add a few people who are good at writing and reviewing Engl=
ish to join the review team.

If you're willing to do this, please respond to the Chairs and Martin.

Thanks,

George

--_000_CF3F7DAE9E13swallowciscocom_
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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
</head>
<body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-lin=
e-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-fami=
ly: Calibri, sans-serif; ">
<div>Hi -</div>
<div><br>
</div>
<div>Many of the documents that we have progressed lately have suffered and=
 hence been slowed by structure, grammar and spelling issues. &nbsp;As you =
(should) know we have a review team that review documents for the WG. &nbsp=
;The team is charge with examining the technical
 content. &nbsp;We'd like to add a few English reviewers to the team to rev=
iew drafts that are otherwise ready for WG LC. &nbsp;We also believe that i=
mproved English will make it easier for folks to review the documents durin=
g last call.</div>
<div><br>
</div>
<div>So we'd like to add a few people who are good at writing and reviewing=
 English to join the review team.</div>
<div><br>
</div>
<div>If you're willing to do this, please respond to the Chairs and Martin.=
</div>
<div><br>
</div>
<div>Thanks,</div>
<div><br>
</div>
<div>George</div>
</body>
</html>

--_000_CF3F7DAE9E13swallowciscocom_--


From nobody Fri Mar  7 23:28:56 2014
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From: "Rajiv Asati (rajiva)" <rajiva@cisco.com>
To: "George, Wes" <wesley.george@twcable.com>, "draft-george-mpls-ipv6-only-gap@tools.ietf.org" <draft-george-mpls-ipv6-only-gap@tools.ietf.org>, "Kamran Raza (skraza)" <skraza@cisco.com>, "rbonica@juniper.net" <rbonica@juniper.net>, "rajiv.papneja@huawei.com" <rajiv.papneja@huawei.com>, "dhruv.ietf@gmail.com" <dhruv.ietf@gmail.com>, "vishwas.manral@hp.com" <vishwas.manral@hp.com>, "Nagendra Kumar Nainar (naikumar)" <naikumar@cisco.com>
Thread-Topic: draft-george-mpls-ipv6-only-gap-04.txt
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Date: Sat, 8 Mar 2014 07:28:43 +0000
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Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Hi Alan,

Sorry about the delay, please see inline,

> I am concern that for a gap analysis, it starts getting prescriptive,
> along the lines of a framework, only really in one place having now read
> the doc e2e.
> - Section 3.2.2 on mLDP starts mining the solution space for expressing
> interworking or overlay of root addresses.

Good catch. This section needs to be updated (related to the next point).


> Reading 3.2.2 and subsequent sections does raise a question. The issue in
> 3.2.2 is a tree that spans contiguous IPv4 and IPv6 operational domains,
> and expressing a routable root is a problem. Yet RSVP and PCE are assumed
> to have no gaps.=20

You do raise a good point. We should remove this v4-only and v6-only
co-existence scenario from mLDP point#2 altogether.
=20

> Is the assumption that an ERO will include a node that
> would know how to treat hops that change address families, and IF so
> doesn't that mean there are loose hops that will not work? E.g. a hop
> that transits a v4 only and v6 only domain, but with no dual stack LSR
> identified? (using the example from 3.2.2 the ERO is (R1, R3, R4, R5,
> R6), if R2 is not there would not R1 be clueless about getting to R3?).

IMO, RSVP doesn=B9t suffer from this problem, since the Path-calculation
(CSPF) would not end up concluding v4-only and v6-only hops to the
tail-end, hence, ERO would have either all v4-only or v6-only hops or none.

> Section 3.3.1, I might be worth mentioning the impact of requiring
> homogenous capability end points in a VPLS network architecture or S-PEs
> for MS-PW for that matter.

You mean, the PE routers (connecting a PW) must be of the same AFI !! I
agree.

> Section 3.4.2, seems to me to fall under the general class of TTL
> expiring for a ping message from an unroutable address. Which in a VPN
> context is nothing new and not unique to v4/v6 operation, it has always
> been a head wound. And there are practices to at least partially mitigate
> the impact. So IMO there is a gap, and that's "tough!" ;-)

Ditto. The intent (for now) is to document the gap, whether it could be
sufficiently solved or not. :) We may end up borrowing the same solution
if we were to solve it later on.


--=20
Cheers,
Rajiv Asati=20





-----Original Message-----
From: <George>, Wes George <wesley.george@twcable.com>
Date: Tuesday, February 18, 2014 at 4:05 PM
To: "draft-george-mpls-ipv6-only-gap@tools.ietf.org"
<draft-george-mpls-ipv6-only-gap@tools.ietf.org>, Rajiv Asati
<rajiva@cisco.com>, "Kamran Raza (skraza)" <skraza@cisco.com>, Ronald
Bonica <rbonica@juniper.net>, Rajiv Papneja <rajiv.papneja@huawei.com>,
Dhruv Dhody <dhruv.ietf@gmail.com>, Vishwas Manral
<vishwas.manral@hp.com>, Nagendra Kumar <naikumar@cisco.com>
Subject: FW: draft-george-mpls-ipv6-only-gap-04.txt

>More feedback on the draft that goes beyond my capability to address.
>
>Note - it=B9s unclear to me whether the draft email alias still sends emai=
l
>to everyone that was originally listed as an author, or only to carlos and
>I as the listed authors on the current draft. Can one of you confirm that
>you received (or definitely did not receive) this message when it was
>originally sent to the draft alias on the 15th so that I know whether I
>need to keep watching for messages like this and parsing them out to the
>authors?
>
>
>Thanks,
>
>Wes
>
>
>
>
>
>On 2/15/14, 1:22 PM, "David Allan I" <david.i.allan@ericsson.com> wrote:
>
>>HI There:
>>
>>So being stuck in SFO for an unexpected LONG sojourn provided me with
>>some serendipitous time to look over this.
>>
>>In general I found the document to be well written and clear, and it
>>appears to have both merit and utility. I'm less able to comment on
>>completeness.
>> If I understand correctly, I believe the general class of problem being
>>explored by the I-D overall is a homogenous end point set and the
>>potential issues with a heterogenous core and the completeness of the
>>IPv6 feature set in the set of homogenous IPv6 end points. The actual
>>application of that to some of the analysis does not seem to acknowledge
>>that basis, and I think some use case boilerplate along those lines would
>>help drive some conclusions and confidence in the gap/no gap
>>pronouncements.
>>
>>I am concern that for a gap analysis, it starts getting prescriptive,
>>along the lines of a framework, only really in one place having now read
>>the doc e2e.
>>- Section 3.2.2 on mLDP starts mining the solution space for expressing
>>interworking or overlay of root addresses.
>>
>>Technical comments:
>>
>>Reading 3.2.2 and subsequent sections does raise a question. The issue in
>>3.2.2 is a tree that spans contiguous IPv4 and IPv6 operational domains,
>>and expressing a routable root is a problem. Yet RSVP and PCE are assumed
>>to have no gaps. Is the assumption that an ERO will include a node that
>>would know how to treat hops that change address families, and IF so
>>doesn't that mean there are loose hops that will not work? E.g. a hop
>>that transits a v4 only and v6 only domain, but with no dual stack LSR
>>identified? (using the example from 3.2.2 the ERO is (R1, R3, R4, R5,
>>R6), if R2 is not there would not R1 be clueless about getting to R3?).
>>
>>Section 3.3.1, I might be worth mentioning the impact of requiring
>>homogenous capability end points in a VPLS network architecture or S-PEs
>>for MS-PW for that matter.
>>
>>Section 3.4.2, seems to me to fall under the general class of TTL
>>expiring for a ping message from an unroutable address. Which in a VPN
>>context is nothing new and not unique to v4/v6 operation, it has always
>>been a head wound. And there are practices to at least partially mitigate
>>the impact. So IMO there is a gap, and that's "tough!" ;-)
>>
>>I hope this helps
>>Dave
>>-----Original Message-----
>>From: Loa Andersson [mailto:loa@pi.nu]
>>Sent: Saturday, February 15, 2014 12:07 AM
>>To: David Allan I; Mach Chen; Markus Jork;
>>draft-george-mpls-ipv6-only-gap@tools.ietf.org;
>>mpls-chairs@tools.ietf.org; VIGOUREUX, MARTIN (MARTIN); Aissaoui,
>>Mustapha (Mustapha)
>>Subject: draft-george-mpls-ipv6-only-gap-04.txt
>>
>>Dave, Mach, Markus and Mustapha,
>>
>>You have been selected as MPLS Review team reviewers for
>>draft-george-mpls-ipv6-only-gap-04.
>>
>>Note to authors: You have been CC'd on this email so that you can know
>>that this review is going on. However, please do not review your own
>>document.
>>
>>Note 2: All the IPv& expertise we have in the MPLS review team are listed
>>as contributors on this draft. I've therefore asked Mustapha to review.
>>
>>Reviews should comment on whether the document is coherent, is it useful
>>(ie, is it likely to be actually useful in operational networks), and is
>>the document technically sound?  We are interested in knowing whether the
>>document is ready to be considered for WG adoption (ie, it doesn't have
>>to be perfect at this point, but should be a good start).
>>
>>Reviews should be sent to the document authors, WG co-chairs and WG
>>secretary, and CC'd to the MPLS WG email list. If necessary, comments may
>>be sent privately to only the WG chairs.
>>
>>Are you able to review this draft by March 1, 2014?
>>
>>
>>Thanks, Loa
>>(as MPLS WG chair)
>>--
>>
>>
>>Loa Andersson                        email: loa@mail01.huawei.com
>>Senior MPLS Expert                          loa@pi.nu
>>Huawei Technologies (consultant)     phone: +46 739 81 21 64
>
>
>This E-mail and any of its attachments may contain Time Warner Cable
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From: "Rajiv Asati (rajiva)" <rajiva@cisco.com>
To: Mach Chen <mach.chen@huawei.com>, "George, Wes" <wesley.george@twcable.com>, "draft-george-mpls-ipv6-only-gap@tools.ietf.org" <draft-george-mpls-ipv6-only-gap@tools.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Hi Mach,

Please see inline,

>2). BGP-LS may need to be mentioned somewhere

Ummm...BGP-LS isn=B9t particularly related to MPLS. Wouldn=B9t it be out of
scope of this document?



>3. Section 3.3.3.  MPLS-TP
>
>"  MPLS-TP does not require IP (see section 2 of RFC 5921 [RFC5921]) and
>   should not be affected by operation on an IPv6-only network.
>   Therefore this is considered out of scope for this document.
>
>   Gap: None.
>"
>I am not sure the above statement is accurate, MPLS-TP can run without
>IP, it also can run with IP.

Agreed.

> Section 5.3. of RFC6370, 2nd paragraph, it says:
> "GMPLS [5] is based on RSVP-TE [2].  This section defines the mapping
> from an MPLS-TP LSP_ID to RSVP-TE.  At this time, RSVP-TE has yet to
> be extended to accommodate Global_IDs.  Thus, a mapping is only made
> for the network unique form of the LSP_ID and assumes that the
> operator has chosen to derive its Node_IDs from valid IPv4 addresses."
>=20
> In an IPv6 only network, there should be no such an valid IPv4 address,
>so some updates
> may need here.

I agree. We could add the following text to section 3.2.6:


//=20

2nd para of Section 5.3 of RFC6370 describes the mapping from an MPLS-TP
LSP_ID to RSVP-TE with an assumption that Node_IDs are derived from valid
IPv4 addresses. This assumption fails in an IPv6-only network.



Gap: Minor; Section 5.3. of RFC6370 needs to be updated.
//


> In addition, LSP_TUNNEL_IPv6 Session Object use IPv6 addresses+tunnel
>ID+LSP ID to=20
> identify an LSP, it needs to evaluate whether "32-bit Node_ID + Tunnel
>ID + LSP ID=B2 is
> sufficient to identify an IPv6 LSP. Seems it's fine, but the mapping
>definition may need
> some changes or clarification.

Is this in the context of RSVP-TE [rfc3209] ?


--=20
Cheers,
Rajiv Asati
Distinguished Engineer, Cisco





-----Original Message-----
From: 'Mach Chen' <mach.chen@huawei.com>
Date: Wednesday, February 19, 2014 at 9:05 PM
To: Wes George <wesley.george@twcable.com>,
"draft-george-mpls-ipv6-only-gap@tools.ietf.org"
<draft-george-mpls-ipv6-only-gap@tools.ietf.org>, "mpls@ietf.org"
<mpls@ietf.org>
Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt

>Hi George,
>
>> -----Original Message-----
>> From: George, Wes [mailto:wesley.george@twcable.com]
>> Sent: Thursday, February 20, 2014 1:47 AM
>> To: Mach Chen; draft-george-mpls-ipv6-only-gap@tools.ietf.org;
>>mpls@ietf.org
>> Subject: Re: draft-george-mpls-ipv6-only-gap-04.txt
>>=20
>> Adding MPLS WG, some responses below, and I=B9m sure my co-authors will
>>chime
>> in as well. Thanks for the review!
>
>You are welcome!
>
>>=20
>> Wes George
>>=20
>>=20
>> On 2/19/14, 2:23 AM, "Mach Chen" <mach.chen@huawei.com> wrote:
>>=20
>> >Specific comments:
>> >
>> >1. Section 3.2
>> >
>> >IGP used for label mapping is proposed by Segment routing, there may
>> >need a sub section for this.
>>=20
>> WG] I believe we=B9ll need to make sure the folks in SPRING are
>>considering
>> IPv6-only operation and put a more generic note that draft technologies
>>(like
>> EVPN and Segment Routing) are not in scope for the gap analysis (see my
>> previous on-list response)
>
>OK.
>
>> >
>> >2. Section 3.2.3.1.
>> >
>> >1) To give a comprehensive introduction of TE link advertisement, it
>> >may need to mention IGP extensions for inter-AS TE link advertisement
>> >(RFC5316 and RFC5392).
>> >
>> >2). BGP-LS may need to be mentioned somewhere
>> >
>> >3. Section 3.3.3.  MPLS-TP
>> >
>> >"  MPLS-TP does not require IP (see section 2 of RFC 5921 [RFC5921])
>>and
>> >   should not be affected by operation on an IPv6-only network.
>> >   Therefore this is considered out of scope for this document.
>> >
>> >   Gap: None.
>> >"
>> >I am not sure the above statement is accurate, MPLS-TP can run without
>> >IP, it also can run with IP. IMHO, there should be some gaps need to
>> >soloved in case of IPv6-only network. As I know, there is at least one
>> >gap need to be mentioned.
>> >RFC6370, second para of section 4  states:
>> > "The Node_ID is a unique 32-bit value assigned by the
>> >   operator within the scope of a Global_ID."
>> >
>> >And then section 5.3 Mapping to RSVP Signaling, where
>> >
>> >      *  Extended Tunnel_ID =3D A1-Node_ID
>> >      *  Tunnel Sender Address =3D A1-Node_ID And in RFC3209, section
>> >4.6.1.2. LSP_TUNNEL_IPv6 Session Object is defined. So, in IPv6-only
>> >network, it obviously that Extended Tunnel_ID and Tunnel Sender Address
>> >cannot be mapped to Node_ID anymore.
>>=20
>> WG] There=B9s a related discussion happening in IDR/v6ops right now
>>=20
>>(https://mailarchive.ietf.org/arch/search/?q=3DBGP+Identifier&qdr=3Dw&f_l=
ist=3D
>>id
>> r&gbt=3D1 starting 14 Feb) responding to a proposal to make BGP Router I=
D
>>a
>> 128 bit field because of the lack of direct mapping between the 32 bit
>>field and a
>> potentially 128 bit address on an IPv6-only device. So far, there has
>>been
>> significant feedback from operators that in the case where these are
>>simply fields
>> that contain an arbitrary 32 bit value whose only requirement is that
>>it is unique
>> across some scope, we need to be clear that the link between that
>>field=B9s value
>> and any particular IPv4 address is merely by convention, not by
>>protocol necessity,
>> and therefore the solution in an IPv6-only network may simply be to
>>note that in
>> order for this to work, the operator must have a method to derive a
>>unique value,
>> either manually/programmatically assigned at provisioning time, or via
>>some sort
>> of mapping from an IPv6 address present on the box. I=B9m inclined to
>>handle this
>> potential gap in the same way, since the problem and discussion in IDR
>>is in no
>> way specific to BGP, but I think it=B9s something that we need to discus=
s
>>in this
>> specific context - I.e. does it break anything if the value is
>>arbitrary and not linked
>> to an IP address present on the device?
>
>Yes, I noticed that discussion and am fine with the 32-bit Router ID.
>
>As its current definition, the Node_ID is already an arbitrary 32-bit
>value that is unique within the scope it used. The problem here is that
>how to identify an IPv6 LSP with the current MPLS-TP identifier
>definition.
>
>Section 5.3. of RFC6370, 2nd paragraph, it says:
>   "GMPLS [5] is based on RSVP-TE [2].  This section defines the mapping
>   from an MPLS-TP LSP_ID to RSVP-TE.  At this time, RSVP-TE has yet to
>   be extended to accommodate Global_IDs.  Thus, a mapping is only made
>   for the network unique form of the LSP_ID and assumes that the
>   operator has chosen to derive its Node_IDs from valid IPv4 addresses."
>
>In an IPv6 only network, there should be no such an valid IPv4 address,
>so some updates may need here.
>
>In addition, LSP_TUNNEL_IPv6 Session Object use IPv6 addresses+tunnel
>ID+LSP ID to identify an LSP, it needs to evaluate whether "32-bit
>Node_ID + Tunnel ID + LSP ID" is sufficient to identify an IPv6 LSP.
>Seems it's fine, but the mapping definition may need some changes or
>clarification.=20
>
>Best regards,
>Mach
>=20
>>=20
>>=20
>>=20
>_______________________________________________
>mpls mailing list
>mpls@ietf.org
>https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar 10 01:09:56 2014
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Subject: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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Working Group,

This is to start a one week working group last call on
draft-ietf-mpls-ldp-multi-topology limited to the changes introduced
since the wglc.

The document is in AD review, but the changes has been such that
we want the working group to confirm that we are comfortable with
the changes.

On behalf of the authors Dan King sent a mail to the working group
mailing outlining the changes:
http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html

This working group last call ends eob March 17.

Please send your comments (including support) to the mpls working
group mailing list (mpls@ietf.org).

/Loa
for the MPLS wg chairs

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Mon Mar 10 19:26:11 2014
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From: Mach Chen <mach.chen@huawei.com>
To: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Clarification on source label
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Hi,

During the second MPLS session last week, there are lot of discussions on t=
he source label, thanks for the discussions!

Regarding to the usage of source label, there may be some misunderstanding.=
 The main purpose of source label is for OAM, although the source label can=
 be applied to real packets, but it's optional, it depends on how you use i=
t.

In addition, regarding to the depth of label stack, IMHO, this is proved th=
at is not an real issue for the new generation hardware (chips and NPs), th=
e depth is only related the need.=20


Best regards,
Mach


From nobody Mon Mar 10 23:23:39 2014
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From: "Chao Zhou (czhou)" <czhou@cisco.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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Support!

On 3/10/14 4:09 PM, "Loa Andersson" <loa@pi.nu> wrote:

>Working Group,
>
>This is to start a one week working group last call on
>draft-ietf-mpls-ldp-multi-topology limited to the changes introduced
>since the wglc.
>
>The document is in AD review, but the changes has been such that
>we want the working group to confirm that we are comfortable with
>the changes.
>
>On behalf of the authors Dan King sent a mail to the working group
>mailing outlining the changes:
>http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html
>
>This working group last call ends eob March 17.
>
>Please send your comments (including support) to the mpls working
>group mailing list (mpls@ietf.org).
>
>/Loa
>for the MPLS wg chairs
>
>--=20
>
>
>Loa Andersson                        email: loa@mail01.huawei.com
>Senior MPLS Expert                          loa@pi.nu
>Huawei Technologies (consultant)     phone: +46 739 81 21 64
>
>_______________________________________________
>mpls mailing list
>mpls@ietf.org
>https://www.ietf.org/mailman/listinfo/mpls


From nobody Tue Mar 11 01:08:56 2014
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From: Lizhenbin <lizhenbin@huawei.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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From: Xuxiaohu <xuxiaohu@huawei.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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From nobody Tue Mar 11 04:25:24 2014
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From: "Andrew G. Malis" <agmalis@gmail.com>
Date: Tue, 11 Mar 2014 07:24:53 -0400
Message-ID: <CAA=duU0KakoQYaSFYAecqmKH2N_fGOPS1F510TLp8TdXJwka1g@mail.gmail.com>
To: Mach Chen <mach.chen@huawei.com>
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Subject: Re: [mpls] Clarification on source label
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Just to reiterate what I said at the mike during this discussion, we
can't stop adding new features (and depth) to the label stack if it
has real utility just because some existing equipment or chips can't
handle it. If a service provider wants or needs a new capability, they
will acquire or upgrade equipment that supports it. This is true for
any new features that we add to any protocol, it's not just the label
stack.

Cheers,
Andy


On Mon, Mar 10, 2014 at 10:25 PM, Mach Chen <mach.chen@huawei.com> wrote:
> Hi,
>
> During the second MPLS session last week, there are lot of discussions on the source label, thanks for the discussions!
>
> Regarding to the usage of source label, there may be some misunderstanding. The main purpose of source label is for OAM, although the source label can be applied to real packets, but it's optional, it depends on how you use it.
>
> In addition, regarding to the depth of label stack, IMHO, this is proved that is not an real issue for the new generation hardware (chips and NPs), the depth is only related the need.
>
>
> Best regards,
> Mach
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


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From: "Andrew G. Malis" <agmalis@gmail.com>
Date: Tue, 11 Mar 2014 08:07:53 -0400
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To: Loa Andersson <loa@pi.nu>
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Subject: Re: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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Loa,

These were good changes, support for continuing publication.

Cheers,
Andy

On Mon, Mar 10, 2014 at 4:09 AM, Loa Andersson <loa@pi.nu> wrote:
> Working Group,
>
> This is to start a one week working group last call on
> draft-ietf-mpls-ldp-multi-topology limited to the changes introduced
> since the wglc.
>
> The document is in AD review, but the changes has been such that
> we want the working group to confirm that we are comfortable with
> the changes.
>
> On behalf of the authors Dan King sent a mail to the working group
> mailing outlining the changes:
> http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html
>
> This working group last call ends eob March 17.
>
> Please send your comments (including support) to the mpls working
> group mailing list (mpls@ietf.org).
>
> /Loa
> for the MPLS wg chairs
>
> --
>
>
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


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From: Huaimo Chen <huaimo.chen@huawei.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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Subject: Re: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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Support.

Best Regards,
Huaimo

-----Original Message-----
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
Sent: Monday, March 10, 2014 4:10 AM
To: mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org; draft-ietf-mpls-ldp-multi-topology@tools.ie=
tf.org
Subject: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology

Working Group,

This is to start a one week working group last call on draft-ietf-mpls-ldp-=
multi-topology limited to the changes introduced since the wglc.

The document is in AD review, but the changes has been such that we want th=
e working group to confirm that we are comfortable with the changes.

On behalf of the authors Dan King sent a mail to the working group mailing =
outlining the changes:
http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html

This working group last call ends eob March 17.

Please send your comments (including support) to the mpls working group mai=
ling list (mpls@ietf.org).

/Loa
for the MPLS wg chairs

--=20


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64

_______________________________________________
mpls mailing list
mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls


From nobody Tue Mar 11 05:25:12 2014
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From: "Daniel King" <daniel@olddog.co.uk>
To: <mpls@ietf.org>
References: <531D734B.5050009@pi.nu> <CAA=duU33m7v2s0WO63v1ynaDFekxo3K-+S7Uv-7d-NRcRkTZsQ@mail.gmail.com>
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Date: Tue, 11 Mar 2014 12:24:57 -0000
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Subject: Re: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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Hi All, 

Support (also co-author).

Br, Dan.

-----Original Message-----
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Andrew G. Malis
Sent: 11 March 2014 12:08
To: Loa Andersson
Cc: mpls@ietf.org; mpls-chairs@tools.ietf.org;
draft-ietf-mpls-ldp-multi-topology@tools.ietf.org
Subject: Re: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology

Loa,

These were good changes, support for continuing publication.

Cheers,
Andy

On Mon, Mar 10, 2014 at 4:09 AM, Loa Andersson <loa@pi.nu> wrote:
> Working Group,
>
> This is to start a one week working group last call on 
> draft-ietf-mpls-ldp-multi-topology limited to the changes introduced 
> since the wglc.
>
> The document is in AD review, but the changes has been such that we 
> want the working group to confirm that we are comfortable with the 
> changes.
>
> On behalf of the authors Dan King sent a mail to the working group 
> mailing outlining the changes:
> http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html
>
> This working group last call ends eob March 17.
>
> Please send your comments (including support) to the mpls working 
> group mailing list (mpls@ietf.org).
>
> /Loa
> for the MPLS wg chairs
>
> --
>
>
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls

_______________________________________________
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From nobody Tue Mar 11 06:19:23 2014
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From: "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>
To: Yuji Kamite <y.kamite@ntt.com>, "Tarek Saad (tsaad)" <tsaad@cisco.com>, "Zafar Ali (zali)" <zali@cisco.com>, "Robert H. Venator" <robert.h.venator.civ@mail.mil>
Thread-Topic: New Version Notification for draft-tsaad-mpls-p2mp-loose-path-reopt-01.txt
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Hi WG,

The document is updated for editorial changes.

Your comments and contributions are welcome.

Thanks,
Rakesh


On 2014-03-10 6:36 PM, "internet-drafts@ietf.org"
<internet-drafts@ietf.org> wrote:

>
>A new version of I-D, draft-tsaad-mpls-p2mp-loose-path-reopt-01.txt
>has been successfully submitted by Rakesh Gandhi and posted to the
>IETF repository.
>
>Name:		draft-tsaad-mpls-p2mp-loose-path-reopt
>Revision:	01
>Title:		Reoptimization of Point-to-Multipoint Traffic Engineering Loosely
>Routed LSPs
>Document date:	2014-03-10
>Group:		Individual Submission
>Pages:		9
>URL:           =20
>http://www.ietf.org/internet-drafts/draft-tsaad-mpls-p2mp-loose-path-reopt
>-01.txt
>Status:        =20
>https://datatracker.ietf.org/doc/draft-tsaad-mpls-p2mp-loose-path-reopt/
>Htmlized:      =20
>http://tools.ietf.org/html/draft-tsaad-mpls-p2mp-loose-path-reopt-01
>Diff:          =20
>http://www.ietf.org/rfcdiff?url2=3Ddraft-tsaad-mpls-p2mp-loose-path-reopt-=
01
>
>Abstract:
>   This document defines Resource Reservation Protocol - Traffic
>   Engineering (RSVP-TE) signaling extensions for reoptimizing loosely
>   routed Point-to-Multipoint (P2MP) Traffic Engineered (TE) Label
>   Switched Paths (LSPs) in an Multi-Protocol Label Switching (MPLS) and
>   Generalized MPLS (GMPLS) networks.
>
>                 =20
>       =20
>
>
>Please note that it may take a couple of minutes from the time of
>submission
>until the htmlized version and diff are available at tools.ietf.org.
>
>The IETF Secretariat
>


From nobody Tue Mar 11 08:20:29 2014
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Subject: [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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Working Group,

This poll has been closed.  We have accepted the draft as an mpls working g=
roup document.

Could the authors please re-publish the draft with no other
changes than file-name, date and version as:

draft-ietf-mpls-p2mp-egress-protection-00

After this draft has been posted, the authors should then deal with the com=
ments received during the call for adoption, following normal IETF processe=
s.

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Thursday, February 13, 2014 2:46 PM
To: mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org
Subject: [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11

This is to start a poll on adopting draft-chen-mpls-p2mp-egress-protection-=
11
as an MPLS working group document. Since many of us will be in transit to t=
he
IETF approximately two weeks from now, I will extent the poll by one week (=
so
that it will be a three week poll).

Please send your comments (support/not support) to the mpls working group
mailing list (mpls@ietf.org<mailto:mpls@ietf.org>).

This poll will end Friday March 7, 2014. Note that this is the Friday of th=
e IETF,
and thus we will each need to plan our review of the document and response
around our travel plans and IETF activities.

Thanks, Ross


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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Working Group,<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This poll has been closed=
.&nbsp; We have accepted the draft as an mpls working group document.<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Could the authors please =
re-publish the draft with no other<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">changes than file-name, d=
ate and version as:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">draft-ietf-mpls-p2mp-egre=
ss-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">After this draft has been=
 posted, the authors should then deal with the comments received during the=
 call for adoption, following normal IETF processes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [ma=
ilto:mpls-bounces@ietf.org]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Thursday, February 13, 2014 2:46 PM<br>
<b>To:</b> mpls@ietf.org<br>
<b>Cc:</b> mpls-chairs@tools.ietf.org<br>
<b>Subject:</b> [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protec=
tion-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This is to start a poll on adopting dra=
ft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">as an MPLS working group document. Sinc=
e many of us will be in transit to the
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">IETF approximately two weeks from now, =
I will extent the poll by one week (so
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">that it will be a three week poll).
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Please send your comments (support/not =
support) to the mpls working group
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">mailing list (<a href=3D"mailto:mpls@ie=
tf.org"><span style=3D"color:windowtext">mpls@ietf.org</span></a>).<o:p></o=
:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This poll will end Friday March 7, 2014=
. Note that this is the Friday of the IETF,
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">and thus we will each need to plan our =
review of the document and response
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">around our travel plans and IETF activi=
ties.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Thanks, Ross<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</body>
</html>

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From: Ross Callon <rcallon@juniper.net>
To: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
Thread-Index: AQHPKPRIpPUShY7IUEKfeXCXoUCU4JrcJhCQgABYLAA=
Date: Tue, 11 Mar 2014 20:33:41 +0000
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References: <fb21d3965cc049839cc56ad405a9542b@CO2PR05MB636.namprd05.prod.outlook.com> <93426e96480c4945a5d35aea63d15a92@CO2PR05MB636.namprd05.prod.outlook.com>
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Cc: "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "draft-chen-mpls-p2mp-egress-protection@tools.ietf.org" <draft-chen-mpls-p2mp-egress-protection@tools.ietf.org>
Subject: [mpls] change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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It has been pointed out that draft-chen-mpls-p2mp-egress-protection is actu=
ally about protection for RSVP signaled LSPs, and that it could apply to po=
int-to-point in addition to point-to-multipoint.

For this reason the authors have suggested naming the WG draft:

                draft-ietf-mpls-rsvp-egress-protection-00

If there is any objection to this name, please reply to this email by the e=
nd of this week (Friday March 14).

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Tuesday, March 11, 2014 11:20 AM
To: mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org
Subject: [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egr=
ess-protection-11

Working Group,

This poll has been closed.  We have accepted the draft as an mpls working g=
roup document.

Could the authors please re-publish the draft with no other
changes than file-name, date and version as:

draft-ietf-mpls-p2mp-egress-protection-00

After this draft has been posted, the authors should then deal with the com=
ments received during the call for adoption, following normal IETF processe=
s.

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Thursday, February 13, 2014 2:46 PM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>
Subject: [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11

This is to start a poll on adopting draft-chen-mpls-p2mp-egress-protection-=
11
as an MPLS working group document. Since many of us will be in transit to t=
he
IETF approximately two weeks from now, I will extent the poll by one week (=
so
that it will be a three week poll).

Please send your comments (support/not support) to the mpls working group
mailing list (mpls@ietf.org<mailto:mpls@ietf.org>).

This poll will end Friday March 7, 2014. Note that this is the Friday of th=
e IETF,
and thus we will each need to plan our review of the document and response
around our travel plans and IETF activities.

Thanks, Ross


--_000_233cc5ff63d84f4d904c5a7e4792f540CO2PR05MB636namprd05pro_
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">It has been pointed out t=
hat draft-chen-mpls-p2mp-egress-protection is actually about protection for=
 RSVP signaled LSPs, and that it could apply to point-to-point
 in addition to point-to-multipoint. <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">For this reason the autho=
rs have suggested naming the WG draft:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; draft-iet=
f-mpls-rsvp-egress-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">If there is any objection=
 to this name, please reply to this email by the end of this week (Friday M=
arch 14).
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [ma=
ilto:mpls-bounces@ietf.org]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Tuesday, March 11, 2014 11:20 AM<br>
<b>To:</b> mpls@ietf.org<br>
<b>Cc:</b> mpls-chairs@tools.ietf.org<br>
<b>Subject:</b> [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p=
2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Working Group,<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This poll has been closed=
.&nbsp; We have accepted the draft as an mpls working group document.<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Could the authors please =
re-publish the draft with no other<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">changes than file-name, d=
ate and version as:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">draft-ietf-mpls-p2mp-egre=
ss-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">After this draft has been=
 posted, the authors should then deal with the comments received during the=
 call for adoption, following normal IETF processes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Thursday, February 13, 2014 2:46 PM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a><br>
<b>Subject:</b> [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protec=
tion-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This is to start a poll on adopting dra=
ft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">as an MPLS working group document. Sinc=
e many of us will be in transit to the
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">IETF approximately two weeks from now, =
I will extent the poll by one week (so
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">that it will be a three week poll).
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Please send your comments (support/not =
support) to the mpls working group
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">mailing list (<a href=3D"mailto:mpls@ie=
tf.org"><span style=3D"color:windowtext">mpls@ietf.org</span></a>).<o:p></o=
:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This poll will end Friday March 7, 2014=
. Note that this is the Friday of the IETF,
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">and thus we will each need to plan our =
review of the document and response
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">around our travel plans and IETF activi=
ties.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Thanks, Ross<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</body>
</html>

--_000_233cc5ff63d84f4d904c5a7e4792f540CO2PR05MB636namprd05pro_--


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From: Yimin Shen <yshen@juniper.net>
To: Ross Callon <rcallon@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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Date: Tue, 11 Mar 2014 21:25:36 +0000
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Subject: Re: [mpls] change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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Hi,

I don't think this draft is suitable for RSVP point-to-point LSPs. This is =
because an RSVP point-to-point LSP may carry packets with an _inner_ label =
(e.g. a layer-2 or 3 VPN label, or any service label) which is allocated by=
 the protected egress router and hence can only be handled by this router. =
 The draft doesn't provide a solution that can support a backup egress rout=
er to properly forward packets based on that inner label when the packets a=
re re-rerouted to it.

This is unlike point-to-multipoint LSPs which normally carry IP packets or =
MPLS packets with upstream-assigned inner labels which we may assume to be =
known labels to backup egress routers.

>From this perspective, I think the draft should stay as "p2mp" specific.

Thanks,

Yimin Shen


From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Tuesday, March 11, 2014 4:34 PM
To: mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org; draft-chen-mpls-p2mp-egress-protection@tool=
s.ietf.org
Subject: [mpls] change of name, RE: end of poll, RE: Poll for Adoption draf=
t-chen-mpls-p2mp-egress-protection-11

It has been pointed out that draft-chen-mpls-p2mp-egress-protection is actu=
ally about protection for RSVP signaled LSPs, and that it could apply to po=
int-to-point in addition to point-to-multipoint.

For this reason the authors have suggested naming the WG draft:

                draft-ietf-mpls-rsvp-egress-protection-00

If there is any objection to this name, please reply to this email by the e=
nd of this week (Friday March 14).

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Tuesday, March 11, 2014 11:20 AM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>
Subject: [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egr=
ess-protection-11

Working Group,

This poll has been closed.  We have accepted the draft as an mpls working g=
roup document.

Could the authors please re-publish the draft with no other
changes than file-name, date and version as:

draft-ietf-mpls-p2mp-egress-protection-00

After this draft has been posted, the authors should then deal with the com=
ments received during the call for adoption, following normal IETF processe=
s.

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Thursday, February 13, 2014 2:46 PM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>
Subject: [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11

This is to start a poll on adopting draft-chen-mpls-p2mp-egress-protection-=
11
as an MPLS working group document. Since many of us will be in transit to t=
he
IETF approximately two weeks from now, I will extent the poll by one week (=
so
that it will be a three week poll).

Please send your comments (support/not support) to the mpls working group
mailing list (mpls@ietf.org<mailto:mpls@ietf.org>).

This poll will end Friday March 7, 2014. Note that this is the Friday of th=
e IETF,
and thus we will each need to plan our review of the document and response
around our travel plans and IETF activities.

Thanks, Ross


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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">I don&#8217;t think this =
draft is suitable for RSVP point-to-point LSPs. This is because an RSVP poi=
nt-to-point LSP may carry packets with an _<i>inner</i>_ label
 (e.g. a layer-2 or 3 VPN label, or any service label) which is allocated b=
y the protected egress router and hence can only be handled by this router.=
 &nbsp;The draft doesn&#8217;t provide a solution that can support a backup=
 egress router to properly forward packets
 based on that inner label when the packets are re-rerouted to it.<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This is unlike point-to-m=
ultipoint LSPs which normally carry IP packets or MPLS packets with upstrea=
m-assigned inner labels which we may assume to be known
 labels to backup egress routers.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">From this perspective, I =
think the draft should stay as &#8220;p2mp&#8221; specific.<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Yimin Shen<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [ma=
ilto:mpls-bounces@ietf.org]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Tuesday, March 11, 2014 4:34 PM<br>
<b>To:</b> mpls@ietf.org<br>
<b>Cc:</b> mpls-chairs@tools.ietf.org; draft-chen-mpls-p2mp-egress-protecti=
on@tools.ietf.org<br>
<b>Subject:</b> [mpls] change of name, RE: end of poll, RE: Poll for Adopti=
on draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">It has been pointed out t=
hat draft-chen-mpls-p2mp-egress-protection is actually about protection for=
 RSVP signaled LSPs, and that it could apply to point-to-point
 in addition to point-to-multipoint. <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">For this reason the autho=
rs have suggested naming the WG draft:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; draft-iet=
f-mpls-rsvp-egress-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">If there is any objection=
 to this name, please reply to this email by the end of this week (Friday M=
arch 14).
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Tuesday, March 11, 2014 11:20 AM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a><br>
<b>Subject:</b> [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p=
2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Working Group,<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This poll has been closed=
.&nbsp; We have accepted the draft as an mpls working group document.<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Could the authors please =
re-publish the draft with no other<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">changes than file-name, d=
ate and version as:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">draft-ietf-mpls-p2mp-egre=
ss-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">After this draft has been=
 posted, the authors should then deal with the comments received during the=
 call for adoption, following normal IETF processes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Thursday, February 13, 2014 2:46 PM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a><br>
<b>Subject:</b> [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protec=
tion-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This is to start a poll on adopting dra=
ft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">as an MPLS working group document. Sinc=
e many of us will be in transit to the
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">IETF approximately two weeks from now, =
I will extent the poll by one week (so
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">that it will be a three week poll).
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Please send your comments (support/not =
support) to the mpls working group
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">mailing list (<a href=3D"mailto:mpls@ie=
tf.org"><span style=3D"color:windowtext">mpls@ietf.org</span></a>).<o:p></o=
:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This poll will end Friday March 7, 2014=
. Note that this is the Friday of the IETF,
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">and thus we will each need to plan our =
review of the document and response
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">around our travel plans and IETF activi=
ties.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Thanks, Ross<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</body>
</html>

--_000_649f1042acc6404aa37ba117348473c2BY2PR05MB728namprd05pro_--


From nobody Tue Mar 11 14:59:07 2014
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Date: Tue, 11 Mar 2014 22:58:52 +0100
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Subject: [mpls] MPLS-TP-TE MIB module
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Dear authors,

Thinking some more about your MIB module with Adrian after the MPLS WG 
meeting, one possible outcome could be ...
Assuming that the read-create part of the MIB module is complete and 
doesn't need any extra work, keep it in the draft, and add an extra note 
such as: it's understood that SNMPSet is not used for MPLS configuration 
these days, however the read-write is still specified as a way to 
provide the information model.

Regards, Benoit


From nobody Tue Mar 11 16:31:53 2014
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To: Benoit Claise <bclaise@cisco.com>
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Cc: mpls@ietf.org, Cucchiara Joan <jcucchiara@mindspring.com>, "draft-ietf-mpls-tp-te-mib@tools.ietf.org" <draft-ietf-mpls-tp-te-mib@tools.ietf.org>
Subject: Re: [mpls] MPLS-TP-TE MIB module
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	In general, I agree with you regarding MIBs that are in-process. =
However, I believe the issue with the read-write portion of this MIB was =
that there were numerous complaints about its writable attributes during =
the final review process that will require some (possibly considerable) =
efforts to fix.=20

	--Tom


On Mar 11, 2014:2:58 PM, at 2:58 PM, Benoit Claise <bclaise@cisco.com> =
wrote:

> Dear authors,
>=20
> Thinking some more about your MIB module with Adrian after the MPLS WG =
meeting, one possible outcome could be ...
> Assuming that the read-create part of the MIB module is complete and =
doesn't need any extra work, keep it in the draft, and add an extra note =
such as: it's understood that SNMPSet is not used for MPLS configuration =
these days, however the read-write is still specified as a way to =
provide the information model.
>=20
> Regards, Benoit
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>=20


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bXBscw0K


From nobody Wed Mar 12 04:36:25 2014
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Date: Wed, 12 Mar 2014 12:36:10 +0100
From: Martin Vigoureux <martin.vigoureux@alcatel-lucent.com>
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Subject: [mpls] IETF89 - MPLS Sessions - Minutes
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All,

the minutes of the MPLS sessions are available:
http://www.ietf.org/proceedings/89/minutes/minutes-89-mpls

Please read them and let me know if I have missed something.

Please note also the "highlights" section at the beginning which authors 
might find useful as a reminder to some follow-up actions they might 
like to take.

Thanks
-m


From nobody Wed Mar 12 06:07:42 2014
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Date: Wed, 12 Mar 2014 17:07:30 +0400
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From: Dhruv Dhody <dhruv.ietf@gmail.com>
To: Loa Andersson <loa@pi.nu>
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Cc: "mpls@ietf.org" <mpls@ietf.org>, "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "draft-ietf-mpls-ldp-multi-topology@tools.ietf.org" <draft-ietf-mpls-ldp-multi-topology@tools.ietf.org>
Subject: Re: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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--089e015384fef2391a04f468840e
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Support!

Regards,
Dhruv


On Mon, Mar 10, 2014 at 12:09 PM, Loa Andersson <loa@pi.nu> wrote:

> Working Group,
>
> This is to start a one week working group last call on
> draft-ietf-mpls-ldp-multi-topology limited to the changes introduced
> since the wglc.
>
> The document is in AD review, but the changes has been such that
> we want the working group to confirm that we are comfortable with
> the changes.
>
> On behalf of the authors Dan King sent a mail to the working group
> mailing outlining the changes:
> http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html
>
> This working group last call ends eob March 17.
>
> Please send your comments (including support) to the mpls working
> group mailing list (mpls@ietf.org).
>
> /Loa
> for the MPLS wg chairs
>
> --
>
>
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>

--089e015384fef2391a04f468840e
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:courier =
new,monospace">Support!=A0</div><div class=3D"gmail_default" style=3D"font-=
family:courier new,monospace"><br></div><div class=3D"gmail_default" style=
=3D"font-family:courier new,monospace">
Regards,</div><div class=3D"gmail_default" style=3D"font-family:courier new=
,monospace">Dhruv</div></div><div class=3D"gmail_extra"><br><br><div class=
=3D"gmail_quote">On Mon, Mar 10, 2014 at 12:09 PM, Loa Andersson <span dir=
=3D"ltr">&lt;<a href=3D"mailto:loa@pi.nu" target=3D"_blank">loa@pi.nu</a>&g=
t;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Working Group,<br>
<br>
This is to start a one week working group last call on<br>
draft-ietf-mpls-ldp-multi-<u></u>topology limited to the changes introduced=
<br>
since the wglc.<br>
<br>
The document is in AD review, but the changes has been such that<br>
we want the working group to confirm that we are comfortable with<br>
the changes.<br>
<br>
On behalf of the authors Dan King sent a mail to the working group<br>
mailing outlining the changes:<br>
<a href=3D"http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html"=
 target=3D"_blank">http://www.ietf.org/mail-<u></u>archive/web/mpls/current=
/<u></u>msg11770.html</a><br>
<br>
This working group last call ends eob March 17.<br>
<br>
Please send your comments (including support) to the mpls working<br>
group mailing list (<a href=3D"mailto:mpls@ietf.org" target=3D"_blank">mpls=
@ietf.org</a>).<br>
<br>
/Loa<br>
for the MPLS wg chairs<span class=3D"HOEnZb"><font color=3D"#888888"><br>
<br>
-- <br>
<br>
<br>
Loa Andersson =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0email: <a href=
=3D"mailto:loa@mail01.huawei.com" target=3D"_blank">loa@mail01.huawei.com</=
a><br>
Senior MPLS Expert =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<a hr=
ef=3D"mailto:loa@pi.nu" target=3D"_blank">loa@pi.nu</a><br>
Huawei Technologies (consultant) =A0 =A0 phone: +46 739 81 21 64<br>
<br>
______________________________<u></u>_________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org" target=3D"_blank">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/<u></u>listinfo/mpls</a><br>
</font></span></blockquote></div><br></div>

--089e015384fef2391a04f468840e--


From nobody Wed Mar 12 06:53:09 2014
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From: "Nobo Akiya (nobo)" <nobo@cisco.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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Subject: Re: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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Support.

And great to see TFS sub-TLV already defined for MT LDP FECs.

-Nobo

> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
> Sent: Monday, March 10, 2014 4:10 AM
> To: mpls@ietf.org
> Cc: mpls-chairs@tools.ietf.org; draft-ietf-mpls-ldp-multi-
> topology@tools.ietf.org
> Subject: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
>=20
> Working Group,
>=20
> This is to start a one week working group last call on draft-ietf-mpls-ld=
p-
> multi-topology limited to the changes introduced since the wglc.
>=20
> The document is in AD review, but the changes has been such that we want
> the working group to confirm that we are comfortable with the changes.
>=20
> On behalf of the authors Dan King sent a mail to the working group mailin=
g
> outlining the changes:
> http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html
>=20
> This working group last call ends eob March 17.
>=20
> Please send your comments (including support) to the mpls working group
> mailing list (mpls@ietf.org).
>=20
> /Loa
> for the MPLS wg chairs
>=20
> --
>=20
>=20
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Wed Mar 12 07:14:43 2014
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From: Loa Andersson <loa@pi.nu>
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Cc: "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "draft-ietf-mpls-ldp-multi-topology@tools.ietf.org" <draft-ietf-mpls-ldp-multi-topology@tools.ietf.org>
Subject: Re: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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Folks,

I've a very nitty comment on terminology. In the terminology list
you say:

LDP DoD: LDP Downstream on Demand			
LDP : LDP Downstream Unsolicited

If we only have two modes DU and DoD (RFC 5036 does use the DU
abbreviation but not the DoD), and if you define LDP DoD I can agree
that it follows that the other should be DU even if you just call
it "LDP".

However I would prefer that you used "LDP DU".

/Loa

On 2014-03-12 14:52, Nobo Akiya (nobo) wrote:
> Support.
>
> And great to see TFS sub-TLV already defined for MT LDP FECs.
>
> -Nobo
>
>> -----Original Message-----
>> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
>> Sent: Monday, March 10, 2014 4:10 AM
>> To: mpls@ietf.org
>> Cc: mpls-chairs@tools.ietf.org; draft-ietf-mpls-ldp-multi-
>> topology@tools.ietf.org
>> Subject: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
>>
>> Working Group,
>>
>> This is to start a one week working group last call on draft-ietf-mpls-ldp-
>> multi-topology limited to the changes introduced since the wglc.
>>
>> The document is in AD review, but the changes has been such that we want
>> the working group to confirm that we are comfortable with the changes.
>>
>> On behalf of the authors Dan King sent a mail to the working group mailing
>> outlining the changes:
>> http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html
>>
>> This working group last call ends eob March 17.
>>
>> Please send your comments (including support) to the mpls working group
>> mailing list (mpls@ietf.org).
>>
>> /Loa
>> for the MPLS wg chairs
>>
>> --
>>
>>
>> Loa Andersson                        email: loa@mail01.huawei.com
>> Senior MPLS Expert                          loa@pi.nu
>> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>>
>> _______________________________________________
>> mpls mailing list
>> mpls@ietf.org
>> https://www.ietf.org/mailman/listinfo/mpls

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Wed Mar 12 07:20:58 2014
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Subject: Re: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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All,

Sorry the text was right, but I responded to the wrong mail.

Will resend it as as response to the other mail.

/Loa

On 2014-03-12 15:14, Loa Andersson wrote:
> Folks,
>
> I've a very nitty comment on terminology. In the terminology list
> you say:
>
> LDP DoD: LDP Downstream on Demand
> LDP : LDP Downstream Unsolicited
>
> If we only have two modes DU and DoD (RFC 5036 does use the DU
> abbreviation but not the DoD), and if you define LDP DoD I can agree
> that it follows that the other should be DU even if you just call
> it "LDP".
>
> However I would prefer that you used "LDP DU".
>
> /Loa
>
> On 2014-03-12 14:52, Nobo Akiya (nobo) wrote:
>> Support.
>>
>> And great to see TFS sub-TLV already defined for MT LDP FECs.
>>
>> -Nobo
>>
>>> -----Original Message-----
>>> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
>>> Sent: Monday, March 10, 2014 4:10 AM
>>> To: mpls@ietf.org
>>> Cc: mpls-chairs@tools.ietf.org; draft-ietf-mpls-ldp-multi-
>>> topology@tools.ietf.org
>>> Subject: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
>>>
>>> Working Group,
>>>
>>> This is to start a one week working group last call on
>>> draft-ietf-mpls-ldp-
>>> multi-topology limited to the changes introduced since the wglc.
>>>
>>> The document is in AD review, but the changes has been such that we want
>>> the working group to confirm that we are comfortable with the changes.
>>>
>>> On behalf of the authors Dan King sent a mail to the working group
>>> mailing
>>> outlining the changes:
>>> http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html
>>>
>>> This working group last call ends eob March 17.
>>>
>>> Please send your comments (including support) to the mpls working group
>>> mailing list (mpls@ietf.org).
>>>
>>> /Loa
>>> for the MPLS wg chairs
>>>
>>> --
>>>
>>>
>>> Loa Andersson                        email: loa@mail01.huawei.com
>>> Senior MPLS Expert                          loa@pi.nu
>>> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>>>
>>> _______________________________________________
>>> mpls mailing list
>>> mpls@ietf.org
>>> https://www.ietf.org/mailman/listinfo/mpls
>

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


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From: Jeff Tantsura <jeff.tantsura@ericsson.com>
To: Loa Andersson <loa@pi.nu>
Thread-Topic: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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Subject: Re: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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--_000_CF45DC544E12Djefftantsuraericssoncom_
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Yes/support

Cheers,
Jeff
On Mon, Mar 10, 2014 at 12:09 PM, Loa Andersson <loa@pi.nu<mailto:loa@pi.nu=
>> wrote:
Working Group,

This is to start a one week working group last call on
draft-ietf-mpls-ldp-multi-topology limited to the changes introduced
since the wglc.

The document is in AD review, but the changes has been such that
we want the working group to confirm that we are comfortable with
the changes.

On behalf of the authors Dan King sent a mail to the working group
mailing outlining the changes:
http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html

This working group last call ends eob March 17.

Please send your comments (including support) to the mpls working
group mailing list (mpls@ietf.org<mailto:mpls@ietf.org>).

/Loa
for the MPLS wg chairs

--


Loa Andersson                        email: loa@mail01.huawei.com<mailto:lo=
a@mail01.huawei.com>
Senior MPLS Expert                          loa@pi.nu<mailto:loa@pi.nu>
Huawei Technologies (consultant)     phone: +46 739 81 21 64

_______________________________________________
mpls mailing list
mpls@ietf.org<mailto:mpls@ietf.org>
https://www.ietf.org/mailman/listinfo/mpls


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>
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e-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-fami=
ly: Calibri, sans-serif; ">
<div>
<div>
<div>Yes/support</div>
<div>
<div><span style=3D"font-family: Calibri; "><br>
</span></div>
<div><span style=3D"font-family: Calibri; ">Cheers,</span></div>
<div><font class=3D"Apple-style-span" color=3D"#000000"><font class=3D"Appl=
e-style-span" face=3D"Calibri">Jeff</font></font></div>
</div>
</div>
</div>
<span id=3D"OLK_SRC_BODY_SECTION">
<blockquote id=3D"MAC_OUTLOOK_ATTRIBUTION_BLOCKQUOTE" style=3D"BORDER-LEFT:=
 #b5c4df 5 solid; PADDING:0 0 0 5; MARGIN:0 0 0 5;">
<div>
<div>
<div class=3D"gmail_extra">
<div class=3D"gmail_quote">On Mon, Mar 10, 2014 at 12:09 PM, Loa Andersson =
<span dir=3D"ltr">
&lt;<a href=3D"mailto:loa@pi.nu" target=3D"_blank">loa@pi.nu</a>&gt;</span>=
 wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
Working Group,<br>
<br>
This is to start a one week working group last call on<br>
draft-ietf-mpls-ldp-multi-<u></u>topology limited to the changes introduced=
<br>
since the wglc.<br>
<br>
The document is in AD review, but the changes has been such that<br>
we want the working group to confirm that we are comfortable with<br>
the changes.<br>
<br>
On behalf of the authors Dan King sent a mail to the working group<br>
mailing outlining the changes:<br>
<a href=3D"http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html"=
 target=3D"_blank">http://www.ietf.org/mail-<u></u>archive/web/mpls/current=
/<u></u>msg11770.html</a><br>
<br>
This working group last call ends eob March 17.<br>
<br>
Please send your comments (including support) to the mpls working<br>
group mailing list (<a href=3D"mailto:mpls@ietf.org" target=3D"_blank">mpls=
@ietf.org</a>).<br>
<br>
/Loa<br>
for the MPLS wg chairs<span class=3D"HOEnZb"><font color=3D"#888888"><br>
<br>
-- <br>
<br>
<br>
Loa Andersson &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp=
; &nbsp; &nbsp; &nbsp;email: <a href=3D"mailto:loa@mail01.huawei.com" targe=
t=3D"_blank">
loa@mail01.huawei.com</a><br>
Senior MPLS Expert &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href=3D"mailto:loa@pi.nu" target=3D"_b=
lank">loa@pi.nu</a><br>
Huawei Technologies (consultant) &nbsp; &nbsp; phone: &#43;46 739 81 21 64<=
br>
<br>
______________________________<u></u>_________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org" target=3D"_blank">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/<u></u>listinfo/mpls</a><br>
</font></span></blockquote>
</div>
<br>
</div>
</div>
</div>
</blockquote>
</span>
</body>
</html>

--_000_CF45DC544E12Djefftantsuraericssoncom_--


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From: "George Swallow (swallow)" <swallow@cisco.com>
To: "George Swallow (swallow)" <swallow@cisco.com>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Call for English reviewers
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Date: Wed, 12 Mar 2014 18:43:37 +0000
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Subject: Re: [mpls] Call for English reviewers
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--_000_CF462215A2CCBswallowciscocom_
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Many thanks to all the volunteers!

I believe we now have enough folks to begin with.  Over time some will drop=
 out and we will occasionally call for more volunteers.

Thanks!

George

From: George Swallow <swallow@cisco.com<mailto:swallow@cisco.com>>
Date: Friday, March 7, 2014 1:44 PM
To: "mpls@ietf.org<mailto:mpls@ietf.org>" <mpls@ietf.org<mailto:mpls@ietf.o=
rg>>
Cc: Loa Andersson <loa@pi.nu<mailto:loa@pi.nu>>, Ross Callon <rcallon@junip=
er.net<mailto:rcallon@juniper.net>>, George Swallow <swallow@cisco.com<mail=
to:swallow@cisco.com>>, "VIGOUREUX, MARTIN (MARTIN)" <martin.vigoureux@alca=
tel-lucent.com<mailto:martin.vigoureux@alcatel-lucent.com>>
Subject: Call for English reviewers

Hi -

Many of the documents that we have progressed lately have suffered and henc=
e been slowed by structure, grammar and spelling issues.  As you (should) k=
now we have a review team that review documents for the WG.  The team is ch=
arge with examining the technical content.  We'd like to add a few English =
reviewers to the team to review drafts that are otherwise ready for WG LC. =
 We also believe that improved English will make it easier for folks to rev=
iew the documents during last call.

So we'd like to add a few people who are good at writing and reviewing Engl=
ish to join the review team.

If you're willing to do this, please respond to the Chairs and Martin.

Thanks,

George

--_000_CF462215A2CCBswallowciscocom_
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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
</head>
<body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-lin=
e-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-fami=
ly: Calibri, sans-serif; ">
<div>Many thanks to all the volunteers!</div>
<div><br>
</div>
<div>I believe we now have enough folks to begin with. &nbsp;Over time some=
 will drop out and we will occasionally call for more volunteers. &nbsp;</d=
iv>
<div><br>
</div>
<div>Thanks!</div>
<div><br>
</div>
<div>George</div>
<div><br>
</div>
<span id=3D"OLK_SRC_BODY_SECTION">
<div style=3D"font-family:Calibri; font-size:11pt; text-align:left; color:b=
lack; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM:=
 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid;=
 BORDER-RIGHT: medium none; PADDING-TOP: 3pt">
<span style=3D"font-weight:bold">From: </span>George Swallow &lt;<a href=3D=
"mailto:swallow@cisco.com">swallow@cisco.com</a>&gt;<br>
<span style=3D"font-weight:bold">Date: </span>Friday, March 7, 2014 1:44 PM=
<br>
<span style=3D"font-weight:bold">To: </span>&quot;<a href=3D"mailto:mpls@ie=
tf.org">mpls@ietf.org</a>&quot; &lt;<a href=3D"mailto:mpls@ietf.org">mpls@i=
etf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Cc: </span>Loa Andersson &lt;<a href=3D"ma=
ilto:loa@pi.nu">loa@pi.nu</a>&gt;, Ross Callon &lt;<a href=3D"mailto:rcallo=
n@juniper.net">rcallon@juniper.net</a>&gt;, George Swallow &lt;<a href=3D"m=
ailto:swallow@cisco.com">swallow@cisco.com</a>&gt;, &quot;VIGOUREUX,
 MARTIN (MARTIN)&quot; &lt;<a href=3D"mailto:martin.vigoureux@alcatel-lucen=
t.com">martin.vigoureux@alcatel-lucent.com</a>&gt;<br>
<span style=3D"font-weight:bold">Subject: </span>Call for English reviewers=
<br>
</div>
<div><br>
</div>
<div>
<div style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line=
-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-famil=
y: Calibri, sans-serif; ">
<div>Hi -</div>
<div><br>
</div>
<div>Many of the documents that we have progressed lately have suffered and=
 hence been slowed by structure, grammar and spelling issues. &nbsp;As you =
(should) know we have a review team that review documents for the WG. &nbsp=
;The team is charge with examining the technical
 content. &nbsp;We'd like to add a few English reviewers to the team to rev=
iew drafts that are otherwise ready for WG LC. &nbsp;We also believe that i=
mproved English will make it easier for folks to review the documents durin=
g last call.</div>
<div><br>
</div>
<div>So we'd like to add a few people who are good at writing and reviewing=
 English to join the review team.</div>
<div><br>
</div>
<div>If you're willing to do this, please respond to the Chairs and Martin.=
</div>
<div><br>
</div>
<div>Thanks,</div>
<div><br>
</div>
<div>George</div>
</div>
</div>
</span>
</body>
</html>

--_000_CF462215A2CCBswallowciscocom_--


From nobody Wed Mar 12 16:37:59 2014
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To: Mach Chen <mach.chen@huawei.com>
From: Curtis Villamizar <curtis@ipv6.occnc.com>
In-reply-to: Your message of "Tue, 11 Mar 2014 02:25:55 -0000." <F73A3CB31E8BE34FA1BBE3C8F0CB2AE25D988C4D@SZXEMA510-MBX.china.huawei.com>
Date: Wed, 12 Mar 2014 19:32:48 -0400
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Cc: "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label
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Mach,

Two issues here.  See inline.

btw - you should put draft-chen-mpls-source-label-02 in the subject or
at least somewhere in the message body.

In message <F73A3CB31E8BE34FA1BBE3C8F0CB2AE25D988C4D@SZXEMA510-MBX.china.huawei.com>
Mach Chen writes:
> 
> Hi,
>  
> During the second MPLS session last week, there are lot of discussions
> on the source label, thanks for the discussions!
>  
> Regarding to the usage of source label, there may be some
> misunderstanding. The main purpose of source label is for OAM,
> although the source label can be applied to real packets, but it's
> optional, it depends on how you use it.

It is fine to use source label for OAM in LDP where LSPs are MP2P or
in any type of MP2P or MP2MP LSP.

The current draft should indicate that the source label is not
intended for use in source based routing.  It comes close to this in
stating "Source Labels SHOULD NOT be used for forwarding".  All of the
text regarding "steering" should be removed.  We already have ELI and
EL for that.  SL adds very little entropy.

SL is intended to be used to provide the basis for source specific
counters in MP2[M]P and for OAM that makes use of these source
specific counters.

> In addition, regarding to the depth of label stack, IMHO, this is
> proved that is not an real issue for the new generation hardware
> (chips and NPs), the depth is only related the need.

Since this is for provider use and the chips now on the market that
are in other ways appropriate for provider use don't have a severe
problem with label stack depth, this usage seems OK.  If a provider
finds that for their deployment it is not, then they can defer using
this until they get rid of the faulty equipment.  A specific line of
chips with severe stack depth issues was briefly mentioned at the
meeting but not a line of chips that is appropriate for provider use
for many reasons other than severe stack depth limitations.

> Best regards,
> Mach

Rereading the draft it would be shorter and more to the point if all
the steering and source filtering applications were removed and
strongly discouraged.  The source filtering argument is weak and
likely invalid.  Only the OAM use should remain in section 3.

Also note that steering and source filtering contradicts with the
following.

  4.2.  Transit LSR

   There is no change in forwarding behavior for transit LSRs.  But if
   a transit LSR can recognize the SLI, it can use the SL to collect
   traffic throughput and/or measure the performance of the LSP.

You should request an extended special purpose label.  In order to do
that you have to list Kireeti's special purpose label draft as
normative and cite the new registry that is created.  I'm not sure
this is a good use of one of the remaining 0-14 label space but that
is something that should be discussed on the list.

Also note that LSP_ATTRIBUTES flag bits are in short supply.  Perhaps
another mechanism should be considered.

Curtis


From nobody Wed Mar 12 19:08:59 2014
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From: Mach Chen <mach.chen@huawei.com>
To: "curtis@ipv6.occnc.com" <curtis@ipv6.occnc.com>
Thread-Topic: [mpls] Clarification on source label
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Date: Thu, 13 Mar 2014 02:08:39 +0000
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References: Your message of "Tue, 11 Mar 2014 02:25:55 -0000." <F73A3CB31E8BE34FA1BBE3C8F0CB2AE25D988C4D@SZXEMA510-MBX.china.huawei.com> <201403122332.s2CNWm1g051380@maildrop2.v6ds.occnc.com>
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Subject: Re: [mpls] Clarification on source label
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Hi Curtis,

Thanks for your comments and suggestions!

See my reply inline...

> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Curtis Villamizar
> Sent: Thursday, March 13, 2014 7:33 AM
> To: Mach Chen
> Cc: mpls@ietf.org
> Subject: Re: [mpls] Clarification on source label
>=20
>=20
> Mach,
>=20
> Two issues here.  See inline.
>=20
> btw - you should put draft-chen-mpls-source-label-02 in the subject or at=
 least
> somewhere in the message body.

Yes, my fault.

Thank you for putting it here :-)

>=20
> In message
> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE25D988C4D@SZXEMA510-MBX.china.hua
> wei.com>
> Mach Chen writes:
> >
> > Hi,
> >
> > During the second MPLS session last week, there are lot of discussions
> > on the source label, thanks for the discussions!
> >
> > Regarding to the usage of source label, there may be some
> > misunderstanding. The main purpose of source label is for OAM,
> > although the source label can be applied to real packets, but it's
> > optional, it depends on how you use it.
>=20
> It is fine to use source label for OAM in LDP where LSPs are MP2P or in a=
ny type
> of MP2P or MP2MP LSP.
>=20
> The current draft should indicate that the source label is not intended f=
or use in
> source based routing.  It comes close to this in stating "Source Labels S=
HOULD
> NOT be used for forwarding".  All of the text regarding "steering" should=
 be
> removed.  We already have ELI and EL for that.  SL adds very little entro=
py.

I am personally fine to remove those steering related text.

>=20
> SL is intended to be used to provide the basis for source specific counte=
rs in
> MP2[M]P and for OAM that makes use of these source specific counters.
>=20
> > In addition, regarding to the depth of label stack, IMHO, this is
> > proved that is not an real issue for the new generation hardware
> > (chips and NPs), the depth is only related the need.
>=20
> Since this is for provider use and the chips now on the market that are i=
n other
> ways appropriate for provider use don't have a severe problem with label =
stack
> depth, this usage seems OK.  If a provider finds that for their deploymen=
t it is
> not, then they can defer using this until they get rid of the faulty equi=
pment.  A
> specific line of chips with severe stack depth issues was briefly mention=
ed at the
> meeting but not a line of chips that is appropriate for provider use for =
many
> reasons other than severe stack depth limitations.

Agree.

>=20
> > Best regards,
> > Mach
>=20
> Rereading the draft it would be shorter and more to the point if all the =
steering
> and source filtering applications were removed and strongly discouraged. =
 The
> source filtering argument is weak and likely invalid.  Only the OAM use s=
hould
> remain in section 3.

OK.

>=20
> Also note that steering and source filtering contradicts with the followi=
ng.
>=20
>   4.2.  Transit LSR
>=20
>    There is no change in forwarding behavior for transit LSRs.  But if
>    a transit LSR can recognize the SLI, it can use the SL to collect
>    traffic throughput and/or measure the performance of the LSP.
>=20
> You should request an extended special purpose label.  In order to do tha=
t you
> have to list Kireeti's special purpose label draft as normative and cite =
the new
> registry that is created.  I'm not sure this is a good use of one of the =
remaining
> 0-14 label space but that is something that should be discussed on the li=
st.

Sure, will add the reference in the next revision.

>=20
> Also note that LSP_ATTRIBUTES flag bits are in short supply.  Perhaps ano=
ther
> mechanism should be considered.

I guess you missed this LSP_ATTRIBUTES flag [RFC5420] with the SESSION_ATTR=
IBUTE object Flags field that has only 8 bits.

According to the definition in Section 3.1. of RFC5420:

"The Attribute Flags TLV Value field is an array of units of 32 flags
   numbered from the most significant bit as bit zero.  The Length field
   for this TLV is therefore always a multiple of four bytes, regardless
   of the number of bits carried, and no padding is required.
"
Seems the LSP_Attribute Flags TLV has enough bits for using.=20


Thanks,
Mach
>=20
> Curtis
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Fri Mar 14 09:03:39 2014
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To: autumn.liu@ericsson.com, liulei.kddi@gmail.com, ning.so@tatacommunications.com, huaimo.chen@huawei.com, fengman.xu@verizon.com, mehmet_toy@cable.comcast.com, huanglu@chinamobile.com
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Dear Autumn Liu, Lei Liu, So Ning, Huaimo Chen, Fengman Xu, Mehmet Toy, Lu Huang:

 An IPR disclosure that pertains to your Internet-Draft entitled "Extensions to
RSVP-TE for LSP Egress Local Protection" (draft-chen-mpls-p2mp-egress-
protection) was submitted to the IETF Secretariat on 2014-01-31 and has been
posted on the "IETF Page of Intellectual Property Rights Disclosures"
(https://datatracker.ietf.org/ipr/2310/). The title of the IPR disclosure is
"Huawei Technologies Co.,Ltd's Statement about IPR related to draft-chen-mpls-
p2mp-egress-protection-10."");

The IETF Secretariat


From nobody Fri Mar 14 13:37:56 2014
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : Requirements for MPLS-TP Shared Mesh Protection
        Authors         : Yaacov Weingarten
                          Sam Aldrin
                          Ping Pan
                          Jeong-dong Ryoo
                          Greg Mirsky
	Filename        : draft-ietf-mpls-smp-requirements-04.txt
	Pages           : 14
	Date            : 2014-03-14

Abstract:
   This document presents the basic network objectives for the behavior
   of shared mesh protection (SMP) not based on control-plane support.
   This is an expansion of the basic requirements presented in [RFC5654]
   "Requirements for the Transport Profile of MPLS" and [RFC6372] "MPLS-
   TP Survivability Framework".  This document is to be used as a basis
   for the definition of any mechanism that would be used to implement
   SMP for MPLS-TP data paths, in networks that delegate executive
   action for resiliency to the data plane.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-smp-requirements/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-smp-requirements-04

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-smp-requirements-04


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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From: Yimin Shen <yshen@juniper.net>
To: Yimin Shen <yshen@juniper.net>, Ross Callon <rcallon@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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Date: Fri, 14 Mar 2014 23:13:52 +0000
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Cc: "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "draft-chen-mpls-p2mp-egress-protection@tools.ietf.org" <draft-chen-mpls-p2mp-egress-protection@tools.ietf.org>
Subject: Re: [mpls] change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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Hi chairs, authors,

To help make this draft more generic to cover P2P LSPs, I'd like to suggest=
 the draft to differentiate the problems faced by P2MP LSPs and P2P LSPs, a=
nd also to discuss specifically the set of problems of P2P LSPs, which are =
imposed by inner labels (i.e. service labels).

Of course, a complete solution for P2P LSP egress protection will require e=
xtensions to Layer-2/3 VPN service label distribution protocols, which may =
be out of the scope of RSVP and this draft. However, since these extensions=
 have already been addressed by some existing IETF work and drafts, this dr=
aft could refer to them in the text.

Thanks,

/Yimin


From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
Sent: Tuesday, March 11, 2014 5:26 PM
To: Ross Callon; mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org; draft-chen-mpls-p2mp-egress-protection@tool=
s.ietf.org
Subject: Re: [mpls] change of name, RE: end of poll, RE: Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11

Hi,

I don't think this draft is suitable for RSVP point-to-point LSPs. This is =
because an RSVP point-to-point LSP may carry packets with an _inner_ label =
(e.g. a layer-2 or 3 VPN label, or any service label) which is allocated by=
 the protected egress router and hence can only be handled by this router. =
 The draft doesn't provide a solution that can support a backup egress rout=
er to properly forward packets based on that inner label when the packets a=
re re-rerouted to it.

This is unlike point-to-multipoint LSPs which normally carry IP packets or =
MPLS packets with upstream-assigned inner labels which we may assume to be =
known labels to backup egress routers.

>From this perspective, I think the draft should stay as "p2mp" specific.

Thanks,

Yimin Shen


From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Tuesday, March 11, 2014 4:34 PM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>; draft-ch=
en-mpls-p2mp-egress-protection@tools.ietf.org<mailto:draft-chen-mpls-p2mp-e=
gress-protection@tools.ietf.org>
Subject: [mpls] change of name, RE: end of poll, RE: Poll for Adoption draf=
t-chen-mpls-p2mp-egress-protection-11

It has been pointed out that draft-chen-mpls-p2mp-egress-protection is actu=
ally about protection for RSVP signaled LSPs, and that it could apply to po=
int-to-point in addition to point-to-multipoint.

For this reason the authors have suggested naming the WG draft:

                draft-ietf-mpls-rsvp-egress-protection-00

If there is any objection to this name, please reply to this email by the e=
nd of this week (Friday March 14).

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Tuesday, March 11, 2014 11:20 AM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>
Subject: [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egr=
ess-protection-11

Working Group,

This poll has been closed.  We have accepted the draft as an mpls working g=
roup document.

Could the authors please re-publish the draft with no other
changes than file-name, date and version as:

draft-ietf-mpls-p2mp-egress-protection-00

After this draft has been posted, the authors should then deal with the com=
ments received during the call for adoption, following normal IETF processe=
s.

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Thursday, February 13, 2014 2:46 PM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>
Subject: [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11

This is to start a poll on adopting draft-chen-mpls-p2mp-egress-protection-=
11
as an MPLS working group document. Since many of us will be in transit to t=
he
IETF approximately two weeks from now, I will extent the poll by one week (=
so
that it will be a three week poll).

Please send your comments (support/not support) to the mpls working group
mailing list (mpls@ietf.org<mailto:mpls@ietf.org>).

This poll will end Friday March 7, 2014. Note that this is the Friday of th=
e IETF,
and thus we will each need to plan our review of the document and response
around our travel plans and IETF activities.

Thanks, Ross


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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi chairs, authors,<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">To help make this draft m=
ore generic to cover P2P LSPs, I&#8217;d like to suggest the draft to diffe=
rentiate the problems faced by P2MP LSPs and P2P LSPs, and also
 to discuss specifically the set of problems of P2P LSPs, which are imposed=
 by inner labels (i.e. service labels).
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Of course, a complete sol=
ution for P2P LSP egress protection will require extensions to Layer-2/3 VP=
N service label distribution protocols, which may be out
 of the scope of RSVP and this draft. However, since these extensions have =
already been addressed by some existing IETF work and drafts, this draft co=
uld refer to them in the text.<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">/Yimin<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [ma=
ilto:mpls-bounces@ietf.org]
<b>On Behalf Of </b>Yimin Shen<br>
<b>Sent:</b> Tuesday, March 11, 2014 5:26 PM<br>
<b>To:</b> Ross Callon; mpls@ietf.org<br>
<b>Cc:</b> mpls-chairs@tools.ietf.org; draft-chen-mpls-p2mp-egress-protecti=
on@tools.ietf.org<br>
<b>Subject:</b> Re: [mpls] change of name, RE: end of poll, RE: Poll for Ad=
option draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">I don&#8217;t think this =
draft is suitable for RSVP point-to-point LSPs. This is because an RSVP poi=
nt-to-point LSP may carry packets with an _<i>inner</i>_ label
 (e.g. a layer-2 or 3 VPN label, or any service label) which is allocated b=
y the protected egress router and hence can only be handled by this router.=
 &nbsp;The draft doesn&#8217;t provide a solution that can support a backup=
 egress router to properly forward packets
 based on that inner label when the packets are re-rerouted to it.<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This is unlike point-to-m=
ultipoint LSPs which normally carry IP packets or MPLS packets with upstrea=
m-assigned inner labels which we may assume to be known
 labels to backup egress routers.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">From this perspective, I =
think the draft should stay as &#8220;p2mp&#8221; specific.<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Yimin Shen<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Tuesday, March 11, 2014 4:34 PM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a>;
<a href=3D"mailto:draft-chen-mpls-p2mp-egress-protection@tools.ietf.org">dr=
aft-chen-mpls-p2mp-egress-protection@tools.ietf.org</a><br>
<b>Subject:</b> [mpls] change of name, RE: end of poll, RE: Poll for Adopti=
on draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">It has been pointed out t=
hat draft-chen-mpls-p2mp-egress-protection is actually about protection for=
 RSVP signaled LSPs, and that it could apply to point-to-point
 in addition to point-to-multipoint. <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">For this reason the autho=
rs have suggested naming the WG draft:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; draft-iet=
f-mpls-rsvp-egress-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">If there is any objection=
 to this name, please reply to this email by the end of this week (Friday M=
arch 14).
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Tuesday, March 11, 2014 11:20 AM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a><br>
<b>Subject:</b> [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p=
2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Working Group,<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This poll has been closed=
.&nbsp; We have accepted the draft as an mpls working group document.<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Could the authors please =
re-publish the draft with no other<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">changes than file-name, d=
ate and version as:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">draft-ietf-mpls-p2mp-egre=
ss-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">After this draft has been=
 posted, the authors should then deal with the comments received during the=
 call for adoption, following normal IETF processes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Thursday, February 13, 2014 2:46 PM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a><br>
<b>Subject:</b> [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protec=
tion-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This is to start a poll on adopting dra=
ft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">as an MPLS working group document. Sinc=
e many of us will be in transit to the
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">IETF approximately two weeks from now, =
I will extent the poll by one week (so
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">that it will be a three week poll).
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Please send your comments (support/not =
support) to the mpls working group
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">mailing list (<a href=3D"mailto:mpls@ie=
tf.org"><span style=3D"color:windowtext">mpls@ietf.org</span></a>).<o:p></o=
:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This poll will end Friday March 7, 2014=
. Note that this is the Friday of the IETF,
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">and thus we will each need to plan our =
review of the document and response
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">around our travel plans and IETF activi=
ties.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Thanks, Ross<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</body>
</html>

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From: Huaimo Chen <huaimo.chen@huawei.com>
To: Yimin Shen <yshen@juniper.net>, Ross Callon <rcallon@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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Date: Sat, 15 Mar 2014 00:09:55 +0000
Message-ID: <5316A0AB3C851246A7CA5758973207D445C4C149@SJCEML701-CHM.china.huawei.com>
References: <fb21d3965cc049839cc56ad405a9542b@CO2PR05MB636.namprd05.prod.outlook.com> <93426e96480c4945a5d35aea63d15a92@CO2PR05MB636.namprd05.prod.outlook.com> <233cc5ff63d84f4d904c5a7e4792f540@CO2PR05MB636.namprd05.prod.outlook.com> <649f1042acc6404aa37ba117348473c2@BY2PR05MB728.namprd05.prod.outlook.com> <9a39f3c347114e2197ce2bf8eb7c525d@BY2PR05MB728.namprd05.prod.outlook.com>
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Subject: Re: [mpls] change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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Hi Yimin,

Thanks much for your comments and suggestions!

     To change the file-name of the draft is to address the comment (I copy=
 and paste it below) from MPLS RT member Eric Gray, who posted his comments=
 in MPLS mailing list on Jan. 17, 2014.

                    I assume that the WG version will NOT include "p2mp" in=
 the draft

name (i.e. - it would be more likely be "draft-ietf-mpls-egress-protection"

than "draft-ietf-mpls-p2mp-egress-protection").

The draft provides some solutions for protecting the egress of  a P2P LSP.

We will consider your suggestions to make the draft more generic.

Best Regards,
Huaimo
From: Yimin Shen [mailto:yshen@juniper.net]
Sent: Friday, March 14, 2014 7:14 PM
To: Yimin Shen; Ross Callon; mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org; draft-chen-mpls-p2mp-egress-protection@tool=
s.ietf.org
Subject: RE: change of name, RE: end of poll, RE: Poll for Adoption draft-c=
hen-mpls-p2mp-egress-protection-11

Hi chairs, authors,

To help make this draft more generic to cover P2P LSPs, I'd like to suggest=
 the draft to differentiate the problems faced by P2MP LSPs and P2P LSPs, a=
nd also to discuss specifically the set of problems of P2P LSPs, which are =
imposed by inner labels (i.e. service labels).

Of course, a complete solution for P2P LSP egress protection will require e=
xtensions to Layer-2/3 VPN service label distribution protocols, which may =
be out of the scope of RSVP and this draft. However, since these extensions=
 have already been addressed by some existing IETF work and drafts, this dr=
aft could refer to them in the text.

Thanks,

/Yimin


From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
Sent: Tuesday, March 11, 2014 5:26 PM
To: Ross Callon; mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>; draft-ch=
en-mpls-p2mp-egress-protection@tools.ietf.org<mailto:draft-chen-mpls-p2mp-e=
gress-protection@tools.ietf.org>
Subject: Re: [mpls] change of name, RE: end of poll, RE: Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11

Hi,

I don't think this draft is suitable for RSVP point-to-point LSPs. This is =
because an RSVP point-to-point LSP may carry packets with an _inner_ label =
(e.g. a layer-2 or 3 VPN label, or any service label) which is allocated by=
 the protected egress router and hence can only be handled by this router. =
 The draft doesn't provide a solution that can support a backup egress rout=
er to properly forward packets based on that inner label when the packets a=
re re-rerouted to it.

This is unlike point-to-multipoint LSPs which normally carry IP packets or =
MPLS packets with upstream-assigned inner labels which we may assume to be =
known labels to backup egress routers.

>From this perspective, I think the draft should stay as "p2mp" specific.

Thanks,

Yimin Shen


From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Tuesday, March 11, 2014 4:34 PM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>; draft-ch=
en-mpls-p2mp-egress-protection@tools.ietf.org<mailto:draft-chen-mpls-p2mp-e=
gress-protection@tools.ietf.org>
Subject: [mpls] change of name, RE: end of poll, RE: Poll for Adoption draf=
t-chen-mpls-p2mp-egress-protection-11

It has been pointed out that draft-chen-mpls-p2mp-egress-protection is actu=
ally about protection for RSVP signaled LSPs, and that it could apply to po=
int-to-point in addition to point-to-multipoint.

For this reason the authors have suggested naming the WG draft:

                draft-ietf-mpls-rsvp-egress-protection-00

If there is any objection to this name, please reply to this email by the e=
nd of this week (Friday March 14).

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Tuesday, March 11, 2014 11:20 AM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>
Subject: [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egr=
ess-protection-11

Working Group,

This poll has been closed.  We have accepted the draft as an mpls working g=
roup document.

Could the authors please re-publish the draft with no other
changes than file-name, date and version as:

draft-ietf-mpls-p2mp-egress-protection-00

After this draft has been posted, the authors should then deal with the com=
ments received during the call for adoption, following normal IETF processe=
s.

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Thursday, February 13, 2014 2:46 PM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>
Subject: [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11

This is to start a poll on adopting draft-chen-mpls-p2mp-egress-protection-=
11
as an MPLS working group document. Since many of us will be in transit to t=
he
IETF approximately two weeks from now, I will extent the poll by one week (=
so
that it will be a three week poll).

Please send your comments (support/not support) to the mpls working group
mailing list (mpls@ietf.org<mailto:mpls@ietf.org>).

This poll will end Friday March 7, 2014. Note that this is the Friday of th=
e IETF,
and thus we will each need to plan our review of the document and response
around our travel plans and IETF activities.

Thanks, Ross


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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Yimin,<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal" style=3D"text-indent:9.0pt"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">Thanks much for your comments and suggestions!<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:9.0pt"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;
</span><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quo=
t;sans-serif&quot;;color:#1F497D">&nbsp;To change the file-name of the draf=
t is to address the comment (I copy and paste it below) from MPLS RT member=
 Eric Gray, who posted his comments in MPLS mailing list on
 Jan. 17, 2014. <o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span style=3D"color:#1F497D">&nbsp;&nbsp;&nbsp;&=
nbsp;</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; I assume that the WG version will
<b><i>NOT</i></b> include &quot;p2mp&quot; in the draft<o:p></o:p></p>
<p class=3D"MsoPlainText">name (i.e. - it would be more likely be &quot;<b>=
<i>draft-ietf-mpls-egress-protection</i></b>&quot;<o:p></o:p></p>
<p class=3D"MsoPlainText">than &quot;draft-ietf-mpls-<u>p2mp</u>-egress-pro=
tection&quot;).<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal" style=3D"text-indent:9.0pt"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">The draft provides some solutions for protecting the egress of &nbsp;a P=
2P LSP. &nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:9.0pt"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:9.0pt"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">We will consider your suggestions to make the draft more generic.<o:p></=
o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best Regards,<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Huaimo<o:p></o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Yimin Sh=
en [mailto:yshen@juniper.net]
<br>
<b>Sent:</b> Friday, March 14, 2014 7:14 PM<br>
<b>To:</b> Yimin Shen; Ross Callon; mpls@ietf.org<br>
<b>Cc:</b> mpls-chairs@tools.ietf.org; draft-chen-mpls-p2mp-egress-protecti=
on@tools.ietf.org<br>
<b>Subject:</b> RE: change of name, RE: end of poll, RE: Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi chairs, authors,<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">To help make this draft m=
ore generic to cover P2P LSPs, I&#8217;d like to suggest the draft to diffe=
rentiate the problems faced by P2MP LSPs and P2P LSPs, and also
 to discuss specifically the set of problems of P2P LSPs, which are imposed=
 by inner labels (i.e. service labels).
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Of course, a complete sol=
ution for P2P LSP egress protection will require extensions to Layer-2/3 VP=
N service label distribution protocols, which may be out
 of the scope of RSVP and this draft. However, since these extensions have =
already been addressed by some existing IETF work and drafts, this draft co=
uld refer to them in the text.<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">/Yimin<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Yimin Shen<br>
<b>Sent:</b> Tuesday, March 11, 2014 5:26 PM<br>
<b>To:</b> Ross Callon; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><=
br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a>;
<a href=3D"mailto:draft-chen-mpls-p2mp-egress-protection@tools.ietf.org">dr=
aft-chen-mpls-p2mp-egress-protection@tools.ietf.org</a><br>
<b>Subject:</b> Re: [mpls] change of name, RE: end of poll, RE: Poll for Ad=
option draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">I don&#8217;t think this =
draft is suitable for RSVP point-to-point LSPs. This is because an RSVP poi=
nt-to-point LSP may carry packets with an _<i>inner</i>_ label
 (e.g. a layer-2 or 3 VPN label, or any service label) which is allocated b=
y the protected egress router and hence can only be handled by this router.=
 &nbsp;The draft doesn&#8217;t provide a solution that can support a backup=
 egress router to properly forward packets
 based on that inner label when the packets are re-rerouted to it.<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This is unlike point-to-m=
ultipoint LSPs which normally carry IP packets or MPLS packets with upstrea=
m-assigned inner labels which we may assume to be known
 labels to backup egress routers.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">From this perspective, I =
think the draft should stay as &#8220;p2mp&#8221; specific.<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Yimin Shen<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Tuesday, March 11, 2014 4:34 PM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a>;
<a href=3D"mailto:draft-chen-mpls-p2mp-egress-protection@tools.ietf.org">dr=
aft-chen-mpls-p2mp-egress-protection@tools.ietf.org</a><br>
<b>Subject:</b> [mpls] change of name, RE: end of poll, RE: Poll for Adopti=
on draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">It has been pointed out t=
hat draft-chen-mpls-p2mp-egress-protection is actually about protection for=
 RSVP signaled LSPs, and that it could apply to point-to-point
 in addition to point-to-multipoint. <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">For this reason the autho=
rs have suggested naming the WG draft:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; draft-iet=
f-mpls-rsvp-egress-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">If there is any objection=
 to this name, please reply to this email by the end of this week (Friday M=
arch 14).
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Tuesday, March 11, 2014 11:20 AM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a><br>
<b>Subject:</b> [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p=
2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Working Group,<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This poll has been closed=
.&nbsp; We have accepted the draft as an mpls working group document.<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Could the authors please =
re-publish the draft with no other<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">changes than file-name, d=
ate and version as:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">draft-ietf-mpls-p2mp-egre=
ss-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">After this draft has been=
 posted, the authors should then deal with the comments received during the=
 call for adoption, following normal IETF processes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Thursday, February 13, 2014 2:46 PM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a><br>
<b>Subject:</b> [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protec=
tion-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This is to start a poll on adopting dra=
ft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">as an MPLS working group document. Sinc=
e many of us will be in transit to the
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">IETF approximately two weeks from now, =
I will extent the poll by one week (so
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">that it will be a three week poll).
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Please send your comments (support/not =
support) to the mpls working group
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">mailing list (<a href=3D"mailto:mpls@ie=
tf.org"><span style=3D"color:windowtext">mpls@ietf.org</span></a>).<o:p></o=
:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This poll will end Friday March 7, 2014=
. Note that this is the Friday of the IETF,
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">and thus we will each need to plan our =
review of the document and response
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">around our travel plans and IETF activi=
ties.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Thanks, Ross<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</body>
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From: Autumn Liu <autumn.liu@ericsson.com>
To: Yimin Shen <yshen@juniper.net>, Ross Callon <rcallon@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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Archived-At: http://mailarchive.ietf.org/arch/msg/mpls/JH1XzunamPuG6PPI-Mcx_C2OIUo
Cc: "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "draft-chen-mpls-p2mp-egress-protection@tools.ietf.org" <draft-chen-mpls-p2mp-egress-protection@tools.ietf.org>
Subject: Re: [mpls] change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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I am ok with the name change, and agree with Yimin that the egress protecti=
on of p2p LSP needs to be addressed specifically with the draft.
-Autumn

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
Sent: Friday, March 14, 2014 4:14 PM
To: Yimin Shen; Ross Callon; mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org; draft-chen-mpls-p2mp-egress-protection@tool=
s.ietf.org
Subject: Re: [mpls] change of name, RE: end of poll, RE: Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11

Hi chairs, authors,

To help make this draft more generic to cover P2P LSPs, I'd like to suggest=
 the draft to differentiate the problems faced by P2MP LSPs and P2P LSPs, a=
nd also to discuss specifically the set of problems of P2P LSPs, which are =
imposed by inner labels (i.e. service labels).

Of course, a complete solution for P2P LSP egress protection will require e=
xtensions to Layer-2/3 VPN service label distribution protocols, which may =
be out of the scope of RSVP and this draft. However, since these extensions=
 have already been addressed by some existing IETF work and drafts, this dr=
aft could refer to them in the text.

Thanks,

/Yimin


From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
Sent: Tuesday, March 11, 2014 5:26 PM
To: Ross Callon; mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>; draft-ch=
en-mpls-p2mp-egress-protection@tools.ietf.org<mailto:draft-chen-mpls-p2mp-e=
gress-protection@tools.ietf.org>
Subject: Re: [mpls] change of name, RE: end of poll, RE: Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11

Hi,

I don't think this draft is suitable for RSVP point-to-point LSPs. This is =
because an RSVP point-to-point LSP may carry packets with an _inner_ label =
(e.g. a layer-2 or 3 VPN label, or any service label) which is allocated by=
 the protected egress router and hence can only be handled by this router. =
 The draft doesn't provide a solution that can support a backup egress rout=
er to properly forward packets based on that inner label when the packets a=
re re-rerouted to it.

This is unlike point-to-multipoint LSPs which normally carry IP packets or =
MPLS packets with upstream-assigned inner labels which we may assume to be =
known labels to backup egress routers.

>From this perspective, I think the draft should stay as "p2mp" specific.

Thanks,

Yimin Shen


From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Tuesday, March 11, 2014 4:34 PM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>; draft-ch=
en-mpls-p2mp-egress-protection@tools.ietf.org<mailto:draft-chen-mpls-p2mp-e=
gress-protection@tools.ietf.org>
Subject: [mpls] change of name, RE: end of poll, RE: Poll for Adoption draf=
t-chen-mpls-p2mp-egress-protection-11

It has been pointed out that draft-chen-mpls-p2mp-egress-protection is actu=
ally about protection for RSVP signaled LSPs, and that it could apply to po=
int-to-point in addition to point-to-multipoint.

For this reason the authors have suggested naming the WG draft:

                draft-ietf-mpls-rsvp-egress-protection-00

If there is any objection to this name, please reply to this email by the e=
nd of this week (Friday March 14).

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Tuesday, March 11, 2014 11:20 AM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>
Subject: [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egr=
ess-protection-11

Working Group,

This poll has been closed.  We have accepted the draft as an mpls working g=
roup document.

Could the authors please re-publish the draft with no other
changes than file-name, date and version as:

draft-ietf-mpls-p2mp-egress-protection-00

After this draft has been posted, the authors should then deal with the com=
ments received during the call for adoption, following normal IETF processe=
s.

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Thursday, February 13, 2014 2:46 PM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>
Subject: [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11

This is to start a poll on adopting draft-chen-mpls-p2mp-egress-protection-=
11
as an MPLS working group document. Since many of us will be in transit to t=
he
IETF approximately two weeks from now, I will extent the poll by one week (=
so
that it will be a three week poll).

Please send your comments (support/not support) to the mpls working group
mailing list (mpls@ietf.org<mailto:mpls@ietf.org>).

This poll will end Friday March 7, 2014. Note that this is the Friday of th=
e IETF,
and thus we will each need to plan our review of the document and response
around our travel plans and IETF activities.

Thanks, Ross


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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">I am ok with the name cha=
nge, and agree with Yimin that the egress protection of p2p LSP needs to be=
 addressed specifically with the draft.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">-Autumn<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [ma=
ilto:mpls-bounces@ietf.org]
<b>On Behalf Of </b>Yimin Shen<br>
<b>Sent:</b> Friday, March 14, 2014 4:14 PM<br>
<b>To:</b> Yimin Shen; Ross Callon; mpls@ietf.org<br>
<b>Cc:</b> mpls-chairs@tools.ietf.org; draft-chen-mpls-p2mp-egress-protecti=
on@tools.ietf.org<br>
<b>Subject:</b> Re: [mpls] change of name, RE: end of poll, RE: Poll for Ad=
option draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi chairs, authors,<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">To help make this draft m=
ore generic to cover P2P LSPs, I&#8217;d like to suggest the draft to diffe=
rentiate the problems faced by P2MP LSPs and P2P LSPs, and also
 to discuss specifically the set of problems of P2P LSPs, which are imposed=
 by inner labels (i.e. service labels).
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Of course, a complete sol=
ution for P2P LSP egress protection will require extensions to Layer-2/3 VP=
N service label distribution protocols, which may be out
 of the scope of RSVP and this draft. However, since these extensions have =
already been addressed by some existing IETF work and drafts, this draft co=
uld refer to them in the text.<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">/Yimin<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Yimin Shen<br>
<b>Sent:</b> Tuesday, March 11, 2014 5:26 PM<br>
<b>To:</b> Ross Callon; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><=
br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a>;
<a href=3D"mailto:draft-chen-mpls-p2mp-egress-protection@tools.ietf.org">dr=
aft-chen-mpls-p2mp-egress-protection@tools.ietf.org</a><br>
<b>Subject:</b> Re: [mpls] change of name, RE: end of poll, RE: Poll for Ad=
option draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">I don&#8217;t think this =
draft is suitable for RSVP point-to-point LSPs. This is because an RSVP poi=
nt-to-point LSP may carry packets with an _<i>inner</i>_ label
 (e.g. a layer-2 or 3 VPN label, or any service label) which is allocated b=
y the protected egress router and hence can only be handled by this router.=
 &nbsp;The draft doesn&#8217;t provide a solution that can support a backup=
 egress router to properly forward packets
 based on that inner label when the packets are re-rerouted to it.<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This is unlike point-to-m=
ultipoint LSPs which normally carry IP packets or MPLS packets with upstrea=
m-assigned inner labels which we may assume to be known
 labels to backup egress routers.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">From this perspective, I =
think the draft should stay as &#8220;p2mp&#8221; specific.<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Yimin Shen<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Tuesday, March 11, 2014 4:34 PM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a>;
<a href=3D"mailto:draft-chen-mpls-p2mp-egress-protection@tools.ietf.org">dr=
aft-chen-mpls-p2mp-egress-protection@tools.ietf.org</a><br>
<b>Subject:</b> [mpls] change of name, RE: end of poll, RE: Poll for Adopti=
on draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">It has been pointed out t=
hat draft-chen-mpls-p2mp-egress-protection is actually about protection for=
 RSVP signaled LSPs, and that it could apply to point-to-point
 in addition to point-to-multipoint. <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">For this reason the autho=
rs have suggested naming the WG draft:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; draft-iet=
f-mpls-rsvp-egress-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">If there is any objection=
 to this name, please reply to this email by the end of this week (Friday M=
arch 14).
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Tuesday, March 11, 2014 11:20 AM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a><br>
<b>Subject:</b> [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p=
2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Working Group,<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This poll has been closed=
.&nbsp; We have accepted the draft as an mpls working group document.<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Could the authors please =
re-publish the draft with no other<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">changes than file-name, d=
ate and version as:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">draft-ietf-mpls-p2mp-egre=
ss-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">After this draft has been=
 posted, the authors should then deal with the comments received during the=
 call for adoption, following normal IETF processes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Thursday, February 13, 2014 2:46 PM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a><br>
<b>Subject:</b> [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protec=
tion-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This is to start a poll on adopting dra=
ft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">as an MPLS working group document. Sinc=
e many of us will be in transit to the
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">IETF approximately two weeks from now, =
I will extent the poll by one week (so
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">that it will be a three week poll).
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Please send your comments (support/not =
support) to the mpls working group
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">mailing list (<a href=3D"mailto:mpls@ie=
tf.org"><span style=3D"color:windowtext">mpls@ietf.org</span></a>).<o:p></o=
:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This poll will end Friday March 7, 2014=
. Note that this is the Friday of the IETF,
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">and thus we will each need to plan our =
review of the document and response
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">around our travel plans and IETF activi=
ties.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Thanks, Ross<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</body>
</html>

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From: Sam Aldrin <aldrin.ietf@gmail.com>
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To: Yimin Shen <yshen@juniper.net>
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Cc: Ross Callon <rcallon@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>, "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "draft-chen-mpls-p2mp-egress-protection@tools.ietf.org" <draft-chen-mpls-p2mp-egress-protection@tools.ietf.org>
Subject: Re: [mpls] change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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I prefer the document cover both p2p and p2mp and keep the title without =
specifically mentioning p2p or p2mp.
If there is work to be done to make it generic, authors should edit the =
doc to reflect the same rather than making it p2mp specific.

cheers
-sam

On Mar 14, 2014, at 4:13 PM, Yimin Shen <yshen@juniper.net> wrote:

> Hi chairs, authors,
> =20
> To help make this draft more generic to cover P2P LSPs, I=92d like to =
suggest the draft to differentiate the problems faced by P2MP LSPs and =
P2P LSPs, and also to discuss specifically the set of problems of P2P =
LSPs, which are imposed by inner labels (i.e. service labels).
> =20
> Of course, a complete solution for P2P LSP egress protection will =
require extensions to Layer-2/3 VPN service label distribution =
protocols, which may be out of the scope of RSVP and this draft. =
However, since these extensions have already been addressed by some =
existing IETF work and drafts, this draft could refer to them in the =
text.
> =20
> Thanks,
> =20
> /Yimin
> =20
> =20
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> Sent: Tuesday, March 11, 2014 5:26 PM
> To: Ross Callon; mpls@ietf.org
> Cc: mpls-chairs@tools.ietf.org; =
draft-chen-mpls-p2mp-egress-protection@tools.ietf.org
> Subject: Re: [mpls] change of name, RE: end of poll, RE: Poll for =
Adoption draft-chen-mpls-p2mp-egress-protection-11
> =20
> Hi,
> =20
> I don=92t think this draft is suitable for RSVP point-to-point LSPs. =
This is because an RSVP point-to-point LSP may carry packets with an =
_inner_ label (e.g. a layer-2 or 3 VPN label, or any service label) =
which is allocated by the protected egress router and hence can only be =
handled by this router.  The draft doesn=92t provide a solution that can =
support a backup egress router to properly forward packets based on that =
inner label when the packets are re-rerouted to it.
> =20
> This is unlike point-to-multipoint LSPs which normally carry IP =
packets or MPLS packets with upstream-assigned inner labels which we may =
assume to be known labels to backup egress routers.
> =20
> =46rom this perspective, I think the draft should stay as =93p2mp=94 =
specific.
> =20
> Thanks,
> =20
> Yimin Shen
> =20
> =20
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
> Sent: Tuesday, March 11, 2014 4:34 PM
> To: mpls@ietf.org
> Cc: mpls-chairs@tools.ietf.org; =
draft-chen-mpls-p2mp-egress-protection@tools.ietf.org
> Subject: [mpls] change of name, RE: end of poll, RE: Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11
> =20
> It has been pointed out that draft-chen-mpls-p2mp-egress-protection is =
actually about protection for RSVP signaled LSPs, and that it could =
apply to point-to-point in addition to point-to-multipoint.
> =20
> For this reason the authors have suggested naming the WG draft:
> =20
>                 draft-ietf-mpls-rsvp-egress-protection-00
> =20
> If there is any objection to this name, please reply to this email by =
the end of this week (Friday March 14).
> =20
> Thanks, Ross
> (as WG co-chair)
> =20
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
> Sent: Tuesday, March 11, 2014 11:20 AM
> To: mpls@ietf.org
> Cc: mpls-chairs@tools.ietf.org
> Subject: [mpls] end of poll, RE: Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11
> =20
> Working Group,
> =20
> This poll has been closed.  We have accepted the draft as an mpls =
working group document.
> =20
> Could the authors please re-publish the draft with no other
> changes than file-name, date and version as:
> =20
> draft-ietf-mpls-p2mp-egress-protection-00
> =20
> After this draft has been posted, the authors should then deal with =
the comments received during the call for adoption, following normal =
IETF processes.
> =20
> Thanks, Ross
> (as WG co-chair)
> =20
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
> Sent: Thursday, February 13, 2014 2:46 PM
> To: mpls@ietf.org
> Cc: mpls-chairs@tools.ietf.org
> Subject: [mpls] Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11
> =20
> This is to start a poll on adopting =
draft-chen-mpls-p2mp-egress-protection-11
> as an MPLS working group document. Since many of us will be in transit =
to the
> IETF approximately two weeks from now, I will extent the poll by one =
week (so
> that it will be a three week poll).
> =20
> Please send your comments (support/not support) to the mpls working =
group
> mailing list (mpls@ietf.org).
> =20
> This poll will end Friday March 7, 2014. Note that this is the Friday =
of the IETF,
> and thus we will each need to plan our review of the document and =
response
> around our travel plans and IETF activities.
> =20
> Thanks, Ross
> =20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


--Apple-Mail=_2BBB5497-1FDE-4041-B0BD-10FB104212F6
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dwindows-1252"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">I =
prefer the document cover both p2p and p2mp and keep the title without =
specifically mentioning p2p or p2mp.<div>If there is work to be done to =
make it generic, authors should edit the doc to reflect the same rather =
than making it p2mp =
specific.</div><div><br></div><div>cheers</div><div>-sam<br><div><br><div>=
<div>On Mar 14, 2014, at 4:13 PM, Yimin Shen &lt;<a =
href=3D"mailto:yshen@juniper.net">yshen@juniper.net</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite"><div lang=3D"EN-US" link=3D"blue" vlink=3D"purple" =
style=3D"font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; orphans: auto; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; widows: auto; word-spacing: =
0px; -webkit-text-stroke-width: 0px;"><div class=3D"WordSection1" =
style=3D"page: WordSection1;"><div style=3D"margin: 0in 0in 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">Hi chairs, authors,<o:p></o:p></span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">To help make this draft =
more generic to cover P2P LSPs, I=92d like to suggest the draft to =
differentiate the problems faced by P2MP LSPs and P2P LSPs, and also to =
discuss specifically the set of problems of P2P LSPs, which are imposed =
by inner labels (i.e. service labels).<o:p></o:p></span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">Of course, a complete =
solution for P2P LSP egress protection will require extensions to =
Layer-2/3 VPN service label distribution protocols, which may be out of =
the scope of RSVP and this draft. However, since these extensions have =
already been addressed by some existing IETF work and drafts, this draft =
could refer to them in the text.<o:p></o:p></span></div><div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, =
125);">Thanks,<o:p></o:p></span></div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">/Yimin<o:p></o:p></span></div><div style=3D"margin: =
0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, =
125);">&nbsp;</span></div><div><div style=3D"border-style: solid none =
none; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; =
padding: 3pt 0in 0in;"><div style=3D"margin: 0in 0in 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span =
style=3D"font-size: 10pt; font-family: Tahoma, =
sans-serif;">From:</span></b><span style=3D"font-size: 10pt; =
font-family: Tahoma, sans-serif;"><span =
class=3D"Apple-converted-space">&nbsp;</span>mpls [<a =
href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]<sp=
an class=3D"Apple-converted-space">&nbsp;</span><b>On Behalf Of<span =
class=3D"Apple-converted-space">&nbsp;</span></b>Yimin =
Shen<br><b>Sent:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Tuesday, March 11, 2014 =
5:26 PM<br><b>To:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Ross Callon; <a =
href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br><b>Cc:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.ietf.org</a>;=
 <a =
href=3D"mailto:draft-chen-mpls-p2mp-egress-protection@tools.ietf.org">draf=
t-chen-mpls-p2mp-egress-protection@tools.ietf.org</a><br><b>Subject:</b><s=
pan class=3D"Apple-converted-space">&nbsp;</span>Re: [mpls] change of =
name, RE: end of poll, RE: Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></div></div></d=
iv><div style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: =
'Times New Roman', serif;"><o:p>&nbsp;</o:p></div><div style=3D"margin: =
0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">Hi,<o:p></o:p></span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">I don=92t think this =
draft is suitable for RSVP point-to-point LSPs. This is because an RSVP =
point-to-point LSP may carry packets with an _<i>inner</i>_ label (e.g. =
a layer-2 or 3 VPN label, or any service label) which is allocated by =
the protected egress router and hence can only be handled by this =
router. &nbsp;The draft doesn=92t provide a solution that can support a =
backup egress router to properly forward packets based on that inner =
label when the packets are re-rerouted to =
it.<o:p></o:p></span></div><div style=3D"margin: 0in 0in 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">This is unlike point-to-multipoint LSPs which =
normally carry IP packets or MPLS packets with upstream-assigned inner =
labels which we may assume to be known labels to backup egress =
routers.<o:p></o:p></span></div><div style=3D"margin: 0in 0in 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">=46rom this perspective, I think the draft should =
stay as =93p2mp=94 specific.<o:p></o:p></span></div><div style=3D"margin: =
0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, =
125);">Thanks,<o:p></o:p></span></div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">Yimin Shen<o:p></o:p></span></div><div style=3D"margin:=
 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, =
125);">&nbsp;</span></div><div><div style=3D"border-style: solid none =
none; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; =
padding: 3pt 0in 0in;"><div style=3D"margin: 0in 0in 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span =
style=3D"font-size: 10pt; font-family: Tahoma, =
sans-serif;">From:</span></b><span style=3D"font-size: 10pt; =
font-family: Tahoma, sans-serif;"><span =
class=3D"Apple-converted-space">&nbsp;</span>mpls [<a =
href=3D"mailto:mpls-bounces@ietf.org" style=3D"color: purple; =
text-decoration: underline;">mailto:mpls-bounces@ietf.org</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><b>On Behalf Of<span =
class=3D"Apple-converted-space">&nbsp;</span></b>Ross =
Callon<br><b>Sent:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Tuesday, March 11, 2014 =
4:34 PM<br><b>To:</b><span class=3D"Apple-converted-space">&nbsp;</span><a=
 href=3D"mailto:mpls@ietf.org" style=3D"color: purple; text-decoration: =
underline;">mpls@ietf.org</a><br><b>Cc:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:mpls-chairs@tools.ietf.org" style=3D"color: purple; =
text-decoration: underline;">mpls-chairs@tools.ietf.org</a>;<span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:draft-chen-mpls-p2mp-egress-protection@tools.ietf.org" =
style=3D"color: purple; text-decoration: =
underline;">draft-chen-mpls-p2mp-egress-protection@tools.ietf.org</a><br><=
b>Subject:</b><span class=3D"Apple-converted-space">&nbsp;</span>[mpls] =
change of name, RE: end of poll, RE: Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></div></div></d=
iv><div style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: =
'Times New Roman', serif;"><o:p>&nbsp;</o:p></div><div style=3D"margin: =
0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">It has been pointed out that =
draft-chen-mpls-p2mp-egress-protection is actually about protection for =
RSVP signaled LSPs, and that it could apply to point-to-point in =
addition to point-to-multipoint.<o:p></o:p></span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">For this reason the =
authors have suggested naming the WG draft:<o:p></o:p></span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, =
125);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp; =
draft-ietf-mpls-rsvp-egress-protection-00<o:p></o:p></span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">If there is any objection =
to this name, please reply to this email by the end of this week (Friday =
March 14).<o:p></o:p></span></div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">Thanks, Ross<o:p></o:p></span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">(as WG =
co-chair)<o:p></o:p></span></div><div style=3D"margin: 0in 0in 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div><div style=3D"border-style: =
solid none none; border-top-color: rgb(181, 196, 223); border-top-width: =
1pt; padding: 3pt 0in 0in;"><div style=3D"margin: 0in 0in 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span =
style=3D"font-size: 10pt; font-family: Tahoma, =
sans-serif;">From:</span></b><span style=3D"font-size: 10pt; =
font-family: Tahoma, sans-serif;"><span =
class=3D"Apple-converted-space">&nbsp;</span>mpls [<a =
href=3D"mailto:mpls-bounces@ietf.org" style=3D"color: purple; =
text-decoration: underline;">mailto:mpls-bounces@ietf.org</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><b>On Behalf Of<span =
class=3D"Apple-converted-space">&nbsp;</span></b>Ross =
Callon<br><b>Sent:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Tuesday, March 11, 2014 =
11:20 AM<br><b>To:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:mpls@ietf.org" style=3D"color: purple; text-decoration: =
underline;">mpls@ietf.org</a><br><b>Cc:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:mpls-chairs@tools.ietf.org" style=3D"color: purple; =
text-decoration: =
underline;">mpls-chairs@tools.ietf.org</a><br><b>Subject:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>[mpls] end of poll, RE: =
Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></div></div></d=
iv><div style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: =
'Times New Roman', serif;"><o:p>&nbsp;</o:p></div><div style=3D"margin: =
0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">Working =
Group,<o:p></o:p></span></div><div style=3D"margin: 0in 0in 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">This poll has been closed.&nbsp; We have accepted the =
draft as an mpls working group document.<o:p></o:p></span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">Could the authors please =
re-publish the draft with no other<o:p></o:p></span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">changes than file-name, =
date and version as:<o:p></o:p></span></div><div style=3D"margin: 0in =
0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, =
125);">draft-ietf-mpls-p2mp-egress-protection-00<o:p></o:p></span></div><d=
iv style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: =
'Times New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">&nbsp;</span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">After this draft has been =
posted, the authors should then deal with the comments received during =
the call for adoption, following normal IETF =
processes.<o:p></o:p></span></div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">Thanks, Ross<o:p></o:p></span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);">(as WG =
co-chair)<o:p></o:p></span></div><div style=3D"margin: 0in 0in 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);">&nbsp;</span></div><div><div style=3D"border-style: =
solid none none; border-top-color: rgb(181, 196, 223); border-top-width: =
1pt; padding: 3pt 0in 0in;"><div style=3D"margin: 0in 0in 0.0001pt; =
font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span =
style=3D"font-size: 10pt; font-family: Tahoma, =
sans-serif;">From:</span></b><span style=3D"font-size: 10pt; =
font-family: Tahoma, sans-serif;"><span =
class=3D"Apple-converted-space">&nbsp;</span>mpls [<a =
href=3D"mailto:mpls-bounces@ietf.org" style=3D"color: purple; =
text-decoration: underline;">mailto:mpls-bounces@ietf.org</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><b>On Behalf Of<span =
class=3D"Apple-converted-space">&nbsp;</span></b>Ross =
Callon<br><b>Sent:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Thursday, February 13, 2014 =
2:46 PM<br><b>To:</b><span class=3D"Apple-converted-space">&nbsp;</span><a=
 href=3D"mailto:mpls@ietf.org" style=3D"color: purple; text-decoration: =
underline;">mpls@ietf.org</a><br><b>Cc:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:mpls-chairs@tools.ietf.org" style=3D"color: purple; =
text-decoration: =
underline;">mpls-chairs@tools.ietf.org</a><br><b>Subject:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>[mpls] Poll for Adoption =
draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></div></div></d=
iv><div style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: =
'Times New Roman', serif;"><o:p>&nbsp;</o:p></div><div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif;">This is to start a poll on adopting =
draft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></div></div><di=
v><div style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: =
'Times New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif;">as an MPLS working group document. Since many of =
us will be in transit to the<o:p></o:p></span></div><div style=3D"margin: =
0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif;">IETF approximately two weeks from now, I will extent the =
poll by one week (so<o:p></o:p></span></div><div style=3D"margin: 0in =
0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif;">that it will be a three week =
poll).<o:p></o:p></span></div></div><div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif;">&nbsp;<o:p></o:p></span></div></div><div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif;">Please send your comments (support/not support) to =
the mpls working group<o:p></o:p></span></div><div style=3D"margin: 0in =
0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif;">mailing list (<a href=3D"mailto:mpls@ietf.org" =
style=3D"color: purple; text-decoration: underline;"><span style=3D"color:=
 =
windowtext;">mpls@ietf.org</span></a>).<o:p></o:p></span></div></div><div>=
<div style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: =
'Times New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif;">&nbsp;<o:p></o:p></span></div></div><div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif;">This poll will end Friday March 7, 2014. Note that =
this is the Friday of the IETF,<o:p></o:p></span></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif;">and thus we will each need to plan our review of =
the document and response<o:p></o:p></span></div><div style=3D"margin: =
0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif;">around our travel plans and IETF =
activities.<o:p></o:p></span></div></div><div><div style=3D"margin: 0in =
0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', =
serif;"><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif;">&nbsp;<o:p></o:p></span></div></div><div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times =
New Roman', serif;"><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif;">Thanks, =
Ross<o:p></o:p></span></div></div><div><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span =
style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif;">&nbsp;<o:p></o:p></span></div></div></div>___________________=
____________________________<br>mpls mailing list<br><a =
href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>https://www.ietf.org/ma=
ilman/listinfo/mpls</div></blockquote></div><br></div></div></body></html>=

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From: Ross Callon <rcallon@juniper.net>
To: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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Date: Mon, 17 Mar 2014 00:56:46 +0000
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Subject: Re: [mpls] change of name, RE: end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11
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--_000_8eb5b06f30d540bf9f875d3fb6a15d11DM2PR05MB637namprd05pro_
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Working Group,

This poll for adoption has been closed, and the poll on the potential name =
change has also concluded.  We have accepted the draft as an mpls working g=
roup document, and have accepted the change of the internet draft name.

Could the authors please re-publish the draft (draft-chen-mpls-p2mp-egress-=
protection-11) with no other
changes than file-name, date and version as:

draft-ietf-mpls-rsvp-egress-protection-00

After this draft has been posted, the authors should then deal with the com=
ments received during the call for adoption and during the poll regarding t=
he name change, following normal IETF processes.

Thanks, Ross
(as WG co-chair)

From: Ross Callon
Sent: Tuesday, March 11, 2014 4:34 PM
To: mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org; draft-chen-mpls-p2mp-egress-protection@tool=
s.ietf.org
Subject: change of name, RE: end of poll, RE: Poll for Adoption draft-chen-=
mpls-p2mp-egress-protection-11

It has been pointed out that draft-chen-mpls-p2mp-egress-protection is actu=
ally about protection for RSVP signaled LSPs, and that it could apply to po=
int-to-point in addition to point-to-multipoint.

For this reason the authors have suggested naming the WG draft:

                draft-ietf-mpls-rsvp-egress-protection-00

If there is any objection to this name, please reply to this email by the e=
nd of this week (Friday March 14).

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Tuesday, March 11, 2014 11:20 AM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>
Subject: [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p2mp-egr=
ess-protection-11

Working Group,

This poll has been closed.  We have accepted the draft as an mpls working g=
roup document.

Could the authors please re-publish the draft with no other
changes than file-name, date and version as:

draft-ietf-mpls-p2mp-egress-protection-00

After this draft has been posted, the authors should then deal with the com=
ments received during the call for adoption, following normal IETF processe=
s.

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Thursday, February 13, 2014 2:46 PM
To: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@tools.ietf.org<mailto:mpls-chairs@tools.ietf.org>
Subject: [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protection-11

This is to start a poll on adopting draft-chen-mpls-p2mp-egress-protection-=
11
as an MPLS working group document. Since many of us will be in transit to t=
he
IETF approximately two weeks from now, I will extent the poll by one week (=
so
that it will be a three week poll).

Please send your comments (support/not support) to the mpls working group
mailing list (mpls@ietf.org<mailto:mpls@ietf.org>).

This poll will end Friday March 7, 2014. Note that this is the Friday of th=
e IETF,
and thus we will each need to plan our review of the document and response
around our travel plans and IETF activities.

Thanks, Ross


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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Working Group,<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This poll for adoption ha=
s been closed, and the poll on the potential name change has also concluded=
.&nbsp; We have accepted the draft as an mpls working group document,
 and have accepted the change of the internet draft name. <o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Could the authors please =
re-publish the draft (draft-chen-mpls-p2mp-egress-protection-11) with no ot=
her<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">changes than file-name, d=
ate and version as:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">draft-ietf-mpls-rsvp-egre=
ss-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">After this draft has been=
 posted, the authors should then deal with the comments received during the=
 call for adoption and during the poll regarding the name
 change, following normal IETF processes. <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Ross Cal=
lon
<br>
<b>Sent:</b> Tuesday, March 11, 2014 4:34 PM<br>
<b>To:</b> mpls@ietf.org<br>
<b>Cc:</b> mpls-chairs@tools.ietf.org; draft-chen-mpls-p2mp-egress-protecti=
on@tools.ietf.org<br>
<b>Subject:</b> change of name, RE: end of poll, RE: Poll for Adoption draf=
t-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">It has been pointed out t=
hat draft-chen-mpls-p2mp-egress-protection is actually about protection for=
 RSVP signaled LSPs, and that it could apply to point-to-point
 in addition to point-to-multipoint. <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">For this reason the autho=
rs have suggested naming the WG draft:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; draft-iet=
f-mpls-rsvp-egress-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">If there is any objection=
 to this name, please reply to this email by the end of this week (Friday M=
arch 14).
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Tuesday, March 11, 2014 11:20 AM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a><br>
<b>Subject:</b> [mpls] end of poll, RE: Poll for Adoption draft-chen-mpls-p=
2mp-egress-protection-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Working Group,<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This poll has been closed=
.&nbsp; We have accepted the draft as an mpls working group document.<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Could the authors please =
re-publish the draft with no other<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">changes than file-name, d=
ate and version as:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">draft-ietf-mpls-p2mp-egre=
ss-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">After this draft has been=
 posted, the authors should then deal with the comments received during the=
 call for adoption, following normal IETF processes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Thursday, February 13, 2014 2:46 PM<br>
<b>To:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Cc:</b> <a href=3D"mailto:mpls-chairs@tools.ietf.org">mpls-chairs@tools.=
ietf.org</a><br>
<b>Subject:</b> [mpls] Poll for Adoption draft-chen-mpls-p2mp-egress-protec=
tion-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This is to start a poll on adopting dra=
ft-chen-mpls-p2mp-egress-protection-11<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">as an MPLS working group document. Sinc=
e many of us will be in transit to the
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">IETF approximately two weeks from now, =
I will extent the poll by one week (so
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">that it will be a three week poll).
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Please send your comments (support/not =
support) to the mpls working group
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">mailing list (<a href=3D"mailto:mpls@ie=
tf.org"><span style=3D"color:windowtext">mpls@ietf.org</span></a>).<o:p></o=
:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This poll will end Friday March 7, 2014=
. Note that this is the Friday of the IETF,
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">and thus we will each need to plan our =
review of the document and response
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">around our travel plans and IETF activi=
ties.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Thanks, Ross<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</body>
</html>

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From: Ross Callon <rcallon@juniper.net>
To: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Poll for Adoption draft-chen-mpls-p2mp-ingress-protection-11
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Subject: Re: [mpls] Poll for Adoption draft-chen-mpls-p2mp-ingress-protection-11
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Working Group,

This poll for adoption has been closed.  We have accepted the draft as an m=
pls working group document.

The change in name (replacing "p2mp" with "rsvp") that we have agreed to fo=
r draft-chen-mpls-p2mp-egress-protection logically should apply to this dra=
ft just as much as to the other draft, and the authors of this draft have a=
greed with the change.

Could the authors please re-publish the draft (draft-chen-mpls-p2mp-ingress=
-protection-11) with no other
changes than file-name, date and version as:

draft-ietf-mpls-rsvp-ingress-protection-00

After this draft has been posted, the authors should then deal with the com=
ments received during the call for adoption, following normal IETF processe=
s.

Thanks, Ross
(as WG co-chair)

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Monday, February 17, 2014 4:09 PM
To: mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org
Subject: [mpls] Poll for Adoption draft-chen-mpls-p2mp-ingress-protection-1=
1

This is to start a poll on adopting draft-chen-mpls-p2mp-ingress-protection=
-11
as an MPLS working group document. Since this call will continue through th=
e
IETF meeting in London, I will extent the poll by one week (so that it will=
 be a
three week poll).

Please send your comments (support/not support) to the mpls working group
mailing list (mpls@ietf.org<mailto:mpls@ietf.org>).

This poll will end Tuesday March 11, 2014. This is of course the Tuesday af=
ter
the IETF.

Thanks, Ross



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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Working Group,<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">This poll for adoption ha=
s been closed.&nbsp; We have accepted the draft as an mpls working group do=
cument.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">The change in name (repla=
cing &#8220;p2mp&#8221; with &#8220;rsvp&#8221;) that we have agreed to for=
 draft-chen-mpls-p2mp-egress-protection logically should apply to this draf=
t just
 as much as to the other draft, and the authors of this draft have agreed w=
ith the change.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Could the authors please =
re-publish the draft (draft-chen-mpls-p2mp-ingress-protection-11) with no o=
ther<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">changes than file-name, d=
ate and version as:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">draft-ietf-mpls-rsvp-ingr=
ess-protection-00<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">After this draft has been=
 posted, the authors should then deal with the comments received during the=
 call for adoption, following normal IETF processes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thanks, Ross<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">(as WG co-chair)<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [ma=
ilto:mpls-bounces@ietf.org]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Monday, February 17, 2014 4:09 PM<br>
<b>To:</b> mpls@ietf.org<br>
<b>Cc:</b> mpls-chairs@tools.ietf.org<br>
<b>Subject:</b> [mpls] Poll for Adoption draft-chen-mpls-p2mp-ingress-prote=
ction-11<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This is to start a poll on adopting dra=
ft-chen-mpls-p2mp-ingress-protection-11<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">as an MPLS working group document. Sinc=
e this call will continue through the
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">IETF meeting in London, I will extent t=
he poll by one week (so that it will be a
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">three week poll).
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Please send your comments (support/not =
support) to the mpls working group
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">mailing list (<a href=3D"mailto:mpls@ie=
tf.org"><span style=3D"color:windowtext">mpls@ietf.org</span></a>).<o:p></o=
:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">This poll will end Tuesday March 11, 20=
14. This is of course the Tuesday after
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">the IETF.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Thanks, Ross<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
</div>
</div>
</body>
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From nobody Sun Mar 16 20:06:53 2014
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Cc: mpls@ietf.org
Subject: [mpls] I-D Action: draft-ietf-mpls-rsvp-egress-protection-00.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : Extensions to RSVP-TE for LSP Egress Local Protection
        Authors         : Huaimo Chen
                          Ning So
                          Autumn Liu
                          Fengman Xu
                          Mehmet Toy
                          Lu Huang
                          Lei Liu
	Filename        : draft-ietf-mpls-rsvp-egress-protection-00.txt
	Pages           : 15
	Date            : 2014-03-16

Abstract:
   This document describes extensions to Resource Reservation Protocol -
   Traffic Engineering (RSVP-TE) for locally protecting egress nodes of
   a Traffic Engineered (TE) Label Switched Path (LSP) in a Multi-
   Protocol Label Switching (MPLS) and Generalized MPLS (GMPLS) network.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-rsvp-egress-protection/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-rsvp-egress-protection-00


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Sun Mar 16 20:16:19 2014
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : Extensions to RSVP-TE for LSP Ingress Local Protection
        Authors         : Huaimo Chen
                          Raveendra Torvi
	Filename        : draft-ietf-mpls-rsvp-ingress-protection-00.txt
	Pages           : 28
	Date            : 2014-03-16

Abstract:
   This document describes extensions to Resource Reservation Protocol -
   Traffic Engineering (RSVP-TE) for locally protecting the ingress node
   of a Traffic Engineered (TE) Label Switched Path (LSP) in a Multi-
   Protocol Label Switching (MPLS) and Generalized MPLS (GMPLS) network.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-rsvp-ingress-protection/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-rsvp-ingress-protection-00


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Mon Mar 17 11:44:12 2014
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Subject: [mpls] Early AD comments on draft-ietf-mpls-psc-updates
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Hi Eric,

A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which is currently
in IESG evaluation) have given rise to two small proposed additions to
draft-ietf-mpls-psc-updates

1. I think this warrants a very small section of its own...

x.y  PSC TLV Format

[RFC6378] defines the capability to carry TLVs in the PSC messages. This section
defines the format to be used by all such TLVs.

Type field (T)
A two octet field that encodes a type value in network byte order. The type
values are recorded in the IANA registry "MPLS PSC TLV Registry".

Length field (L)
A two octet field that encodes the length in octets of the Value field in
network byte order. The value of this field MUST be a multiple of 4.

Value field (V)
The contents of the TLV. This field MUST be a multiple of 4 octets and so may
contain explicit padding.


2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV Registry". It
was agreed that 0 would be reserved, but this was not recorded in RFC 6378.
Therefore, the IANA section of draft-ietf-mpls-psc-updates should include the
text...

IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry" as
"Reserved, not to be allocated" and to update the references to show [RFC6378].
[This.I-D].  Note that this action provides documentation of an action already
taken by IANA but not recorded in RFC 6378.


Hope everyone is comfortable with this.

Thanks,
Adrian


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From: "Venator, Robert H III CIV DISA NS (US)" <robert.h.venator.civ@mail.mil>
To: "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>, Yuji Kamite <y.kamite@ntt.com>, "Tarek Saad (tsaad)" <tsaad@cisco.com>, "Zafar Ali (zali)" <zali@cisco.com>
Thread-Topic: New Version Notification for draft-tsaad-mpls-p2mp-loose-path-reopt-01.txt
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Hi Rakesh,

 Sorry for late reply. I've been out of office for while. I read the document this morning. It is well written and easy to understand. I didn't find anything to comment on. Concur.

   Thanks, Robert

-----Original Message-----
From: Rakesh Gandhi (rgandhi) [mailto:rgandhi@cisco.com] 
Sent: Tuesday, March 11, 2014 9:19 AM
To: Yuji Kamite; Tarek Saad (tsaad); Zafar Ali (zali); Venator, Robert H III CIV DISA NS (US)
Cc: mpls@ietf.org
Subject: Re: New Version Notification for draft-tsaad-mpls-p2mp-loose-path-reopt-01.txt

Hi WG,

The document is updated for editorial changes.

Your comments and contributions are welcome.

Thanks,
Rakesh


On 2014-03-10 6:36 PM, "internet-drafts@ietf.org"
<internet-drafts@ietf.org> wrote:

>
>A new version of I-D, draft-tsaad-mpls-p2mp-loose-path-reopt-01.txt
>has been successfully submitted by Rakesh Gandhi and posted to the
>IETF repository.
>
>Name:		draft-tsaad-mpls-p2mp-loose-path-reopt
>Revision:	01
>Title:		Reoptimization of Point-to-Multipoint Traffic Engineering Loosely
>Routed LSPs
>Document date:	2014-03-10
>Group:		Individual Submission
>Pages:		9
>URL:            
>http://www.ietf.org/internet-drafts/draft-tsaad-mpls-p2mp-loose-path-reopt
>-01.txt
>Status:         
>https://datatracker.ietf.org/doc/draft-tsaad-mpls-p2mp-loose-path-reopt/
>Htmlized:       
>http://tools.ietf.org/html/draft-tsaad-mpls-p2mp-loose-path-reopt-01
>Diff:           
>http://www.ietf.org/rfcdiff?url2=draft-tsaad-mpls-p2mp-loose-path-reopt-01
>
>Abstract:
>   This document defines Resource Reservation Protocol - Traffic
>   Engineering (RSVP-TE) signaling extensions for reoptimizing loosely
>   routed Point-to-Multipoint (P2MP) Traffic Engineered (TE) Label
>   Switched Paths (LSPs) in an Multi-Protocol Label Switching (MPLS) and
>   Generalized MPLS (GMPLS) networks.
>
>                  
>        
>
>
>Please note that it may take a couple of minutes from the time of
>submission
>until the htmlized version and diff are available at tools.ietf.org.
>
>The IETF Secretariat
>


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From nobody Mon Mar 17 11:55:01 2014
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From: "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>
To: "Venator, Robert H III CIV DISA NS (US)" <robert.h.venator.civ@mail.mil>,  Yuji Kamite <y.kamite@ntt.com>, "Tarek Saad (tsaad)" <tsaad@cisco.com>, "Zafar Ali (zali)" <zali@cisco.com>
Thread-Topic: New Version Notification for draft-tsaad-mpls-p2mp-loose-path-reopt-01.txt
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Date: Mon, 17 Mar 2014 18:54:45 +0000
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Subject: Re: [mpls] New Version Notification for draft-tsaad-mpls-p2mp-loose-path-reopt-01.txt
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Thank you Robert for the review.

Regards,
Rakesh


On 2014-03-17 2:52 PM, "Venator, Robert H III CIV DISA NS (US)"
<robert.h.venator.civ@mail.mil> wrote:

>Hi Rakesh,
>
> Sorry for late reply. I've been out of office for while. I read the
>document this morning. It is well written and easy to understand. I
>didn't find anything to comment on. Concur.
>
>   Thanks, Robert
>
>-----Original Message-----
>From: Rakesh Gandhi (rgandhi) [mailto:rgandhi@cisco.com]
>Sent: Tuesday, March 11, 2014 9:19 AM
>To: Yuji Kamite; Tarek Saad (tsaad); Zafar Ali (zali); Venator, Robert H
>III CIV DISA NS (US)
>Cc: mpls@ietf.org
>Subject: Re: New Version Notification for
>draft-tsaad-mpls-p2mp-loose-path-reopt-01.txt
>
>Hi WG,
>
>The document is updated for editorial changes.
>
>Your comments and contributions are welcome.
>
>Thanks,
>Rakesh
>
>
>On 2014-03-10 6:36 PM, "internet-drafts@ietf.org"
><internet-drafts@ietf.org> wrote:
>
>>
>>A new version of I-D, draft-tsaad-mpls-p2mp-loose-path-reopt-01.txt
>>has been successfully submitted by Rakesh Gandhi and posted to the
>>IETF repository.
>>
>>Name:		draft-tsaad-mpls-p2mp-loose-path-reopt
>>Revision:	01
>>Title:		Reoptimization of Point-to-Multipoint Traffic Engineering Loosely
>>Routed LSPs
>>Document date:	2014-03-10
>>Group:		Individual Submission
>>Pages:		9
>>URL:           =20
>>http://www.ietf.org/internet-drafts/draft-tsaad-mpls-p2mp-loose-path-reop
>>t
>>-01.txt
>>Status:        =20
>>https://datatracker.ietf.org/doc/draft-tsaad-mpls-p2mp-loose-path-reopt/
>>Htmlized:      =20
>>http://tools.ietf.org/html/draft-tsaad-mpls-p2mp-loose-path-reopt-01
>>Diff:          =20
>>http://www.ietf.org/rfcdiff?url2=3Ddraft-tsaad-mpls-p2mp-loose-path-reopt=
-0
>>1
>>
>>Abstract:
>>   This document defines Resource Reservation Protocol - Traffic
>>   Engineering (RSVP-TE) signaling extensions for reoptimizing loosely
>>   routed Point-to-Multipoint (P2MP) Traffic Engineered (TE) Label
>>   Switched Paths (LSPs) in an Multi-Protocol Label Switching (MPLS) and
>>   Generalized MPLS (GMPLS) networks.
>>
>>                =20
>>       =20
>>
>>
>>Please note that it may take a couple of minutes from the time of
>>submission
>>until the htmlized version and diff are available at tools.ietf.org.
>>
>>The IETF Secretariat
>>
>


From nobody Mon Mar 17 12:33:06 2014
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Date: Mon, 17 Mar 2014 20:32:51 +0100
From: Huub van Helvoort <huubatwork@gmail.com>
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Subject: Re: [mpls] Early AD comments on draft-ietf-mpls-psc-updates
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Hello Adrian,

I support these additions.

Cheers, Huub.

===========

 > A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which is 
currently
> in IESG evaluation) have given rise to two small proposed additions to
> draft-ietf-mpls-psc-updates
>
> 1. I think this warrants a very small section of its own...
>
> x.y  PSC TLV Format
>
> [RFC6378] defines the capability to carry TLVs in the PSC messages. This section
> defines the format to be used by all such TLVs.
>
> Type field (T)
> A two octet field that encodes a type value in network byte order. The type
> values are recorded in the IANA registry "MPLS PSC TLV Registry".
>
> Length field (L)
> A two octet field that encodes the length in octets of the Value field in
> network byte order. The value of this field MUST be a multiple of 4.
>
> Value field (V)
> The contents of the TLV. This field MUST be a multiple of 4 octets and so may
> contain explicit padding.
>
>
> 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV Registry". It
> was agreed that 0 would be reserved, but this was not recorded in RFC 6378.
> Therefore, the IANA section of draft-ietf-mpls-psc-updates should include the
> text...
>
> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry" as
> "Reserved, not to be allocated" and to update the references to show [RFC6378].
> [This.I-D].  Note that this action provides documentation of an action already
> taken by IANA but not recorded in RFC 6378.
>
>
> Hope everyone is comfortable with this.
>
> Thanks,
> Adrian
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>


-- 
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From nobody Mon Mar 17 17:51:52 2014
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From: Mach Chen <mach.chen@huawei.com>
To: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Clarification on source label usage
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Subject: [mpls] Clarification on source label usage
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Hi MPLSers,

Yesterday, there are a lots of discussions on source label, thanks for the =
discussions. I'd like to make a clarification on the usage of source label,=
 I think there may be a  misunderstanding of the usage of source label. The=
 main purpose for MPLS source label is OAM, source label applies to real pa=
ckets is optional.


Best regards,
Mach



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	text-decoration:underline;}
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	font-family:"Calibri","sans-serif";
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@page WordSection1
	{size:612.0pt 792.0pt;
	margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.WordSection1
	{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang=3D"ZH-CN" link=3D"blue" vlink=3D"purple" style=3D"text-justify-t=
rim:punctuation">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi MPLSers,<o:p></o:p></span></=
p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Yesterday, there are a lots of =
discussions on source label, thanks for the discussions. I&#8217;d like to =
make a clarification on the usage of source label, I think there may be a &=
nbsp;misunderstanding of the usage of source label.
 The main purpose for MPLS source label is OAM, source label applies to rea=
l packets is optional.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Best regards,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Mach<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
</html>

--_000_F73A3CB31E8BE34FA1BBE3C8F0CB2AE25D98D4C6SZXEMA510MBXchi_--


From nobody Tue Mar 18 00:01:13 2014
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References: <F73A3CB31E8BE34FA1BBE3C8F0CB2AE25D98D4C6@SZXEMA510-MBX.china.huawei.com>
Date: Tue, 18 Mar 2014 09:00:58 +0200
Message-ID: <CAHcPYOx0zH-2F6Bo-xD11ssq+k=ObST31tK36-PNxj-zRti_8w@mail.gmail.com>
From: Binny Jeshan <binnyjeshan@gmail.com>
To: Mach Chen <mach.chen@huawei.com>
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Cc: "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage
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Mach,

Do you mean the G-Ach ?

Regards,
Binny.

Aricent


On 18 March 2014 02:51, Mach Chen <mach.chen@huawei.com> wrote:

>  Hi MPLSers,
>
>
>
> Yesterday, there are a lots of discussions on source label, thanks for the
> discussions. I'd like to make a clarification on the usage of source label,
> I think there may be a  misunderstanding of the usage of source label. The
> main purpose for MPLS source label is OAM, source label applies to real
> packets is optional.
>
>
>
>
>
> Best regards,
>
> Mach
>
>
>
>
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>
>

--089e0158aef42157cf04f4dc192d
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<div dir=3D"ltr"><div>Mach,</div><div><br></div><div>Do you mean the G-Ach =
? </div><div><br></div><div>Regards,</div><div>Binny.</div><div><br></div><=
div>Aricent</div></div><div class=3D"gmail_extra"><br><br><div class=3D"gma=
il_quote">
On 18 March 2014 02:51, Mach Chen <span dir=3D"ltr">&lt;<a href=3D"mailto:m=
ach.chen@huawei.com" target=3D"_blank">mach.chen@huawei.com</a>&gt;</span> =
wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bord=
er-left:1px #ccc solid;padding-left:1ex">






<div lang=3D"ZH-CN" vlink=3D"purple" link=3D"blue">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi MPLSers,<u></u><u></u></span=
></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>&nbsp;<u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Yesterday, there are a lots of =
discussions on source label, thanks for the discussions. I&rsquo;d like to =
make a clarification on the usage of source label, I think there may be a &=
nbsp;misunderstanding of the usage of source label.
 The main purpose for MPLS source label is OAM, source label applies to rea=
l packets is optional.
<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>&nbsp;<u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>&nbsp;<u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Best regards,<u></u><u></u></sp=
an></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Mach<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>&nbsp;<u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>&nbsp;<u></u></span></p>
</div>
</div>

<br>_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/mpls</a><br>
<br></blockquote></div><br></div>

--089e0158aef42157cf04f4dc192d--


From nobody Tue Mar 18 06:01:48 2014
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Date: Tue, 18 Mar 2014 14:01:36 +0100
From: Loa Andersson <loa@pi.nu>
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Subject: Re: [mpls] short wglc on draft-ietf-mpls-ldp-multi-topology
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Working Group,

This short wglc is closed; we have only had supportive comments.

We will notify our AD that we are ready to resume progressing the
draft.

/Loa
for the MPLS WG co-chairs

On 2014-03-10 09:09, Loa Andersson wrote:
> Working Group,
>
> This is to start a one week working group last call on
> draft-ietf-mpls-ldp-multi-topology limited to the changes introduced
> since the wglc.
>
> The document is in AD review, but the changes has been such that
> we want the working group to confirm that we are comfortable with
> the changes.
>
> On behalf of the authors Dan King sent a mail to the working group
> mailing outlining the changes:
> http://www.ietf.org/mail-archive/web/mpls/current/msg11770.html
>
> This working group last call ends eob March 17.
>
> Please send your comments (including support) to the mpls working
> group mailing list (mpls@ietf.org).
>
> /Loa
> for the MPLS wg chairs
>

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Tue Mar 18 13:30:19 2014
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From: "Rajiv Asati (rajiva)" <rajiva@cisco.com>
To: "Carlos Pignataro (cpignata)" <cpignata@cisco.com>, Markus Jork <mjork@juniper.net>, "draft-george-mpls-ipv6-only-gap@tools.ietf.org" <draft-george-mpls-ipv6-only-gap@tools.ietf.org>, "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "VIGOUREUX, MARTIN (MARTIN)" <martin.vigoureux@alcatel-lucent.com>
Thread-Topic: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Hi Markus,

Please see inline,

> it. If there are gaps with a "4PE" use case not sufficiently covered by
> existing specs, and people are actually interested in doing this, then

IMO, there is no (better) alternative to accommodating v4 (as an overlay)
if moved to a v6-only core network. Is there any?

> this should probably be addressed by a new RFC dedicated that use case?

That=B9s indeed the path we have had in mind. Thanks.


--=20
Cheers,
Rajiv =20




-----Original Message-----
From: Carlos Pignataro <cpignata@cisco.com>
Date: Thursday, March 6, 2014 at 9:54 AM
To: Markus Jork <mjork@juniper.net>,
"draft-george-mpls-ipv6-only-gap@tools.ietf.org"
<draft-george-mpls-ipv6-only-gap@tools.ietf.org>,
"mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, MARTIN
VIGOUREUX <martin.vigoureux@alcatel-lucent.com>
Cc: "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt

>Thanks, Markus.
>
>We are incorporating these comments.
>
>Carlos.
>
>-----Original Message-----
>From: Markus Jork <mjork@juniper.net>
>Date: Friday, February 28, 2014 at 10:43 PM
>To: "draft-george-mpls-ipv6-only-gap@tools.ietf.org"
><draft-george-mpls-ipv6-only-gap@tools.ietf.org>,
>"mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, Martin
>Vigoureux <martin.vigoureux@alcatel-lucent.com>
>Cc: "mpls@ietf.org" <mpls@ietf.org>
>Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
>
>>This is a very useful effort and should be adopted as a WG document.
>>It is difficult to say whether the current draft has captured all the
>>potential problems but it appears quite exhaustive already. It is also
>>clearly written and technically sound.
>>
>>The use case discussion in section 2 seems overly defensive and doesn't
>>contribute much to the document, it might as well be removed for the sake
>>of brevity.
>>
>>Some minor technical feedback:
>>
>>The verdict at the end of section 3.3.2.1 is:
>>"Gap: Major. RFC4659 needs to be updated to explicitly cover use case
>>#2".
>>I believe this is meant to say "RFC 4798". But I'm not sure that's fair.
>>RFC 4798 is very explicitly covering only the 6PE use case. That's all it
>>is trying to achieve, so adding "4PE" to this RFC would be overloading
>>it. If there are gaps with a "4PE" use case not sufficiently covered by
>>existing specs, and people are actually interested in doing this, then
>>this should probably be addressed by a new RFC dedicated that use case?
>>
>>In section 3, the reference for RSVP-TE should be RFC 3209 and not RFC
>>5420.
>>
>>I also noticed two very minor typos:
>>3.3.2: "RFC4364 defines as VPN-IPv4 address type"
>>3.3.2.3: "tunnelling over an single-Address"
>>
>>
>>-Markus
>>
>>
>>> -----Original Message-----
>>> From: Loa Andersson [mailto:loa@pi.nu]
>>> Sent: Saturday, February 15, 2014 3:07 AM
>>> To: David Allan I; Mach Chen; Markus Jork; draft-george-mpls-ipv6-only-
>>> gap@tools.ietf.org; mpls-chairs@tools.ietf.org; VIGOUREUX, MARTIN
>>> (MARTIN); Aissaoui, Mustapha (Mustapha)
>>> Subject: draft-george-mpls-ipv6-only-gap-04.txt
>>>=20
>>> Dave, Mach, Markus and Mustapha,
>>>=20
>>> You have been selected as MPLS Review team reviewers for
>>> draft-george-mpls-ipv6-only-gap-04.
>>>=20
>>> Note to authors: You have been CC'd on this email so that you can know
>>> that this review is going on. However, please do not review your own
>>> document.
>>>=20
>>> Note 2: All the IPv& expertise we have in the MPLS review team are
>>> listed as contributors on this draft. I've therefore asked Mustapha
>>> to review.
>>>=20
>>> Reviews should comment on whether the document is coherent, is it
>>> useful (ie, is it likely to be actually useful in operational
>>> networks), and is the document technically sound?  We are interested
>>> in knowing whether the document is ready to be considered for WG
>>> adoption (ie, it doesn't have to be perfect at this point, but should
>>>be
>>> a good start).
>>>=20
>>> Reviews should be sent to the document authors, WG co-chairs and
>>> WG secretary, and CC'd to the MPLS WG email list. If necessary,
>>>comments
>>> may be sent privately to only the WG chairs.
>>>=20
>>> Are you able to review this draft by March 1, 2014?
>>>=20
>>>=20
>>> Thanks, Loa
>>> (as MPLS WG chair)
>>> --
>>>=20
>>>=20
>>> Loa Andersson                        email: loa@mail01.huawei.com
>>> Senior MPLS Expert                          loa@pi.nu
>>> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>>>=20
>>
>>
>>_______________________________________________
>>mpls mailing list
>>mpls@ietf.org
>>https://www.ietf.org/mailman/listinfo/mpls
>
>_______________________________________________
>mpls mailing list
>mpls@ietf.org
>https://www.ietf.org/mailman/listinfo/mpls


From nobody Tue Mar 18 13:30:37 2014
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From: "Rajiv Asati (rajiva)" <rajiva@cisco.com>
To: "mark.tinka@seacom.mu" <mark.tinka@seacom.mu>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Date: Tue, 18 Mar 2014 20:30:23 +0000
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Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Hi Mark,

> In the future, when the majority of new ISP's will be IPv6
> single stack, I don't foresee this practice stopping. There
> is sufficient RFC 1918 space for operators to use in order
> uniquely deploy Router-ID's across their backbone.

I wonder whether using RFC 1918 space would be needed, since the operators
have already had unique public IPv4 address space, which could continue to
be used (as usual) instead of private v4 space for the RID.


Nonetheless, this discussion could be somewhat more generalized (BGP,
OSPF, LDP, RSVP..) and brought up to the area WG mailer.

--=20
Cheers,
Rajiv Asati
Distinguished Engineer, Cisco





-----Original Message-----
From: Mark Tinka <mark.tinka@seacom.mu>
Organization: SEACOM
Reply-To: "mark.tinka@seacom.mu" <mark.tinka@seacom.mu>
Date: Wednesday, February 19, 2014 at 9:17 PM
To: "mpls@ietf.org" <mpls@ietf.org>
Cc: "draft-george-mpls-ipv6-only-gap@tools.ietf.org"
<draft-george-mpls-ipv6-only-gap@tools.ietf.org>
Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt

>On Wednesday, February 19, 2014 07:47:26 PM George, Wes
>wrote:
>
>> WG] There=B9s a related discussion happening in IDR/v6ops
>> right now
>> (https://mailarchive.ietf.org/arch/search/?q=3DBGP+Identif
>> ier&qdr=3Dw&f_list=3Did r&gbt=3D1 starting 14 Feb) responding
>> to a proposal to make BGP Router ID a 128 bit field
>> because of the lack of direct mapping between the 32 bit
>> field and a potentially 128 bit address on an IPv6-only
>> device. So far, there has been significant feedback from
>> operators that in the case where these are simply fields
>> that contain an arbitrary 32 bit value whose only
>> requirement is that it is unique across some scope, we
>> need to be clear that the link between that field=B9s
>> value and any particular IPv4 address is merely by
>> convention, not by protocol necessity, and therefore the
>> solution in an IPv6-only network may simply be to note
>> that in order for this to work, the operator must have a
>> method to derive a unique value, either
>> manually/programmatically assigned at provisioning time,
>> or via some sort of mapping from an IPv6 address present
>> on the box. I=B9m inclined to handle this potential gap in
>> the same way, since the problem and discussion in IDR is
>> in no way specific to BGP, but I think it=B9s something
>> that we need to discuss in this specific context - I.e.
>> does it break anything if the value is arbitrary and not
>> linked to an IP address present on the device?
>
>As you point out, today, operators have considered Router-
>ID's (be they for BGP or other routing protocols enabled on
>a router) as an arbitrary 32-bit integer that looks like an
>IPv4 address, but really isn't treated as one.
>
>In IPv6-only networks, today's routers still require a 32-
>bit Router-ID, and general practice is to hard-code this
>into deployments for BGP and other routing protocols
>(especially for single stack IPv6 routers).
>
>In the future, when the majority of new ISP's will be IPv6
>single stack, I don't foresee this practice stopping. There
>is sufficient RFC 1918 space for operators to use in order
>uniquely deploy Router-ID's across their backbone.
>
>Having said that, I could foresee issues where different
>single stack IPv6 routing domains interconnect, and there is
>the potential for Router-ID clashing if sourced from RFC
>1918 space. This could have an impact on the BGP Route
>Selection algorithm and/or setup and maintenance of BGP
>sessions. In this case, having a 128-bit Router-ID might be
>a sure-fire simple way to guarantee Router-ID uniqueness
>across inter-domain routing.
>
>The other option would be for both routing domains to pre-
>agree on Router-ID's that do not clash, but this adds
>complexity to both intra- and inter-domain routing.
>
>Mark.


From nobody Tue Mar 18 14:55:22 2014
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Subject: [mpls] I-D Action: draft-ietf-mpls-special-purpose-labels-06.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : Allocating and Retiring Special Purpose MPLS Labels
        Authors         : Kireeti Kompella
                          Loa Andersson
                          Adrian Farrel
	Filename        : draft-ietf-mpls-special-purpose-labels-06.txt
	Pages           : 13
	Date            : 2014-03-18

Abstract:
   Some MPLS labels have been allocated for specific purposes.  A block
   of labels (0-15) has been set aside to this end, and are commonly
   called "reserved labels".  They will be called "special purpose
   labels" in this document.

   As there are only 16 of these special purpose labels, caution is
   needed in the allocation of new special purpose labels, yet at the
   same time allow forward progress when one is called for.

   This memo defines new procedures to follow in the allocation and
   retirement of special purpose labels, as well as a method to extend
   the special purpose label space.  Finally, this memo renames the IANA
   registry for these labels to "Special Purpose MPLS Label Values", and
   creates a new one called the "Extended Special Purpose MPLS Label
   Values" registry.

   This document updates a number of previous RFCs that used the term
   "reserved label".  Specifically, this document updates RFC 3032, RFC
   3038, RFC 3209, RFC 3811, RFC 4182, RFC 4928, RFC 5331, RFC 5586, RFC
   5921, RFC 5960, RFC 6391, RFC 6478, and RFC 6790.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-special-purpose-labels/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-special-purpose-labels-06


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Tue Mar 18 15:02:08 2014
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From: "Adrian Farrel" <adrian@olddog.co.uk>
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We got confirmation from IANA that they understood what was required, and we
changed the last paragraph of 3.1 (and the IANA section) to reflect the debate
on how label 7 should appear (or not) after the XL (i.e. as an ESPL).

Thanks for the entertaining discussion.

Adrian

> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of internet-
> drafts@ietf.org
> Sent: 18 March 2014 21:55
> To: i-d-announce@ietf.org
> Cc: mpls@ietf.org
> Subject: [mpls] I-D Action: draft-ietf-mpls-special-purpose-labels-06.txt
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts
directories.
>  This draft is a work item of the Multiprotocol Label Switching Working Group
of
> the IETF.
> 
>         Title           : Allocating and Retiring Special Purpose MPLS Labels
>         Authors         : Kireeti Kompella
>                           Loa Andersson
>                           Adrian Farrel
> 	Filename        : draft-ietf-mpls-special-purpose-labels-06.txt
> 	Pages           : 13
> 	Date            : 2014-03-18
> 
> Abstract:
>    Some MPLS labels have been allocated for specific purposes.  A block
>    of labels (0-15) has been set aside to this end, and are commonly
>    called "reserved labels".  They will be called "special purpose
>    labels" in this document.
> 
>    As there are only 16 of these special purpose labels, caution is
>    needed in the allocation of new special purpose labels, yet at the
>    same time allow forward progress when one is called for.
> 
>    This memo defines new procedures to follow in the allocation and
>    retirement of special purpose labels, as well as a method to extend
>    the special purpose label space.  Finally, this memo renames the IANA
>    registry for these labels to "Special Purpose MPLS Label Values", and
>    creates a new one called the "Extended Special Purpose MPLS Label
>    Values" registry.
> 
>    This document updates a number of previous RFCs that used the term
>    "reserved label".  Specifically, this document updates RFC 3032, RFC
>    3038, RFC 3209, RFC 3811, RFC 4182, RFC 4928, RFC 5331, RFC 5586, RFC
>    5921, RFC 5960, RFC 6391, RFC 6478, and RFC 6790.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-mpls-special-purpose-labels/
> 
> There's also a htmlized version available at:
> http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06
> 
> A diff from the previous version is available at:
> http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-special-purpose-labels-06
> 
> 
> Please note that it may take a couple of minutes from the time of submission
> until the htmlized version and diff are available at tools.ietf.org.
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Tue Mar 18 23:11:39 2014
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From: "Andrew G. Malis" <agmalis@gmail.com>
Date: Wed, 19 Mar 2014 07:10:59 +0100
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To: Adrian Farrel <adrian@olddog.co.uk>
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Subject: Re: [mpls] I-D Action: draft-ietf-mpls-special-purpose-labels-06.txt
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Adrian,

Just a little nit in your new text in section 3.1. It now says:

   However, when an LSR insert an entropy label
   it MUST insert the ELI as a regular special purpose label, not as
   an ESPL.

That first "insert" should be "inserts".

And thanks for the changes!

Cheers,
Andy


On Tue, Mar 18, 2014 at 11:01 PM, Adrian Farrel <adrian@olddog.co.uk> wrote:
> We got confirmation from IANA that they understood what was required, and we
> changed the last paragraph of 3.1 (and the IANA section) to reflect the debate
> on how label 7 should appear (or not) after the XL (i.e. as an ESPL).
>
> Thanks for the entertaining discussion.
>
> Adrian
>
>> -----Original Message-----
>> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of internet-
>> drafts@ietf.org
>> Sent: 18 March 2014 21:55
>> To: i-d-announce@ietf.org
>> Cc: mpls@ietf.org
>> Subject: [mpls] I-D Action: draft-ietf-mpls-special-purpose-labels-06.txt
>>
>>
>> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
>>  This draft is a work item of the Multiprotocol Label Switching Working Group
> of
>> the IETF.
>>
>>         Title           : Allocating and Retiring Special Purpose MPLS Labels
>>         Authors         : Kireeti Kompella
>>                           Loa Andersson
>>                           Adrian Farrel
>>       Filename        : draft-ietf-mpls-special-purpose-labels-06.txt
>>       Pages           : 13
>>       Date            : 2014-03-18
>>
>> Abstract:
>>    Some MPLS labels have been allocated for specific purposes.  A block
>>    of labels (0-15) has been set aside to this end, and are commonly
>>    called "reserved labels".  They will be called "special purpose
>>    labels" in this document.
>>
>>    As there are only 16 of these special purpose labels, caution is
>>    needed in the allocation of new special purpose labels, yet at the
>>    same time allow forward progress when one is called for.
>>
>>    This memo defines new procedures to follow in the allocation and
>>    retirement of special purpose labels, as well as a method to extend
>>    the special purpose label space.  Finally, this memo renames the IANA
>>    registry for these labels to "Special Purpose MPLS Label Values", and
>>    creates a new one called the "Extended Special Purpose MPLS Label
>>    Values" registry.
>>
>>    This document updates a number of previous RFCs that used the term
>>    "reserved label".  Specifically, this document updates RFC 3032, RFC
>>    3038, RFC 3209, RFC 3811, RFC 4182, RFC 4928, RFC 5331, RFC 5586, RFC
>>    5921, RFC 5960, RFC 6391, RFC 6478, and RFC 6790.
>>
>>
>> The IETF datatracker status page for this draft is:
>> https://datatracker.ietf.org/doc/draft-ietf-mpls-special-purpose-labels/
>>
>> There's also a htmlized version available at:
>> http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06
>>
>> A diff from the previous version is available at:
>> http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-special-purpose-labels-06
>>
>>
>> Please note that it may take a couple of minutes from the time of submission
>> until the htmlized version and diff are available at tools.ietf.org.
>>
>> Internet-Drafts are also available by anonymous FTP at:
>> ftp://ftp.ietf.org/internet-drafts/
>>
>> _______________________________________________
>> mpls mailing list
>> mpls@ietf.org
>> https://www.ietf.org/mailman/listinfo/mpls
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
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From nobody Wed Mar 19 01:52:40 2014
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From: Mach Chen <mach.chen@huawei.com>
To: Binny Jeshan <binnyjeshan@gmail.com>
Thread-Topic: [mpls] Clarification on source label usage
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Hi Binny,

No,  G-Ach works fine.

The OAM I mentioned mainly refers to the performance measurement(passive) t=
hat is listed as the first use case in the draft, the source label is used =
for flow identification.

Best regards,
Mach

From: Binny Jeshan [mailto:binnyjeshan@gmail.com]
Sent: Tuesday, March 18, 2014 3:01 PM
To: Mach Chen
Cc: mpls@ietf.org
Subject: Re: [mpls] Clarification on source label usage

Mach,

Do you mean the G-Ach ?

Regards,
Binny.

Aricent

On 18 March 2014 02:51, Mach Chen <mach.chen@huawei.com<mailto:mach.chen@hu=
awei.com>> wrote:
Hi MPLSers,

Yesterday, there are a lots of discussions on source label, thanks for the =
discussions. I'd like to make a clarification on the usage of source label,=
 I think there may be a  misunderstanding of the usage of source label. The=
 main purpose for MPLS source label is OAM, source label applies to real pa=
ckets is optional.


Best regards,
Mach



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family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Binny,<=
o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
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family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">No, &nbsp;=
G-Ach works fine.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">The OAM I =
mentioned mainly refers to the performance measurement(passive) that is lis=
ted as the first use case in the draft, the source label is
 used for flow identification. <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regar=
ds,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> Binny Jeshan [mailto:binnyjeshan@gmail.com]
<br>
<b>Sent:</b> Tuesday, March 18, 2014 3:01 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> mpls@ietf.org<br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage<o:p></o:p></=
span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Mach,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Do you mean the G-Ach ? <o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Regards,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Binny.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Aricent<o:p></o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<o:p>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">On 18 March 2014 02:51, Mach Ch=
en &lt;<a href=3D"mailto:mach.chen@huawei.com" target=3D"_blank">mach.chen@=
huawei.com</a>&gt; wrote:<o:p></o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Hi MPLSers,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Yesterday, there are a lots of discussions on=
 source label, thanks for the discussions. I&#8217;d like to make a clarifi=
cation on the usage of source label, I think
 there may be a &nbsp;misunderstanding of the usage of source label. The ma=
in purpose for MPLS source label is OAM, source label applies to real packe=
ts is optional.
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Best regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Mach<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/mpls</a><o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
</div>
</body>
</html>

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From nobody Wed Mar 19 07:17:16 2014
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From: Shahram Davari <davari@broadcom.com>
To: Mach Chen <mach.chen@huawei.com>
Thread-Topic: [mpls] Clarification on source label usage
Thread-Index: Ac859wY/HtI+Q5xYT9KoGBS6SQcBeQIu3ZoAADYtZwD//+VjUw==
Date: Wed, 19 Mar 2014 14:16:59 +0000
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Subject: Re: [mpls] Clarification on source label usage
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Hi

For flow identification. You could use a MEPID inside the OAM message. Why =
do you need another label?

Regards,
Shahram


On Mar 19, 2014, at 1:52 AM, "Mach Chen" <mach.chen@huawei.com<mailto:mach.=
chen@huawei.com>> wrote:

Hi Binny,

No,  G-Ach works fine.

The OAM I mentioned mainly refers to the performance measurement(passive) t=
hat is listed as the first use case in the draft, the source label is used =
for flow identification.

Best regards,
Mach

From: Binny Jeshan [mailto:binnyjeshan@gmail.com]
Sent: Tuesday, March 18, 2014 3:01 PM
To: Mach Chen
Cc: mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Mach,

Do you mean the G-Ach ?

Regards,
Binny.

Aricent

On 18 March 2014 02:51, Mach Chen <mach.chen@huawei.com<mailto:mach.chen@hu=
awei.com>> wrote:
Hi MPLSers,

Yesterday, there are a lots of discussions on source label, thanks for the =
discussions. I=92d like to make a clarification on the usage of source labe=
l, I think there may be a  misunderstanding of the usage of source label. T=
he main purpose for MPLS source label is OAM, source label applies to real =
packets is optional.


Best regards,
Mach



_______________________________________________
mpls mailing list
mpls@ietf.org<mailto:mpls@ietf.org>
https://www.ietf.org/mailman/listinfo/mpls

_______________________________________________
mpls mailing list
mpls@ietf.org<mailto:mpls@ietf.org>
https://www.ietf.org/mailman/listinfo/mpls

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Content-Transfer-Encoding: quoted-printable

<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1=
252">
</head>
<body dir=3D"auto">
<div>Hi</div>
<div><br>
</div>
<div>For flow identification. You could use a MEPID inside the OAM message.=
 Why do you need another label?</div>
<div><br>
Regards,
<div>Shahram</div>
<div><br>
</div>
</div>
<div><br>
On Mar 19, 2014, at 1:52 AM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<br>
<br>
</div>
<blockquote type=3D"cite">
<div>
<meta name=3D"Generator" content=3D"Microsoft Word 12 (filtered medium)">
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<o:idmap v:ext=3D"edit" data=3D"1" />
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Binny,<=
o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">No, &nbsp;=
G-Ach works fine.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">The OAM I =
mentioned mainly refers to the performance measurement(passive) that is lis=
ted as the first use case in the draft, the source label is
 used for flow identification. <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regar=
ds,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> Binny Jeshan [<a href=3D"mailto:binnyjeshan@gmail.com=
">mailto:binnyjeshan@gmail.com</a>]
<br>
<b>Sent:</b> Tuesday, March 18, 2014 3:01 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage<o:p></o:p></=
span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Mach,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Do you mean the G-Ach ? <o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Regards,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Binny.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Aricent<o:p></o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<o:p>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">On 18 March 2014 02:51, Mach Ch=
en &lt;<a href=3D"mailto:mach.chen@huawei.com" target=3D"_blank">mach.chen@=
huawei.com</a>&gt; wrote:<o:p></o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Hi MPLSers,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Yesterday, there are a lots of discussions on=
 source label, thanks for the discussions. I=92d like to make a clarificati=
on on the usage of source label, I think
 there may be a &nbsp;misunderstanding of the usage of source label. The ma=
in purpose for MPLS source label is OAM, source label applies to real packe=
ts is optional.
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Best regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Mach<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
_______________________________________________<br>
mpls mailing list<br>
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : LDP Hello Cryptographic Authentication
        Authors         : Lianshu Zheng
                          Mach(Guoyi) Chen
                          Manav Bhatia
	Filename        : draft-ietf-mpls-ldp-hello-crypto-auth-03.txt
	Pages           : 21
	Date            : 2014-03-19

Abstract:
   This document introduces a new optional Cryptographic Authentication
   TLV that LDP can use to secure its Hello messages.  It secures the
   Hello messages against spoofing attacks and some well known attacks
   against the IP header.  This document describes a mechanism to secure
   the LDP Hello messages using National Institute of Standards and
   Technology (NIST) Secure Hash Standard family of algorithms.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-ldp-hello-crypto-auth/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-ldp-hello-crypto-auth-03

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-ldp-hello-crypto-auth-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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From: Yimin Shen <yshen@juniper.net>
To: "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-label@tools.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
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Hi authors,

Can you please clarify if SL is expected to be used only by egress node, or=
 by intermediate node as well ?

Section 3.2 "Traffic Matrix Measurement and Steering" describes a use case =
for intermediate node, but I think congestion should in general be resolved=
 by control plane to reroute traffic based on a global view of network reso=
urces, rather than by data plane based on a SL. In your case, would the int=
ermediate node move the traffic to an LSP that is different than the LSP in=
tended by the ingress node ? I don't think it is the right thing to do.

Regarding the use case of section 3.3 "Source Filtering". If somebody is do=
ing DoS attack, why would he put an SL in the packets ?

Thanks,

/Yimin





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>
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<font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11pt;">
<div>Hi authors,</div>
<div>&nbsp;</div>
<div>Can you please clarify if SL is expected to be used only by egress nod=
e, or by intermediate node as well ? </div>
<div>&nbsp;</div>
<div>Section 3.2 &#8220;Traffic Matrix Measurement and Steering&#8221; desc=
ribes a use case for intermediate node, but I think congestion should in ge=
neral be resolved by control plane to reroute traffic based on a global vie=
w of network resources, rather than by data
plane based on a SL. In your case, would the intermediate node move the tra=
ffic to an LSP that is different than the LSP intended by the ingress node =
? I don&#8217;t think it is the right thing to do. </div>
<div>&nbsp;</div>
<div>Regarding the use case of section 3.3 &#8220;Source Filtering&#8221;. =
If somebody is doing DoS attack, why would he put an SL in the packets ?</d=
iv>
<div>&nbsp;</div>
<div>Thanks,</div>
<div>&nbsp;</div>
<div>/Yimin</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
</span></font>
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From nobody Wed Mar 19 09:26:35 2014
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From: "Bhatia, Manav (Manav)" <manav.bhatia@alcatel-lucent.com>
To: "david.sinicrope@gmail.com" <david.sinicrope@gmail.com>
Thread-Topic: [karp] RtgDir review of draft-ietf-mpls-ldp-hello-crypto-auth-02
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Date: Wed, 19 Mar 2014 16:06:01 +0000
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Subject: [mpls] FW: [karp] RtgDir review of draft-ietf-mpls-ldp-hello-crypto-auth-02
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Hi David,

I think I have addressed most of your comments and suggestions in the updat=
ed document.

Can you please take a look at this and see if there is anything else that y=
ou  think we ought to address before it gets pushed further.


URL:            http://www.ietf.org/internet-drafts/draft-ietf-mpls-ldp-hel=
lo-crypto-auth-03.txt

Status:         https://datatracker.ietf.org/doc/draft-ietf-mpls-ldp-hello-=
crypto-auth/

Htmlized:       http://tools.ietf.org/html/draft-ietf-mpls-ldp-hello-crypto=
-auth-03

Diff:           http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-mpls-ldp-hell=
o-crypto-auth-03

Cheers, Manav


From: karp-bounces@ietf.org [mailto:karp-bounces@ietf.org] On Behalf Of Dav=
id Sinicrope
Sent: Saturday, September 28, 2013 11:25 PM
To: mpls@ietf.org; IETF.PWE3; karp@ietf.org
Subject: [karp] RtgDir review of draft-ietf-mpls-ldp-hello-crypto-auth-02

This time with a more relevant subject on the email.
Dave

Hello,

I have been selected as the Routing Directorate reviewer for this draft. Th=
e Routing Directorate seeks to review all routing or routing-related drafts=
 as they pass through IETF last call and IESG review. The purpose of the re=
view is to provide assistance to the Routing ADs. For more information abou=
t the Routing Directorate, please see
http://www.ietf.org/iesg/directorate/routing.html

Although these comments are primarily for the use of the Routing ADs, it wo=
uld be helpful if you could consider them along with any other IETF Last Ca=
ll comments that you receive, and strive to resolve them through discussion=
 or by updating the draft.
Document: draft-ietf-mpls-ldp-hello-crypto-auth-02
Reviewer: David Sinicrope
Review Date: 28 September 2013
IETF LC End Date: 23 September 2013
Intended Status: Standards Track

o Summary:
I have some major and minor concerns about this document that I think shoul=
d be resolved before publication.  While I reviewed the document from the R=
tgDir point of view, I would strongly suggest a thorough security related r=
eview, if not already done, before progressing to publication.


In general, I believe the document should be progressed to publication once=
 the issues are resolved by the authors.  The document assumes a working kn=
owledge of KARP mechanisms.  This should be stated up front with relevant r=
eferences.


I've attached a .pdf version of the document to this message for use by the=
 authors.

Comments:

--- Page 4 ---

Note (yellow), Sep 27, 2013, 3:04 PM:
Nit: sec1, para 1 1st sentence : c/runs/run

Note (yellow), Sep 27, 2013, 3:04 PM:
Minor- sec 1, para 2: start the second sentence with "Since the Hello messa=
ges are sent with UDP and not TCP..."

Note (yellow), Sep 27, 2013, 3:04 PM:
Minor - sec 1, para 2: change "Besides a note that some  configuration may =
help protect against bogus discovery messages,  [RFC5036] does not really p=
rovide any security mechanism to protect  the Hello messages." To "While so=
me configuration guidance is given in [RFC5036] to help protect against fal=
se discovery messages, it does not provide an explicit security mechanism t=
o protect the Hello messages."

Note (yellow), Sep 27, 2013, 3:04 PM:
Minor - global: c/Spoofing/Falsifying/

Note (yellow), Sep 27, 2013, 3:04 PM:
Minor - sec 1, para 3: please give an example of a falsified Hello with a d=
ifferent transport address.

Note (yellow), Sep 27, 2013, 3:04 PM:
Nit - sec 1, para 4: remove first "that" in the fist sentence

Note (yellow), Sep 27, 2013, 3:04 PM:
Minor - sec 1 para 4, 1st sentence and global: remove "Basic". The text is =
introducing a new term of "Basic Hellos" that doesn't exist in RFC 5036.  Y=
ou may be referring to "Link Hellos".  See RFC 5036 sec 2.4.

Note (yellow), Sep 27, 2013, 3:04 PM:
Minor - sec 1 para 4 & global: remove "Extended" and replace with "Targeted=
". The text is introducing a new term of "Extended Hellos" that doesn't exi=
st in RFC 5036.  You may be referring to "Targeted Hellos".  See RFC 5036 s=
ec 2.4.

Note (yellow), Sep 27, 2013, 3:04 PM:
Nit - sec 1, para 5, sentence 1: c/message/messages/


--- Page 5 ---

Note (yellow), Sep 27, 2013, 3:04 PM:
Nit - global: refer consistently to "Hello message"s vs "Hellos" and "Hello=
 packets".

Note (yellow), Sep 27, 2013, 3:04 PM:
Major - Sec 1, para 6, last sentence: remove thisMinor - sec 1 para 4, 1st =
sentence and global: remove "Basic". The text is introducing a new term of =
"Basic Hellos" that doesn't exist in RFC 5036.  You may be referring to "Li=
nk Hellos".  See RFC 5036 sec 2.4. last sentence, it is redundant with sect=
ion 3.


--- Page 6 ---

Note (yellow), Sep 27, 2013, 3:04 PM:
Minor - sec 2.1, 1st para: remove 3rd sentence.  Adds no value.

Note (yellow), Sep 28, 2013, 1:29 PM:
Major- s2.2, Auth Key ID: this field is conveying the algorithm AND the the=
 secret key.  It should be atomic, I.e., the algorithm ID should be one fie=
ld the key another.

Major - s2.2, Auth Key ID: the composition of this field is not clear to th=
e casual reader.  Exactly how is the algorithm identified and what portion =
is the algorithm I'd and what part is the secret key?


--- Page 7 ---

Note (yellow), Sep 28, 2013, 1:29 PM:
Nit - s2.2, p6: remove "really" in the penultimate sentence.

Note (yellow), Sep 28, 2013, 1:29 PM:
Major - s2.2, p6: what are the "available mechanisms" that are being requir=
ed? I.e., if some one was to test compliance to the requirements of this dr=
aft what would they test for this?  Without more specifics on how to meet t=
he sequence number requirement, the strictly increasing requirement in the =
paragraph above is sufficient.

Note (yellow), Sep 28, 2013, 1:29 PM:
Major - s2.3, p1: it should be clearly stated that the high order 32 bits a=
re  incremented on device boot, and low order 32 bit wrap.  "This is curren=
tly on given subtly in the previous section as "wrap/boot".

Note (yellow), Sep 28, 2013, 1:29 PM:
Nit - s2.3, p1: "If by some chance..."  Should start a new paragraph,


--- Page 8 ---

Note (yellow), Sep 28, 2013, 1:29 PM:
Major - s3, p1, sentence 1:  "... the Auth Key ID maps to the authenticatio=
n algorithm and the secret key used to..."  Maps how exactly?  As noted in =
earlier comments it seems as those this field should be broken into two ato=
mic fields Auth Algorithm and Auth Key.

Note (yellow), Sep 28, 2013, 1:29 PM:
Nit - s3, p4: might be easier to see requirements as a list.
"Of the above, implementations of this specification:
- MUST include support for at least HMAC-SHA-256
- SHOULD include support for HMAC-SHA-1
- MAY include support for HMAC-SHA-384 or HMAC-SHA-512 or both."

Note (yellow), Sep 28, 2013, 1:29 PM:
Nit- s3,p3:remove this paragraph/list, it is superfluous, with the paragrap=
h below and section 2.2 last paragraph.  Further the word "includes" implie=
s the list is not exhaustive.  i.e., I can use MD5 if I wish.

Question- s3,p3: Are other authentication hashes prohibited?  If not how ar=
e they identified and encoded?


--- Page 9 ---

Note (yellow), Sep 28, 2013, 1:29 PM:
Major- s4:  this is difficult to follow.
- the section makes reference to "the two octet LDP Cryptographic Protocol =
ID" this field is not previously mentioned in this document.  What is the r=
eference to this ID? Where is it defined?

- The section makes reference to the "authentication key". Is this the same=
 as the Authentication Key ID in section 2.2?

-"Other protocols  using cryptographic authentication as specified herein M=
UST similarly  append their respective Cryptographic Protocol IDs to their =
keys in  this step."  This document only specifies one protocol using crypt=
o authentication, I.e., LDP What are the others being referred to?

- This text first uses the term "Cryptographic Protocol ID". What is this? =
 Where is it defined?  From the IANA considerations it is clearer this refe=
rs to a KARP mechanism.  Please add some explanation of how this mechanism =
fits into the KARP framework.

- could use more explanation or a reference to additional information on th=
e cross protocol attack problem being addressed.

- reference to "protocols sharing common keys," what does this mean?  Pleas=
e elaborate. Perhaps an example would help.


--- Page 10 ---

Note (yellow), Sep 28, 2013, 1:29 PM:
General- the RtgDir

Note - s5: I don't see any routing protocol issues with this.  It should be=
 reviewed for security and crypto issues.


--- Page 12 ---

Note (yellow), Sep 28, 2013, 1:29 PM:
Nit - s6.1, p1, 1st sentence: add "the" after "transmitting"
Nit - s6.1, p1, last sentence: make this a list
Nit - s6.1, p2, 1st sentence: make this a separate paragraph



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<body lang=3D"EN-US" link=3D"blue" vlink=3D"purple">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi David,<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">I think I have addressed =
most of your comments and suggestions in the updated document.<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Can you please take a loo=
k at this and see if there is anything else that you&nbsp; think we ought t=
o address before it gets pushed further.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoPlainText">URL:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp; <a href=3D"http://www.ietf.org/internet-drafts/draft-=
ietf-mpls-ldp-hello-crypto-auth-03.txt">
http://www.ietf.org/internet-drafts/draft-ietf-mpls-ldp-hello-crypto-auth-0=
3.txt</a><o:p></o:p></p>
<p class=3D"MsoPlainText">Status:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp; <a href=3D"https://datatracker.ietf.org/doc/draft-ietf-mpls-ldp-hell=
o-crypto-auth/">
https://datatracker.ietf.org/doc/draft-ietf-mpls-ldp-hello-crypto-auth/</a>=
<o:p></o:p></p>
<p class=3D"MsoPlainText">Htmlized:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <a =
href=3D"http://tools.ietf.org/html/draft-ietf-mpls-ldp-hello-crypto-auth-03=
">
http://tools.ietf.org/html/draft-ietf-mpls-ldp-hello-crypto-auth-03</a><o:p=
></o:p></p>
<p class=3D"MsoPlainText">Diff:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp; <a href=3D"http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-m=
pls-ldp-hello-crypto-auth-03">
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-mpls-ldp-hello-crypto-auth-03=
</a><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Cheers, Manav<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> karp-bou=
nces@ietf.org [mailto:karp-bounces@ietf.org]
<b>On Behalf Of </b>David Sinicrope<br>
<b>Sent:</b> Saturday, September 28, 2013 11:25 PM<br>
<b>To:</b> mpls@ietf.org; IETF.PWE3; karp@ietf.org<br>
<b>Subject:</b> [karp] RtgDir review of draft-ietf-mpls-ldp-hello-crypto-au=
th-02<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal">This time with a more relevant subject on the email.=
<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Dave<o:p></o:p></p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p>Hello,<o:p></o:p></p>
<p>I have been selected as the Routing Directorate reviewer for this draft.=
 The Routing Directorate seeks to review all routing or routing-related dra=
fts as they pass through IETF last call and IESG review. The purpose of the=
 review is to provide assistance
 to the Routing ADs. For more information about the Routing Directorate, pl=
ease see<br>
<a href=3D"http://www.ietf.org/iesg/directorate/routing.html" target=3D"_bl=
ank">http://www.ietf.org/iesg/directorate/routing.html</a><o:p></o:p></p>
<p>Although these comments are primarily for the use of the Routing ADs, it=
 would be helpful if you could consider them along with any other IETF Last=
 Call comments that you receive, and strive to resolve them through discuss=
ion or by updating the draft.<o:p></o:p></p>
<div>
<p class=3D"MsoNormal">Document:&nbsp;draft-ietf-mpls-ldp-hello-crypto-auth=
-02<br>
Reviewer: David Sinicrope<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Review Date: 28 September 2013<br>
IETF LC End Date: 23 September 2013<br>
Intended Status: Standards Track<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">o Summary:<br>
I have some major and minor concerns about this document that I think shoul=
d be resolved before publication. &nbsp;While I reviewed the document from =
the RtgDir point of view, I would strongly suggest a thorough security rela=
ted review, if not already done, before
 progressing to publication. &nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><br>
<br>
<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">In general, I believe the document should be progres=
sed to publication once the issues are resolved by the authors. &nbsp;The d=
ocument assumes a working knowledge of KARP mechanisms. &nbsp;This should b=
e stated up front with relevant references.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><br>
<br>
<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">I've attached a .pdf version of the document to this=
 message for use by the authors.<br>
<br>
Comments:<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
--- Page 4 ---<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Nit: sec1, para 1 1st sentence : c/runs/run<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Minor- sec 1, para 2: start the second sentence with &quot;Since the Hello =
messages are sent with UDP and not TCP...&quot;<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Minor - sec 1, para 2: change &quot;Besides a note that some&nbsp; configur=
ation may help protect against bogus discovery messages,&nbsp; [RFC5036] do=
es not really provide any security mechanism to protect&nbsp; the Hello mes=
sages.&quot; To &quot;While some configuration guidance is given
 in [RFC5036] to help protect against false discovery messages, it does not=
 provide an explicit security mechanism to protect the Hello messages.&quot=
;<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Minor - global: c/Spoofing/Falsifying/<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Minor - sec 1, para 3: please give an example of a falsified Hello with a d=
ifferent transport address.<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Nit - sec 1, para 4: remove first &quot;that&quot; in the fist sentence<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Minor - sec 1 para 4, 1st sentence and global: remove &quot;Basic&quot;. Th=
e text is introducing a new term of &quot;Basic Hellos&quot; that doesn't e=
xist in RFC 5036.&nbsp; You may be referring to &quot;Link Hellos&quot;.&nb=
sp; See RFC 5036 sec 2.4.<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Minor - sec 1 para 4 &amp; global: remove &quot;Extended&quot; and replace =
with &quot;Targeted&quot;. The text is introducing a new term of &quot;Exte=
nded Hellos&quot; that doesn't exist in RFC 5036.&nbsp; You may be referrin=
g to &quot;Targeted Hellos&quot;.&nbsp; See RFC 5036 sec 2.4.<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Nit - sec 1, para 5, sentence 1: c/message/messages/<br>
<br>
<br>
--- Page 5 ---<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Nit - global: refer consistently to &quot;Hello message&quot;s vs &quot;Hel=
los&quot; and &quot;Hello packets&quot;.<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Major - Sec 1, para 6, last sentence: remove thisMinor - sec 1 para 4, 1st =
sentence and global: remove &quot;Basic&quot;. The text is introducing a ne=
w term of &quot;Basic Hellos&quot; that doesn't exist in RFC 5036.&nbsp; Yo=
u may be referring to &quot;Link Hellos&quot;.&nbsp; See RFC 5036 sec 2.4.
 last sentence, it is redundant with section 3.<br>
<br>
<br>
--- Page 6 ---<br>
<br>
Note (yellow), Sep 27, 2013, 3:04 PM:<br>
Minor - sec 2.1, 1st para: remove 3rd sentence.&nbsp; Adds no value.<br>
<br>
Note (yellow), Sep 28, 2013, 1:29 PM:<br>
Major- s2.2, Auth Key ID: this field is conveying the algorithm AND the the=
 secret key.&nbsp; It should be atomic, I.e., the algorithm ID should be on=
e field the key another.<br>
<br>
Major - s2.2, Auth Key ID: the composition of this field is not clear to th=
e casual reader.&nbsp; Exactly how is the algorithm identified and what por=
tion is the algorithm I'd and what part is the secret key?<br>
<br>
<br>
--- Page 7 ---<br>
<br>
Note (yellow), Sep 28, 2013, 1:29 PM:<br>
Nit - s2.2, p6: remove &quot;really&quot; in the penultimate sentence.<br>
<br>
Note (yellow), Sep 28, 2013, 1:29 PM:<br>
Major - s2.2, p6: what are the &quot;available mechanisms&quot; that are be=
ing required? I.e., if some one was to test compliance to the requirements =
of this draft what would they test for this?&nbsp; Without more specifics o=
n how to meet the sequence number requirement,
 the strictly increasing requirement in the paragraph above is sufficient.<=
br>
<br>
Note (yellow), Sep 28, 2013, 1:29 PM:<br>
Major - s2.3, p1: it should be clearly stated that the high order 32 bits a=
re&nbsp; incremented on device boot, and low order 32 bit wrap.&nbsp; &quot=
;This is currently on given subtly in the previous section as &quot;wrap/bo=
ot&quot;.
<br>
<br>
Note (yellow), Sep 28, 2013, 1:29 PM:<br>
Nit - s2.3, p1: &quot;If by some chance...&quot;&nbsp; Should start a new p=
aragraph,<br>
<br>
<br>
--- Page 8 ---<br>
<br>
Note (yellow), Sep 28, 2013, 1:29 PM:<br>
Major - s3, p1, sentence 1:&nbsp; &quot;... the Auth Key ID maps to the aut=
hentication algorithm and the secret key used to...&quot;&nbsp; Maps how ex=
actly?&nbsp; As noted in earlier comments it seems as those this field shou=
ld be broken into two atomic fields Auth Algorithm and Auth
 Key.<br>
<br>
Note (yellow), Sep 28, 2013, 1:29 PM:<br>
Nit - s3, p4: might be easier to see requirements as a list. <br>
&quot;Of the above, implementations of this specification:<br>
- MUST include support for at least HMAC-SHA-256<br>
- SHOULD include support for HMAC-SHA-1<br>
- MAY include support for HMAC-SHA-384 or HMAC-SHA-512 or both.&quot;<br>
<br>
Note (yellow), Sep 28, 2013, 1:29 PM:<br>
Nit- s3,p3:remove this paragraph/list, it is superfluous, with the paragrap=
h below and section 2.2 last paragraph.&nbsp; Further the word &quot;includ=
es&quot; implies the list is not exhaustive.&nbsp; i.e., I can use MD5 if I=
 wish.<br>
<br>
Question- s3,p3: Are other authentication hashes prohibited?&nbsp; If not h=
ow are they identified and encoded?<br>
<br>
<br>
--- Page 9 ---<br>
<br>
Note (yellow), Sep 28, 2013, 1:29 PM:<br>
Major- s4:&nbsp; this is difficult to follow.&nbsp; <br>
- the section makes reference to &quot;the two octet LDP Cryptographic Prot=
ocol ID&quot; this field is not previously mentioned in this document.&nbsp=
; What is the reference to this ID? Where is it defined?<br>
<br>
- The section makes reference to the &quot;authentication key&quot;. Is thi=
s the same as the Authentication Key ID in section 2.2?<br>
<br>
-&quot;Other protocols&nbsp; using cryptographic authentication as specifie=
d herein MUST similarly&nbsp; append their respective Cryptographic Protoco=
l IDs to their keys in&nbsp; this step.&quot;&nbsp; This document only spec=
ifies one protocol using crypto authentication, I.e., LDP What
 are the others being referred to?&nbsp; <br>
<br>
- This text first uses the term &quot;Cryptographic Protocol ID&quot;. What=
 is this?&nbsp; Where is it defined?&nbsp; From the IANA considerations it =
is clearer this refers to a KARP mechanism.&nbsp; Please add some explanati=
on of how this mechanism fits into the KARP framework.<br>
<br>
- could use more explanation or a reference to additional information on th=
e cross protocol attack problem being addressed.
<br>
<br>
- reference to &quot;protocols sharing common keys,&quot; what does this me=
an?&nbsp; Please elaborate. Perhaps an example would help.<br>
<br>
<br>
--- Page 10 ---<br>
<br>
Note (yellow), Sep 28, 2013, 1:29 PM:<br>
General- the RtgDir <br>
<br>
Note - s5: I don't see any routing protocol issues with this.&nbsp; It shou=
ld be reviewed for security and crypto issues.<br>
<br>
<br>
--- Page 12 ---<br>
<br>
Note (yellow), Sep 28, 2013, 1:29 PM:<br>
Nit - s6.1, p1, 1st sentence: add &quot;the&quot; after &quot;transmitting&=
quot;<br>
Nit - s6.1, p1, last sentence: make this a list<br>
Nit - s6.1, p2, 1st sentence: make this a separate paragraph<br>
<br>
<br>
<br>
(report generated by GoodReader)<o:p></o:p></p>
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</div>
</div>
</blockquote>
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Subject: [mpls] [Editorial Errata Reported] RFC6639 (3923)
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The following errata report has been submitted for RFC6639,
"Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Management Overview".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=6639&eid=3923

--------------------------------------
Type: Editorial
Reported by: Liu Lin <bestman0729@gmail.com>

Section: 4.2.6

Original Text
-------------
This MIB architecture is modeled based on PW3 architecture [RFC3985]

Corrected Text
--------------
This MIB architecture is modeled based on PWE3 architecture [RFC3985]

Notes
-----
PW3 -> PWE3

Instructions:
-------------
This errata is currently posted as "Reported". If necessary, please
use "Reply All" to discuss whether it should be verified or
rejected. When a decision is reached, the verifying party (IESG)
can log in to change the status and edit the report, if necessary. 

--------------------------------------
RFC6639 (draft-ietf-mpls-tp-mib-management-overview-08)
--------------------------------------
Title               : Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Management Overview
Publication Date    : June 2012
Author(s)           : D. King, Ed., M. Venkatesan, Ed.
Category            : INFORMATIONAL
Source              : Multiprotocol Label Switching
Area                : Routing
Stream              : IETF
Verifying Party     : IESG


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From: "Stewart Bryant (stbryant)" <stbryant@cisco.com>
To: RFC Errata System <rfc-editor@rfc-editor.org>
Thread-Topic: [mpls] [Editorial Errata Reported] RFC6639 (3923)
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Subject: Re: [mpls] [Editorial Errata Reported] RFC6639 (3923)
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This should be immediately closed as to be addressed in a future version.

Whilst it is an error, no on could possibly misunderstand the text.=20

Stewart

Sent from my iPad

> On 20 Mar 2014, at 07:33, "RFC Errata System" <rfc-editor@rfc-editor.org>=
 wrote:
>=20
> The following errata report has been submitted for RFC6639,
> "Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Mana=
gement Overview".
>=20
> --------------------------------------
> You may review the report below and at:
> http://www.rfc-editor.org/errata_search.php?rfc=3D6639&eid=3D3923
>=20
> --------------------------------------
> Type: Editorial
> Reported by: Liu Lin <bestman0729@gmail.com>
>=20
> Section: 4.2.6
>=20
> Original Text
> -------------
> This MIB architecture is modeled based on PW3 architecture [RFC3985]
>=20
> Corrected Text
> --------------
> This MIB architecture is modeled based on PWE3 architecture [RFC3985]
>=20
> Notes
> -----
> PW3 -> PWE3
>=20
> Instructions:
> -------------
> This errata is currently posted as "Reported". If necessary, please
> use "Reply All" to discuss whether it should be verified or
> rejected. When a decision is reached, the verifying party (IESG)
> can log in to change the status and edit the report, if necessary.=20
>=20
> --------------------------------------
> RFC6639 (draft-ietf-mpls-tp-mib-management-overview-08)
> --------------------------------------
> Title               : Multiprotocol Label Switching Transport Profile (MP=
LS-TP) MIB-Based Management Overview
> Publication Date    : June 2012
> Author(s)           : D. King, Ed., M. Venkatesan, Ed.
> Category            : INFORMATIONAL
> Source              : Multiprotocol Label Switching
> Area                : Routing
> Stream              : IETF
> Verifying Party     : IESG
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Thu Mar 20 00:57:06 2014
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Subject: Re: [mpls] [Editorial Errata Reported] RFC6639 (3923)
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Folks,

Yes, agree with Stewart!

Adrian,

Is closing/verifying the errata something you can do?

/Loa

On 2014-03-20 08:44, Stewart Bryant (stbryant) wrote:
> This should be immediately closed as to be addressed in a future version.
>
> Whilst it is an error, no on could possibly misunderstand the text.
>
> Stewart
>
> Sent from my iPad
>
>> On 20 Mar 2014, at 07:33, "RFC Errata System" <rfc-editor@rfc-editor.org> wrote:
>>
>> The following errata report has been submitted for RFC6639,
>> "Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Management Overview".
>>
>> --------------------------------------
>> You may review the report below and at:
>> http://www.rfc-editor.org/errata_search.php?rfc=6639&eid=3923
>>
>> --------------------------------------
>> Type: Editorial
>> Reported by: Liu Lin <bestman0729@gmail.com>
>>
>> Section: 4.2.6
>>
>> Original Text
>> -------------
>> This MIB architecture is modeled based on PW3 architecture [RFC3985]
>>
>> Corrected Text
>> --------------
>> This MIB architecture is modeled based on PWE3 architecture [RFC3985]
>>
>> Notes
>> -----
>> PW3 -> PWE3
>>
>> Instructions:
>> -------------
>> This errata is currently posted as "Reported". If necessary, please
>> use "Reply All" to discuss whether it should be verified or
>> rejected. When a decision is reached, the verifying party (IESG)
>> can log in to change the status and edit the report, if necessary.
>>
>> --------------------------------------
>> RFC6639 (draft-ietf-mpls-tp-mib-management-overview-08)
>> --------------------------------------
>> Title               : Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Management Overview
>> Publication Date    : June 2012
>> Author(s)           : D. King, Ed., M. Venkatesan, Ed.
>> Category            : INFORMATIONAL
>> Source              : Multiprotocol Label Switching
>> Area                : Routing
>> Stream              : IETF
>> Verifying Party     : IESG
>>
>> _______________________________________________
>> mpls mailing list
>> mpls@ietf.org
>> https://www.ietf.org/mailman/listinfo/mpls

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Thu Mar 20 02:09:21 2014
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Date: Thu, 20 Mar 2014 09:07:43 +0000
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Subject: Re: [mpls] [Editorial Errata Reported] RFC6639 (3923)
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> This errata is currently posted as "Reported".=20

Am I the only one who winces reading that? singular of errata is erratum.
These errata. this erratum.

Lloyd Wood
http://about.me/lloydwood
________________________________________
From: mpls [mpls-bounces@ietf.org] On Behalf Of Stewart Bryant (stbryant) [=
stbryant@cisco.com]
Sent: 20 March 2014 07:44
To: RFC Errata System
Cc: mpls@ietf.org; bestman0729@gmail.com; rcallon@juniper.net; venkat.mahal=
ingams@gmail.com
Subject: Re: [mpls] [Editorial Errata Reported] RFC6639 (3923)

This should be immediately closed as to be addressed in a future version.

Whilst it is an error, no on could possibly misunderstand the text.

Stewart

Sent from my iPad

> On 20 Mar 2014, at 07:33, "RFC Errata System" <rfc-editor@rfc-editor.org>=
 wrote:
>
> The following errata report has been submitted for RFC6639,
> "Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Mana=
gement Overview".
>
> --------------------------------------
> You may review the report below and at:
> http://www.rfc-editor.org/errata_search.php?rfc=3D6639&eid=3D3923
>
> --------------------------------------
> Type: Editorial
> Reported by: Liu Lin <bestman0729@gmail.com>
>
> Section: 4.2.6
>
> Original Text
> -------------
> This MIB architecture is modeled based on PW3 architecture [RFC3985]
>
> Corrected Text
> --------------
> This MIB architecture is modeled based on PWE3 architecture [RFC3985]
>
> Notes
> -----
> PW3 -> PWE3
>
> Instructions:
> -------------
> This errata is currently posted as "Reported". If necessary, please
> use "Reply All" to discuss whether it should be verified or
> rejected. When a decision is reached, the verifying party (IESG)
> can log in to change the status and edit the report, if necessary.
>
> --------------------------------------
> RFC6639 (draft-ietf-mpls-tp-mib-management-overview-08)
> --------------------------------------
> Title               : Multiprotocol Label Switching Transport Profile (MP=
LS-TP) MIB-Based Management Overview
> Publication Date    : June 2012
> Author(s)           : D. King, Ed., M. Venkatesan, Ed.
> Category            : INFORMATIONAL
> Source              : Multiprotocol Label Switching
> Area                : Routing
> Stream              : IETF
> Verifying Party     : IESG
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls

_______________________________________________
mpls mailing list
mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls=


From nobody Thu Mar 20 03:13:27 2014
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Subject: [mpls] [Errata Held for Document Update] RFC6639 (3923)
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The following errata report has been held for document update 
for RFC6639, "Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Management Overview". 

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=6639&eid=3923

--------------------------------------
Status: Held for Document Update
Type: Editorial

Reported by: Liu Lin <bestman0729@gmail.com>
Date Reported: 2014-03-20
Held by: Adrian Farrel (IESG)

Section: 4.2.6

Original Text
-------------
This MIB architecture is modeled based on PW3 architecture [RFC3985]

Corrected Text
--------------
This MIB architecture is modeled based on PWE3 architecture [RFC3985]

Notes
-----
PW3 -> PWE3

--------------------------------------
RFC6639 (draft-ietf-mpls-tp-mib-management-overview-08)
--------------------------------------
Title               : Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Management Overview
Publication Date    : June 2012
Author(s)           : D. King, Ed., M. Venkatesan, Ed.
Category            : INFORMATIONAL
Source              : Multiprotocol Label Switching
Area                : Routing
Stream              : IETF
Verifying Party     : IESG


From nobody Thu Mar 20 05:44:52 2014
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : Extended Administrative Groups in MPLS-TE
        Author          : Eric Osborne
	Filename        : draft-ietf-mpls-extended-admin-group-04.txt
	Pages           : 6
	Date            : 2014-03-20

Abstract:
   MPLS-TE advertises 32 administrative groups (commonly referred to as
   "colors" or "link colors") using the Administrative Group sub-TLV of
   the Link TLV.  This is defined for OSPFv2 (RFC3630), OSPFv3 (RFC5329)
   and ISIS (RFC5305).

   This document adds a sub-TLV to the IGP TE extensions, "Extended
   Administrative Group".  This sub-TLV provides for additional
   administrative groups (link colors) beyond the current limit of 32.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-extended-admin-group/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-extended-admin-group-04

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-extended-admin-group-04


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Thu Mar 20 05:47:04 2014
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From: Mark Tinka <mark.tinka@seacom.mu>
Organization: SEACOM
To: "Rajiv Asati (rajiva)" <rajiva@cisco.com>
Date: Thu, 20 Mar 2014 14:46:35 +0200
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On Tuesday, March 18, 2014 10:30:23 PM Rajiv Asati (rajiva)=20
wrote:

> I wonder whether using RFC 1918 space would be needed,
> since the operators have already had unique public IPv4
> address space, which could continue to be used (as
> usual) instead of private v4 space for the RID.

I am referring to new ISP's who launch services long after=20
the RIR's don't have IPv4 space anymore.

In such a case, RFC 1918 is the only option for such ISP's,=20
since they will have been really new on the scene.

It is also not completely unreasonable to assume existing=20
operators who have fully assigned all their IPv4 allocations=20
will either recover public IPv4 from dual-stacked equipment=20
to use as Router-ID's, or also consider RFC 1918 to continue=20
growing the IPv6 single-stack network.

Mark.

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From: Ross Callon <rcallon@juniper.net>
To: Loa Andersson <loa@pi.nu>, "Stewart Bryant (stbryant)" <stbryant@cisco.com>, RFC Errata System <rfc-editor@rfc-editor.org>
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Subject: Re: [mpls] [Editorial Errata Reported] RFC6639 (3923)
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+1  Hold for Document Update

-----Original Message-----
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
Sent: Thursday, March 20, 2014 3:57 AM
To: Stewart Bryant (stbryant); RFC Errata System
Cc: mpls@ietf.org; bestman0729@gmail.com; Ross Callon; venkat.mahalingams@g=
mail.com
Subject: Re: [mpls] [Editorial Errata Reported] RFC6639 (3923)

Folks,

Yes, agree with Stewart!

Adrian,

Is closing/verifying the errata something you can do?

/Loa

On 2014-03-20 08:44, Stewart Bryant (stbryant) wrote:
> This should be immediately closed as to be addressed in a future version.
>
> Whilst it is an error, no on could possibly misunderstand the text.
>
> Stewart
>
> Sent from my iPad
>
>> On 20 Mar 2014, at 07:33, "RFC Errata System" <rfc-editor@rfc-editor.org=
> wrote:
>>
>> The following errata report has been submitted for RFC6639,
>> "Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Man=
agement Overview".
>>
>> --------------------------------------
>> You may review the report below and at:
>> http://www.rfc-editor.org/errata_search.php?rfc=3D6639&eid=3D3923
>>
>> --------------------------------------
>> Type: Editorial
>> Reported by: Liu Lin <bestman0729@gmail.com>
>>
>> Section: 4.2.6
>>
>> Original Text
>> -------------
>> This MIB architecture is modeled based on PW3 architecture [RFC3985]
>>
>> Corrected Text
>> --------------
>> This MIB architecture is modeled based on PWE3 architecture [RFC3985]
>>
>> Notes
>> -----
>> PW3 -> PWE3
>>
>> Instructions:
>> -------------
>> This errata is currently posted as "Reported". If necessary, please
>> use "Reply All" to discuss whether it should be verified or
>> rejected. When a decision is reached, the verifying party (IESG)
>> can log in to change the status and edit the report, if necessary.
>>
>> --------------------------------------
>> RFC6639 (draft-ietf-mpls-tp-mib-management-overview-08)
>> --------------------------------------
>> Title               : Multiprotocol Label Switching Transport Profile (M=
PLS-TP) MIB-Based Management Overview
>> Publication Date    : June 2012
>> Author(s)           : D. King, Ed., M. Venkatesan, Ed.
>> Category            : INFORMATIONAL
>> Source              : Multiprotocol Label Switching
>> Area                : Routing
>> Stream              : IETF
>> Verifying Party     : IESG
>>
>> _______________________________________________
>> mpls mailing list
>> mpls@ietf.org
>> https://www.ietf.org/mailman/listinfo/mpls

--=20


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64

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From nobody Thu Mar 20 07:38:56 2014
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Date: Thu, 20 Mar 2014 10:38:34 -0400
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From: Eric Osborne <eric@notcom.com>
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Cc: Eric Osborne <eric.osborne@notcom.com>, "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] Early AD comments on draft-ietf-mpls-psc-updates
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Hi Adrian-



  Thanks for these.  I am OK with them and will add them to the
version I post next. I'm not clear on the nuances of your IANA text,
though.  You say:


---
IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
as "Reserved, not to be allocated" and to update the references to
show [RFC6378].
[This.I-D].  Note that this action provides documentation of an action
already taken by IANA but not recorded in RFC 6378.
---


What exactly does the [This.I-D] do in its own sentence?  Did you mean
something like " update the references to show [RFC6378] and
[This.I-D].  Note that this action..." or is there something subtle
I'm not picking up on with your original phrasing?




eric

On Mon, Mar 17, 2014 at 2:43 PM, Adrian Farrel <adrian@olddog.co.uk> wrote:
> Hi Eric,
>
> A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which is currently
> in IESG evaluation) have given rise to two small proposed additions to
> draft-ietf-mpls-psc-updates
>
> 1. I think this warrants a very small section of its own...
>
> x.y  PSC TLV Format
>
> [RFC6378] defines the capability to carry TLVs in the PSC messages. This section
> defines the format to be used by all such TLVs.
>
> Type field (T)
> A two octet field that encodes a type value in network byte order. The type
> values are recorded in the IANA registry "MPLS PSC TLV Registry".
>
> Length field (L)
> A two octet field that encodes the length in octets of the Value field in
> network byte order. The value of this field MUST be a multiple of 4.
>
> Value field (V)
> The contents of the TLV. This field MUST be a multiple of 4 octets and so may
> contain explicit padding.
>
>
> 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV Registry". It
> was agreed that 0 would be reserved, but this was not recorded in RFC 6378.
> Therefore, the IANA section of draft-ietf-mpls-psc-updates should include the
> text...
>
> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry" as
> "Reserved, not to be allocated" and to update the references to show [RFC6378].
> [This.I-D].  Note that this action provides documentation of an action already
> taken by IANA but not recorded in RFC 6378.
>
>
> Hope everyone is comfortable with this.
>
> Thanks,
> Adrian
>


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From: Mach Chen <mach.chen@huawei.com>
To: Shahram Davari <davari@broadcom.com>
Thread-Topic: [mpls] Clarification on source label usage
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Date: Thu, 20 Mar 2014 14:43:10 +0000
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Subject: Re: [mpls] Clarification on source label usage
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Hi Shahram,

Because there are requirements to perform Passive performance measurement, =
that means to measure the performance of the real traffic, not the performa=
nce of the OAM packets.

Best regards,
Mach

From: Shahram Davari [mailto:davari@broadcom.com]
Sent: Wednesday, March 19, 2014 10:17 PM
To: Mach Chen
Cc: Binny Jeshan; mpls@ietf.org
Subject: Re: [mpls] Clarification on source label usage

Hi

For flow identification. You could use a MEPID inside the OAM message. Why =
do you need another label?

Regards,
Shahram


On Mar 19, 2014, at 1:52 AM, "Mach Chen" <mach.chen@huawei.com<mailto:mach.=
chen@huawei.com>> wrote:
Hi Binny,

No,  G-Ach works fine.

The OAM I mentioned mainly refers to the performance measurement(passive) t=
hat is listed as the first use case in the draft, the source label is used =
for flow identification.

Best regards,
Mach

From: Binny Jeshan [mailto:binnyjeshan@gmail.com]
Sent: Tuesday, March 18, 2014 3:01 PM
To: Mach Chen
Cc: mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Mach,

Do you mean the G-Ach ?

Regards,
Binny.

Aricent

On 18 March 2014 02:51, Mach Chen <mach.chen@huawei.com<mailto:mach.chen@hu=
awei.com>> wrote:
Hi MPLSers,

Yesterday, there are a lots of discussions on source label, thanks for the =
discussions. I'd like to make a clarification on the usage of source label,=
 I think there may be a  misunderstanding of the usage of source label. The=
 main purpose for MPLS source label is OAM, source label applies to real pa=
ckets is optional.


Best regards,
Mach



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<body lang=3D"ZH-CN" link=3D"blue" vlink=3D"purple">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram=
,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Because th=
ere are requirements to perform Passive performance measurement, that means=
 to measure the performance of the real traffic, not the performance
 of the OAM packets.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regar=
ds,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> Shahram Davari [mailto:davari@broadcom.com]
<br>
<b>Sent:</b> Wednesday, March 19, 2014 10:17 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> Binny Jeshan; mpls@ietf.org<br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage<o:p></o:p></=
span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">For flow identification. You co=
uld use a MEPID inside the OAM message. Why do you need another label?<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><br>
Regards, <o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Shahram<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
On Mar 19, 2014, at 1:52 AM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<o:p></o:p></span></=
p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Binny,<=
/span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">No, &nbsp;=
G-Ach works fine.
</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">The OAM I =
mentioned mainly refers to the performance measurement(passive) that is lis=
ted as the first use case in the draft, the source label is
 used for flow identification. </span><span lang=3D"EN-US"><o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regar=
ds,</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach</span=
><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> Binny Jeshan [<a href=3D"mailto:binnyjeshan@gmail.com=
">mailto:binnyjeshan@gmail.com</a>]
<br>
<b>Sent:</b> Tuesday, March 18, 2014 3:01 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage</span><span =
lang=3D"EN-US"><o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Mach,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Do you mean the G-Ach ? <o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Regards,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Binny.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Aricent<o:p></o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
&nbsp;<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">On 18 March 2014 02:51, Mach Ch=
en &lt;<a href=3D"mailto:mach.chen@huawei.com" target=3D"_blank">mach.chen@=
huawei.com</a>&gt; wrote:<o:p></o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Hi MPLSers,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Yesterday, there are a lots of discussions on=
 source label, thanks for the discussions. I&#8217;d like to make a clarifi=
cation on the usage of source label, I think
 there may be a &nbsp;misunderstanding of the usage of source label. The ma=
in purpose for MPLS source label is OAM, source label applies to real packe=
ts is optional.
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Best regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Mach<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/mpls</a><o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</div>
</blockquote>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">_______________________________=
________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org=
/mailman/listinfo/mpls</a><o:p></o:p></span></p>
</div>
</blockquote>
</div>
</div>
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From: Shahram Davari <davari@broadcom.com>
To: Mach Chen <mach.chen@huawei.com>
Thread-Topic: [mpls] Clarification on source label usage
Thread-Index: Ac859wY/HtI+Q5xYT9KoGBS6SQcBeQIu3ZoAADYtZwD//+VjU4ACDv4A//+NFG4=
Date: Thu, 20 Mar 2014 14:51:50 +0000
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Subject: Re: [mpls] Clarification on source label usage
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Hi

So you want source label for data traffic so that you can do direct loss me=
asurement instead of synthetic loss measurement. Is that correct?

If so then this statement is not correct:

"The main purpose for MPLS source label is OAM, source label applies to rea=
l packets is optional."

So

Regards,
Shahram


On Mar 20, 2014, at 7:43 AM, "Mach Chen" <mach.chen@huawei.com<mailto:mach.=
chen@huawei.com>> wrote:

Hi Shahram,

Because there are requirements to perform Passive performance measurement, =
that means to measure the performance of the real traffic, not the performa=
nce of the OAM packets.

Best regards,
Mach

From: Shahram Davari [mailto:davari@broadcom.com]
Sent: Wednesday, March 19, 2014 10:17 PM
To: Mach Chen
Cc: Binny Jeshan; mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Hi

For flow identification. You could use a MEPID inside the OAM message. Why =
do you need another label?

Regards,
Shahram


On Mar 19, 2014, at 1:52 AM, "Mach Chen" <mach.chen@huawei.com<mailto:mach.=
chen@huawei.com>> wrote:
Hi Binny,

No,  G-Ach works fine.

The OAM I mentioned mainly refers to the performance measurement(passive) t=
hat is listed as the first use case in the draft, the source label is used =
for flow identification.

Best regards,
Mach

From: Binny Jeshan [mailto:binnyjeshan@gmail.com]
Sent: Tuesday, March 18, 2014 3:01 PM
To: Mach Chen
Cc: mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Mach,

Do you mean the G-Ach ?

Regards,
Binny.

Aricent

On 18 March 2014 02:51, Mach Chen <mach.chen@huawei.com<mailto:mach.chen@hu=
awei.com>> wrote:
Hi MPLSers,

Yesterday, there are a lots of discussions on source label, thanks for the =
discussions. I=92d like to make a clarification on the usage of source labe=
l, I think there may be a  misunderstanding of the usage of source label. T=
he main purpose for MPLS source label is OAM, source label applies to real =
packets is optional.


Best regards,
Mach



_______________________________________________
mpls mailing list
mpls@ietf.org<mailto:mpls@ietf.org>
https://www.ietf.org/mailman/listinfo/mpls

_______________________________________________
mpls mailing list
mpls@ietf.org<mailto:mpls@ietf.org>
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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1=
252">
</head>
<body dir=3D"auto">
<div>Hi</div>
<div><br>
</div>
<div>So you want source label for data traffic so that you can do direct lo=
ss measurement instead of synthetic loss measurement. Is that correct?&nbsp=
;</div>
<div><br>
</div>
<div>If so then this statement is not correct:</div>
<div><br>
</div>
<div>&quot;<span style=3D"font-family: 'Times New Roman', serif; font-size:=
 12pt;">The main purpose for MPLS source label is OAM, source label applies=
 to real packets is optional.&quot;</span></div>
<div><br>
</div>
<div>So&nbsp;<br>
<br>
Regards,
<div>Shahram</div>
<div><br>
</div>
</div>
<div><br>
On Mar 20, 2014, at 7:43 AM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<br>
<br>
</div>
<blockquote type=3D"cite">
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram=
,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Because th=
ere are requirements to perform Passive performance measurement, that means=
 to measure the performance of the real traffic, not the performance
 of the OAM packets.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regar=
ds,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> Shahram Davari [<a href=3D"mailto:davari@broadcom.com=
">mailto:davari@broadcom.com</a>]
<br>
<b>Sent:</b> Wednesday, March 19, 2014 10:17 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> Binny Jeshan; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>=
<br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage<o:p></o:p></=
span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">For flow identification. You co=
uld use a MEPID inside the OAM message. Why do you need another label?<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><br>
Regards, <o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Shahram<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
On Mar 19, 2014, at 1:52 AM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<o:p></o:p></span></=
p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Binny,<=
/span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">No, &nbsp;=
G-Ach works fine.
</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">The OAM I =
mentioned mainly refers to the performance measurement(passive) that is lis=
ted as the first use case in the draft, the source label is
 used for flow identification. </span><span lang=3D"EN-US"><o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regar=
ds,</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach</span=
><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> Binny Jeshan [<a href=3D"mailto:binnyjeshan@gmail.com=
">mailto:binnyjeshan@gmail.com</a>]
<br>
<b>Sent:</b> Tuesday, March 18, 2014 3:01 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage</span><span =
lang=3D"EN-US"><o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Mach,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Do you mean the G-Ach ? <o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Regards,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Binny.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Aricent<o:p></o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
&nbsp;<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">On 18 March 2014 02:51, Mach Ch=
en &lt;<a href=3D"mailto:mach.chen@huawei.com" target=3D"_blank">mach.chen@=
huawei.com</a>&gt; wrote:<o:p></o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Hi MPLSers,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Yesterday, there are a lots of discussions on=
 source label, thanks for the discussions. I=92d like to make a clarificati=
on on the usage of source label, I think
 there may be a &nbsp;misunderstanding of the usage of source label. The ma=
in purpose for MPLS source label is OAM, source label applies to real packe=
ts is optional.
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Best regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Mach<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/mpls</a><o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</div>
</blockquote>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">_______________________________=
________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org=
/mailman/listinfo/mpls</a><o:p></o:p></span></p>
</div>
</blockquote>
</div>
</div>
</div>
</blockquote>
</body>
</html>

--_000_34D585361B5543B6A4315E686BDE31BCbroadcomcom_--


From nobody Thu Mar 20 08:00:25 2014
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From: Mach Chen <mach.chen@huawei.com>
To: Yimin Shen <yshen@juniper.net>, "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-label@tools.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Mail regarding draft-chen-mpls-source-label
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Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Yimin,

Thanks for your questions and comments!

Please see my reply inline...

> -----Original Message-----
> From: Mach Chen
> Sent: Thursday, March 20, 2014 10:45 PM
> To: Mach Chen
> Subject: FW: Mail regarding draft-chen-mpls-source-label
>=20
>=20
>=20
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> Sent: Thursday, March 20, 2014 12:03 AM
> To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
>=20
> Hi authors,
>=20
> Can you please clarify if SL is expected to be used only by egress node, =
or by
> intermediate node as well ?

The SL can be used by the egress and intermediate node, but for intermediat=
e node, since the SL may not be on the top of the label stack, if it wants =
to use it, it needs to search the label stack to find the SL, just as to fi=
nd an EL.

>=20
> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use cas=
e
> for intermediate node, but I think congestion should in general be resolv=
ed by
> control plane to reroute traffic based on a global view of network resour=
ces,
> rather than by data plane based on a SL. In your case, would the intermed=
iate
> node move the traffic to an LSP that is different than the LSP intended b=
y the
> ingress node ? I don't think it is the right thing to do.
>=20
> Regarding the use case of section 3.3 "Source Filtering". If somebody is =
doing
> DoS attack, why would he put an SL in the packets ?

Regarding to these two use cases, as discussed with Curtis, there need more=
 considerations, we will remove these two section in the next revision.

Thanks,
Mach

>=20
> Thanks,
>=20
> /Yimin
>=20
>=20
>=20
>=20


From nobody Thu Mar 20 08:08:54 2014
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Working Group,

We had a working group last on version -02 of this document. That
was 5-6 months ago, due to the delayed updates we will run a short
wglc on the updated document limited to verifying that the wg are
comfortable with the changes.

This mail initiate that short working group last call on
draft-ietf-mpls-ldp-hello-crypto-auth-03

Please send your comments to the mpls working group mailing list
(mpls@ietf.org).

This short wglc ends March 28, 2014.

The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-ldp-hello-crypto-auth/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-ldp-hello-crypto-auth-03

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-ldp-hello-crypto-auth-03


/Loa
for the MPLS wg co-chairs
-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Thu Mar 20 08:36:01 2014
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From: Gregory Mirsky <gregory.mirsky@ericsson.com>
To: Shahram Davari <davari@broadcom.com>, Mach Chen <mach.chen@huawei.com>
Thread-Topic: [mpls] Clarification on source label usage
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Archived-At: http://mailarchive.ietf.org/arch/msg/mpls/ZzA_yXknT3UEClke7I1WvjGFg2I
Cc: "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage
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Hi Shahram,
synthetic loss measurement is for out-of-service scenario. Use of SLI/SL en=
ables passive performance measurement of not only loss but delay and delay =
variation on live traffic. That does not require that SLI/SL be always inse=
rted in data traffic, not that even all packets be marked with it. I can re=
fer you to draft-chen-ippm-coloring-based-ipfpm-framework for more clues on=
 how SLI/SL may be used for passive performance measurement.

I think that given that, the statement is accurate.

                Regards,
                                Greg

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Shahram Davari
Sent: Thursday, March 20, 2014 7:52 AM
To: Mach Chen
Cc: mpls@ietf.org
Subject: Re: [mpls] Clarification on source label usage

Hi

So you want source label for data traffic so that you can do direct loss me=
asurement instead of synthetic loss measurement. Is that correct?

If so then this statement is not correct:

"The main purpose for MPLS source label is OAM, source label applies to rea=
l packets is optional."

So

Regards,
Shahram


On Mar 20, 2014, at 7:43 AM, "Mach Chen" <mach.chen@huawei.com<mailto:mach.=
chen@huawei.com>> wrote:
Hi Shahram,

Because there are requirements to perform Passive performance measurement, =
that means to measure the performance of the real traffic, not the performa=
nce of the OAM packets.

Best regards,
Mach

From: Shahram Davari [mailto:davari@broadcom.com]
Sent: Wednesday, March 19, 2014 10:17 PM
To: Mach Chen
Cc: Binny Jeshan; mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Hi

For flow identification. You could use a MEPID inside the OAM message. Why =
do you need another label?

Regards,
Shahram


On Mar 19, 2014, at 1:52 AM, "Mach Chen" <mach.chen@huawei.com<mailto:mach.=
chen@huawei.com>> wrote:
Hi Binny,

No,  G-Ach works fine.

The OAM I mentioned mainly refers to the performance measurement(passive) t=
hat is listed as the first use case in the draft, the source label is used =
for flow identification.

Best regards,
Mach

From: Binny Jeshan [mailto:binnyjeshan@gmail.com]
Sent: Tuesday, March 18, 2014 3:01 PM
To: Mach Chen
Cc: mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Mach,

Do you mean the G-Ach ?

Regards,
Binny.

Aricent

On 18 March 2014 02:51, Mach Chen <mach.chen@huawei.com<mailto:mach.chen@hu=
awei.com>> wrote:
Hi MPLSers,

Yesterday, there are a lots of discussions on source label, thanks for the =
discussions. I'd like to make a clarification on the usage of source label,=
 I think there may be a  misunderstanding of the usage of source label. The=
 main purpose for MPLS source label is OAM, source label applies to real pa=
ckets is optional.


Best regards,
Mach



_______________________________________________
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https://www.ietf.org/mailman/listinfo/mpls

_______________________________________________
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</head>
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram,<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">synthetic loss measuremen=
t is for out-of-service scenario. Use of SLI/SL enables passive performance=
 measurement of not only loss but delay and delay variation
 on live traffic. That does not require that SLI/SL be always inserted in d=
ata traffic, not that even all packets be marked with it. I can refer you t=
o draft-chen-ippm-coloring-based-ipfpm-framework for more clues on how SLI/=
SL may be used for passive performance
 measurement.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">I think that given that, =
the statement is accurate.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Regards,<=
o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp; Greg<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [ma=
ilto:mpls-bounces@ietf.org]
<b>On Behalf Of </b>Shahram Davari<br>
<b>Sent:</b> Thursday, March 20, 2014 7:52 AM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> mpls@ietf.org<br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage<o:p></o:p></=
span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal">Hi<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">So you want source label for data traffic so that yo=
u can do direct loss measurement instead of synthetic loss measurement. Is =
that correct?&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">If so then this statement is not correct:<o:p></o:p>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&quot;The main purpose for MPLS source label is OAM,=
 source label applies to real packets is optional.&quot;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">So&nbsp;<br>
<br>
Regards, <o:p></o:p></p>
<div>
<p class=3D"MsoNormal">Shahram<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
On Mar 20, 2014, at 7:43 AM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<o:p></o:p></p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram,</span><o:p></=
o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Because there are require=
ments to perform Passive performance measurement, that means to measure the=
 performance of the real traffic, not the performance of
 the OAM packets.</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regards,</span><o:p>=
</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach
</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Shahram =
Davari [<a href=3D"mailto:davari@broadcom.com">mailto:davari@broadcom.com</=
a>]
<br>
<b>Sent:</b> Wednesday, March 19, 2014 10:17 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> Binny Jeshan; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>=
<br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage</span><o:p><=
/o:p></p>
</div>
</div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
<div>
<p class=3D"MsoNormal">Hi<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">For flow identification. You could use a MEPID insid=
e the OAM message. Why do you need another label?<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><br>
Regards, <o:p></o:p></p>
<div>
<p class=3D"MsoNormal">Shahram<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
On Mar 19, 2014, at 1:52 AM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<o:p></o:p></p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Binny,</span><o:p></o:=
p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">No, &nbsp;G-Ach works fin=
e.
</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">The OAM I mentioned mainl=
y refers to the performance measurement(passive) that is listed as the firs=
t use case in the draft, the source label is used for flow
 identification. </span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regards,</span><o:p>=
</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach</span><o:p></o:p></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Binny Je=
shan [<a href=3D"mailto:binnyjeshan@gmail.com">mailto:binnyjeshan@gmail.com=
</a>]
<br>
<b>Sent:</b> Tuesday, March 18, 2014 3:01 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage</span><o:p><=
/o:p></p>
</div>
</div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
<div>
<div>
<p class=3D"MsoNormal">Mach,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Do you mean the G-Ach ? <o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Regards,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Binny.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Aricent<o:p></o:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">&nbsp;<o:p></o:p></p>
<div>
<p class=3D"MsoNormal">On 18 March 2014 02:51, Mach Chen &lt;<a href=3D"mai=
lto:mach.chen@huawei.com" target=3D"_blank">mach.chen@huawei.com</a>&gt; wr=
ote:<o:p></o:p></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">Hi MPLSers,<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">&nbsp;<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">Yesterday, there are a lots of discussions on source label, thanks=
 for the discussions. I&#8217;d like to make a clarification on the usage o=
f source label, I think there may be a &nbsp;misunderstanding
 of the usage of source label. The main purpose for MPLS source label is OA=
M, source label applies to real packets is optional.
<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">&nbsp;<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">&nbsp;<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">Best regards,<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">Mach<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">&nbsp;<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">&nbsp;<o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/mpls</a><o:p></o:p></p>
</div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
</div>
</div>
</blockquote>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal">_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org=
/mailman/listinfo/mpls</a><o:p></o:p></p>
</div>
</blockquote>
</div>
</div>
</blockquote>
</div>
</body>
</html>

--_000_7347100B5761DC41A166AC17F22DF1121B788DE9eusaamb103erics_--


From nobody Thu Mar 20 09:01:22 2014
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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: "'Eric Osborne'" <eric@notcom.com>
References: <290801cf4210$dccee410$966cac30$@olddog.co.uk> <CA+97oKMEpLmkvLSbfDePVM_qszvSENgBOT5awB1++b1ii8sZeg@mail.gmail.com>
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Date: Thu, 20 Mar 2014 16:01:00 -0000
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Cc: 'Eric Osborne' <eric.osborne@notcom.com>, mpls@ietf.org
Subject: Re: [mpls] Early AD comments on draft-ietf-mpls-psc-updates
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Yes, you're right. Should be a comma not a period.

A

> -----Original Message-----
> From: Eric Osborne [mailto:eric@notcom.com]
> Sent: 20 March 2014 14:39
> To: Adrian Farrel
> Cc: Eric Osborne; mpls@ietf.org
> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
> 
> Hi Adrian-
> 
> 
> 
>   Thanks for these.  I am OK with them and will add them to the
> version I post next. I'm not clear on the nuances of your IANA text,
> though.  You say:
> 
> 
> ---
> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
> as "Reserved, not to be allocated" and to update the references to
> show [RFC6378].
> [This.I-D].  Note that this action provides documentation of an action
> already taken by IANA but not recorded in RFC 6378.
> ---
> 
> 
> What exactly does the [This.I-D] do in its own sentence?  Did you mean
> something like " update the references to show [RFC6378] and
> [This.I-D].  Note that this action..." or is there something subtle
> I'm not picking up on with your original phrasing?
> 
> 
> 
> 
> eric
> 
> On Mon, Mar 17, 2014 at 2:43 PM, Adrian Farrel <adrian@olddog.co.uk> wrote:
> > Hi Eric,
> >
> > A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which is
currently
> > in IESG evaluation) have given rise to two small proposed additions to
> > draft-ietf-mpls-psc-updates
> >
> > 1. I think this warrants a very small section of its own...
> >
> > x.y  PSC TLV Format
> >
> > [RFC6378] defines the capability to carry TLVs in the PSC messages. This
section
> > defines the format to be used by all such TLVs.
> >
> > Type field (T)
> > A two octet field that encodes a type value in network byte order. The type
> > values are recorded in the IANA registry "MPLS PSC TLV Registry".
> >
> > Length field (L)
> > A two octet field that encodes the length in octets of the Value field in
> > network byte order. The value of this field MUST be a multiple of 4.
> >
> > Value field (V)
> > The contents of the TLV. This field MUST be a multiple of 4 octets and so
may
> > contain explicit padding.
> >
> >
> > 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV
Registry". It
> > was agreed that 0 would be reserved, but this was not recorded in RFC 6378.
> > Therefore, the IANA section of draft-ietf-mpls-psc-updates should include
the
> > text...
> >
> > IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry" as
> > "Reserved, not to be allocated" and to update the references to show
> [RFC6378].
> > [This.I-D].  Note that this action provides documentation of an action
already
> > taken by IANA but not recorded in RFC 6378.
> >
> >
> > Hope everyone is comfortable with this.
> >
> > Thanks,
> > Adrian
> >


From nobody Thu Mar 20 09:17:42 2014
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Date: Thu, 20 Mar 2014 12:17:30 -0400
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From: Eric Osborne <eric@notcom.com>
To: Adrian Farrel <adrian@olddog.co.uk>
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Subject: Re: [mpls] Early AD comments on draft-ietf-mpls-psc-updates
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OK.
Loa's suggestion is

"... update the reference to RFC 6378 to say [this ID]"

Adrian's is "...update the references to show [RFC6378], [This ID]".

I think Loa's makes more sense...why would we have the registry
allocation point to both 6378 and thisID if 6378 doesn't say anything?

Whatever text you guys agree on, I'll use.



eric

On Thu, Mar 20, 2014 at 12:01 PM, Adrian Farrel <adrian@olddog.co.uk> wrote:
> Yes, you're right. Should be a comma not a period.
>
> A
>
>> -----Original Message-----
>> From: Eric Osborne [mailto:eric@notcom.com]
>> Sent: 20 March 2014 14:39
>> To: Adrian Farrel
>> Cc: Eric Osborne; mpls@ietf.org
>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
>>
>> Hi Adrian-
>>
>>
>>
>>   Thanks for these.  I am OK with them and will add them to the
>> version I post next. I'm not clear on the nuances of your IANA text,
>> though.  You say:
>>
>>
>> ---
>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>> as "Reserved, not to be allocated" and to update the references to
>> show [RFC6378].
>> [This.I-D].  Note that this action provides documentation of an action
>> already taken by IANA but not recorded in RFC 6378.
>> ---
>>
>>
>> What exactly does the [This.I-D] do in its own sentence?  Did you mean
>> something like " update the references to show [RFC6378] and
>> [This.I-D].  Note that this action..." or is there something subtle
>> I'm not picking up on with your original phrasing?
>>
>>
>>
>>
>> eric
>>
>> On Mon, Mar 17, 2014 at 2:43 PM, Adrian Farrel <adrian@olddog.co.uk> wrote:
>> > Hi Eric,
>> >
>> > A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which is
> currently
>> > in IESG evaluation) have given rise to two small proposed additions to
>> > draft-ietf-mpls-psc-updates
>> >
>> > 1. I think this warrants a very small section of its own...
>> >
>> > x.y  PSC TLV Format
>> >
>> > [RFC6378] defines the capability to carry TLVs in the PSC messages. This
> section
>> > defines the format to be used by all such TLVs.
>> >
>> > Type field (T)
>> > A two octet field that encodes a type value in network byte order. The type
>> > values are recorded in the IANA registry "MPLS PSC TLV Registry".
>> >
>> > Length field (L)
>> > A two octet field that encodes the length in octets of the Value field in
>> > network byte order. The value of this field MUST be a multiple of 4.
>> >
>> > Value field (V)
>> > The contents of the TLV. This field MUST be a multiple of 4 octets and so
> may
>> > contain explicit padding.
>> >
>> >
>> > 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV
> Registry". It
>> > was agreed that 0 would be reserved, but this was not recorded in RFC 6378.
>> > Therefore, the IANA section of draft-ietf-mpls-psc-updates should include
> the
>> > text...
>> >
>> > IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry" as
>> > "Reserved, not to be allocated" and to update the references to show
>> [RFC6378].
>> > [This.I-D].  Note that this action provides documentation of an action
> already
>> > taken by IANA but not recorded in RFC 6378.
>> >
>> >
>> > Hope everyone is comfortable with this.
>> >
>> > Thanks,
>> > Adrian
>> >
>


From nobody Thu Mar 20 09:26:57 2014
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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: "'Eric Osborne'" <eric@notcom.com>
References: <290801cf4210$dccee410$966cac30$@olddog.co.uk>	<CA+97oKMEpLmkvLSbfDePVM_qszvSENgBOT5awB1++b1ii8sZeg@mail.gmail.com>	<055001cf4455$98a3e320$c9eba960$@olddog.co.uk> <CA+97oKMsYrW+iqTVNV+aXjy22VzYZ5YE929M=uYykqvPCnF0Sg@mail.gmail.com>
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The action was taken for RFC 6378, so it should be mentioned.

> -----Original Message-----
> From: Eric Osborne [mailto:eric@notcom.com]
> Sent: 20 March 2014 16:18
> To: Adrian Farrel
> Cc: Eric Osborne; mpls@ietf.org
> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
> 
> OK.
> Loa's suggestion is
> 
> "... update the reference to RFC 6378 to say [this ID]"
> 
> Adrian's is "...update the references to show [RFC6378], [This ID]".
> 
> I think Loa's makes more sense...why would we have the registry
> allocation point to both 6378 and thisID if 6378 doesn't say anything?
> 
> Whatever text you guys agree on, I'll use.
> 
> 
> 
> eric
> 
> On Thu, Mar 20, 2014 at 12:01 PM, Adrian Farrel <adrian@olddog.co.uk> wrote:
> > Yes, you're right. Should be a comma not a period.
> >
> > A
> >
> >> -----Original Message-----
> >> From: Eric Osborne [mailto:eric@notcom.com]
> >> Sent: 20 March 2014 14:39
> >> To: Adrian Farrel
> >> Cc: Eric Osborne; mpls@ietf.org
> >> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
> >>
> >> Hi Adrian-
> >>
> >>
> >>
> >>   Thanks for these.  I am OK with them and will add them to the
> >> version I post next. I'm not clear on the nuances of your IANA text,
> >> though.  You say:
> >>
> >>
> >> ---
> >> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
> >> as "Reserved, not to be allocated" and to update the references to
> >> show [RFC6378].
> >> [This.I-D].  Note that this action provides documentation of an action
> >> already taken by IANA but not recorded in RFC 6378.
> >> ---
> >>
> >>
> >> What exactly does the [This.I-D] do in its own sentence?  Did you mean
> >> something like " update the references to show [RFC6378] and
> >> [This.I-D].  Note that this action..." or is there something subtle
> >> I'm not picking up on with your original phrasing?
> >>
> >>
> >>
> >>
> >> eric
> >>
> >> On Mon, Mar 17, 2014 at 2:43 PM, Adrian Farrel <adrian@olddog.co.uk>
> wrote:
> >> > Hi Eric,
> >> >
> >> > A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which is
> > currently
> >> > in IESG evaluation) have given rise to two small proposed additions to
> >> > draft-ietf-mpls-psc-updates
> >> >
> >> > 1. I think this warrants a very small section of its own...
> >> >
> >> > x.y  PSC TLV Format
> >> >
> >> > [RFC6378] defines the capability to carry TLVs in the PSC messages. This
> > section
> >> > defines the format to be used by all such TLVs.
> >> >
> >> > Type field (T)
> >> > A two octet field that encodes a type value in network byte order. The
type
> >> > values are recorded in the IANA registry "MPLS PSC TLV Registry".
> >> >
> >> > Length field (L)
> >> > A two octet field that encodes the length in octets of the Value field in
> >> > network byte order. The value of this field MUST be a multiple of 4.
> >> >
> >> > Value field (V)
> >> > The contents of the TLV. This field MUST be a multiple of 4 octets and so
> > may
> >> > contain explicit padding.
> >> >
> >> >
> >> > 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV
> > Registry". It
> >> > was agreed that 0 would be reserved, but this was not recorded in RFC
6378.
> >> > Therefore, the IANA section of draft-ietf-mpls-psc-updates should include
> > the
> >> > text...
> >> >
> >> > IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry" as
> >> > "Reserved, not to be allocated" and to update the references to show
> >> [RFC6378].
> >> > [This.I-D].  Note that this action provides documentation of an action
> > already
> >> > taken by IANA but not recorded in RFC 6378.
> >> >
> >> >
> >> > Hope everyone is comfortable with this.
> >> >
> >> > Thanks,
> >> > Adrian
> >> >
> >


From nobody Thu Mar 20 09:37:08 2014
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From: Loa Andersson <loa@pi.nu>
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Cc: 'Eric Osborne' <eric.osborne@notcom.com>, mpls@ietf.org
Subject: Re: [mpls] Early AD comments on draft-ietf-mpls-psc-updates
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Folks,

I can live with the:
"...update the references to show [RFC6378], [This ID]".

It is correct that the action was taken for RFC 6378, but it is
also correct that it was never mentioned in RFC 6378. So I guess
that what we need to say is:

"IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
  as "Reserved, not to be allocated" and to update the references to
  show [RFC6378], [This.I-D].  Note that this action provides
  documentation of an action already taken by IANA but not recorded
  in RFC 6378. This is an update to RFC 6378."

/Loa

On 2014-03-20 17:26, Adrian Farrel wrote:
> The action was taken for RFC 6378, so it should be mentioned.
>
>> -----Original Message-----
>> From: Eric Osborne [mailto:eric@notcom.com]
>> Sent: 20 March 2014 16:18
>> To: Adrian Farrel
>> Cc: Eric Osborne; mpls@ietf.org
>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
>>
>> OK.
>> Loa's suggestion is
>>
>> "... update the reference to RFC 6378 to say [this ID]"
>>
>> Adrian's is "...update the references to show [RFC6378], [This ID]".
>>
>> I think Loa's makes more sense...why would we have the registry
>> allocation point to both 6378 and thisID if 6378 doesn't say anything?
>>
>> Whatever text you guys agree on, I'll use.
>>
>>
>>
>> eric
>>
>> On Thu, Mar 20, 2014 at 12:01 PM, Adrian Farrel <adrian@olddog.co.uk> wrote:
>>> Yes, you're right. Should be a comma not a period.
>>>
>>> A
>>>
>>>> -----Original Message-----
>>>> From: Eric Osborne [mailto:eric@notcom.com]
>>>> Sent: 20 March 2014 14:39
>>>> To: Adrian Farrel
>>>> Cc: Eric Osborne; mpls@ietf.org
>>>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
>>>>
>>>> Hi Adrian-
>>>>
>>>>
>>>>
>>>>    Thanks for these.  I am OK with them and will add them to the
>>>> version I post next. I'm not clear on the nuances of your IANA text,
>>>> though.  You say:
>>>>
>>>>
>>>> ---
>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>> as "Reserved, not to be allocated" and to update the references to
>>>> show [RFC6378].
>>>> [This.I-D].  Note that this action provides documentation of an action
>>>> already taken by IANA but not recorded in RFC 6378.
>>>> ---
>>>>
>>>>
>>>> What exactly does the [This.I-D] do in its own sentence?  Did you mean
>>>> something like " update the references to show [RFC6378] and
>>>> [This.I-D].  Note that this action..." or is there something subtle
>>>> I'm not picking up on with your original phrasing?
>>>>
>>>>
>>>>
>>>>
>>>> eric
>>>>
>>>> On Mon, Mar 17, 2014 at 2:43 PM, Adrian Farrel <adrian@olddog.co.uk>
>> wrote:
>>>>> Hi Eric,
>>>>>
>>>>> A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which is
>>> currently
>>>>> in IESG evaluation) have given rise to two small proposed additions to
>>>>> draft-ietf-mpls-psc-updates
>>>>>
>>>>> 1. I think this warrants a very small section of its own...
>>>>>
>>>>> x.y  PSC TLV Format
>>>>>
>>>>> [RFC6378] defines the capability to carry TLVs in the PSC messages. This
>>> section
>>>>> defines the format to be used by all such TLVs.
>>>>>
>>>>> Type field (T)
>>>>> A two octet field that encodes a type value in network byte order. The
> type
>>>>> values are recorded in the IANA registry "MPLS PSC TLV Registry".
>>>>>
>>>>> Length field (L)
>>>>> A two octet field that encodes the length in octets of the Value field in
>>>>> network byte order. The value of this field MUST be a multiple of 4.
>>>>>
>>>>> Value field (V)
>>>>> The contents of the TLV. This field MUST be a multiple of 4 octets and so
>>> may
>>>>> contain explicit padding.
>>>>>
>>>>>
>>>>> 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV
>>> Registry". It
>>>>> was agreed that 0 would be reserved, but this was not recorded in RFC
> 6378.
>>>>> Therefore, the IANA section of draft-ietf-mpls-psc-updates should include
>>> the
>>>>> text...
>>>>>
>>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry" as
>>>>> "Reserved, not to be allocated" and to update the references to show
>>>> [RFC6378].
>>>>> [This.I-D].  Note that this action provides documentation of an action
>>> already
>>>>> taken by IANA but not recorded in RFC 6378.
>>>>>
>>>>>
>>>>> Hope everyone is comfortable with this.
>>>>>
>>>>> Thanks,
>>>>> Adrian
>>>>>
>>>
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Thu Mar 20 10:44:09 2014
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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: <draft-ietf-mpls-psc-updates.all@tools.ietf.org>
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All,

I have done my usual AD review of this document on receiving the
publication request. I find this to be a clear and functional
document. Thanks to Eric for holding the pen and to the reviewers
or their input.

The only comments I have are, I believe, already in hand with Eric.

After these updates the Shepherd write-up will need to be updated 
because there will be an additional update to 6378, and there will be
an IANA action document.

Similarly, the text of the I-D that talks about the number of updates
will need to be updated.

I'll put the document into "Revised I-D Needed" state and wait for the
next version.

Thanks for the work,
Adrian

=======

Per my earlier email (fixed for the typo):

> A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which is
> currently in IESG evaluation) have given rise to two small proposed 
> additions to draft-ietf-mpls-psc-updates
>
> 1. I think this warrants a very small section of its own...
>
> x.y  PSC TLV Format
>
>   [RFC6378] defines the capability to carry TLVs in the PSC messages.
>   This section defines the format to be used by all such TLVs.
>
>   Type field (T)
>      A two octet field that encodes a type value in network byte 
>      order. The type values are recorded in the IANA registry "MPLS
>      PSC TLV Registry".
>
>   Length field (L)
>      A two octet field that encodes the length in octets of the Value
>      field in network byte order. The value of this field MUST be a 
>      multiple of 4.
>                                                                           
>   Value field (V)
>      The contents of the TLV. This field MUST be a multiple of 4 
>      octets and so may contain explicit padding.
>
> 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV
> Registry". It was agreed that 0 would be reserved, but this was not
> recorded in RFC 6378. Therefore, the IANA section of draft-ietf-mpls-
> psc-updates should include the text...
>
> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
> as "Reserved, not to be allocated" and to update the references to 
> show [RFC6378] and [This.I-D].  Note that this action provides
> documentation of an action already taken by IANA but not recorded in
> RFC 6378.

---

Would be nice to fix the nits from idnits in the next revision.


From nobody Thu Mar 20 19:11:07 2014
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Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt
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Hi Mark,

I see your point and somewhat agree to it.

IMO, given the the unique RID requirement being limited inside the
network, using RFC 1918 (or for that matter, any arbitrary 4-octet string)
would suffice in an IPv6-only network.

--=20
Cheers,
Rajiv Asati
Distinguished Engineer, Cisco





-----Original Message-----
From: Mark Tinka <mark.tinka@seacom.mu>
Organization: SEACOM
Reply-To: <mark.tinka@seacom.mu>
Date: Thursday, March 20, 2014 at 8:46 AM
To: Rajiv Asati <rajiva@cisco.com>
Cc: "mpls@ietf.org" <mpls@ietf.org>,
"draft-george-mpls-ipv6-only-gap@tools.ietf.org"
<draft-george-mpls-ipv6-only-gap@tools.ietf.org>
Subject: Re: [mpls] draft-george-mpls-ipv6-only-gap-04.txt

>On Tuesday, March 18, 2014 10:30:23 PM Rajiv Asati (rajiva)
>wrote:
>
>> I wonder whether using RFC 1918 space would be needed,
>> since the operators have already had unique public IPv4
>> address space, which could continue to be used (as
>> usual) instead of private v4 space for the RID.
>
>I am referring to new ISP's who launch services long after
>the RIR's don't have IPv4 space anymore.
>
>In such a case, RFC 1918 is the only option for such ISP's,
>since they will have been really new on the scene.
>
>It is also not completely unreasonable to assume existing
>operators who have fully assigned all their IPv4 allocations
>will either recover public IPv4 from dual-stacked equipment
>to use as Router-ID's, or also consider RFC 1918 to continue
>growing the IPv6 single-stack network.
>
>Mark.


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Subject: [mpls] [Editorial Errata Reported] RFC6639 (3925)
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The following errata report has been submitted for RFC6639,
"Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Management Overview".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=6639&eid=3925

--------------------------------------
Type: Editorial
Reported by: Liu Lin <bestman0729@gmail.com>

Section: 4.2.9

Original Text
-------------
The pwTDMPerfCurrentTable [RFC5604], pwTDMPerfIntervalTable
[RFC5604], and pwTDMPerf1DayIntervalTable [RFC5604] contain
statistical information accumulated per 15-minute, 24-hour, and 1-day
periods, respectively.

Corrected Text
--------------
The pwTDMPerfCurrentTable [RFC5604], pwTDMPerfIntervalTable
[RFC5604], and pwTDMPerf1DayIntervalTable [RFC5604] contain
statistical information accumulated per 15-minute, 24-hour, and 1-month
periods, respectively.

Notes
-----
1-day  --> 1-month
RFC5604 section 6.1 states: 
    The TDM Performance Current Table (pwTDMPerfCurrentTable) contains TDM statistics for the current 15-minute period. 
    The TDM Performance Interval Table (pwTDMPerfIntervalTable) contains TDM statistics for historical intervals (usually 96 15-minute entries to cover a 24 hour period).
    The TDM Performance One-Day Interval Table (pwTDMPerf1DayIntervalTable) contains TDM statistics for historical intervals accumulated per day.  Usually 30 one-day entries to cover a monthly period.

Instructions:
-------------
This errata is currently posted as "Reported". If necessary, please
use "Reply All" to discuss whether it should be verified or
rejected. When a decision is reached, the verifying party (IESG)
can log in to change the status and edit the report, if necessary. 

--------------------------------------
RFC6639 (draft-ietf-mpls-tp-mib-management-overview-08)
--------------------------------------
Title               : Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Management Overview
Publication Date    : June 2012
Author(s)           : D. King, Ed., M. Venkatesan, Ed.
Category            : INFORMATIONAL
Source              : Multiprotocol Label Switching
Area                : Routing
Stream              : IETF
Verifying Party     : IESG


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From: Mach Chen <mach.chen@huawei.com>
To: Gregory Mirsky <gregory.mirsky@ericsson.com>, Shahram Davari <davari@broadcom.com>
Thread-Topic: [mpls] Clarification on source label usage
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Subject: Re: [mpls] Clarification on source label usage
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Agree.

Best regards,
Mach

From: Gregory Mirsky [mailto:gregory.mirsky@ericsson.com]
Sent: Thursday, March 20, 2014 11:36 PM
To: Shahram Davari; Mach Chen
Cc: mpls@ietf.org
Subject: RE: [mpls] Clarification on source label usage

Hi Shahram,
synthetic loss measurement is for out-of-service scenario. Use of SLI/SL en=
ables passive performance measurement of not only loss but delay and delay =
variation on live traffic. That does not require that SLI/SL be always inse=
rted in data traffic, not that even all packets be marked with it. I can re=
fer you to draft-chen-ippm-coloring-based-ipfpm-framework for more clues on=
 how SLI/SL may be used for passive performance measurement.

I think that given that, the statement is accurate.

                Regards,
                                Greg

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Shahram Davari
Sent: Thursday, March 20, 2014 7:52 AM
To: Mach Chen
Cc: mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Hi

So you want source label for data traffic so that you can do direct loss me=
asurement instead of synthetic loss measurement. Is that correct?

If so then this statement is not correct:

"The main purpose for MPLS source label is OAM, source label applies to rea=
l packets is optional."

So

Regards,
Shahram


On Mar 20, 2014, at 7:43 AM, "Mach Chen" <mach.chen@huawei.com<mailto:mach.=
chen@huawei.com>> wrote:
Hi Shahram,

Because there are requirements to perform Passive performance measurement, =
that means to measure the performance of the real traffic, not the performa=
nce of the OAM packets.

Best regards,
Mach

From: Shahram Davari [mailto:davari@broadcom.com]
Sent: Wednesday, March 19, 2014 10:17 PM
To: Mach Chen
Cc: Binny Jeshan; mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Hi

For flow identification. You could use a MEPID inside the OAM message. Why =
do you need another label?

Regards,
Shahram


On Mar 19, 2014, at 1:52 AM, "Mach Chen" <mach.chen@huawei.com<mailto:mach.=
chen@huawei.com>> wrote:
Hi Binny,

No,  G-Ach works fine.

The OAM I mentioned mainly refers to the performance measurement(passive) t=
hat is listed as the first use case in the draft, the source label is used =
for flow identification.

Best regards,
Mach

From: Binny Jeshan [mailto:binnyjeshan@gmail.com]
Sent: Tuesday, March 18, 2014 3:01 PM
To: Mach Chen
Cc: mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Mach,

Do you mean the G-Ach ?

Regards,
Binny.

Aricent

On 18 March 2014 02:51, Mach Chen <mach.chen@huawei.com<mailto:mach.chen@hu=
awei.com>> wrote:
Hi MPLSers,

Yesterday, there are a lots of discussions on source label, thanks for the =
discussions. I'd like to make a clarification on the usage of source label,=
 I think there may be a  misunderstanding of the usage of source label. The=
 main purpose for MPLS source label is OAM, source label applies to real pa=
ckets is optional.


Best regards,
Mach



_______________________________________________
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<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Agree.<o:p=
></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regar=
ds,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> Gregory Mirsky [mailto:gregory.mirsky@ericsson.com]
<br>
<b>Sent:</b> Thursday, March 20, 2014 11:36 PM<br>
<b>To:</b> Shahram Davari; Mach Chen<br>
<b>Cc:</b> mpls@ietf.org<br>
<b>Subject:</b> RE: [mpls] Clarification on source label usage<o:p></o:p></=
span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram=
,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">synthetic =
loss measurement is for out-of-service scenario. Use of SLI/SL enables pass=
ive performance measurement of not only loss but delay and
 delay variation on live traffic. That does not require that SLI/SL be alwa=
ys inserted in data traffic, not that even all packets be marked with it. I=
 can refer you to draft-chen-ippm-coloring-based-ipfpm-framework for more c=
lues on how SLI/SL may be used for
 passive performance measurement.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">I think th=
at given that, the statement is accurate.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp; Regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp; Greg<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> mpls [<a href=3D"mailto:mpls-bounces@ietf.org">mailto=
:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Shahram Davari<br>
<b>Sent:</b> Thursday, March 20, 2014 7:52 AM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage<o:p></o:p></=
span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">So you want source label for da=
ta traffic so that you can do direct loss measurement instead of synthetic =
loss measurement. Is that correct?&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">If so then this statement is no=
t correct:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&quot;The main purpose for MPLS=
 source label is OAM, source label applies to real packets is optional.&quo=
t;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">So&nbsp;<br>
<br>
Regards, <o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Shahram<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
On Mar 20, 2014, at 7:43 AM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<o:p></o:p></span></=
p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram=
,</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Because th=
ere are requirements to perform Passive performance measurement, that means=
 to measure the performance of the real traffic, not the performance
 of the OAM packets.</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regar=
ds,</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach
</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> Shahram Davari [<a href=3D"mailto:davari@broadcom.com=
">mailto:davari@broadcom.com</a>]
<br>
<b>Sent:</b> Wednesday, March 19, 2014 10:17 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> Binny Jeshan; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>=
<br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage</span><span =
lang=3D"EN-US"><o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">For flow identification. You co=
uld use a MEPID inside the OAM message. Why do you need another label?<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><br>
Regards, <o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Shahram<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
On Mar 19, 2014, at 1:52 AM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<o:p></o:p></span></=
p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Binny,<=
/span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">No, &nbsp;=
G-Ach works fine.
</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">The OAM I =
mentioned mainly refers to the performance measurement(passive) that is lis=
ted as the first use case in the draft, the source label is
 used for flow identification. </span><span lang=3D"EN-US"><o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regar=
ds,</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach</span=
><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> Binny Jeshan [<a href=3D"mailto:binnyjeshan@gmail.com=
">mailto:binnyjeshan@gmail.com</a>]
<br>
<b>Sent:</b> Tuesday, March 18, 2014 3:01 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage</span><span =
lang=3D"EN-US"><o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Mach,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Do you mean the G-Ach ? <o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Regards,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Binny.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Aricent<o:p></o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
&nbsp;<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">On 18 March 2014 02:51, Mach Ch=
en &lt;<a href=3D"mailto:mach.chen@huawei.com" target=3D"_blank">mach.chen@=
huawei.com</a>&gt; wrote:<o:p></o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Hi MPLSers,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Yesterday, there are a lots of discussions on=
 source label, thanks for the discussions. I&#8217;d like to make a clarifi=
cation on the usage of source label, I think
 there may be a &nbsp;misunderstanding of the usage of source label. The ma=
in purpose for MPLS source label is OAM, source label applies to real packe=
ts is optional.
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Best regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">Mach<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/mpls</a><o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</div>
</blockquote>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">_______________________________=
________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org=
/mailman/listinfo/mpls</a><o:p></o:p></span></p>
</div>
</blockquote>
</div>
</div>
</blockquote>
</div>
</div>
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OK.  Here's the exact text I've got:


--
8.  IANA Considerations

   IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
   as "Reserved, not to be allocated" and to update the references to
   show [RFC6378] and [RFC-ietf-mpls-psc-updates-03].  Note that this
   action provides documentation of an action already taken by IANA but
   not recorded in RFC 6378.

   Note to RFC Editor: this section may be removed on publication as an
   RFC
---


I wasn't sure if [This.ID] was intended to provoke variable
substitution, nor was I sure whether the square brackets meant that
the self-reference should also be a normative reference (to the
eventual This.RFC).  It seems overkill for a document to cite itself
as a normative reference ("in order to understand this document, you
should read it")...but on the other hand, perhaps we should start
doing that for all drafts that come out of MPLS now.

I took the exact formatting from the reference section of the MPLS PSC
TLV Registry, which does it like this:

---
Reference
  [RFC6378][RFC-ietf-mpls-moving-iana-registries-04]
---

and I did not cite the draft itself in its normative reference section.

Please let me know if this exact text is acceptable and then I will
post the draft.





eric


On Thu, Mar 20, 2014 at 12:36 PM, Loa Andersson <loa@pi.nu> wrote:
> Folks,
>
> I can live with the:
>
> "...update the references to show [RFC6378], [This ID]".
>
> It is correct that the action was taken for RFC 6378, but it is
> also correct that it was never mentioned in RFC 6378. So I guess
> that what we need to say is:
>
>
> "IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>  as "Reserved, not to be allocated" and to update the references to
>  show [RFC6378], [This.I-D].  Note that this action provides
>
>  documentation of an action already taken by IANA but not recorded
>  in RFC 6378. This is an update to RFC 6378."
>
> /Loa
>
>
> On 2014-03-20 17:26, Adrian Farrel wrote:
>>
>> The action was taken for RFC 6378, so it should be mentioned.
>>
>>> -----Original Message-----
>>> From: Eric Osborne [mailto:eric@notcom.com]
>>> Sent: 20 March 2014 16:18
>>> To: Adrian Farrel
>>> Cc: Eric Osborne; mpls@ietf.org
>>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
>>>
>>> OK.
>>> Loa's suggestion is
>>>
>>> "... update the reference to RFC 6378 to say [this ID]"
>>>
>>> Adrian's is "...update the references to show [RFC6378], [This ID]".
>>>
>>> I think Loa's makes more sense...why would we have the registry
>>> allocation point to both 6378 and thisID if 6378 doesn't say anything?
>>>
>>> Whatever text you guys agree on, I'll use.
>>>
>>>
>>>
>>> eric
>>>
>>> On Thu, Mar 20, 2014 at 12:01 PM, Adrian Farrel <adrian@olddog.co.uk>
>>> wrote:
>>>>
>>>> Yes, you're right. Should be a comma not a period.
>>>>
>>>> A
>>>>
>>>>> -----Original Message-----
>>>>> From: Eric Osborne [mailto:eric@notcom.com]
>>>>> Sent: 20 March 2014 14:39
>>>>> To: Adrian Farrel
>>>>> Cc: Eric Osborne; mpls@ietf.org
>>>>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
>>>>>
>>>>> Hi Adrian-
>>>>>
>>>>>
>>>>>
>>>>>    Thanks for these.  I am OK with them and will add them to the
>>>>> version I post next. I'm not clear on the nuances of your IANA text,
>>>>> though.  You say:
>>>>>
>>>>>
>>>>> ---
>>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>>> as "Reserved, not to be allocated" and to update the references to
>>>>> show [RFC6378].
>>>>> [This.I-D].  Note that this action provides documentation of an action
>>>>> already taken by IANA but not recorded in RFC 6378.
>>>>> ---
>>>>>
>>>>>
>>>>> What exactly does the [This.I-D] do in its own sentence?  Did you mean
>>>>> something like " update the references to show [RFC6378] and
>>>>> [This.I-D].  Note that this action..." or is there something subtle
>>>>> I'm not picking up on with your original phrasing?
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> eric
>>>>>
>>>>> On Mon, Mar 17, 2014 at 2:43 PM, Adrian Farrel <adrian@olddog.co.uk>
>>>
>>> wrote:
>>>>>>
>>>>>> Hi Eric,
>>>>>>
>>>>>> A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which is
>>>>
>>>> currently
>>>>>>
>>>>>> in IESG evaluation) have given rise to two small proposed additions to
>>>>>> draft-ietf-mpls-psc-updates
>>>>>>
>>>>>> 1. I think this warrants a very small section of its own...
>>>>>>
>>>>>> x.y  PSC TLV Format
>>>>>>
>>>>>> [RFC6378] defines the capability to carry TLVs in the PSC messages.
>>>>>> This
>>>>
>>>> section
>>>>>>
>>>>>> defines the format to be used by all such TLVs.
>>>>>>
>>>>>> Type field (T)
>>>>>> A two octet field that encodes a type value in network byte order. The
>>
>> type
>>>>>>
>>>>>> values are recorded in the IANA registry "MPLS PSC TLV Registry".
>>>>>>
>>>>>> Length field (L)
>>>>>> A two octet field that encodes the length in octets of the Value field
>>>>>> in
>>>>>> network byte order. The value of this field MUST be a multiple of 4.
>>>>>>
>>>>>> Value field (V)
>>>>>> The contents of the TLV. This field MUST be a multiple of 4 octets and
>>>>>> so
>>>>
>>>> may
>>>>>>
>>>>>> contain explicit padding.
>>>>>>
>>>>>>
>>>>>> 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV
>>>>
>>>> Registry". It
>>>>>>
>>>>>> was agreed that 0 would be reserved, but this was not recorded in RFC
>>
>> 6378.
>>>>>>
>>>>>> Therefore, the IANA section of draft-ietf-mpls-psc-updates should
>>>>>> include
>>>>
>>>> the
>>>>>>
>>>>>> text...
>>>>>>
>>>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>>>> as
>>>>>> "Reserved, not to be allocated" and to update the references to show
>>>>>
>>>>> [RFC6378].
>>>>>>
>>>>>> [This.I-D].  Note that this action provides documentation of an action
>>>>
>>>> already
>>>>>>
>>>>>> taken by IANA but not recorded in RFC 6378.
>>>>>>
>>>>>>
>>>>>> Hope everyone is comfortable with this.
>>>>>>
>>>>>> Thanks,
>>>>>> Adrian
>>>>>>
>>>>
>>
>> _______________________________________________
>> mpls mailing list
>> mpls@ietf.org
>> https://www.ietf.org/mailman/listinfo/mpls
>>
>
> --
>
>
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64


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Date: Fri, 21 Mar 2014 12:52:35 +0100
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Subject: Re: [mpls] Early AD comments on draft-ietf-mpls-psc-updates
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Folks,

I'm OK with that text, however it is a documentation of change to a
standards track RFC. I'm not sure that it is a good idea to ask the
RFC Editor to remove the text.

I think the RFC Editor will change it to "IANA has marked the
value 0 ..." I think this should stay in the document.

/Loa

On 2014-03-21 12:44, Eric Osborne wrote:
> OK.  Here's the exact text I've got:
>
>
> --
> 8.  IANA Considerations
>
>     IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>     as "Reserved, not to be allocated" and to update the references to
>     show [RFC6378] and [RFC-ietf-mpls-psc-updates-03].  Note that this
>     action provides documentation of an action already taken by IANA but
>     not recorded in RFC 6378.
>
>     Note to RFC Editor: this section may be removed on publication as an
>     RFC
> ---
>
>
> I wasn't sure if [This.ID] was intended to provoke variable
> substitution, nor was I sure whether the square brackets meant that
> the self-reference should also be a normative reference (to the
> eventual This.RFC).  It seems overkill for a document to cite itself
> as a normative reference ("in order to understand this document, you
> should read it")...but on the other hand, perhaps we should start
> doing that for all drafts that come out of MPLS now.
>
> I took the exact formatting from the reference section of the MPLS PSC
> TLV Registry, which does it like this:
>
> ---
> Reference
>    [RFC6378][RFC-ietf-mpls-moving-iana-registries-04]
> ---
>
> and I did not cite the draft itself in its normative reference section.
>
> Please let me know if this exact text is acceptable and then I will
> post the draft.
>
>
>
>
>
> eric
>
>
> On Thu, Mar 20, 2014 at 12:36 PM, Loa Andersson <loa@pi.nu> wrote:
>> Folks,
>>
>> I can live with the:
>>
>> "...update the references to show [RFC6378], [This ID]".
>>
>> It is correct that the action was taken for RFC 6378, but it is
>> also correct that it was never mentioned in RFC 6378. So I guess
>> that what we need to say is:
>>
>>
>> "IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>   as "Reserved, not to be allocated" and to update the references to
>>   show [RFC6378], [This.I-D].  Note that this action provides
>>
>>   documentation of an action already taken by IANA but not recorded
>>   in RFC 6378. This is an update to RFC 6378."
>>
>> /Loa
>>
>>
>> On 2014-03-20 17:26, Adrian Farrel wrote:
>>>
>>> The action was taken for RFC 6378, so it should be mentioned.
>>>
>>>> -----Original Message-----
>>>> From: Eric Osborne [mailto:eric@notcom.com]
>>>> Sent: 20 March 2014 16:18
>>>> To: Adrian Farrel
>>>> Cc: Eric Osborne; mpls@ietf.org
>>>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
>>>>
>>>> OK.
>>>> Loa's suggestion is
>>>>
>>>> "... update the reference to RFC 6378 to say [this ID]"
>>>>
>>>> Adrian's is "...update the references to show [RFC6378], [This ID]".
>>>>
>>>> I think Loa's makes more sense...why would we have the registry
>>>> allocation point to both 6378 and thisID if 6378 doesn't say anything?
>>>>
>>>> Whatever text you guys agree on, I'll use.
>>>>
>>>>
>>>>
>>>> eric
>>>>
>>>> On Thu, Mar 20, 2014 at 12:01 PM, Adrian Farrel <adrian@olddog.co.uk>
>>>> wrote:
>>>>>
>>>>> Yes, you're right. Should be a comma not a period.
>>>>>
>>>>> A
>>>>>
>>>>>> -----Original Message-----
>>>>>> From: Eric Osborne [mailto:eric@notcom.com]
>>>>>> Sent: 20 March 2014 14:39
>>>>>> To: Adrian Farrel
>>>>>> Cc: Eric Osborne; mpls@ietf.org
>>>>>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
>>>>>>
>>>>>> Hi Adrian-
>>>>>>
>>>>>>
>>>>>>
>>>>>>     Thanks for these.  I am OK with them and will add them to the
>>>>>> version I post next. I'm not clear on the nuances of your IANA text,
>>>>>> though.  You say:
>>>>>>
>>>>>>
>>>>>> ---
>>>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>>>> as "Reserved, not to be allocated" and to update the references to
>>>>>> show [RFC6378].
>>>>>> [This.I-D].  Note that this action provides documentation of an action
>>>>>> already taken by IANA but not recorded in RFC 6378.
>>>>>> ---
>>>>>>
>>>>>>
>>>>>> What exactly does the [This.I-D] do in its own sentence?  Did you mean
>>>>>> something like " update the references to show [RFC6378] and
>>>>>> [This.I-D].  Note that this action..." or is there something subtle
>>>>>> I'm not picking up on with your original phrasing?
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> eric
>>>>>>
>>>>>> On Mon, Mar 17, 2014 at 2:43 PM, Adrian Farrel <adrian@olddog.co.uk>
>>>>
>>>> wrote:
>>>>>>>
>>>>>>> Hi Eric,
>>>>>>>
>>>>>>> A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which is
>>>>>
>>>>> currently
>>>>>>>
>>>>>>> in IESG evaluation) have given rise to two small proposed additions to
>>>>>>> draft-ietf-mpls-psc-updates
>>>>>>>
>>>>>>> 1. I think this warrants a very small section of its own...
>>>>>>>
>>>>>>> x.y  PSC TLV Format
>>>>>>>
>>>>>>> [RFC6378] defines the capability to carry TLVs in the PSC messages.
>>>>>>> This
>>>>>
>>>>> section
>>>>>>>
>>>>>>> defines the format to be used by all such TLVs.
>>>>>>>
>>>>>>> Type field (T)
>>>>>>> A two octet field that encodes a type value in network byte order. The
>>>
>>> type
>>>>>>>
>>>>>>> values are recorded in the IANA registry "MPLS PSC TLV Registry".
>>>>>>>
>>>>>>> Length field (L)
>>>>>>> A two octet field that encodes the length in octets of the Value field
>>>>>>> in
>>>>>>> network byte order. The value of this field MUST be a multiple of 4.
>>>>>>>
>>>>>>> Value field (V)
>>>>>>> The contents of the TLV. This field MUST be a multiple of 4 octets and
>>>>>>> so
>>>>>
>>>>> may
>>>>>>>
>>>>>>> contain explicit padding.
>>>>>>>
>>>>>>>
>>>>>>> 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV
>>>>>
>>>>> Registry". It
>>>>>>>
>>>>>>> was agreed that 0 would be reserved, but this was not recorded in RFC
>>>
>>> 6378.
>>>>>>>
>>>>>>> Therefore, the IANA section of draft-ietf-mpls-psc-updates should
>>>>>>> include
>>>>>
>>>>> the
>>>>>>>
>>>>>>> text...
>>>>>>>
>>>>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>>>>> as
>>>>>>> "Reserved, not to be allocated" and to update the references to show
>>>>>>
>>>>>> [RFC6378].
>>>>>>>
>>>>>>> [This.I-D].  Note that this action provides documentation of an action
>>>>>
>>>>> already
>>>>>>>
>>>>>>> taken by IANA but not recorded in RFC 6378.
>>>>>>>
>>>>>>>
>>>>>>> Hope everyone is comfortable with this.
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Adrian
>>>>>>>
>>>>>
>>>
>>> _______________________________________________
>>> mpls mailing list
>>> mpls@ietf.org
>>> https://www.ietf.org/mailman/listinfo/mpls
>>>
>>
>> --
>>
>>
>> Loa Andersson                        email: loa@mail01.huawei.com
>> Senior MPLS Expert                          loa@pi.nu
>> Huawei Technologies (consultant)     phone: +46 739 81 21 64

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


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OK, so:

---
8.  IANA Considerations

   IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
   as "Reserved, not to be allocated" and to update the references to
   show [RFC6378] and [RFC-ietf-mpls-psc-updates-03].  Note that this
   action provides documentation of an action already taken by IANA but
   not recorded in RFC 6378
---

Adrian?




eric


On Fri, Mar 21, 2014 at 7:52 AM, Loa Andersson <loa@pi.nu> wrote:
> Folks,
>
> I'm OK with that text, however it is a documentation of change to a
> standards track RFC. I'm not sure that it is a good idea to ask the
> RFC Editor to remove the text.
>
> I think the RFC Editor will change it to "IANA has marked the
> value 0 ..." I think this should stay in the document.
>
> /Loa
>
>
> On 2014-03-21 12:44, Eric Osborne wrote:
>>
>> OK.  Here's the exact text I've got:
>>
>>
>> --
>> 8.  IANA Considerations
>>
>>     IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>     as "Reserved, not to be allocated" and to update the references to
>>     show [RFC6378] and [RFC-ietf-mpls-psc-updates-03].  Note that this
>>     action provides documentation of an action already taken by IANA but
>>     not recorded in RFC 6378.
>>
>>     Note to RFC Editor: this section may be removed on publication as an
>>     RFC
>> ---
>>
>>
>> I wasn't sure if [This.ID] was intended to provoke variable
>> substitution, nor was I sure whether the square brackets meant that
>> the self-reference should also be a normative reference (to the
>> eventual This.RFC).  It seems overkill for a document to cite itself
>> as a normative reference ("in order to understand this document, you
>> should read it")...but on the other hand, perhaps we should start
>> doing that for all drafts that come out of MPLS now.
>>
>> I took the exact formatting from the reference section of the MPLS PSC
>> TLV Registry, which does it like this:
>>
>> ---
>> Reference
>>    [RFC6378][RFC-ietf-mpls-moving-iana-registries-04]
>> ---
>>
>> and I did not cite the draft itself in its normative reference section.
>>
>> Please let me know if this exact text is acceptable and then I will
>> post the draft.
>>
>>
>>
>>
>>
>> eric
>>
>>
>> On Thu, Mar 20, 2014 at 12:36 PM, Loa Andersson <loa@pi.nu> wrote:
>>>
>>> Folks,
>>>
>>> I can live with the:
>>>
>>> "...update the references to show [RFC6378], [This ID]".
>>>
>>> It is correct that the action was taken for RFC 6378, but it is
>>> also correct that it was never mentioned in RFC 6378. So I guess
>>> that what we need to say is:
>>>
>>>
>>> "IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>   as "Reserved, not to be allocated" and to update the references to
>>>   show [RFC6378], [This.I-D].  Note that this action provides
>>>
>>>   documentation of an action already taken by IANA but not recorded
>>>   in RFC 6378. This is an update to RFC 6378."
>>>
>>> /Loa
>>>
>>>
>>> On 2014-03-20 17:26, Adrian Farrel wrote:
>>>>
>>>>
>>>> The action was taken for RFC 6378, so it should be mentioned.
>>>>
>>>>> -----Original Message-----
>>>>> From: Eric Osborne [mailto:eric@notcom.com]
>>>>> Sent: 20 March 2014 16:18
>>>>> To: Adrian Farrel
>>>>> Cc: Eric Osborne; mpls@ietf.org
>>>>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
>>>>>
>>>>> OK.
>>>>> Loa's suggestion is
>>>>>
>>>>> "... update the reference to RFC 6378 to say [this ID]"
>>>>>
>>>>> Adrian's is "...update the references to show [RFC6378], [This ID]".
>>>>>
>>>>> I think Loa's makes more sense...why would we have the registry
>>>>> allocation point to both 6378 and thisID if 6378 doesn't say anything?
>>>>>
>>>>> Whatever text you guys agree on, I'll use.
>>>>>
>>>>>
>>>>>
>>>>> eric
>>>>>
>>>>> On Thu, Mar 20, 2014 at 12:01 PM, Adrian Farrel <adrian@olddog.co.uk>
>>>>> wrote:
>>>>>>
>>>>>>
>>>>>> Yes, you're right. Should be a comma not a period.
>>>>>>
>>>>>> A
>>>>>>
>>>>>>> -----Original Message-----
>>>>>>> From: Eric Osborne [mailto:eric@notcom.com]
>>>>>>> Sent: 20 March 2014 14:39
>>>>>>> To: Adrian Farrel
>>>>>>> Cc: Eric Osborne; mpls@ietf.org
>>>>>>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
>>>>>>>
>>>>>>> Hi Adrian-
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>     Thanks for these.  I am OK with them and will add them to the
>>>>>>> version I post next. I'm not clear on the nuances of your IANA text,
>>>>>>> though.  You say:
>>>>>>>
>>>>>>>
>>>>>>> ---
>>>>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>>>>> as "Reserved, not to be allocated" and to update the references to
>>>>>>> show [RFC6378].
>>>>>>> [This.I-D].  Note that this action provides documentation of an
>>>>>>> action
>>>>>>> already taken by IANA but not recorded in RFC 6378.
>>>>>>> ---
>>>>>>>
>>>>>>>
>>>>>>> What exactly does the [This.I-D] do in its own sentence?  Did you
>>>>>>> mean
>>>>>>> something like " update the references to show [RFC6378] and
>>>>>>> [This.I-D].  Note that this action..." or is there something subtle
>>>>>>> I'm not picking up on with your original phrasing?
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> eric
>>>>>>>
>>>>>>> On Mon, Mar 17, 2014 at 2:43 PM, Adrian Farrel <adrian@olddog.co.uk>
>>>>>
>>>>>
>>>>> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>> Hi Eric,
>>>>>>>>
>>>>>>>> A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which
>>>>>>>> is
>>>>>>
>>>>>>
>>>>>> currently
>>>>>>>>
>>>>>>>>
>>>>>>>> in IESG evaluation) have given rise to two small proposed additions
>>>>>>>> to
>>>>>>>> draft-ietf-mpls-psc-updates
>>>>>>>>
>>>>>>>> 1. I think this warrants a very small section of its own...
>>>>>>>>
>>>>>>>> x.y  PSC TLV Format
>>>>>>>>
>>>>>>>> [RFC6378] defines the capability to carry TLVs in the PSC messages.
>>>>>>>> This
>>>>>>
>>>>>>
>>>>>> section
>>>>>>>>
>>>>>>>>
>>>>>>>> defines the format to be used by all such TLVs.
>>>>>>>>
>>>>>>>> Type field (T)
>>>>>>>> A two octet field that encodes a type value in network byte order.
>>>>>>>> The
>>>>
>>>>
>>>> type
>>>>>>>>
>>>>>>>>
>>>>>>>> values are recorded in the IANA registry "MPLS PSC TLV Registry".
>>>>>>>>
>>>>>>>> Length field (L)
>>>>>>>> A two octet field that encodes the length in octets of the Value
>>>>>>>> field
>>>>>>>> in
>>>>>>>> network byte order. The value of this field MUST be a multiple of 4.
>>>>>>>>
>>>>>>>> Value field (V)
>>>>>>>> The contents of the TLV. This field MUST be a multiple of 4 octets
>>>>>>>> and
>>>>>>>> so
>>>>>>
>>>>>>
>>>>>> may
>>>>>>>>
>>>>>>>>
>>>>>>>> contain explicit padding.
>>>>>>>>
>>>>>>>>
>>>>>>>> 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV
>>>>>>
>>>>>>
>>>>>> Registry". It
>>>>>>>>
>>>>>>>>
>>>>>>>> was agreed that 0 would be reserved, but this was not recorded in
>>>>>>>> RFC
>>>>
>>>>
>>>> 6378.
>>>>>>>>
>>>>>>>>
>>>>>>>> Therefore, the IANA section of draft-ietf-mpls-psc-updates should
>>>>>>>> include
>>>>>>
>>>>>>
>>>>>> the
>>>>>>>>
>>>>>>>>
>>>>>>>> text...
>>>>>>>>
>>>>>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>>>>>> as
>>>>>>>> "Reserved, not to be allocated" and to update the references to show
>>>>>>>
>>>>>>>
>>>>>>> [RFC6378].
>>>>>>>>
>>>>>>>>
>>>>>>>> [This.I-D].  Note that this action provides documentation of an
>>>>>>>> action
>>>>>>
>>>>>>
>>>>>> already
>>>>>>>>
>>>>>>>>
>>>>>>>> taken by IANA but not recorded in RFC 6378.
>>>>>>>>
>>>>>>>>
>>>>>>>> Hope everyone is comfortable with this.
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>> Adrian
>>>>>>>>
>>>>>>
>>>>
>>>> _______________________________________________
>>>> mpls mailing list
>>>> mpls@ietf.org
>>>> https://www.ietf.org/mailman/listinfo/mpls
>>>>
>>>
>>> --
>>>
>>>
>>> Loa Andersson                        email: loa@mail01.huawei.com
>>> Senior MPLS Expert                          loa@pi.nu
>>> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>
>
> --
>
>
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Fri Mar 21 06:47:33 2014
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Subject: Re: [mpls] Early AD comments on draft-ietf-mpls-psc-updates
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wfm

/Loa

On 2014-03-21 14:40, Eric Osborne wrote:
> OK, so:
>
> ---
> 8.  IANA Considerations
>
>     IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>     as "Reserved, not to be allocated" and to update the references to
>     show [RFC6378] and [RFC-ietf-mpls-psc-updates-03].  Note that this
>     action provides documentation of an action already taken by IANA but
>     not recorded in RFC 6378
> ---
>
> Adrian?
>
>
>
>
> eric
>
>
> On Fri, Mar 21, 2014 at 7:52 AM, Loa Andersson <loa@pi.nu> wrote:
>> Folks,
>>
>> I'm OK with that text, however it is a documentation of change to a
>> standards track RFC. I'm not sure that it is a good idea to ask the
>> RFC Editor to remove the text.
>>
>> I think the RFC Editor will change it to "IANA has marked the
>> value 0 ..." I think this should stay in the document.
>>
>> /Loa
>>
>>
>> On 2014-03-21 12:44, Eric Osborne wrote:
>>>
>>> OK.  Here's the exact text I've got:
>>>
>>>
>>> --
>>> 8.  IANA Considerations
>>>
>>>      IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>      as "Reserved, not to be allocated" and to update the references to
>>>      show [RFC6378] and [RFC-ietf-mpls-psc-updates-03].  Note that this
>>>      action provides documentation of an action already taken by IANA but
>>>      not recorded in RFC 6378.
>>>
>>>      Note to RFC Editor: this section may be removed on publication as an
>>>      RFC
>>> ---
>>>
>>>
>>> I wasn't sure if [This.ID] was intended to provoke variable
>>> substitution, nor was I sure whether the square brackets meant that
>>> the self-reference should also be a normative reference (to the
>>> eventual This.RFC).  It seems overkill for a document to cite itself
>>> as a normative reference ("in order to understand this document, you
>>> should read it")...but on the other hand, perhaps we should start
>>> doing that for all drafts that come out of MPLS now.
>>>
>>> I took the exact formatting from the reference section of the MPLS PSC
>>> TLV Registry, which does it like this:
>>>
>>> ---
>>> Reference
>>>     [RFC6378][RFC-ietf-mpls-moving-iana-registries-04]
>>> ---
>>>
>>> and I did not cite the draft itself in its normative reference section.
>>>
>>> Please let me know if this exact text is acceptable and then I will
>>> post the draft.
>>>
>>>
>>>
>>>
>>>
>>> eric
>>>
>>>
>>> On Thu, Mar 20, 2014 at 12:36 PM, Loa Andersson <loa@pi.nu> wrote:
>>>>
>>>> Folks,
>>>>
>>>> I can live with the:
>>>>
>>>> "...update the references to show [RFC6378], [This ID]".
>>>>
>>>> It is correct that the action was taken for RFC 6378, but it is
>>>> also correct that it was never mentioned in RFC 6378. So I guess
>>>> that what we need to say is:
>>>>
>>>>
>>>> "IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>>    as "Reserved, not to be allocated" and to update the references to
>>>>    show [RFC6378], [This.I-D].  Note that this action provides
>>>>
>>>>    documentation of an action already taken by IANA but not recorded
>>>>    in RFC 6378. This is an update to RFC 6378."
>>>>
>>>> /Loa
>>>>
>>>>
>>>> On 2014-03-20 17:26, Adrian Farrel wrote:
>>>>>
>>>>>
>>>>> The action was taken for RFC 6378, so it should be mentioned.
>>>>>
>>>>>> -----Original Message-----
>>>>>> From: Eric Osborne [mailto:eric@notcom.com]
>>>>>> Sent: 20 March 2014 16:18
>>>>>> To: Adrian Farrel
>>>>>> Cc: Eric Osborne; mpls@ietf.org
>>>>>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
>>>>>>
>>>>>> OK.
>>>>>> Loa's suggestion is
>>>>>>
>>>>>> "... update the reference to RFC 6378 to say [this ID]"
>>>>>>
>>>>>> Adrian's is "...update the references to show [RFC6378], [This ID]".
>>>>>>
>>>>>> I think Loa's makes more sense...why would we have the registry
>>>>>> allocation point to both 6378 and thisID if 6378 doesn't say anything?
>>>>>>
>>>>>> Whatever text you guys agree on, I'll use.
>>>>>>
>>>>>>
>>>>>>
>>>>>> eric
>>>>>>
>>>>>> On Thu, Mar 20, 2014 at 12:01 PM, Adrian Farrel <adrian@olddog.co.uk>
>>>>>> wrote:
>>>>>>>
>>>>>>>
>>>>>>> Yes, you're right. Should be a comma not a period.
>>>>>>>
>>>>>>> A
>>>>>>>
>>>>>>>> -----Original Message-----
>>>>>>>> From: Eric Osborne [mailto:eric@notcom.com]
>>>>>>>> Sent: 20 March 2014 14:39
>>>>>>>> To: Adrian Farrel
>>>>>>>> Cc: Eric Osborne; mpls@ietf.org
>>>>>>>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
>>>>>>>>
>>>>>>>> Hi Adrian-
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>      Thanks for these.  I am OK with them and will add them to the
>>>>>>>> version I post next. I'm not clear on the nuances of your IANA text,
>>>>>>>> though.  You say:
>>>>>>>>
>>>>>>>>
>>>>>>>> ---
>>>>>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>>>>>> as "Reserved, not to be allocated" and to update the references to
>>>>>>>> show [RFC6378].
>>>>>>>> [This.I-D].  Note that this action provides documentation of an
>>>>>>>> action
>>>>>>>> already taken by IANA but not recorded in RFC 6378.
>>>>>>>> ---
>>>>>>>>
>>>>>>>>
>>>>>>>> What exactly does the [This.I-D] do in its own sentence?  Did you
>>>>>>>> mean
>>>>>>>> something like " update the references to show [RFC6378] and
>>>>>>>> [This.I-D].  Note that this action..." or is there something subtle
>>>>>>>> I'm not picking up on with your original phrasing?
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> eric
>>>>>>>>
>>>>>>>> On Mon, Mar 17, 2014 at 2:43 PM, Adrian Farrel <adrian@olddog.co.uk>
>>>>>>
>>>>>>
>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Hi Eric,
>>>>>>>>>
>>>>>>>>> A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which
>>>>>>>>> is
>>>>>>>
>>>>>>>
>>>>>>> currently
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> in IESG evaluation) have given rise to two small proposed additions
>>>>>>>>> to
>>>>>>>>> draft-ietf-mpls-psc-updates
>>>>>>>>>
>>>>>>>>> 1. I think this warrants a very small section of its own...
>>>>>>>>>
>>>>>>>>> x.y  PSC TLV Format
>>>>>>>>>
>>>>>>>>> [RFC6378] defines the capability to carry TLVs in the PSC messages.
>>>>>>>>> This
>>>>>>>
>>>>>>>
>>>>>>> section
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> defines the format to be used by all such TLVs.
>>>>>>>>>
>>>>>>>>> Type field (T)
>>>>>>>>> A two octet field that encodes a type value in network byte order.
>>>>>>>>> The
>>>>>
>>>>>
>>>>> type
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> values are recorded in the IANA registry "MPLS PSC TLV Registry".
>>>>>>>>>
>>>>>>>>> Length field (L)
>>>>>>>>> A two octet field that encodes the length in octets of the Value
>>>>>>>>> field
>>>>>>>>> in
>>>>>>>>> network byte order. The value of this field MUST be a multiple of 4.
>>>>>>>>>
>>>>>>>>> Value field (V)
>>>>>>>>> The contents of the TLV. This field MUST be a multiple of 4 octets
>>>>>>>>> and
>>>>>>>>> so
>>>>>>>
>>>>>>>
>>>>>>> may
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> contain explicit padding.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV
>>>>>>>
>>>>>>>
>>>>>>> Registry". It
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> was agreed that 0 would be reserved, but this was not recorded in
>>>>>>>>> RFC
>>>>>
>>>>>
>>>>> 6378.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Therefore, the IANA section of draft-ietf-mpls-psc-updates should
>>>>>>>>> include
>>>>>>>
>>>>>>>
>>>>>>> the
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> text...
>>>>>>>>>
>>>>>>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>>>>>>>>> as
>>>>>>>>> "Reserved, not to be allocated" and to update the references to show
>>>>>>>>
>>>>>>>>
>>>>>>>> [RFC6378].
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> [This.I-D].  Note that this action provides documentation of an
>>>>>>>>> action
>>>>>>>
>>>>>>>
>>>>>>> already
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> taken by IANA but not recorded in RFC 6378.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Hope everyone is comfortable with this.
>>>>>>>>>
>>>>>>>>> Thanks,
>>>>>>>>> Adrian
>>>>>>>>>
>>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> mpls mailing list
>>>>> mpls@ietf.org
>>>>> https://www.ietf.org/mailman/listinfo/mpls
>>>>>
>>>>
>>>> --
>>>>
>>>>
>>>> Loa Andersson                        email: loa@mail01.huawei.com
>>>> Senior MPLS Expert                          loa@pi.nu
>>>> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>>
>>
>> --
>>
>>
>> Loa Andersson                        email: loa@mail01.huawei.com
>> Senior MPLS Expert                          loa@pi.nu
>> Huawei Technologies (consultant)     phone: +46 739 81 21 64

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


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From: Shahram Davari <davari@broadcom.com>
To: Gregory Mirsky <gregory.mirsky@ericsson.com>
Thread-Topic: [mpls] Clarification on source label usage
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References: <F73A3CB31E8BE34FA1BBE3C8F0CB2AE25D98D4C6@SZXEMA510-MBX.china.huawei.com> <CAHcPYOx0zH-2F6Bo-xD11ssq+k=ObST31tK36-PNxj-zRti_8w@mail.gmail.com>, <F73A3CB31E8BE34FA1BBE3C8F0CB2AE25D98ECAE@SZXEMA510-MBX.china.huawei.com> <C0B15F36-4413-4473-BFDD-51B01D3F4C05@broadcom.com>, <F73A3CB31E8BE34FA1BBE3C8F0CB2AE25D98FA81@SZXEMA510-MBX.china.huawei.com> <34D58536-1B55-43B6-A431-5E686BDE31BC@broadcom.com>, <7347100B5761DC41A166AC17F22DF1121B788DE9@eusaamb103.ericsson.se>
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Cc: "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage
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Greg

Let's not play with words. You are adding SLI/SL on customer data packets. =
This means the SLI/SL is not applied to only OAM packets. In fact you are n=
ot using any OAM packet to do LM /DM.

You can argue that this is in demand and does not run all the time but our =
experience shows many providers run LM/DM proactively since they use it as =
Signal degrade for protection switching.

Regards,
Shahram


On Mar 20, 2014, at 8:35 AM, "Gregory Mirsky" <gregory.mirsky@ericsson.com<=
mailto:gregory.mirsky@ericsson.com>> wrote:

Hi Shahram,
synthetic loss measurement is for out-of-service scenario. Use of SLI/SL en=
ables passive performance measurement of not only loss but delay and delay =
variation on live traffic. That does not require that SLI/SL be always inse=
rted in data traffic, not that even all packets be marked with it. I can re=
fer you to draft-chen-ippm-coloring-based-ipfpm-framework for more clues on=
 how SLI/SL may be used for passive performance measurement.

I think that given that, the statement is accurate.

                Regards,
                                Greg

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Shahram Davari
Sent: Thursday, March 20, 2014 7:52 AM
To: Mach Chen
Cc: mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Hi

So you want source label for data traffic so that you can do direct loss me=
asurement instead of synthetic loss measurement. Is that correct?

If so then this statement is not correct:

"The main purpose for MPLS source label is OAM, source label applies to rea=
l packets is optional."

So

Regards,
Shahram


On Mar 20, 2014, at 7:43 AM, "Mach Chen" <mach.chen@huawei.com<mailto:mach.=
chen@huawei.com>> wrote:
Hi Shahram,

Because there are requirements to perform Passive performance measurement, =
that means to measure the performance of the real traffic, not the performa=
nce of the OAM packets.

Best regards,
Mach

From: Shahram Davari [mailto:davari@broadcom.com]
Sent: Wednesday, March 19, 2014 10:17 PM
To: Mach Chen
Cc: Binny Jeshan; mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Hi

For flow identification. You could use a MEPID inside the OAM message. Why =
do you need another label?

Regards,
Shahram


On Mar 19, 2014, at 1:52 AM, "Mach Chen" <mach.chen@huawei.com<mailto:mach.=
chen@huawei.com>> wrote:
Hi Binny,

No,  G-Ach works fine.

The OAM I mentioned mainly refers to the performance measurement(passive) t=
hat is listed as the first use case in the draft, the source label is used =
for flow identification.

Best regards,
Mach

From: Binny Jeshan [mailto:binnyjeshan@gmail.com]
Sent: Tuesday, March 18, 2014 3:01 PM
To: Mach Chen
Cc: mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Clarification on source label usage

Mach,

Do you mean the G-Ach ?

Regards,
Binny.

Aricent

On 18 March 2014 02:51, Mach Chen <mach.chen@huawei.com<mailto:mach.chen@hu=
awei.com>> wrote:
Hi MPLSers,

Yesterday, there are a lots of discussions on source label, thanks for the =
discussions. I=92d like to make a clarification on the usage of source labe=
l, I think there may be a  misunderstanding of the usage of source label. T=
he main purpose for MPLS source label is OAM, source label applies to real =
packets is optional.


Best regards,
Mach



_______________________________________________
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mpls@ietf.org<mailto:mpls@ietf.org>
https://www.ietf.org/mailman/listinfo/mpls

_______________________________________________
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<body dir=3D"auto">
<div>Greg</div>
<div><br>
</div>
<div>Let's not play with words. You are adding SLI/SL on customer data pack=
ets. This means the SLI/SL is not applied to only OAM packets. In fact you =
are not using any OAM packet to do LM /DM.</div>
<div><br>
</div>
<div>You can argue that this is in demand and does not run all the time but=
 our experience shows many providers run LM/DM proactively since they use i=
t as Signal degrade for protection switching.</div>
<div><br>
Regards,
<div>Shahram</div>
<div><br>
</div>
</div>
<div><br>
On Mar 20, 2014, at 8:35 AM, &quot;Gregory Mirsky&quot; &lt;<a href=3D"mail=
to:gregory.mirsky@ericsson.com">gregory.mirsky@ericsson.com</a>&gt; wrote:<=
br>
<br>
</div>
<blockquote type=3D"cite">
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram,<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">synthetic loss measuremen=
t is for out-of-service scenario. Use of SLI/SL enables passive performance=
 measurement of not only loss but delay and delay variation
 on live traffic. That does not require that SLI/SL be always inserted in d=
ata traffic, not that even all packets be marked with it. I can refer you t=
o draft-chen-ippm-coloring-based-ipfpm-framework for more clues on how SLI/=
SL may be used for passive performance
 measurement.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">I think that given that, =
the statement is accurate.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Regards,<=
o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp; Greg<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Shahram Davari<br>
<b>Sent:</b> Thursday, March 20, 2014 7:52 AM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage<o:p></o:p></=
span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal">Hi<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">So you want source label for data traffic so that yo=
u can do direct loss measurement instead of synthetic loss measurement. Is =
that correct?&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">If so then this statement is not correct:<o:p></o:p>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&quot;The main purpose for MPLS source label is OAM,=
 source label applies to real packets is optional.&quot;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">So&nbsp;<br>
<br>
Regards, <o:p></o:p></p>
<div>
<p class=3D"MsoNormal">Shahram<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
On Mar 20, 2014, at 7:43 AM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<o:p></o:p></p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram,</span><o:p></=
o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Because there are require=
ments to perform Passive performance measurement, that means to measure the=
 performance of the real traffic, not the performance of
 the OAM packets.</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regards,</span><o:p>=
</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach
</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Shahram =
Davari [<a href=3D"mailto:davari@broadcom.com">mailto:davari@broadcom.com</=
a>]
<br>
<b>Sent:</b> Wednesday, March 19, 2014 10:17 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> Binny Jeshan; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>=
<br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage</span><o:p><=
/o:p></p>
</div>
</div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
<div>
<p class=3D"MsoNormal">Hi<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">For flow identification. You could use a MEPID insid=
e the OAM message. Why do you need another label?<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><br>
Regards, <o:p></o:p></p>
<div>
<p class=3D"MsoNormal">Shahram<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
On Mar 19, 2014, at 1:52 AM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<o:p></o:p></p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Binny,</span><o:p></o:=
p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">No, &nbsp;G-Ach works fin=
e.
</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">The OAM I mentioned mainl=
y refers to the performance measurement(passive) that is listed as the firs=
t use case in the draft, the source label is used for flow
 identification. </span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regards,</span><o:p>=
</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach</span><o:p></o:p></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Binny Je=
shan [<a href=3D"mailto:binnyjeshan@gmail.com">mailto:binnyjeshan@gmail.com=
</a>]
<br>
<b>Sent:</b> Tuesday, March 18, 2014 3:01 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Clarification on source label usage</span><o:p><=
/o:p></p>
</div>
</div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
<div>
<div>
<p class=3D"MsoNormal">Mach,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Do you mean the G-Ach ? <o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Regards,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Binny.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Aricent<o:p></o:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">&nbsp;<o:p></o:p></p>
<div>
<p class=3D"MsoNormal">On 18 March 2014 02:51, Mach Chen &lt;<a href=3D"mai=
lto:mach.chen@huawei.com" target=3D"_blank">mach.chen@huawei.com</a>&gt; wr=
ote:<o:p></o:p></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">Hi MPLSers,<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">&nbsp;<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">Yesterday, there are a lots of discussions on source label, thanks=
 for the discussions. I=92d like to make a clarification on the usage of so=
urce label, I think there may be a &nbsp;misunderstanding
 of the usage of source label. The main purpose for MPLS source label is OA=
M, source label applies to real packets is optional.
<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">&nbsp;<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">&nbsp;<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">Best regards,<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">Mach<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">&nbsp;<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto">&nbsp;<o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/mpls</a><o:p></o:p></p>
</div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
</div>
</div>
</blockquote>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal">_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org=
/mailman/listinfo/mpls</a><o:p></o:p></p>
</div>
</blockquote>
</div>
</div>
</blockquote>
</div>
</div>
</blockquote>
</body>
</html>

--_000_951E31D692B84B6695107DCD70B0AB48broadcomcom_--


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Subject: [mpls] [Errata Verified] RFC6639 (3925)
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The following errata report has been verified for RFC6639,
"Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Management Overview". 

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=6639&eid=3925

--------------------------------------
Status: Verified
Type: Editorial

Reported by: Liu Lin <bestman0729@gmail.com>
Date Reported: 2014-03-21
Verified by: Adrian Farrel (IESG)

Section: 4.2.9

Original Text
-------------
The pwTDMPerfCurrentTable [RFC5604], pwTDMPerfIntervalTable
[RFC5604], and pwTDMPerf1DayIntervalTable [RFC5604] contain
statistical information accumulated per 15-minute, 24-hour, and 1-day
periods, respectively.

Corrected Text
--------------
The pwTDMPerfCurrentTable [RFC5604], pwTDMPerfIntervalTable
[RFC5604], and pwTDMPerf1DayIntervalTable [RFC5604] contain
statistical information accumulated per 15-minute, 24-hour, and 1-month
periods, respectively.

Notes
-----
1-day  --> 1-month
RFC5604 section 6.1 states: 
    The TDM Performance Current Table (pwTDMPerfCurrentTable) contains TDM statistics for the current 15-minute period. 
    The TDM Performance Interval Table (pwTDMPerfIntervalTable) contains TDM statistics for historical intervals (usually 96 15-minute entries to cover a 24 hour period).
    The TDM Performance One-Day Interval Table (pwTDMPerf1DayIntervalTable) contains TDM statistics for historical intervals accumulated per day.  Usually 30 one-day entries to cover a monthly period.

--------------------------------------
RFC6639 (draft-ietf-mpls-tp-mib-management-overview-08)
--------------------------------------
Title               : Multiprotocol Label Switching Transport Profile (MPLS-TP) MIB-Based Management Overview
Publication Date    : June 2012
Author(s)           : D. King, Ed., M. Venkatesan, Ed.
Category            : INFORMATIONAL
Source              : Multiprotocol Label Switching
Area                : Routing
Stream              : IETF
Verifying Party     : IESG


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From: Yimin Shen <yshen@juniper.net>
To: Mach Chen <mach.chen@huawei.com>, "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-label@tools.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
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Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Mach,

For an intermediate node, SL would definitely NOT be at the top of _incomin=
g_ label stack. You would have to install complex forwarding state in data =
plane to look for SL and process the packet differently based on the existe=
nce/non-existence of SL. It would get even more complicated if you need to =
put the SL back to the packets, in case other nodes downstream may also be =
expecting it. So I'd like to see a valid use case for this increased comple=
xity and overhead.

Regarding the egress node use case, note that it is different than Entropy =
labels, where an EL is actually used by intermediate nodes and only popped =
by egress node. So, if your goal is simply to inform an egress node about t=
he identity of a source node, the source node could just push one label to =
identify itself. This label could be configured or communicated between the=
 egress node and the source node in any fashion. However in this draft, the=
 source node would have to push 3 extra labels (for SL).

Thanks,

/Yimin


-----Original Message-----
From: Mach Chen [mailto:mach.chen@huawei.com]=20
Sent: Thursday, March 20, 2014 11:00 AM
To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
Subject: RE: Mail regarding draft-chen-mpls-source-label

Hi Yimin,

Thanks for your questions and comments!

Please see my reply inline...

> -----Original Message-----
> From: Mach Chen
> Sent: Thursday, March 20, 2014 10:45 PM
> To: Mach Chen
> Subject: FW: Mail regarding draft-chen-mpls-source-label
>=20
>=20
>=20
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> Sent: Thursday, March 20, 2014 12:03 AM
> To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
>=20
> Hi authors,
>=20
> Can you please clarify if SL is expected to be used only by egress=20
> node, or by intermediate node as well ?

The SL can be used by the egress and intermediate node, but for intermediat=
e node, since the SL may not be on the top of the label stack, if it wants =
to use it, it needs to search the label stack to find the SL, just as to fi=
nd an EL.

>=20
> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use=20
> case for intermediate node, but I think congestion should in general=20
> be resolved by control plane to reroute traffic based on a global view=20
> of network resources, rather than by data plane based on a SL. In your=20
> case, would the intermediate node move the traffic to an LSP that is=20
> different than the LSP intended by the ingress node ? I don't think it is=
 the right thing to do.
>=20
> Regarding the use case of section 3.3 "Source Filtering". If somebody=20
> is doing DoS attack, why would he put an SL in the packets ?

Regarding to these two use cases, as discussed with Curtis, there need more=
 considerations, we will remove these two section in the next revision.

Thanks,
Mach

>=20
> Thanks,
>=20
> /Yimin
>=20
>=20
>=20
>=20




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Cc: 'Eric Osborne' <eric.osborne@notcom.com>, mpls@ietf.org
Subject: Re: [mpls] Early AD comments on draft-ietf-mpls-psc-updates
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Yes.

You can use [This.I-D] or the formulation you have.

Please post.

Thanks,
Adrian

> -----Original Message-----
> From: Eric Osborne [mailto:eric@notcom.com]
> Sent: 21 March 2014 13:40
> To: Loa Andersson
> Cc: Adrian Farrel; Eric Osborne; mpls@ietf.org
> Subject: Re: [mpls] Early AD comments on draft-ietf-mpls-psc-updates
> 
> OK, so:
> 
> ---
> 8.  IANA Considerations
> 
>    IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
>    as "Reserved, not to be allocated" and to update the references to
>    show [RFC6378] and [RFC-ietf-mpls-psc-updates-03].  Note that this
>    action provides documentation of an action already taken by IANA but
>    not recorded in RFC 6378
> ---
> 
> Adrian?
> 
> 
> 
> 
> eric
> 
> 
> On Fri, Mar 21, 2014 at 7:52 AM, Loa Andersson <loa@pi.nu> wrote:
> > Folks,
> >
> > I'm OK with that text, however it is a documentation of change to a
> > standards track RFC. I'm not sure that it is a good idea to ask the
> > RFC Editor to remove the text.
> >
> > I think the RFC Editor will change it to "IANA has marked the
> > value 0 ..." I think this should stay in the document.
> >
> > /Loa
> >
> >
> > On 2014-03-21 12:44, Eric Osborne wrote:
> >>
> >> OK.  Here's the exact text I've got:
> >>
> >>
> >> --
> >> 8.  IANA Considerations
> >>
> >>     IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
> >>     as "Reserved, not to be allocated" and to update the references to
> >>     show [RFC6378] and [RFC-ietf-mpls-psc-updates-03].  Note that this
> >>     action provides documentation of an action already taken by IANA but
> >>     not recorded in RFC 6378.
> >>
> >>     Note to RFC Editor: this section may be removed on publication as an
> >>     RFC
> >> ---
> >>
> >>
> >> I wasn't sure if [This.ID] was intended to provoke variable
> >> substitution, nor was I sure whether the square brackets meant that
> >> the self-reference should also be a normative reference (to the
> >> eventual This.RFC).  It seems overkill for a document to cite itself
> >> as a normative reference ("in order to understand this document, you
> >> should read it")...but on the other hand, perhaps we should start
> >> doing that for all drafts that come out of MPLS now.
> >>
> >> I took the exact formatting from the reference section of the MPLS PSC
> >> TLV Registry, which does it like this:
> >>
> >> ---
> >> Reference
> >>    [RFC6378][RFC-ietf-mpls-moving-iana-registries-04]
> >> ---
> >>
> >> and I did not cite the draft itself in its normative reference section.
> >>
> >> Please let me know if this exact text is acceptable and then I will
> >> post the draft.
> >>
> >>
> >>
> >>
> >>
> >> eric
> >>
> >>
> >> On Thu, Mar 20, 2014 at 12:36 PM, Loa Andersson <loa@pi.nu> wrote:
> >>>
> >>> Folks,
> >>>
> >>> I can live with the:
> >>>
> >>> "...update the references to show [RFC6378], [This ID]".
> >>>
> >>> It is correct that the action was taken for RFC 6378, but it is
> >>> also correct that it was never mentioned in RFC 6378. So I guess
> >>> that what we need to say is:
> >>>
> >>>
> >>> "IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
> >>>   as "Reserved, not to be allocated" and to update the references to
> >>>   show [RFC6378], [This.I-D].  Note that this action provides
> >>>
> >>>   documentation of an action already taken by IANA but not recorded
> >>>   in RFC 6378. This is an update to RFC 6378."
> >>>
> >>> /Loa
> >>>
> >>>
> >>> On 2014-03-20 17:26, Adrian Farrel wrote:
> >>>>
> >>>>
> >>>> The action was taken for RFC 6378, so it should be mentioned.
> >>>>
> >>>>> -----Original Message-----
> >>>>> From: Eric Osborne [mailto:eric@notcom.com]
> >>>>> Sent: 20 March 2014 16:18
> >>>>> To: Adrian Farrel
> >>>>> Cc: Eric Osborne; mpls@ietf.org
> >>>>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
> >>>>>
> >>>>> OK.
> >>>>> Loa's suggestion is
> >>>>>
> >>>>> "... update the reference to RFC 6378 to say [this ID]"
> >>>>>
> >>>>> Adrian's is "...update the references to show [RFC6378], [This ID]".
> >>>>>
> >>>>> I think Loa's makes more sense...why would we have the registry
> >>>>> allocation point to both 6378 and thisID if 6378 doesn't say anything?
> >>>>>
> >>>>> Whatever text you guys agree on, I'll use.
> >>>>>
> >>>>>
> >>>>>
> >>>>> eric
> >>>>>
> >>>>> On Thu, Mar 20, 2014 at 12:01 PM, Adrian Farrel <adrian@olddog.co.uk>
> >>>>> wrote:
> >>>>>>
> >>>>>>
> >>>>>> Yes, you're right. Should be a comma not a period.
> >>>>>>
> >>>>>> A
> >>>>>>
> >>>>>>> -----Original Message-----
> >>>>>>> From: Eric Osborne [mailto:eric@notcom.com]
> >>>>>>> Sent: 20 March 2014 14:39
> >>>>>>> To: Adrian Farrel
> >>>>>>> Cc: Eric Osborne; mpls@ietf.org
> >>>>>>> Subject: Re: Early AD comments on draft-ietf-mpls-psc-updates
> >>>>>>>
> >>>>>>> Hi Adrian-
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>     Thanks for these.  I am OK with them and will add them to the
> >>>>>>> version I post next. I'm not clear on the nuances of your IANA text,
> >>>>>>> though.  You say:
> >>>>>>>
> >>>>>>>
> >>>>>>> ---
> >>>>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
> >>>>>>> as "Reserved, not to be allocated" and to update the references to
> >>>>>>> show [RFC6378].
> >>>>>>> [This.I-D].  Note that this action provides documentation of an
> >>>>>>> action
> >>>>>>> already taken by IANA but not recorded in RFC 6378.
> >>>>>>> ---
> >>>>>>>
> >>>>>>>
> >>>>>>> What exactly does the [This.I-D] do in its own sentence?  Did you
> >>>>>>> mean
> >>>>>>> something like " update the references to show [RFC6378] and
> >>>>>>> [This.I-D].  Note that this action..." or is there something subtle
> >>>>>>> I'm not picking up on with your original phrasing?
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>> eric
> >>>>>>>
> >>>>>>> On Mon, Mar 17, 2014 at 2:43 PM, Adrian Farrel <adrian@olddog.co.uk>
> >>>>>
> >>>>>
> >>>>> wrote:
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> Hi Eric,
> >>>>>>>>
> >>>>>>>> A couple of discussion points on draft-ietf-mpls-tp-psc-itu (which
> >>>>>>>> is
> >>>>>>
> >>>>>>
> >>>>>> currently
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> in IESG evaluation) have given rise to two small proposed additions
> >>>>>>>> to
> >>>>>>>> draft-ietf-mpls-psc-updates
> >>>>>>>>
> >>>>>>>> 1. I think this warrants a very small section of its own...
> >>>>>>>>
> >>>>>>>> x.y  PSC TLV Format
> >>>>>>>>
> >>>>>>>> [RFC6378] defines the capability to carry TLVs in the PSC messages.
> >>>>>>>> This
> >>>>>>
> >>>>>>
> >>>>>> section
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> defines the format to be used by all such TLVs.
> >>>>>>>>
> >>>>>>>> Type field (T)
> >>>>>>>> A two octet field that encodes a type value in network byte order.
> >>>>>>>> The
> >>>>
> >>>>
> >>>> type
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> values are recorded in the IANA registry "MPLS PSC TLV Registry".
> >>>>>>>>
> >>>>>>>> Length field (L)
> >>>>>>>> A two octet field that encodes the length in octets of the Value
> >>>>>>>> field
> >>>>>>>> in
> >>>>>>>> network byte order. The value of this field MUST be a multiple of 4.
> >>>>>>>>
> >>>>>>>> Value field (V)
> >>>>>>>> The contents of the TLV. This field MUST be a multiple of 4 octets
> >>>>>>>> and
> >>>>>>>> so
> >>>>>>
> >>>>>>
> >>>>>> may
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> contain explicit padding.
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> 2. There was a trivial snafu with the 0 value in the "MPLS PSC TLV
> >>>>>>
> >>>>>>
> >>>>>> Registry". It
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> was agreed that 0 would be reserved, but this was not recorded in
> >>>>>>>> RFC
> >>>>
> >>>>
> >>>> 6378.
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> Therefore, the IANA section of draft-ietf-mpls-psc-updates should
> >>>>>>>> include
> >>>>>>
> >>>>>>
> >>>>>> the
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> text...
> >>>>>>>>
> >>>>>>>> IANA is requested to mark the value 0 in the "MPLS PSC TLV Registry"
> >>>>>>>> as
> >>>>>>>> "Reserved, not to be allocated" and to update the references to show
> >>>>>>>
> >>>>>>>
> >>>>>>> [RFC6378].
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> [This.I-D].  Note that this action provides documentation of an
> >>>>>>>> action
> >>>>>>
> >>>>>>
> >>>>>> already
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> taken by IANA but not recorded in RFC 6378.
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> Hope everyone is comfortable with this.
> >>>>>>>>
> >>>>>>>> Thanks,
> >>>>>>>> Adrian
> >>>>>>>>
> >>>>>>
> >>>>
> >>>> _______________________________________________
> >>>> mpls mailing list
> >>>> mpls@ietf.org
> >>>> https://www.ietf.org/mailman/listinfo/mpls
> >>>>
> >>>
> >>> --
> >>>
> >>>
> >>> Loa Andersson                        email: loa@mail01.huawei.com
> >>> Senior MPLS Expert                          loa@pi.nu
> >>> Huawei Technologies (consultant)     phone: +46 739 81 21 64
> >
> >
> > --
> >
> >
> > Loa Andersson                        email: loa@mail01.huawei.com
> > Senior MPLS Expert                          loa@pi.nu
> > Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Mon Mar 24 09:33:39 2014
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : Gap Analysis for Operating IPv6-only MPLS Networks
        Authors         : Wesley George
                          Carlos Pignataro
	Filename        : draft-george-mpls-ipv6-only-gap-05.txt
	Pages           : 24
	Date            : 2014-03-24

Abstract:
   This document reviews the MPLS protocol suite in the context of IPv6
   and identifies gaps that must be addressed in order to allow MPLS-
   related protocols and applications to be used with IPv6-only
   networks.  This document is not intended to highlight a particular
   vendor's implementation (or lack thereof) in the context of IPv6-only
   MPLS functionality, but rather to focus on gaps in the standards
   defining the MPLS suite.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-george-mpls-ipv6-only-gap/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-george-mpls-ipv6-only-gap-05

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http://www.ietf.org/rfcdiff?url2=draft-george-mpls-ipv6-only-gap-05


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From nobody Mon Mar 24 11:51:46 2014
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Subject: [mpls] I-D Action: draft-ietf-mpls-lsp-ping-ttl-tlv-07.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : Definition of Time-to-Live TLV for LSP-Ping Mechanisms
        Authors         : Sami Boutros
                          Siva Sivabalan
                          George Swallow
                          Shaleen Saxena
                          Vishwas Manral
                          Sam Aldrin
	Filename        : draft-ietf-mpls-lsp-ping-ttl-tlv-07.txt
	Pages           : 8
	Date            : 2014-03-24

Abstract:
   LSP-Ping is a widely deployed Operation, Administration, and
   Maintenance (OAM) mechanism in MPLS networks. However, in the present
   form, this mechanism is inadequate to verify connectivity of a
   segment of a Multi-Segment PseudoWire (MS-PW) from any node on the
   path of the MS-PW. This document defines a TLV to address this
   shortcoming.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-lsp-ping-ttl-tlv/

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From nobody Mon Mar 24 13:25:00 2014
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The IESG has received a request from the Multiprotocol Label Switching WG
(mpls) to consider the following document:
- 'Definition of Time-to-Live TLV for LSP-Ping Mechanisms'
  <draft-ietf-mpls-lsp-ping-ttl-tlv-07.txt> as Proposed Standard

The IESG plans to make a decision in the next few weeks, and solicits
final comments on this action. Please send substantive comments to the
ietf@ietf.org mailing lists by 2014-04-07. Exceptionally, comments may be
sent to iesg@ietf.org instead. In either case, please retain the
beginning of the Subject line to allow automated sorting.

Abstract

   LSP-Ping is a widely deployed Operation, Administration, and
   Maintenance (OAM) mechanism in MPLS networks. However, in the present
   form, this mechanism is inadequate to verify connectivity of a
   segment of a Multi-Segment PseudoWire (MS-PW) from any node on the
   path of the MS-PW. This document defines a TLV to address this
   shortcoming.

The file can be obtained via
http://datatracker.ietf.org/doc/draft-ietf-mpls-lsp-ping-ttl-tlv/

IESG discussion can be tracked via
http://datatracker.ietf.org/doc/draft-ietf-mpls-lsp-ping-ttl-tlv/ballot/

No IPR declarations have been submitted directly on this I-D.


From nobody Mon Mar 24 20:06:49 2014
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From: Mach Chen <mach.chen@huawei.com>
To: Yimin Shen <yshen@juniper.net>, "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-label@tools.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Mail regarding draft-chen-mpls-source-label
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Date: Tue, 25 Mar 2014 03:06:32 +0000
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Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Yimin,

Please see my reply inline...

> -----Original Message-----
> From: Yimin Shen [mailto:yshen@juniper.net]
> Sent: Saturday, March 22, 2014 2:40 AM
> To: Mach Chen; draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: RE: Mail regarding draft-chen-mpls-source-label
>=20
> Hi Mach,
>=20
> For an intermediate node, SL would definitely NOT be at the top of _incom=
ing_
> label stack.

Not exactly, if PHP is enabled, the penultimate LSR may see the SLI/SL pair=
. But anyway, this is not the crux.

> You would have to install complex forwarding state in data plane to
> look for SL and process the packet differently based on the
> existence/non-existence of SL. It would get even more complicated if you =
need
> to put the SL back to the packets, in case other nodes downstream may als=
o be
> expecting it. So I'd like to see a valid use case for this increased comp=
lexity and
> overhead.

Firstly, based on my experience, I do not think that this is "complicated" =
as you said. It depends on how scalable your implementation is. To find a S=
L, there is no difference from finding an EL. The other thing (e.g., ACL an=
d counting) is mature and proved technologies.

Intermediate LSR processing SL is mainly for segment performance measuremen=
t that is very useful in fault localization, and this is the requirement fr=
om SPs (please see: http://tools.ietf.org/html/draft-deng-ippm-wireless-01)=
 and I also heard such requirements from many other service providers. So t=
he use case is valid imho.

In addition, the draft just says:
"There is no change in forwarding behavior for transit LSRs.  But if a
   transit LSR can recognize the SLI, it can use the SL to collect
   traffic throughput and/or measure the performance of the LSP."

This means that processing SL in transit LSRs is optional, means that your =
devices are unable to process it or you do not need it, that is fine.=20

>=20
> Regarding the egress node use case, note that it is different than Entrop=
y labels,
> where an EL is actually used by intermediate nodes and only popped by egr=
ess

As said above, the intermediate LSRs may expect to see the SL.
=20
> node. So, if your goal is simply to inform an egress node about the ident=
ity of a
> source node, the source node could just push one label to identify itself=
. This

How does the egress LSR knows whether a label is for source identifying? Ar=
e you talking about establishing a PW-like LSP over the LSP?

> label could be configured or communicated between the egress node and the
> source node in any fashion. However in this draft, the source node would =
have to
> push 3 extra labels (for SL).

There are only SLI/SL inserted, where is the 3rd?

Thanks,
Mach
>=20
> Thanks,
>=20
> /Yimin
>=20
>=20
> -----Original Message-----
> From: Mach Chen [mailto:mach.chen@huawei.com]
> Sent: Thursday, March 20, 2014 11:00 AM
> To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.or=
g
> Subject: RE: Mail regarding draft-chen-mpls-source-label
>=20
> Hi Yimin,
>=20
> Thanks for your questions and comments!
>=20
> Please see my reply inline...
>=20
> > -----Original Message-----
> > From: Mach Chen
> > Sent: Thursday, March 20, 2014 10:45 PM
> > To: Mach Chen
> > Subject: FW: Mail regarding draft-chen-mpls-source-label
> >
> >
> >
> > From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> > Sent: Thursday, March 20, 2014 12:03 AM
> > To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> > Subject: [mpls] Mail regarding draft-chen-mpls-source-label
> >
> > Hi authors,
> >
> > Can you please clarify if SL is expected to be used only by egress
> > node, or by intermediate node as well ?
>=20
> The SL can be used by the egress and intermediate node, but for intermedi=
ate
> node, since the SL may not be on the top of the label stack, if it wants =
to use it, it
> needs to search the label stack to find the SL, just as to find an EL.
>=20
> >
> > Section 3.2 "Traffic Matrix Measurement and Steering" describes a use
> > case for intermediate node, but I think congestion should in general
> > be resolved by control plane to reroute traffic based on a global view
> > of network resources, rather than by data plane based on a SL. In your
> > case, would the intermediate node move the traffic to an LSP that is
> > different than the LSP intended by the ingress node ? I don't think it =
is the right
> thing to do.
> >
> > Regarding the use case of section 3.3 "Source Filtering". If somebody
> > is doing DoS attack, why would he put an SL in the packets ?
>=20
> Regarding to these two use cases, as discussed with Curtis, there need mo=
re
> considerations, we will remove these two section in the next revision.
>=20
> Thanks,
> Mach
>=20
> >
> > Thanks,
> >
> > /Yimin
> >
> >
> >
> >
>=20
>=20


From nobody Mon Mar 24 20:24:09 2014
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From: Shahram Davari <davari@broadcom.com>
To: Yimin Shen <yshen@juniper.net>
Thread-Topic: [mpls] Mail regarding draft-chen-mpls-source-label
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Date: Tue, 25 Mar 2014 03:24:02 +0000
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References: <F73A3CB31E8BE34FA1BBE3C8F0CB2AE25D98FA93@SZXEMA510-MBX.china.huawei.com> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE25D98FB02@SZXEMA510-MBX.china.huawei.com>, <444bb6dd3fef46a9a668a1ef54b16c20@BY2PR05MB728.namprd05.prod.outlook.com>
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Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi

So far I haven't seen any valid use car that would only be possible by addi=
ng this 3 labels. For VPLS LM you could always use Synthetic loss measureme=
nt. Just saying Synthetic LM is not as accurate as direct LM is not a good =
justification for adding 3 labels.=20

Regards,
Shahram


> On Mar 21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net> wrote:
>=20
> Hi Mach,
>=20
> For an intermediate node, SL would definitely NOT be at the top of _incom=
ing_ label stack. You would have to install complex forwarding state in dat=
a plane to look for SL and process the packet differently based on the exis=
tence/non-existence of SL. It would get even more complicated if you need t=
o put the SL back to the packets, in case other nodes downstream may also b=
e expecting it. So I'd like to see a valid use case for this increased comp=
lexity and overhead.
>=20
> Regarding the egress node use case, note that it is different than Entrop=
y labels, where an EL is actually used by intermediate nodes and only poppe=
d by egress node. So, if your goal is simply to inform an egress node about=
 the identity of a source node, the source node could just push one label t=
o identify itself. This label could be configured or communicated between t=
he egress node and the source node in any fashion. However in this draft, t=
he source node would have to push 3 extra labels (for SL).
>=20
> Thanks,
>=20
> /Yimin
>=20
>=20
> -----Original Message-----
> From: Mach Chen [mailto:mach.chen@huawei.com]=20
> Sent: Thursday, March 20, 2014 11:00 AM
> To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.or=
g
> Subject: RE: Mail regarding draft-chen-mpls-source-label
>=20
> Hi Yimin,
>=20
> Thanks for your questions and comments!
>=20
> Please see my reply inline...
>=20
>> -----Original Message-----
>> From: Mach Chen
>> Sent: Thursday, March 20, 2014 10:45 PM
>> To: Mach Chen
>> Subject: FW: Mail regarding draft-chen-mpls-source-label
>>=20
>>=20
>>=20
>> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
>> Sent: Thursday, March 20, 2014 12:03 AM
>> To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
>> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
>>=20
>> Hi authors,
>>=20
>> Can you please clarify if SL is expected to be used only by egress=20
>> node, or by intermediate node as well ?
>=20
> The SL can be used by the egress and intermediate node, but for intermedi=
ate node, since the SL may not be on the top of the label stack, if it want=
s to use it, it needs to search the label stack to find the SL, just as to =
find an EL.
>=20
>>=20
>> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use=20
>> case for intermediate node, but I think congestion should in general=20
>> be resolved by control plane to reroute traffic based on a global view=20
>> of network resources, rather than by data plane based on a SL. In your=20
>> case, would the intermediate node move the traffic to an LSP that is=20
>> different than the LSP intended by the ingress node ? I don't think it i=
s the right thing to do.
>>=20
>> Regarding the use case of section 3.3 "Source Filtering". If somebody=20
>> is doing DoS attack, why would he put an SL in the packets ?
>=20
> Regarding to these two use cases, as discussed with Curtis, there need mo=
re considerations, we will remove these two section in the next revision.
>=20
> Thanks,
> Mach
>=20
>>=20
>> Thanks,
>>=20
>> /Yimin
>=20
>=20
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar 24 21:52:49 2014
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From: Gregory Mirsky <gregory.mirsky@ericsson.com>
To: Shahram Davari <davari@broadcom.com>, Yimin Shen <yshen@juniper.net>
Thread-Topic: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Shahram,
many thanks for your interest and comments. I'd point that SLM is clearly o=
ut-of-service OAM tool. SLI/SL may be used to perform in-service active LM =
as well as passive LM. Then there is DM and SLI/SL again can be used to per=
form in-service both active and passive DM.
As for use case that " that would only be possible by adding" these three l=
abels I can think of the following:
*       OAM on mp2mp/mp2p LSP

        Regards,
                Greg

-----Original Message-----
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Shahram Davari
Sent: Monday, March 24, 2014 8:24 PM
To: Yimin Shen
Cc: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label

Hi

So far I haven't seen any valid use car that would only be possible by addi=
ng this 3 labels. For VPLS LM you could always use Synthetic loss measureme=
nt. Just saying Synthetic LM is not as accurate as direct LM is not a good =
justification for adding 3 labels.

Regards,
Shahram


> On Mar 21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net<mailto:yshe=
n@juniper.net>> wrote:
>
> Hi Mach,
>
> For an intermediate node, SL would definitely NOT be at the top of _incom=
ing_ label stack. You would have to install complex forwarding state in dat=
a plane to look for SL and process the packet differently based on the exis=
tence/non-existence of SL. It would get even more complicated if you need t=
o put the SL back to the packets, in case other nodes downstream may also b=
e expecting it. So I'd like to see a valid use case for this increased comp=
lexity and overhead.
>
> Regarding the egress node use case, note that it is different than Entrop=
y labels, where an EL is actually used by intermediate nodes and only poppe=
d by egress node. So, if your goal is simply to inform an egress node about=
 the identity of a source node, the source node could just push one label t=
o identify itself. This label could be configured or communicated between t=
he egress node and the source node in any fashion. However in this draft, t=
he source node would have to push 3 extra labels (for SL).
>
> Thanks,
>
> /Yimin
>
>
> -----Original Message-----
> From: Mach Chen [mailto:mach.chen@huawei.com]
> Sent: Thursday, March 20, 2014 11:00 AM
> To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org<mailto:draft-=
chen-mpls-source-label@tools.ietf.org>;
> mpls@ietf.org<mailto:mpls@ietf.org>
> Subject: RE: Mail regarding draft-chen-mpls-source-label
>
> Hi Yimin,
>
> Thanks for your questions and comments!
>
> Please see my reply inline...
>
>> -----Original Message-----
>> From: Mach Chen
>> Sent: Thursday, March 20, 2014 10:45 PM
>> To: Mach Chen
>> Subject: FW: Mail regarding draft-chen-mpls-source-label
>>
>>
>>
>> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
>> Sent: Thursday, March 20, 2014 12:03 AM
>> To: draft-chen-mpls-source-label@tools.ietf.org<mailto:draft-chen-mpls-s=
ource-label@tools.ietf.org>; mpls@ietf.org<mailto:mpls@ietf.org>
>> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
>>
>> Hi authors,
>>
>> Can you please clarify if SL is expected to be used only by egress
>> node, or by intermediate node as well ?
>
> The SL can be used by the egress and intermediate node, but for intermedi=
ate node, since the SL may not be on the top of the label stack, if it want=
s to use it, it needs to search the label stack to find the SL, just as to =
find an EL.
>
>>
>> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use
>> case for intermediate node, but I think congestion should in general
>> be resolved by control plane to reroute traffic based on a global
>> view of network resources, rather than by data plane based on a SL.
>> In your case, would the intermediate node move the traffic to an LSP
>> that is different than the LSP intended by the ingress node ? I don't th=
ink it is the right thing to do.
>>
>> Regarding the use case of section 3.3 "Source Filtering". If somebody
>> is doing DoS attack, why would he put an SL in the packets ?
>
> Regarding to these two use cases, as discussed with Curtis, there need mo=
re considerations, we will remove these two section in the next revision.
>
> Thanks,
> Mach
>
>>
>> Thanks,
>>
>> /Yimin
>
>
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org<mailto:mpls@ietf.org>
> https://www.ietf.org/mailman/listinfo/mpls

_______________________________________________
mpls mailing list
mpls@ietf.org<mailto:mpls@ietf.org>
https://www.ietf.org/mailman/listinfo/mpls


--_000_7347100B5761DC41A166AC17F22DF1121B78A4E1eusaamb103erics_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
<meta name=3D"Generator" content=3D"Microsoft Exchange Server">
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<body>
<font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11pt;">
<div>Hi Shahram,</div>
<div>many thanks for your interest and comments. I'd point that SLM is clea=
rly out-of-service OAM tool. SLI/SL may be used to perform in-service activ=
e LM as well as passive LM. Then there is DM and SLI/SL again can be used t=
o perform in-service both active
and passive DM.</div>
<div>As for use case that &quot; that would only be possible by adding&quot=
; these three labels I can think of the following:</div>
<ul style=3D"margin:0;padding-left:36pt;">
<li>OAM on mp2mp/mp2p LSP</li></ul>
<div>&nbsp;</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Regards,</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; Greg</div>
<div>&nbsp;</div>
<div>-----Original Message-----<br>

From: mpls [<a href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ie=
tf.org</a>] On Behalf Of Shahram Davari<br>

Sent: Monday, March 24, 2014 8:24 PM<br>

To: Yimin Shen<br>

Cc: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org<br>

Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label</div>
<div>&nbsp;</div>
<div>Hi</div>
<div>&nbsp;</div>
<div>So far I haven't seen any valid use car that would only be possible by=
 adding this 3 labels. For VPLS LM you could always use Synthetic loss meas=
urement. Just saying Synthetic LM is not as accurate as direct LM is not a =
good justification for adding 3
labels. </div>
<div>&nbsp;</div>
<div>Regards,</div>
<div>Shahram</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>&gt; On Mar 21, 2014, at 11:39 AM, &quot;Yimin Shen&quot; &lt;<a href=
=3D"mailto:yshen@juniper.net">yshen@juniper.net</a>&gt; wrote:</div>
<div>&gt; </div>
<div>&gt; Hi Mach,</div>
<div>&gt; </div>
<div>&gt; For an intermediate node, SL would definitely NOT be at the top o=
f _incoming_ label stack. You would have to install complex forwarding stat=
e in data plane to look for SL and process the packet differently based on =
the existence/non-existence of SL.
It would get even more complicated if you need to put the SL back to the pa=
ckets, in case other nodes downstream may also be expecting it. So I'd like=
 to see a valid use case for this increased complexity and overhead.</div>
<div>&gt; </div>
<div>&gt; Regarding the egress node use case, note that it is different tha=
n Entropy labels, where an EL is actually used by intermediate nodes and on=
ly popped by egress node. So, if your goal is simply to inform an egress no=
de about the identity of a source node,
the source node could just push one label to identify itself. This label co=
uld be configured or communicated between the egress node and the source no=
de in any fashion. However in this draft, the source node would have to pus=
h 3 extra labels (for SL).</div>
<div>&gt; </div>
<div>&gt; Thanks,</div>
<div>&gt; </div>
<div>&gt; /Yimin</div>
<div>&gt; </div>
<div>&gt; </div>
<div>&gt; -----Original Message-----</div>
<div>&gt; From: Mach Chen [<a href=3D"mailto:mach.chen@huawei.com">mailto:m=
ach.chen@huawei.com</a>]</div>
<div>&gt; Sent: Thursday, March 20, 2014 11:00 AM</div>
<div>&gt; To: Yimin Shen; <a href=3D"mailto:draft-chen-mpls-source-label@to=
ols.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>; </div>
<div>&gt; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a></div>
<div>&gt; Subject: RE: Mail regarding draft-chen-mpls-source-label</div>
<div>&gt; </div>
<div>&gt; Hi Yimin,</div>
<div>&gt; </div>
<div>&gt; Thanks for your questions and comments!</div>
<div>&gt; </div>
<div>&gt; Please see my reply inline...</div>
<div>&gt; </div>
<div>&gt;&gt; -----Original Message-----</div>
<div>&gt;&gt; From: Mach Chen</div>
<div>&gt;&gt; Sent: Thursday, March 20, 2014 10:45 PM</div>
<div>&gt;&gt; To: Mach Chen</div>
<div>&gt;&gt; Subject: FW: Mail regarding draft-chen-mpls-source-label</div=
>
<div>&gt;&gt; </div>
<div>&gt;&gt; </div>
<div>&gt;&gt; </div>
<div>&gt;&gt; From: mpls [<a href=3D"mailto:mpls-bounces@ietf.org">mailto:m=
pls-bounces@ietf.org</a>] On Behalf Of Yimin Shen</div>
<div>&gt;&gt; Sent: Thursday, March 20, 2014 12:03 AM</div>
<div>&gt;&gt; To: <a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf=
.org">draft-chen-mpls-source-label@tools.ietf.org</a>; <a href=3D"mailto:mp=
ls@ietf.org">mpls@ietf.org</a></div>
<div>&gt;&gt; Subject: [mpls] Mail regarding draft-chen-mpls-source-label</=
div>
<div>&gt;&gt; </div>
<div>&gt;&gt; Hi authors,</div>
<div>&gt;&gt; </div>
<div>&gt;&gt; Can you please clarify if SL is expected to be used only by e=
gress </div>
<div>&gt;&gt; node, or by intermediate node as well ?</div>
<div>&gt; </div>
<div>&gt; The SL can be used by the egress and intermediate node, but for i=
ntermediate node, since the SL may not be on the top of the label stack, if=
 it wants to use it, it needs to search the label stack to find the SL, jus=
t as to find an EL.</div>
<div>&gt; </div>
<div>&gt;&gt; </div>
<div>&gt;&gt; Section 3.2 &quot;Traffic Matrix Measurement and Steering&quo=
t; describes a use </div>
<div>&gt;&gt; case for intermediate node, but I think congestion should in =
general </div>
<div>&gt;&gt; be resolved by control plane to reroute traffic based on a gl=
obal </div>
<div>&gt;&gt; view of network resources, rather than by data plane based on=
 a SL. </div>
<div>&gt;&gt; In your case, would the intermediate node move the traffic to=
 an LSP </div>
<div>&gt;&gt; that is different than the LSP intended by the ingress node ?=
 I don't think it is the right thing to do.</div>
<div>&gt;&gt; </div>
<div>&gt;&gt; Regarding the use case of section 3.3 &quot;Source Filtering&=
quot;. If somebody </div>
<div>&gt;&gt; is doing DoS attack, why would he put an SL in the packets ?<=
/div>
<div>&gt; </div>
<div>&gt; Regarding to these two use cases, as discussed with Curtis, there=
 need more considerations, we will remove these two section in the next rev=
ision.</div>
<div>&gt; </div>
<div>&gt; Thanks,</div>
<div>&gt; Mach</div>
<div>&gt; </div>
<div>&gt;&gt; </div>
<div>&gt;&gt; Thanks,</div>
<div>&gt;&gt; </div>
<div>&gt;&gt; /Yimin</div>
<div>&gt; </div>
<div>&gt; </div>
<div>&gt; </div>
<div>&gt; _______________________________________________</div>
<div>&gt; mpls mailing list</div>
<div>&gt; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a></div>
<div>&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://ww=
w.ietf.org/mailman/listinfo/mpls</a></div>
<div>&nbsp;</div>
<div>_______________________________________________</div>
<div>mpls mailing list</div>
<div><a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a></div>
<div><a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://www.iet=
f.org/mailman/listinfo/mpls</a></div>
<div>&nbsp;</div>
</span></font>
</body>
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Date: Mon, 24 Mar 2014 22:01:00 -0700
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Hi Greg

Thanks for your reply. SLM can be used for in service measurement. And it wo=
rks for Mp2p and mp2mp. So you don't really need the 3 extra labels.

Regards,.
Shahram


> On Mar 24, 2014, at 9:52 PM, Gregory Mirsky <gregory.mirsky@ericsson.com> w=
rote:
>=20
> Hi Shahram,
> many thanks for your interest and comments. I'd point that SLM is clearly o=
ut-of-service OAM tool. SLI/SL may be used to perform in-service active LM a=
s well as passive LM. Then there is DM and SLI/SL again can be used to perfo=
rm in-service both active and passive DM.
> As for use case that " that would only be possible by adding" these three l=
abels I can think of the following:
> OAM on mp2mp/mp2p LSP
> =20
>         Regards,
>                 Greg
> =20
> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Shahram Davari
> Sent: Monday, March 24, 2014 8:24 PM
> To: Yimin Shen
> Cc: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> =20
> Hi
> =20
> So far I haven't seen any valid use car that would only be possible by add=
ing this 3 labels. For VPLS LM you could always use Synthetic loss measureme=
nt. Just saying Synthetic LM is not as accurate as direct LM is not a good j=
ustification for adding 3 labels.
> =20
> Regards,
> Shahram
> =20
> =20
> > On Mar 21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net> wrote:
> >
> > Hi Mach,
> >
> > For an intermediate node, SL would definitely NOT be at the top of _inco=
ming_ label stack. You would have to install complex forwarding state in dat=
a plane to look for SL and process the packet differently based on the exist=
ence/non-existence of SL. It would get even more complicated if you need to p=
ut the SL back to the packets, in case other nodes downstream may also be ex=
pecting it. So I'd like to see a valid use case for this increased complexit=
y and overhead.
> >
> > Regarding the egress node use case, note that it is different than Entro=
py labels, where an EL is actually used by intermediate nodes and only poppe=
d by egress node. So, if your goal is simply to inform an egress node about t=
he identity of a source node, the source node could just push one label to i=
dentify itself. This label could be configured or communicated between the e=
gress node and the source node in any fashion. However in this draft, the so=
urce node would have to push 3 extra labels (for SL).
> >
> > Thanks,
> >
> > /Yimin
> >
> >
> > -----Original Message-----
> > From: Mach Chen [mailto:mach.chen@huawei.com]
> > Sent: Thursday, March 20, 2014 11:00 AM
> > To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org;
> > mpls@ietf.org
> > Subject: RE: Mail regarding draft-chen-mpls-source-label
> >
> > Hi Yimin,
> >
> > Thanks for your questions and comments!
> >
> > Please see my reply inline...
> >
> >> -----Original Message-----
> >> From: Mach Chen
> >> Sent: Thursday, March 20, 2014 10:45 PM
> >> To: Mach Chen
> >> Subject: FW: Mail regarding draft-chen-mpls-source-label
> >>
> >>
> >>
> >> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> >> Sent: Thursday, March 20, 2014 12:03 AM
> >> To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> >> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
> >>
> >> Hi authors,
> >>
> >> Can you please clarify if SL is expected to be used only by egress
> >> node, or by intermediate node as well ?
> >
> > The SL can be used by the egress and intermediate node, but for intermed=
iate node, since the SL may not be on the top of the label stack, if it want=
s to use it, it needs to search the label stack to find the SL, just as to f=
ind an EL.
> >
> >>
> >> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use
> >> case for intermediate node, but I think congestion should in general
> >> be resolved by control plane to reroute traffic based on a global
> >> view of network resources, rather than by data plane based on a SL.
> >> In your case, would the intermediate node move the traffic to an LSP
> >> that is different than the LSP intended by the ingress node ? I don't t=
hink it is the right thing to do.
> >>
> >> Regarding the use case of section 3.3 "Source Filtering". If somebody
> >> is doing DoS attack, why would he put an SL in the packets ?
> >
> > Regarding to these two use cases, as discussed with Curtis, there need m=
ore considerations, we will remove these two section in the next revision.
> >
> > Thanks,
> > Mach
> >
> >>
> >> Thanks,
> >>
> >> /Yimin
> >
> >
> >
> > _______________________________________________
> > mpls mailing list
> > mpls@ietf.org
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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Hi Greg</div><div><br></div><div>Thanks for your reply. SLM can be used for in service measurement. And it works for Mp2p and mp2mp. So you don't really need the 3 extra labels.</div><div><br>Regards,.<div>Shahram</div><div><br></div></div><div><br>On Mar 24, 2014, at 9:52 PM, Gregory Mirsky &lt;<a href="mailto:gregory.mirsky@ericsson.com">gregory.mirsky@ericsson.com</a>&gt; wrote:<br><br></div><blockquote type="cite"><div>

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<font face="Calibri" size="2"><span style="font-size:11pt;">
<div>Hi Shahram,</div>
<div>many thanks for your interest and comments. I'd point that SLM is clearly out-of-service OAM tool. SLI/SL may be used to perform in-service active LM as well as passive LM. Then there is DM and SLI/SL again can be used to perform in-service both active
and passive DM.</div>
<div>As for use case that " that would only be possible by adding" these three labels I can think of the following:</div>
<ul style="margin:0;padding-left:36pt;">
<li>OAM on mp2mp/mp2p LSP</li></ul>
<div>&nbsp;</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Regards,</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Greg</div>
<div>&nbsp;</div>
<div>-----Original Message-----<br>

From: mpls [<a href="mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>] On Behalf Of Shahram Davari<br>

Sent: Monday, March 24, 2014 8:24 PM<br>

To: Yimin Shen<br>

Cc: <a href="mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>; <a href="mailto:mpls@ietf.org">mpls@ietf.org</a><br>

Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label</div>
<div>&nbsp;</div>
<div>Hi</div>
<div>&nbsp;</div>
<div>So far I haven't seen any valid use car that would only be possible by adding this 3 labels. For VPLS LM you could always use Synthetic loss measurement. Just saying Synthetic LM is not as accurate as direct LM is not a good justification for adding 3
labels. </div>
<div>&nbsp;</div>
<div>Regards,</div>
<div>Shahram</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>&gt; On Mar 21, 2014, at 11:39 AM, "Yimin Shen" &lt;<a href="mailto:yshen@juniper.net">yshen@juniper.net</a>&gt; wrote:</div>
<div>&gt; </div>
<div>&gt; Hi Mach,</div>
<div>&gt; </div>
<div>&gt; For an intermediate node, SL would definitely NOT be at the top of _incoming_ label stack. You would have to install complex forwarding state in data plane to look for SL and process the packet differently based on the existence/non-existence of SL.
It would get even more complicated if you need to put the SL back to the packets, in case other nodes downstream may also be expecting it. So I'd like to see a valid use case for this increased complexity and overhead.</div>
<div>&gt; </div>
<div>&gt; Regarding the egress node use case, note that it is different than Entropy labels, where an EL is actually used by intermediate nodes and only popped by egress node. So, if your goal is simply to inform an egress node about the identity of a source node,
the source node could just push one label to identify itself. This label could be configured or communicated between the egress node and the source node in any fashion. However in this draft, the source node would have to push 3 extra labels (for SL).</div>
<div>&gt; </div>
<div>&gt; Thanks,</div>
<div>&gt; </div>
<div>&gt; /Yimin</div>
<div>&gt; </div>
<div>&gt; </div>
<div>&gt; -----Original Message-----</div>
<div>&gt; From: Mach Chen [<a href="mailto:mach.chen@huawei.com">mailto:mach.chen@huawei.com</a>]</div>
<div>&gt; Sent: Thursday, March 20, 2014 11:00 AM</div>
<div>&gt; To: Yimin Shen; <a href="mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>; </div>
<div>&gt; <a href="mailto:mpls@ietf.org">mpls@ietf.org</a></div>
<div>&gt; Subject: RE: Mail regarding draft-chen-mpls-source-label</div>
<div>&gt; </div>
<div>&gt; Hi Yimin,</div>
<div>&gt; </div>
<div>&gt; Thanks for your questions and comments!</div>
<div>&gt; </div>
<div>&gt; Please see my reply inline...</div>
<div>&gt; </div>
<div>&gt;&gt; -----Original Message-----</div>
<div>&gt;&gt; From: Mach Chen</div>
<div>&gt;&gt; Sent: Thursday, March 20, 2014 10:45 PM</div>
<div>&gt;&gt; To: Mach Chen</div>
<div>&gt;&gt; Subject: FW: Mail regarding draft-chen-mpls-source-label</div>
<div>&gt;&gt; </div>
<div>&gt;&gt; </div>
<div>&gt;&gt; </div>
<div>&gt;&gt; From: mpls [<a href="mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>] On Behalf Of Yimin Shen</div>
<div>&gt;&gt; Sent: Thursday, March 20, 2014 12:03 AM</div>
<div>&gt;&gt; To: <a href="mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>; <a href="mailto:mpls@ietf.org">mpls@ietf.org</a></div>
<div>&gt;&gt; Subject: [mpls] Mail regarding draft-chen-mpls-source-label</div>
<div>&gt;&gt; </div>
<div>&gt;&gt; Hi authors,</div>
<div>&gt;&gt; </div>
<div>&gt;&gt; Can you please clarify if SL is expected to be used only by egress </div>
<div>&gt;&gt; node, or by intermediate node as well ?</div>
<div>&gt; </div>
<div>&gt; The SL can be used by the egress and intermediate node, but for intermediate node, since the SL may not be on the top of the label stack, if it wants to use it, it needs to search the label stack to find the SL, just as to find an EL.</div>
<div>&gt; </div>
<div>&gt;&gt; </div>
<div>&gt;&gt; Section 3.2 "Traffic Matrix Measurement and Steering" describes a use </div>
<div>&gt;&gt; case for intermediate node, but I think congestion should in general </div>
<div>&gt;&gt; be resolved by control plane to reroute traffic based on a global </div>
<div>&gt;&gt; view of network resources, rather than by data plane based on a SL. </div>
<div>&gt;&gt; In your case, would the intermediate node move the traffic to an LSP </div>
<div>&gt;&gt; that is different than the LSP intended by the ingress node ? I don't think it is the right thing to do.</div>
<div>&gt;&gt; </div>
<div>&gt;&gt; Regarding the use case of section 3.3 "Source Filtering". If somebody </div>
<div>&gt;&gt; is doing DoS attack, why would he put an SL in the packets ?</div>
<div>&gt; </div>
<div>&gt; Regarding to these two use cases, as discussed with Curtis, there need more considerations, we will remove these two section in the next revision.</div>
<div>&gt; </div>
<div>&gt; Thanks,</div>
<div>&gt; Mach</div>
<div>&gt; </div>
<div>&gt;&gt; </div>
<div>&gt;&gt; Thanks,</div>
<div>&gt;&gt; </div>
<div>&gt;&gt; /Yimin</div>
<div>&gt; </div>
<div>&gt; </div>
<div>&gt; </div>
<div>&gt; _______________________________________________</div>
<div>&gt; mpls mailing list</div>
<div>&gt; <a href="mailto:mpls@ietf.org">mpls@ietf.org</a></div>
<div>&gt; <a href="https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org/mailman/listinfo/mpls</a></div>
<div>&nbsp;</div>
<div>_______________________________________________</div>
<div>mpls mailing list</div>
<div><a href="mailto:mpls@ietf.org">mpls@ietf.org</a></div>
<div><a href="https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org/mailman/listinfo/mpls</a></div>
<div>&nbsp;</div>
</span></font>


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From: "S. Davari" <davarish@yahoo.com>
Date: Mon, 24 Mar 2014 22:50:11 -0700
To: Gregory Mirsky <gregory.mirsky@ericsson.com>
Archived-At: http://mailarchive.ietf.org/arch/msg/mpls/5INhDq1RBiah19EhDkH-ZppGDSw
Cc: "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-label@tools.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Greg

In profile simply means green packets and by generate green SLM packets you c=
ould achieve the same results.

MEF explains how SLM is used for non p2p services.=20

And For Delay measurement you can just run DM. The source info can be in The=
 payload of DM as TLV.

Regards,
Shahram


> On Mar 24, 2014, at 10:19 PM, Gregory Mirsky <gregory.mirsky@ericsson.com>=
 wrote:
>=20
> Hi Shahram,
> many thanks for most expedient response.
> Firstly, regarding in-service SLM. AFAIK, the difference between LM and SL=
M, at least in Y.1731, is that the former collects counters of =E2=80=9Cin-p=
rofile=E2=80=9D frames while the latter only counts the test packets themsel=
ves. Given that, I can not agree that using SLM as in-service active measure=
ment method is viable unless operator willing to sufficiently alter data tra=
ffic behavior.
> Secondly, would be great if you can expand on =E2=80=9Cit works for Mp2p a=
nd mp2mp=E2=80=9D. I=E2=80=99m very interested to learn from you how to do L=
M on mp2mp LSP with current MPLS OAM tools, i.e. without SLI/SL. And while w=
e are at  this topic, would you kindly explain how SLM helps with DM over th=
e same construct, i.e. mp2mp LSP.
> =20
>                 Regards,
>                                 Greg
> =20
> From: S. Davari [mailto:davarish@yahoo.com]=20
> Sent: Monday, March 24, 2014 10:01 PM
> To: Gregory Mirsky
> Cc: Shahram Davari; Yimin Shen; draft-chen-mpls-source-label@tools.ietf.or=
g; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> =20
> Hi Greg
> =20
> Thanks for your reply. SLM can be used for in service measurement. And it w=
orks for Mp2p and mp2mp. So you don't really need the 3 extra labels.
>=20
> Regards,.
> Shahram
> =20
>=20
> On Mar 24, 2014, at 9:52 PM, Gregory Mirsky <gregory.mirsky@ericsson.com> w=
rote:
>=20
> Hi Shahram,
> many thanks for your interest and comments. I'd point that SLM is clearly o=
ut-of-service OAM tool. SLI/SL may be used to perform in-service active LM a=
s well as passive LM. Then there is DM and SLI/SL again can be used to perfo=
rm in-service both active and passive DM.
> As for use case that " that would only be possible by adding" these three l=
abels I can think of the following:
> =C2=B7         OAM on mp2mp/mp2p LSP
> =20
>         Regards,
>                 Greg
> =20
> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Shahram Davari
> Sent: Monday, March 24, 2014 8:24 PM
> To: Yimin Shen
> Cc: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> =20
> Hi
> =20
> So far I haven't seen any valid use car that would only be possible by add=
ing this 3 labels. For VPLS LM you could always use Synthetic loss measureme=
nt. Just saying Synthetic LM is not as accurate as direct LM is not a good j=
ustification for adding 3 labels.
> =20
> Regards,
> Shahram
> =20
> =20
> > On Mar 21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net> wrote:
> >
> > Hi Mach,
> >
> > For an intermediate node, SL would definitely NOT be at the top of _inco=
ming_ label stack. You would have to install complex forwarding state in dat=
a plane to look for SL and process the packet differently based on the exist=
ence/non-existence of SL. It would get even more complicated if you need to p=
ut the SL back to the packets, in case other nodes downstream may also be ex=
pecting it. So I'd like to see a valid use case for this increased complexit=
y and overhead.
> >
> > Regarding the egress node use case, note that it is different than Entro=
py labels, where an EL is actually used by intermediate nodes and only poppe=
d by egress node. So, if your goal is simply to inform an egress node about t=
he identity of a source node, the source node could just push one label to i=
dentify itself. This label could be configured or communicated between the e=
gress node and the source node in any fashion. However in this draft, the so=
urce node would have to push 3 extra labels (for SL).
> >
> > Thanks,
> >
> > /Yimin
> >
> >
> > -----Original Message-----
> > From: Mach Chen [mailto:mach.chen@huawei.com]
> > Sent: Thursday, March 20, 2014 11:00 AM
> > To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org;
> > mpls@ietf.org
> > Subject: RE: Mail regarding draft-chen-mpls-source-label
> >
> > Hi Yimin,
> >
> > Thanks for your questions and comments!
> >
> > Please see my reply inline...
> >
> >> -----Original Message-----
> >> From: Mach Chen
> >> Sent: Thursday, March 20, 2014 10:45 PM
> >> To: Mach Chen
> >> Subject: FW: Mail regarding draft-chen-mpls-source-label
> >>
> >>
> >>
> >> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> >> Sent: Thursday, March 20, 2014 12:03 AM
> >> To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> >> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
> >>
> >> Hi authors,
> >>
> >> Can you please clarify if SL is expected to be used only by egress
> >> node, or by intermediate node as well ?
> >
> > The SL can be used by the egress and intermediate node, but for intermed=
iate node, since the SL may not be on the top of the label stack, if it want=
s to use it, it needs to search the label stack to find the SL, just as to f=
ind an EL.
> >
> >>
> >> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use
> >> case for intermediate node, but I think congestion should in general
> >> be resolved by control plane to reroute traffic based on a global
> >> view of network resources, rather than by data plane based on a SL.
> >> In your case, would the intermediate node move the traffic to an LSP
> >> that is different than the LSP intended by the ingress node ? I don't t=
hink it is the right thing to do.
> >>
> >> Regarding the use case of section 3.3 "Source Filtering". If somebody
> >> is doing DoS attack, why would he put an SL in the packets ?
> >
> > Regarding to these two use cases, as discussed with Curtis, there need m=
ore considerations, we will remove these two section in the next revision.
> >
> > Thanks,
> > Mach
> >
> >>
> >> Thanks,
> >>
> >> /Yimin
> >
> >
> >
> > _______________________________________________
> > mpls mailing list
> > mpls@ietf.org
> > https://www.ietf.org/mailman/listinfo/mpls
> =20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
> =20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>Hi Greg</div><div><br></div><div>In pr=
ofile simply means green packets and by generate green SLM packets you could=
 achieve the same results.</div><div><br></div><div>MEF explains how SLM is u=
sed for non p2p services.&nbsp;</div><div><br></div><div>And For Delay measu=
rement you can just run DM. The source info can be in The payload of DM as T=
LV.</div><div><br>Regards,<div>Shahram</div><div><br></div></div><div><br>On=
 Mar 24, 2014, at 10:19 PM, Gregory Mirsky &lt;<a href=3D"mailto:gregory.mir=
sky@ericsson.com">gregory.mirsky@ericsson.com</a>&gt; wrote:<br><br></div><b=
lockquote type=3D"cite"><div>

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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram,<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">many thanks for most expedi=
ent response.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Firstly, regarding in-servi=
ce SLM. AFAIK, the difference between LM and SLM, at least in Y.1731, is tha=
t the former collects counters of =E2=80=9Cin-profile=E2=80=9D frames
 while the latter only counts the test packets themselves. Given that, I can=
 not agree that using SLM as in-service active measurement method is viable u=
nless operator willing to sufficiently alter data traffic behavior.<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Secondly, would be great if=
 you can expand on =E2=80=9Cit works for Mp2p and mp2mp=E2=80=9D. I=E2=80=99=
m very interested to learn from you how to do LM on mp2mp LSP with current M=
PLS
 OAM tools, i.e. without SLI/SL. And while we are at&nbsp; this topic, would=
 you kindly explain how SLM helps with DM over the same construct, i.e. mp2m=
p LSP.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Regards,<o:p=
></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; Greg<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p=
>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0=
in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot;=
Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> S. Davari [=
<a href=3D"mailto:davarish@yahoo.com">mailto:davarish@yahoo.com</a>]
<br>
<b>Sent:</b> Monday, March 24, 2014 10:01 PM<br>
<b>To:</b> Gregory Mirsky<br>
<b>Cc:</b> Shahram Davari; Yimin Shen; <a href=3D"mailto:draft-chen-mpls-sou=
rce-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>; <=
a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Mail regarding draft-chen-mpls-source-label<o:p><=
/o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal">Hi Greg<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Thanks for your reply. SLM can be used for in service=
 measurement. And it works for Mp2p and mp2mp. So you don't really need the 3=
 extra labels.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><br>
Regards,.<o:p></o:p></p>
<div>
<p class=3D"MsoNormal">Shahram<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
On Mar 24, 2014, at 9:52 PM, Gregory Mirsky &lt;<a href=3D"mailto:gregory.mi=
rsky@ericsson.com">gregory.mirsky@ericsson.com</a>&gt; wrote:<o:p></o:p></p>=

</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">Hi Shahram,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">many thanks for your interest and comment=
s. I'd point that SLM is clearly out-of-service OAM tool. SLI/SL may be used=
 to perform in-service active LM as well as passive LM.
 Then there is DM and SLI/SL again can be used to perform in-service both ac=
tive and passive DM.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">As for use case that " that would only be=
 possible by adding" these three labels I can think of the following:<o:p></=
o:p></span></p>
</div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto;margin-left:0in;text-indent:-.25in;mso-list:l0 level1 lfo1">
<!--[if !supportLists]--><span style=3D"font-size:10.0pt;font-family:Symbol"=
><span style=3D"mso-list:Ignore">=C2=B7<span style=3D"font:7.0pt &quot;Times=
 New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><!--[endif]--><span style=3D"font-size:11.0pt;font-fami=
ly:&quot;Calibri&quot;,&quot;sans-serif&quot;">OAM on mp2mp/mp2p LSP<o:p></o=
:p></span></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; Regards,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Greg<o:p></o:p></span></p>=

</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">-----Original Message-----<br>
From: mpls [<a href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@iet=
f.org</a>] On Behalf Of Shahram Davari<br>
Sent: Monday, March 24, 2014 8:24 PM<br>
To: Yimin Shen<br>
Cc: <a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-che=
n-mpls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label<o:p></o:p></=
span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">Hi<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">So far I haven't seen any valid use car t=
hat would only be possible by adding this 3 labels. For VPLS LM you could al=
ways use Synthetic loss measurement. Just saying Synthetic
 LM is not as accurate as direct LM is not a good justification for adding 3=
 labels.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">Regards,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">Shahram<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; On Mar 21, 2014, at 11:39 AM, "Yimin=
 Shen" &lt;<a href=3D"mailto:yshen@juniper.net">yshen@juniper.net</a>&gt; wr=
ote:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Hi Mach,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; For an intermediate node, SL would d=
efinitely NOT be at the top of _incoming_ label stack. You would have to ins=
tall complex forwarding state in data plane to look for
 SL and process the packet differently based on the existence/non-existence o=
f SL. It would get even more complicated if you need to put the SL back to t=
he packets, in case other nodes downstream may also be expecting it. So I'd l=
ike to see a valid use case
 for this increased complexity and overhead.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Regarding the egress node use case, n=
ote that it is different than Entropy labels, where an EL is actually used b=
y intermediate nodes and only popped by egress node. So,
 if your goal is simply to inform an egress node about the identity of a sou=
rce node, the source node could just push one label to identify itself. This=
 label could be configured or communicated between the egress node and the s=
ource node in any fashion. However
 in this draft, the source node would have to push 3 extra labels (for SL).<=
o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Thanks,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; /Yimin<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; -----Original Message-----<o:p></o:p=
></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; From: Mach Chen [<a href=3D"mailto:m=
ach.chen@huawei.com">mailto:mach.chen@huawei.com</a>]<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Sent: Thursday, March 20, 2014 11:00=
 AM<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; To: Yimin Shen;
<a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mp=
ls-source-label@tools.ietf.org</a>;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Subject: RE: Mail regarding draft-ch=
en-mpls-source-label<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Hi Yimin,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Thanks for your questions and commen=
ts!<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Please see my reply inline...<o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; -----Original Message-----<o:p><=
/o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; From: Mach Chen<o:p></o:p></span=
></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Sent: Thursday, March 20, 2014 1=
0:45 PM<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; To: Mach Chen<o:p></o:p></span><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Subject: FW: Mail regarding draf=
t-chen-mpls-source-label<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; From: mpls [<a href=3D"mailto:mp=
ls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>] On Behalf Of Yimin Sh=
en<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Sent: Thursday, March 20, 2014 1=
2:03 AM<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; To:
<a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mp=
ls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Subject: [mpls] Mail regarding d=
raft-chen-mpls-source-label<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Hi authors,<o:p></o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Can you please clarify if SL is e=
xpected to be used only by egress
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; node, or by intermediate node as=
 well ?<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; The SL can be used by the egress and=
 intermediate node, but for intermediate node, since the SL may not be on th=
e top of the label stack, if it wants to use it, it needs
 to search the label stack to find the SL, just as to find an EL.<o:p></o:p>=
</span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Section 3.2 "Traffic Matrix Meas=
urement and Steering" describes a use
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; case for intermediate node, but I=
 think congestion should in general
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; be resolved by control plane to r=
eroute traffic based on a global
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; view of network resources, rathe=
r than by data plane based on a SL.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; In your case, would the intermed=
iate node move the traffic to an LSP
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; that is different than the LSP i=
ntended by the ingress node ? I don't think it is the right thing to do.<o:p=
></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Regarding the use case of sectio=
n 3.3 "Source Filtering". If somebody
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; is doing DoS attack, why would h=
e put an SL in the packets ?<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Regarding to these two use cases, as=
 discussed with Curtis, there need more considerations, we will remove these=
 two section in the next revision.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Thanks,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Mach<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Thanks,<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; /Yimin<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; ____________________________________=
___________<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; mpls mailing list<o:p></o:p></span><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org/=
mailman/listinfo/mpls</a><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">_________________________________________=
______<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">mpls mailing list<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;"><a href=3D"mailto:mpls@ietf.org">mpls@iet=
f.org</a><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;"><a href=3D"https://www.ietf.org/mailman/l=
istinfo/mpls">https://www.ietf.org/mailman/listinfo/mpls</a><o:p></o:p></spa=
n></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</blockquote>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal">_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org/=
mailman/listinfo/mpls</a><o:p></o:p></p>
</div>
</blockquote>
</div>


</div></blockquote></body></html>=

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To: "S. Davari" <davarish@yahoo.com>
Thread-Topic: [mpls] Mail regarding draft-chen-mpls-source-label
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--_000_7347100B5761DC41A166AC17F22DF1121B78A54Feusaamb103erics_--


From nobody Mon Mar 24 23:12:44 2014
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From: Mach Chen <mach.chen@huawei.com>
To: Shahram Davari <davari@broadcom.com>, Yimin Shen <yshen@juniper.net>
Thread-Topic: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Shahram,

Everybody knows there is SLM, but SPs need passive LM and DM in some scenar=
ios(please refer to : http://tools.ietf.org/html/draft-deng-ippm-wireless-0=
1 and RFC6374). Both active and passive PM have their application scenarios=
.=20

Again, to correct a mistake here, same as EL, there are only two labels nee=
ded.=20


Best regards,
Mach

> -----Original Message-----
> From: Shahram Davari [mailto:davari@broadcom.com]
> Sent: Tuesday, March 25, 2014 11:24 AM
> To: Yimin Shen
> Cc: Mach Chen; draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
>=20
> Hi
>=20
> So far I haven't seen any valid use car that would only be possible by ad=
ding this 3
> labels. For VPLS LM you could always use Synthetic loss measurement. Just
> saying Synthetic LM is not as accurate as direct LM is not a good justifi=
cation for
> adding 3 labels.
>=20
> Regards,
> Shahram
>=20
>=20
> > On Mar 21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net> wrote:
> >
> > Hi Mach,
> >
> > For an intermediate node, SL would definitely NOT be at the top of _inc=
oming_
> label stack. You would have to install complex forwarding state in data p=
lane to
> look for SL and process the packet differently based on the
> existence/non-existence of SL. It would get even more complicated if you =
need
> to put the SL back to the packets, in case other nodes downstream may als=
o be
> expecting it. So I'd like to see a valid use case for this increased comp=
lexity and
> overhead.
> >
> > Regarding the egress node use case, note that it is different than Entr=
opy labels,
> where an EL is actually used by intermediate nodes and only popped by egr=
ess
> node. So, if your goal is simply to inform an egress node about the ident=
ity of a
> source node, the source node could just push one label to identify itself=
. This
> label could be configured or communicated between the egress node and the
> source node in any fashion. However in this draft, the source node would =
have to
> push 3 extra labels (for SL).
> >
> > Thanks,
> >
> > /Yimin
> >
> >
> > -----Original Message-----
> > From: Mach Chen [mailto:mach.chen@huawei.com]
> > Sent: Thursday, March 20, 2014 11:00 AM
> > To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org;
> > mpls@ietf.org
> > Subject: RE: Mail regarding draft-chen-mpls-source-label
> >
> > Hi Yimin,
> >
> > Thanks for your questions and comments!
> >
> > Please see my reply inline...
> >
> >> -----Original Message-----
> >> From: Mach Chen
> >> Sent: Thursday, March 20, 2014 10:45 PM
> >> To: Mach Chen
> >> Subject: FW: Mail regarding draft-chen-mpls-source-label
> >>
> >>
> >>
> >> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> >> Sent: Thursday, March 20, 2014 12:03 AM
> >> To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> >> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
> >>
> >> Hi authors,
> >>
> >> Can you please clarify if SL is expected to be used only by egress
> >> node, or by intermediate node as well ?
> >
> > The SL can be used by the egress and intermediate node, but for interme=
diate
> node, since the SL may not be on the top of the label stack, if it wants =
to use it, it
> needs to search the label stack to find the SL, just as to find an EL.
> >
> >>
> >> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use
> >> case for intermediate node, but I think congestion should in general
> >> be resolved by control plane to reroute traffic based on a global
> >> view of network resources, rather than by data plane based on a SL.
> >> In your case, would the intermediate node move the traffic to an LSP
> >> that is different than the LSP intended by the ingress node ? I don't =
think it is
> the right thing to do.
> >>
> >> Regarding the use case of section 3.3 "Source Filtering". If somebody
> >> is doing DoS attack, why would he put an SL in the packets ?
> >
> > Regarding to these two use cases, as discussed with Curtis, there need =
more
> considerations, we will remove these two section in the next revision.
> >
> > Thanks,
> > Mach
> >
> >>
> >> Thanks,
> >>
> >> /Yimin
> >
> >
> >
> > _______________________________________________
> > mpls mailing list
> > mpls@ietf.org
> > https://www.ietf.org/mailman/listinfo/mpls


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From: "S. Davari" <davarish@yahoo.com>
Date: Mon, 24 Mar 2014 23:27:19 -0700
To: Gregory Mirsky <gregory.mirsky@ericsson.com>
Archived-At: http://mailarchive.ietf.org/arch/msg/mpls/iy8Td4M-uqLASlPpK1t5B7HIXyQ
Cc: "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-label@tools.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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You don't need high rate SLM packets. Just send them at low rate. That is ho=
w SLM works.

Yes MEF defines it as Matrix of pair-wise measurement and it mandates only t=
he SLM, while direct loss measurement is optional. SLM was designed to work i=
n multi point services.



Regards,
Shahram


> On Mar 24, 2014, at 11:06 PM, Gregory Mirsky <gregory.mirsky@ericsson.com>=
 wrote:
>=20
> Hi Shahram,
> consider flow at 99% of its CIR. How would you perform  in-service measure=
 with SLM?
> AFAIK, MEF considers LM of E-LAN service as matrix of p2p measurements. It=
 is interesting approach but not yet adopted by IETF.
> Yes, you may do proprietary things with payload. Or use SLI/SL.
> =20
>                 Regards,
>                                 Greg
> =20
> From: S. Davari [mailto:davarish@yahoo.com]=20
> Sent: Monday, March 24, 2014 10:50 PM
> To: Gregory Mirsky
> Cc: Shahram Davari; Yimin Shen; draft-chen-mpls-source-label@tools.ietf.or=
g; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> =20
> Hi Greg
> =20
> In profile simply means green packets and by generate green SLM packets yo=
u could achieve the same results.
> =20
> MEF explains how SLM is used for non p2p services.=20
> =20
> And For Delay measurement you can just run DM. The source info can be in T=
he payload of DM as TLV.
>=20
> Regards,
> Shahram
> =20
>=20
> On Mar 24, 2014, at 10:19 PM, Gregory Mirsky <gregory.mirsky@ericsson.com>=
 wrote:
>=20
> Hi Shahram,
> many thanks for most expedient response.
> Firstly, regarding in-service SLM. AFAIK, the difference between LM and SL=
M, at least in Y.1731, is that the former collects counters of =E2=80=9Cin-p=
rofile=E2=80=9D frames while the latter only counts the test packets themsel=
ves. Given that, I can not agree that using SLM as in-service active measure=
ment method is viable unless operator willing to sufficiently alter data tra=
ffic behavior.
> Secondly, would be great if you can expand on =E2=80=9Cit works for Mp2p a=
nd mp2mp=E2=80=9D. I=E2=80=99m very interested to learn from you how to do L=
M on mp2mp LSP with current MPLS OAM tools, i.e. without SLI/SL. And while w=
e are at  this topic, would you kindly explain how SLM helps with DM over th=
e same construct, i.e. mp2mp LSP.
> =20
>                 Regards,
>                                 Greg
> =20
> From: S. Davari [mailto:davarish@yahoo.com]=20
> Sent: Monday, March 24, 2014 10:01 PM
> To: Gregory Mirsky
> Cc: Shahram Davari; Yimin Shen; draft-chen-mpls-source-label@tools.ietf.or=
g; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> =20
> Hi Greg
> =20
> Thanks for your reply. SLM can be used for in service measurement. And it w=
orks for Mp2p and mp2mp. So you don't really need the 3 extra labels.
>=20
> Regards,.
> Shahram
> =20
>=20
> On Mar 24, 2014, at 9:52 PM, Gregory Mirsky <gregory.mirsky@ericsson.com> w=
rote:
>=20
> Hi Shahram,
> many thanks for your interest and comments. I'd point that SLM is clearly o=
ut-of-service OAM tool. SLI/SL may be used to perform in-service active LM a=
s well as passive LM. Then there is DM and SLI/SL again can be used to perfo=
rm in-service both active and passive DM.
> As for use case that " that would only be possible by adding" these three l=
abels I can think of the following:
> =C2=B7         OAM on mp2mp/mp2p LSP
> =20
>         Regards,
>                 Greg
> =20
> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Shahram Davari
> Sent: Monday, March 24, 2014 8:24 PM
> To: Yimin Shen
> Cc: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> =20
> Hi
> =20
> So far I haven't seen any valid use car that would only be possible by add=
ing this 3 labels. For VPLS LM you could always use Synthetic loss measureme=
nt. Just saying Synthetic LM is not as accurate as direct LM is not a good j=
ustification for adding 3 labels.
> =20
> Regards,
> Shahram
> =20
> =20
> > On Mar 21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net> wrote:
> >
> > Hi Mach,
> >
> > For an intermediate node, SL would definitely NOT be at the top of _inco=
ming_ label stack. You would have to install complex forwarding state in dat=
a plane to look for SL and process the packet differently based on the exist=
ence/non-existence of SL. It would get even more complicated if you need to p=
ut the SL back to the packets, in case other nodes downstream may also be ex=
pecting it. So I'd like to see a valid use case for this increased complexit=
y and overhead.
> >
> > Regarding the egress node use case, note that it is different than Entro=
py labels, where an EL is actually used by intermediate nodes and only poppe=
d by egress node. So, if your goal is simply to inform an egress node about t=
he identity of a source node, the source node could just push one label to i=
dentify itself. This label could be configured or communicated between the e=
gress node and the source node in any fashion. However in this draft, the so=
urce node would have to push 3 extra labels (for SL).
> >
> > Thanks,
> >
> > /Yimin
> >
> >
> > -----Original Message-----
> > From: Mach Chen [mailto:mach.chen@huawei.com]
> > Sent: Thursday, March 20, 2014 11:00 AM
> > To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org;
> > mpls@ietf.org
> > Subject: RE: Mail regarding draft-chen-mpls-source-label
> >
> > Hi Yimin,
> >
> > Thanks for your questions and comments!
> >
> > Please see my reply inline...
> >
> >> -----Original Message-----
> >> From: Mach Chen
> >> Sent: Thursday, March 20, 2014 10:45 PM
> >> To: Mach Chen
> >> Subject: FW: Mail regarding draft-chen-mpls-source-label
> >>
> >>
> >>
> >> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> >> Sent: Thursday, March 20, 2014 12:03 AM
> >> To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> >> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
> >>
> >> Hi authors,
> >>
> >> Can you please clarify if SL is expected to be used only by egress
> >> node, or by intermediate node as well ?
> >
> > The SL can be used by the egress and intermediate node, but for intermed=
iate node, since the SL may not be on the top of the label stack, if it want=
s to use it, it needs to search the label stack to find the SL, just as to f=
ind an EL.
> >
> >>
> >> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use
> >> case for intermediate node, but I think congestion should in general
> >> be resolved by control plane to reroute traffic based on a global
> >> view of network resources, rather than by data plane based on a SL.
> >> In your case, would the intermediate node move the traffic to an LSP
> >> that is different than the LSP intended by the ingress node ? I don't t=
hink it is the right thing to do.
> >>
> >> Regarding the use case of section 3.3 "Source Filtering". If somebody
> >> is doing DoS attack, why would he put an SL in the packets ?
> >
> > Regarding to these two use cases, as discussed with Curtis, there need m=
ore considerations, we will remove these two section in the next revision.
> >
> > Thanks,
> > Mach
> >
> >>
> >> Thanks,
> >>
> >> /Yimin
> >
> >
> >
> > _______________________________________________
> > mpls mailing list
> > mpls@ietf.org
> > https://www.ietf.org/mailman/listinfo/mpls
> =20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
> =20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>You don't need high rate SLM packets. J=
ust send them at low rate. That is how SLM works.</div><div><br></div><div>Y=
es MEF defines it as Matrix of pair-wise measurement and it mandates only th=
e SLM, while direct loss measurement is optional. SLM was designed to work i=
n multi point services.</div><div><br></div><div><br><br>Regards,<div>Shahra=
m</div><div><br></div></div><div><br>On Mar 24, 2014, at 11:06 PM, Gregory M=
irsky &lt;<a href=3D"mailto:gregory.mirsky@ericsson.com">gregory.mirsky@eric=
sson.com</a>&gt; wrote:<br><br></div><blockquote type=3D"cite"><div>

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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram,<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">consider flow at 99% of its=
 CIR. How would you perform &nbsp;in-service measure with SLM?<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">AFAIK, MEF considers LM of E=
-LAN service as matrix of p2p measurements. It is interesting approach but n=
ot yet adopted by IETF.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Yes, you may do proprietary=
 things with payload. Or use SLI/SL.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Regards,<o:p=
></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; Greg<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p=
>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0=
in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot;=
Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> S. Davari [=
<a href=3D"mailto:davarish@yahoo.com">mailto:davarish@yahoo.com</a>]
<br>
<b>Sent:</b> Monday, March 24, 2014 10:50 PM<br>
<b>To:</b> Gregory Mirsky<br>
<b>Cc:</b> Shahram Davari; Yimin Shen; <a href=3D"mailto:draft-chen-mpls-sou=
rce-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>; <=
a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Mail regarding draft-chen-mpls-source-label<o:p><=
/o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal">Hi Greg<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">In profile simply means green packets and by generate=
 green SLM packets you could achieve the same results.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">MEF explains how SLM is used for non p2p services.&nb=
sp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">And For Delay measurement you can just run DM. The so=
urce info can be in The payload of DM as TLV.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><br>
Regards,<o:p></o:p></p>
<div>
<p class=3D"MsoNormal">Shahram<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
On Mar 24, 2014, at 10:19 PM, Gregory Mirsky &lt;<a href=3D"mailto:gregory.m=
irsky@ericsson.com">gregory.mirsky@ericsson.com</a>&gt; wrote:<o:p></o:p></p=
>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram,</span><o:p></o:=
p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">many thanks for most expedi=
ent response.</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Firstly, regarding in-servi=
ce SLM. AFAIK, the difference between LM and SLM, at least in Y.1731, is tha=
t the former collects counters of =E2=80=9Cin-profile=E2=80=9D frames
 while the latter only counts the test packets themselves. Given that, I can=
 not agree that using SLM as in-service active measurement method is viable u=
nless operator willing to sufficiently alter data traffic behavior.</span><o=
:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Secondly, would be great if=
 you can expand on =E2=80=9Cit works for Mp2p and mp2mp=E2=80=9D. I=E2=80=99=
m very interested to learn from you how to do LM on mp2mp LSP with current M=
PLS
 OAM tools, i.e. without SLI/SL. And while we are at&nbsp; this topic, would=
 you kindly explain how SLM helps with DM over the same construct, i.e. mp2m=
p LSP.</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Regards,</sp=
an><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; Greg</span><o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p></p=
>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0=
in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot;=
Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-siz=
e:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> S. Davari [=
<a href=3D"mailto:davarish@yahoo.com">mailto:davarish@yahoo.com</a>]
<br>
<b>Sent:</b> Monday, March 24, 2014 10:01 PM<br>
<b>To:</b> Gregory Mirsky<br>
<b>Cc:</b> Shahram Davari; Yimin Shen; <a href=3D"mailto:draft-chen-mpls-sou=
rce-label@tools.ietf.org">
draft-chen-mpls-source-label@tools.ietf.org</a>; <a href=3D"mailto:mpls@ietf=
.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Mail regarding draft-chen-mpls-source-label</span=
><o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
<div>
<p class=3D"MsoNormal">Hi Greg<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Thanks for your reply. SLM can be used for in service=
 measurement. And it works for Mp2p and mp2mp. So you don't really need the 3=
 extra labels.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><br>
Regards,.<o:p></o:p></p>
<div>
<p class=3D"MsoNormal">Shahram<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
On Mar 24, 2014, at 9:52 PM, Gregory Mirsky &lt;<a href=3D"mailto:gregory.mi=
rsky@ericsson.com">gregory.mirsky@ericsson.com</a>&gt; wrote:<o:p></o:p></p>=

</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">Hi Shahram,</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">many thanks for your interest and comment=
s. I'd point that SLM is clearly out-of-service OAM tool. SLI/SL may be used=
 to perform in-service active LM as well as passive LM.
 Then there is DM and SLI/SL again can be used to perform in-service both ac=
tive and passive DM.</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">As for use case that " that would only be=
 possible by adding" these three labels I can think of the following:</span>=
<o:p></o:p></p>
</div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto;margin-left:0in;text-indent:-.25in;mso-list:l0 level1 lfo2">
<!--[if !supportLists]--><span style=3D"font-size:10.0pt;font-family:Symbol"=
><span style=3D"mso-list:Ignore">=C2=B7<span style=3D"font:7.0pt &quot;Times=
 New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><!--[endif]--><span style=3D"font-size:11.0pt;font-fami=
ly:&quot;Calibri&quot;,&quot;sans-serif&quot;">OAM on mp2mp/mp2p LSP</span><=
o:p></o:p></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; Regards,</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Greg</span><o:p></o:p></p>=

</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">-----Original Message-----<br>
From: mpls [<a href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@iet=
f.org</a>] On Behalf Of Shahram Davari<br>
Sent: Monday, March 24, 2014 8:24 PM<br>
To: Yimin Shen<br>
Cc: <a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-che=
n-mpls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label</span><o:p><=
/o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">Hi</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">So far I haven't seen any valid use car t=
hat would only be possible by adding this 3 labels. For VPLS LM you could al=
ways use Synthetic loss measurement. Just saying Synthetic
 LM is not as accurate as direct LM is not a good justification for adding 3=
 labels.
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">Regards,</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">Shahram</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; On Mar 21, 2014, at 11:39 AM, "Yimin=
 Shen" &lt;<a href=3D"mailto:yshen@juniper.net">yshen@juniper.net</a>&gt; wr=
ote:</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Hi Mach,</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; For an intermediate node, SL would d=
efinitely NOT be at the top of _incoming_ label stack. You would have to ins=
tall complex forwarding state in data plane to look for
 SL and process the packet differently based on the existence/non-existence o=
f SL. It would get even more complicated if you need to put the SL back to t=
he packets, in case other nodes downstream may also be expecting it. So I'd l=
ike to see a valid use case
 for this increased complexity and overhead.</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Regarding the egress node use case, n=
ote that it is different than Entropy labels, where an EL is actually used b=
y intermediate nodes and only popped by egress node. So,
 if your goal is simply to inform an egress node about the identity of a sou=
rce node, the source node could just push one label to identify itself. This=
 label could be configured or communicated between the egress node and the s=
ource node in any fashion. However
 in this draft, the source node would have to push 3 extra labels (for SL).<=
/span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Thanks,</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; /Yimin</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; -----Original Message-----</span><o:=
p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; From: Mach Chen [<a href=3D"mailto:m=
ach.chen@huawei.com">mailto:mach.chen@huawei.com</a>]</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Sent: Thursday, March 20, 2014 11:00=
 AM</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; To: Yimin Shen;
<a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mp=
ls-source-label@tools.ietf.org</a>;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a></span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Subject: RE: Mail regarding draft-ch=
en-mpls-source-label</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Hi Yimin,</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Thanks for your questions and commen=
ts!</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Please see my reply inline...</span>=
<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; -----Original Message-----</span=
><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; From: Mach Chen</span><o:p></o:p=
></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Sent: Thursday, March 20, 2014 1=
0:45 PM</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; To: Mach Chen</span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Subject: FW: Mail regarding draf=
t-chen-mpls-source-label</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; From: mpls [<a href=3D"mailto:mp=
ls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>] On Behalf Of Yimin Sh=
en</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Sent: Thursday, March 20, 2014 1=
2:03 AM</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; To:
<a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mp=
ls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a></span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Subject: [mpls] Mail regarding d=
raft-chen-mpls-source-label</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Hi authors,</span><o:p></o:p></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Can you please clarify if SL is e=
xpected to be used only by egress
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; node, or by intermediate node as=
 well ?</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; The SL can be used by the egress and=
 intermediate node, but for intermediate node, since the SL may not be on th=
e top of the label stack, if it wants to use it, it needs
 to search the label stack to find the SL, just as to find an EL.</span><o:p=
></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Section 3.2 "Traffic Matrix Meas=
urement and Steering" describes a use
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; case for intermediate node, but I=
 think congestion should in general
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; be resolved by control plane to r=
eroute traffic based on a global
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; view of network resources, rathe=
r than by data plane based on a SL.
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; In your case, would the intermed=
iate node move the traffic to an LSP
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; that is different than the LSP i=
ntended by the ingress node ? I don't think it is the right thing to do.</sp=
an><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Regarding the use case of sectio=
n 3.3 "Source Filtering". If somebody
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; is doing DoS attack, why would h=
e put an SL in the packets ?</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Regarding to these two use cases, as=
 discussed with Curtis, there need more considerations, we will remove these=
 two section in the next revision.</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Thanks,</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; Mach</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; Thanks,</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;&gt; /Yimin</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; ____________________________________=
___________</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt; mpls mailing list</span><o:p></o:p><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a></span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&gt;
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org/=
mailman/listinfo/mpls</a></span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">_________________________________________=
______</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">mpls mailing list</span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;"><a href=3D"mailto:mpls@ietf.org">mpls@iet=
f.org</a></span><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;"><a href=3D"https://www.ietf.org/mailman/l=
istinfo/mpls">https://www.ietf.org/mailman/listinfo/mpls</a></span><o:p></o:=
p></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Cal=
ibri&quot;,&quot;sans-serif&quot;">&nbsp;</span><o:p></o:p></p>
</div>
</div>
</blockquote>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal">_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org/=
mailman/listinfo/mpls</a><o:p></o:p></p>
</div>
</blockquote>
</div>
</blockquote>
</div>


</div></blockquote></body></html>=

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From: Mach Chen <mach.chen@huawei.com>
To: "S. Davari" <davarish@yahoo.com>, Gregory Mirsky <gregory.mirsky@ericsson.com>
Thread-Topic: [mpls] Mail regarding draft-chen-mpls-source-label
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Date: Mon, 24 Mar 2014 23:50:17 -0700 (PDT)
From: "S. Davari" <davarish@yahoo.com>
To: Mach Chen <mach.chen@huawei.com>, Gregory Mirsky <gregory.mirsky@ericsson.com>
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Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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=0AHi,=0A=0AYou did not prove yet why active =0A(Synthetic) measurement is =
not enough in MPLS networks. I would in fact=C2=A0=0A argue that by adding =
XL/SLI/SL to the data packets during the LM =0Ameasurement the network can =
use a different ECMP path than when you are =0Anot using the XL/SLI/SL and =
therefore your measurement is only valid =0Aduring the measurement interval=
 and does not represent what the user =0Aexperiences after the measurement =
is over.=0A=0AThx=0AShahram=0A=0A=0A________________________________=0A Fro=
m: Mach Chen <mach.chen@huawei.com>=0ATo: S. Davari <davarish@yahoo.com>; G=
regory Mirsky <gregory.mirsky@ericsson.com> =0ACc: "draft-chen-mpls-source-=
label@tools.ietf.org" <draft-chen-mpls-source-label@tools.ietf.org>; "mpls@=
ietf.org" <mpls@ietf.org> =0ASent: Monday, March 24, 2014 11:27:53 PM=0ASub=
ject: RE: [mpls] Mail regarding draft-chen-mpls-source-label=0A =0A=0A=0A =
=0AHi Shahram,=0A=C2=A0=0AAre you claiming that the active performance meas=
urement is sufficient and passive performance measurement is not needed? =
=0A=C2=A0=0ABest regards,=0AMach=0A=C2=A0=0AFrom:mpls [mailto:mpls-bounces@=
ietf.org] On Behalf Of S. Davari=0ASent: Tuesday, March 25, 2014 1:50 PM=0A=
To: Gregory Mirsky=0ACc: draft-chen-mpls-source-label@tools.ietf.org; mpls@=
ietf.org=0ASubject: Re: [mpls] Mail regarding draft-chen-mpls-source-label=
=0A=C2=A0=0AHi Greg=0A=C2=A0=0AIn profile simply means green packets and by=
 generate green SLM packets you could achieve the same results.=0A=C2=A0=0A=
MEF explains how SLM is used for non p2p services.=C2=A0=0A=C2=A0=0AAnd For=
 Delay measurement you can just run DM. The source info can be in The paylo=
ad of DM as TLV.=0A=0ARegards,=0AShahram=0A=C2=A0=0A=0AOn Mar 24, 2014, at =
10:19 PM, Gregory Mirsky <gregory.mirsky@ericsson.com> wrote:=0AHi Shahram,=
=0A>many thanks for most expedient response.=0A>Firstly, regarding in-servi=
ce SLM. AFAIK, the difference between LM and SLM, at least in Y.1731, is th=
at the former collects counters of =E2=80=9Cin-profile=E2=80=9D frames whil=
e the latter only counts the test packets themselves. Given that, I can not=
 agree that using SLM as in-service active measurement method is viable unl=
ess operator willing to sufficiently alter data traffic behavior.=0A>Second=
ly, would be great if you can expand on =E2=80=9Cit works for Mp2p and mp2m=
p=E2=80=9D. I=E2=80=99m very interested to learn from you how to do LM on m=
p2mp LSP with current MPLS OAM tools, i.e. without SLI/SL. And while we are=
 at=C2=A0 this topic, would you kindly explain how SLM helps with DM over t=
he same construct, i.e. mp2mp LSP.=0A>=C2=A0=0A>=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Regards,=0A=
>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Greg=0A>=C2=A0=0A>From:S. Davari [m=
ailto:davarish@yahoo.com] =0A>Sent: Monday, March 24, 2014 10:01 PM=0A>To: =
Gregory Mirsky=0A>Cc: Shahram Davari; Yimin Shen; draft-chen-mpls-source-la=
bel@tools.ietf.org; mpls@ietf.org=0A>Subject: Re: [mpls] Mail regarding dra=
ft-chen-mpls-source-label=0A>=C2=A0=0A>Hi Greg=0A>=C2=A0=0A>Thanks for your=
 reply. SLM can be used for in service measurement. And it works for Mp2p a=
nd mp2mp. So you don't really need the 3 extra labels.=0A>=0A>Regards,.=0A>=
Shahram=0A>=C2=A0=0A>=0A>On Mar 24, 2014, at 9:52 PM, Gregory Mirsky <grego=
ry.mirsky@ericsson.com> wrote:=0A>Hi Shahram,=0A>>many thanks for your inte=
rest and comments. I'd point that SLM is clearly out-of-service OAM tool. S=
LI/SL may be used to perform in-service active LM as well as passive LM. Th=
en there is DM and SLI/SL again can be used to perform in-service both acti=
ve and passive DM.=0A>>As for use case that " that would only be possible b=
y adding" these three labels I can think of the following:=0A>>=C2=B7=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 OAM on mp2mp/mp2p LSP=0A>>=C2=A0=
=0A>>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Regards,=0A>>=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0 Greg=0A>>=C2=A0=0A>>-----Original Message-----=0A>>From: mpls [mailto:m=
pls-bounces@ietf.org] On Behalf Of Shahram Davari=0A>>Sent: Monday, March 2=
4, 2014 8:24 PM=0A>>To: Yimin Shen=0A>>Cc: draft-chen-mpls-source-label@too=
ls.ietf.org; mpls@ietf.org=0A>>Subject: Re: [mpls] Mail regarding draft-che=
n-mpls-source-label=0A>>=C2=A0=0A>>Hi=0A>>=C2=A0=0A>>So far I haven't seen =
any valid use car that would only be possible by adding this 3 labels. For =
VPLS LM you could always use Synthetic loss measurement. Just saying Synthe=
tic LM is not as accurate as direct LM is not a good justification for addi=
ng 3 labels. =0A>>=C2=A0=0A>>Regards,=0A>>Shahram=0A>>=C2=A0=0A>>=C2=A0=0A>=
>> On Mar 21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net> wrote:=0A=
>>> =0A>>> Hi Mach,=0A>>> =0A>>> For an intermediate node, SL would definit=
ely NOT be at the top of _incoming_ label stack. You would have to install =
complex forwarding state in data plane to look for SL and process the packe=
t differently based on the existence/non-existence of SL. It would get even=
 more complicated if you need to put the SL back to the packets, in case ot=
her nodes downstream may also be expecting it. So I'd like to see a valid u=
se case for this increased complexity and overhead.=0A>>> =0A>>> Regarding =
the egress node use case, note that it is different than Entropy labels, wh=
ere an EL is actually used by intermediate nodes and only popped by egress =
node. So, if your goal is simply to inform an egress node about the identit=
y of a source node, the source node could just push one label to identify i=
tself. This label could be configured or communicated between the egress no=
de and the source node in any fashion. However in this draft, the source no=
de would have to push 3 extra labels (for SL).=0A>>> =0A>>> Thanks,=0A>>> =
=0A>>> /Yimin=0A>>> =0A>>> =0A>>> -----Original Message-----=0A>>> From: Ma=
ch Chen [mailto:mach.chen@huawei.com]=0A>>> Sent: Thursday, March 20, 2014 =
11:00 AM=0A>>> To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org;=
 =0A>>> mpls@ietf.org=0A>>> Subject: RE: Mail regarding draft-chen-mpls-sou=
rce-label=0A>>> =0A>>> Hi Yimin,=0A>>> =0A>>> Thanks for your questions and=
 comments!=0A>>> =0A>>> Please see my reply inline...=0A>>> =0A>>>> -----Or=
iginal Message-----=0A>>>> From: Mach Chen=0A>>>> Sent: Thursday, March 20,=
 2014 10:45 PM=0A>>>> To: Mach Chen=0A>>>> Subject: FW: Mail regarding draf=
t-chen-mpls-source-label=0A>>>> =0A>>>> =0A>>>> =0A>>>> From: mpls [mailto:=
mpls-bounces@ietf.org] On Behalf Of Yimin Shen=0A>>>> Sent: Thursday, March=
 20, 2014 12:03 AM=0A>>>> To: draft-chen-mpls-source-label@tools.ietf.org; =
mpls@ietf.org=0A>>>> Subject: [mpls] Mail regarding draft-chen-mpls-source-=
label=0A>>>> =0A>>>> Hi authors,=0A>>>> =0A>>>> Can you please clarify if S=
L is expected to be used only by egress =0A>>>> node, or by intermediate no=
de as well ?=0A>>> =0A>>> The SL can be used by the egress and intermediate=
 node, but for intermediate node, since the SL may not be on the top of the=
 label stack, if it wants to use it, it needs to search the label stack to =
find the SL, just as to find an EL.=0A>>> =0A>>>> =0A>>>> Section 3.2 "Traf=
fic Matrix Measurement and Steering" describes a use =0A>>>> case for inter=
mediate node, but I think congestion should in general =0A>>>> be resolved =
by control plane to reroute traffic based on a global =0A>>>> view of netwo=
rk resources, rather than by data plane based on a SL. =0A>>>> In your case=
, would the intermediate node move the traffic to an LSP =0A>>>> that is di=
fferent than the LSP intended by the ingress node ? I don't think it is the=
 right thing to do.=0A>>>> =0A>>>> Regarding the use case of section 3.3 "S=
ource Filtering". If somebody =0A>>>> is doing DoS attack, why would he put=
 an SL in the packets ?=0A>>> =0A>>> Regarding to these two use cases, as d=
iscussed with Curtis, there need more considerations, we will remove these =
two section in the next revision.=0A>>> =0A>>> Thanks,=0A>>> Mach=0A>>> =0A=
>>>> =0A>>>> Thanks,=0A>>>> =0A>>>> /Yimin=0A>>> =0A>>> =0A>>> =0A>>> _____=
__________________________________________=0A>>> mpls mailing list=0A>>> mp=
ls@ietf.org=0A>>> https://www.ietf.org/mailman/listinfo/mpls=0A>>=C2=A0=0A>=
>_______________________________________________=0A>>mpls mailing list=0A>>=
mpls@ietf.org=0A>>https://www.ietf.org/mailman/listinfo/mpls=0A>>=C2=A0=0A>=
_______________________________________________=0A>>mpls mailing list=0A>>m=
pls@ietf.org=0A>>https://www.ietf.org/mailman/listinfo/mpls
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<html><body><div style=3D"color:#000; background-color:#fff; font-family:ti=
mes new roman, new york, times, serif;font-size:12pt"><div>Hi,<br clear=3D"=
none"><br clear=3D"none">You did not prove yet why active =0A(Synthetic) me=
asurement is not enough in MPLS networks. I would in fact&nbsp;=0A argue th=
at by adding XL/SLI/SL to the data packets during the LM =0Ameasurement the=
 network can use a different ECMP path than when you are =0Anot using the X=
L/SLI/SL and therefore your measurement is only valid =0Aduring the measure=
ment interval and does not represent what the user =0Aexperiences after the=
 measurement is over.<br clear=3D"none"><br clear=3D"none">Thx<br clear=3D"=
none">Shahram</div><div><br></div>  <div style=3D"font-family: times new ro=
man, new york, times, serif; font-size: 12pt;"> <div style=3D"font-family: =
times new roman, new york, times, serif; font-size: 12pt;"> <div dir=3D"ltr=
"> <hr size=3D"1">  <font face=3D"Arial" size=3D"2"> <b><span style=3D"font=
-weight:bold;">From:</span></b> Mach Chen &lt;mach.chen@huawei.com&gt;<br> =
<b><span style=3D"font-weight: bold;">To:</span></b> S. Davari &lt;davarish=
@yahoo.com&gt;; Gregory Mirsky &lt;gregory.mirsky@ericsson.com&gt; <br><b><=
span style=3D"font-weight: bold;">Cc:</span></b> "draft-chen-mpls-source-la=
bel@tools.ietf.org" &lt;draft-chen-mpls-source-label@tools.ietf.org&gt;; "m=
pls@ietf.org" &lt;mpls@ietf.org&gt; <br> <b><span style=3D"font-weight: bol=
d;">Sent:</span></b> Monday, March 24, 2014 11:27:53 PM<br> <b><span style=
=3D"font-weight: bold;">Subject:</span></b> RE: [mpls] Mail regarding
 draft-chen-mpls-source-label<br> </font> </div> <div class=3D"y_msg_contai=
ner"><br><meta http-equiv=3D"x-dns-prefetch-control" content=3D"off"><div i=
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_filtered #yiv1653145841 {=0A=0A=0A=0A=0A=0Afont-family:Wingdings;}=0A _fil=
tered #yiv1653145841 {=0A=0A=0A=0A=0A=0Afont-family:Wingdings;}=0A#yiv16531=
45841 ol=0A=09{margin-bottom:0cm;}=0A#yiv1653145841 ul=0A=09{margin-bottom:=
0cm;}=0A--></style>=0A=0A<div>=0A<div class=3D"yiv1653145841WordSection1">=
=0A<div class=3D"yiv1653145841MsoNormal"><font color=3D"#1f497d" face=3D"Ca=
libri" size=3D"2"><span style=3D"font-size:10.5pt;color:#1F497D;" lang=3D"E=
N-US">Hi Shahram,</span></font></div> =0A<div class=3D"yiv1653145841MsoNorm=
al"><font color=3D"#1f497d" face=3D"Calibri" size=3D"2"><span style=3D"font=
-size:10.5pt;color:#1F497D;" lang=3D"EN-US"> &nbsp;</span></font></div> =0A=
<div class=3D"yiv1653145841MsoNormal"><font color=3D"#1f497d" face=3D"Calib=
ri" size=3D"2"><span style=3D"font-size:10.5pt;color:#1F497D;" lang=3D"EN-U=
S">Are you=0A claiming that the active performance measurement is sufficien=
t and passive performance measurement is not needed?=0A</span></font></div>=
 =0A<div class=3D"yiv1653145841MsoNormal"><font color=3D"#1f497d" face=3D"C=
alibri" size=3D"2"><span style=3D"font-size:10.5pt;color:#1F497D;" lang=3D"=
EN-US"> &nbsp;</span></font></div> =0A<div class=3D"yiv1653145841MsoNormal"=
><font color=3D"#1f497d" face=3D"Calibri" size=3D"2"><span style=3D"font-si=
ze:10.5pt;color:#1F497D;" lang=3D"EN-US">Best=0A regards,</span></font></di=
v> =0A<div class=3D"yiv1653145841MsoNormal"><font color=3D"#1f497d" face=3D=
"Calibri" size=3D"2"><span style=3D"font-size:10.5pt;color:#1F497D;" lang=
=3D"EN-US">Mach</span></font></div> =0A<div class=3D"yiv1653145841MsoNormal=
"><font color=3D"#1f497d" face=3D"Calibri" size=3D"2"><span style=3D"font-s=
ize:10.5pt;color:#1F497D;" lang=3D"EN-US"> &nbsp;</span></font></div> =0A<d=
iv style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.=
0pt;">=0A<div>=0A<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;p=
adding:3.0pt 0cm 0cm 0cm;">=0A<div class=3D"yiv1653145841MsoNormal"><b><fon=
t face=3D"Tahoma" size=3D"2"><span style=3D"font-size:10.0pt;font-weight:bo=
ld;" lang=3D"EN-US">From:</span></font></b><font face=3D"Tahoma" size=3D"2"=
><span style=3D"font-size:10.0pt;" lang=3D"EN-US">=0A mpls [mailto:mpls-bou=
nces@ietf.org] <b><span style=3D"font-weight:bold;">On Behalf Of=0A</span><=
/b>S. Davari<br>=0A<b><span style=3D"font-weight:bold;">Sent:</span></b> Tu=
esday, March 25, 2014 1:50 PM<br>=0A<b><span style=3D"font-weight:bold;">To=
:</span></b> Gregory Mirsky<br>=0A<b><span style=3D"font-weight:bold;">Cc:<=
/span></b> draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org<br>=
=0A<b><span style=3D"font-weight:bold;">Subject:</span></b> Re: [mpls] Mail=
 regarding draft-chen-mpls-source-label</span></font></div> =0A</div>=0A</d=
iv>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Times New Roman" =
size=3D"3"><span style=3D"font-size:12.0pt;" lang=3D"EN-US"> &nbsp;</span><=
/font></div> =0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D=
"Times New Roman" size=3D"3"><span style=3D"font-size:12.0pt;" lang=3D"EN-U=
S">Hi Greg</span></font></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145=
841MsoNormal"><font face=3D"Times New Roman" size=3D"3"><span style=3D"font=
-size:12.0pt;" lang=3D"EN-US"> &nbsp;</span></font></div> =0A</div>=0A<div>=
=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Times New Roman" siz=
e=3D"3"><span style=3D"font-size:12.0pt;" lang=3D"EN-US">In profile simply =
means green packets and by generate green SLM packets you could achieve the=
 same results.</span></font></div> =0A</div>=0A<div>=0A<div class=3D"yiv165=
3145841MsoNormal"><font face=3D"Times New Roman" size=3D"3"><span style=3D"=
font-size:12.0pt;" lang=3D"EN-US"> &nbsp;</span></font></div> =0A</div>=0A<=
div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Times New Roman"=
 size=3D"3"><span style=3D"font-size:12.0pt;" lang=3D"EN-US">MEF explains h=
ow SLM is used for non p2p services.&nbsp;</span></font></div> =0A</div>=0A=
<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Times New Roman=
" size=3D"3"><span style=3D"font-size:12.0pt;" lang=3D"EN-US"> &nbsp;</span=
></font></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><f=
ont face=3D"Times New Roman" size=3D"3"><span style=3D"font-size:12.0pt;" l=
ang=3D"EN-US">And For Delay measurement you can just run DM. The source inf=
o can be in The payload of DM as TLV.</span></font></div> =0A</div>=0A<div>=
=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Times New Roman" siz=
e=3D"3"><span style=3D"font-size:12.0pt;" lang=3D"EN-US"><br>=0ARegards,</s=
pan></font></div> =0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font fa=
ce=3D"Times New Roman" size=3D"3"><span style=3D"font-size:12.0pt;" lang=3D=
"EN-US">Shahram</span></font></div> =0A</div>=0A<div>=0A<div class=3D"yiv16=
53145841MsoNormal"><font face=3D"Times New Roman" size=3D"3"><span style=3D=
"font-size:12.0pt;" lang=3D"EN-US"> &nbsp;</span></font></div> =0A</div>=0A=
</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal" style=3D"margin-bott=
om:12.0pt;"><font face=3D"Times New Roman" size=3D"3"><span style=3D"font-s=
ize:12.0pt;" lang=3D"EN-US"><br>=0AOn Mar 24, 2014, at 10:19 PM, Gregory Mi=
rsky &lt;<a rel=3D"nofollow" ymailto=3D"mailto:gregory.mirsky@ericsson.com"=
 target=3D"_blank" href=3D"mailto:gregory.mirsky@ericsson.com">gregory.mirs=
ky@ericsson.com</a>&gt; wrote:</span></font></div> =0A</div>=0A<blockquote =
style=3D"margin-top:5.0pt;margin-bottom:5.0pt;">=0A<div>=0A<div class=3D"yi=
v1653145841MsoNormal"><font color=3D"#1f497d" face=3D"Calibri" size=3D"2"><=
span style=3D"font-size:11.0pt;color:#1F497D;" lang=3D"EN-US">Hi Shahram,</=
span></font><span lang=3D"EN-US"></span></div> =0A<div class=3D"yiv16531458=
41MsoNormal"><font color=3D"#1f497d" face=3D"Calibri" size=3D"2"><span styl=
e=3D"font-size:11.0pt;color:#1F497D;" lang=3D"EN-US">many thanks for most e=
xpedient response.</span></font><span lang=3D"EN-US"></span></div> =0A<div =
class=3D"yiv1653145841MsoNormal"><font color=3D"#1f497d" face=3D"Calibri" s=
ize=3D"2"><span style=3D"font-size:11.0pt;color:#1F497D;" lang=3D"EN-US">Fi=
rstly, regarding in-service SLM. AFAIK, the difference between LM and SLM, =
at least in Y.1731,=0A is that the former collects counters of =E2=80=9Cin-=
profile=E2=80=9D frames while the latter only counts the test packets thems=
elves. Given that, I can not agree that using SLM as in-service active meas=
urement method is viable unless operator willing to sufficiently alter=0A d=
ata traffic behavior.</span></font><span lang=3D"EN-US"></span></div> =0A<d=
iv class=3D"yiv1653145841MsoNormal"><font color=3D"#1f497d" face=3D"Calibri=
" size=3D"2"><span style=3D"font-size:11.0pt;color:#1F497D;" lang=3D"EN-US"=
>Secondly, would be great if you can expand on =E2=80=9Cit works for Mp2p a=
nd mp2mp=E2=80=9D. I=E2=80=99m very interested=0A to learn from you how to =
do LM on mp2mp LSP with current MPLS OAM tools, i.e. without SLI/SL. And wh=
ile we are at&nbsp; this topic, would you kindly explain how SLM helps with=
 DM over the same construct, i.e. mp2mp LSP.</span></font><span lang=3D"EN-=
US"></span></div> =0A<div class=3D"yiv1653145841MsoNormal"><font color=3D"#=
1f497d" face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;color:#=
1F497D;" lang=3D"EN-US">&nbsp;</span></font><span lang=3D"EN-US"></span></d=
iv> =0A<div class=3D"yiv1653145841MsoNormal"><font color=3D"#1f497d" face=
=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;color:#1F497D;" lan=
g=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; Regards,</span></font><span lang=3D"EN-US"></sp=
an></div> =0A<div class=3D"yiv1653145841MsoNormal"><font color=3D"#1f497d" =
face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;color:#1F497D;"=
 lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Greg</span></font><spa=
n lang=3D"EN-US"></span></div> =0A<div class=3D"yiv1653145841MsoNormal"><fo=
nt color=3D"#1f497d" face=3D"Calibri" size=3D"2"><span style=3D"font-size:1=
1.0pt;color:#1F497D;" lang=3D"EN-US">&nbsp;</span></font><span lang=3D"EN-U=
S"></span></div> =0A<div>=0A<div style=3D"border:none;border-top:solid #B5C=
4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm;">=0A<div class=3D"yiv1653145841MsoNorm=
al" style=3D""><b><font face=3D"Tahoma" size=3D"2"><span style=3D"font-size=
:10.0pt;font-weight:bold;" lang=3D"EN-US">From:</span></font></b><font face=
=3D"Tahoma" size=3D"2"><span style=3D"font-size:10.0pt;" lang=3D"EN-US">=0A=
 S. Davari [<a rel=3D"nofollow" ymailto=3D"mailto:davarish@yahoo.com" targe=
t=3D"_blank" href=3D"mailto:davarish@yahoo.com">mailto:davarish@yahoo.com</=
a>] <br>=0A<b><span style=3D"font-weight:bold;">Sent:</span></b> Monday, Ma=
rch 24, 2014 10:01 PM<br>=0A<b><span style=3D"font-weight:bold;">To:</span>=
</b> Gregory Mirsky<br>=0A<b><span style=3D"font-weight:bold;">Cc:</span></=
b> Shahram Davari; Yimin Shen; <a rel=3D"nofollow" ymailto=3D"mailto:draft-=
chen-mpls-source-label@tools.ietf.org" target=3D"_blank" href=3D"mailto:dra=
ft-chen-mpls-source-label@tools.ietf.org">=0Adraft-chen-mpls-source-label@t=
ools.ietf.org</a>; <a rel=3D"nofollow" ymailto=3D"mailto:mpls@ietf.org" tar=
get=3D"_blank" href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>=0A<b><sp=
an style=3D"font-weight:bold;">Subject:</span></b> Re: [mpls] Mail regardin=
g draft-chen-mpls-source-label</span></font><span lang=3D"EN-US"></span></d=
iv> =0A</div>=0A</div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=
=3D"Times New Roman" size=3D"3"><span style=3D"font-size:12.0pt;" lang=3D"E=
N-US">&nbsp;</span></font></div> =0A<div>=0A<div class=3D"yiv1653145841MsoN=
ormal"><font face=3D"Times New Roman" size=3D"3"><span style=3D"font-size:1=
2.0pt;" lang=3D"EN-US">Hi Greg</span></font></div> =0A</div>=0A<div>=0A<div=
 class=3D"yiv1653145841MsoNormal"><font face=3D"Times New Roman" size=3D"3"=
><span style=3D"font-size:12.0pt;" lang=3D"EN-US">&nbsp;</span></font></div=
> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"T=
imes New Roman" size=3D"3"><span style=3D"font-size:12.0pt;" lang=3D"EN-US"=
>Thanks for your reply. SLM can be used for in service measurement. And it =
works for Mp2p and mp2mp. So you don't really need the 3 extra labels.</spa=
n></font></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><=
font face=3D"Times New Roman" size=3D"3"><span style=3D"font-size:12.0pt;" =
lang=3D"EN-US"><br>=0ARegards,.</span></font></div> =0A<div>=0A<div class=
=3D"yiv1653145841MsoNormal"><font face=3D"Times New Roman" size=3D"3"><span=
 style=3D"font-size:12.0pt;" lang=3D"EN-US">Shahram</span></font></div> =0A=
</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Times =
New Roman" size=3D"3"><span style=3D"font-size:12.0pt;" lang=3D"EN-US">&nbs=
p;</span></font></div> =0A</div>=0A</div>=0A<div>=0A<div class=3D"yiv165314=
5841MsoNormal" style=3D"margin-bottom:12.0pt;"><font face=3D"Times New Roma=
n" size=3D"3"><span style=3D"font-size:12.0pt;" lang=3D"EN-US"><br>=0AOn Ma=
r 24, 2014, at 9:52 PM, Gregory Mirsky &lt;<a rel=3D"nofollow" ymailto=3D"m=
ailto:gregory.mirsky@ericsson.com" target=3D"_blank" href=3D"mailto:gregory=
.mirsky@ericsson.com">gregory.mirsky@ericsson.com</a>&gt; wrote:</span></fo=
nt></div> =0A</div>=0A<blockquote style=3D"margin-top:5.0pt;margin-bottom:5=
.0pt;">=0A<div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=
=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">Hi=
 Shahram,</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=
=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2">=
<span style=3D"font-size:11.0pt;" lang=3D"EN-US">many thanks for your inter=
est and comments. I'd point that SLM is clearly out-of-service OAM tool. SL=
I/SL may be used to perform=0A in-service active LM as well as passive LM. =
Then there is DM and SLI/SL again can be used to perform in-service both ac=
tive and passive DM.</span></font><span lang=3D"EN-US"></span></div> =0A</d=
iv>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" =
size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">As for use case=
 that " that would only be possible by adding" these three labels I can thi=
nk of the following:</span></font><span lang=3D"EN-US"></span></div> =0A</d=
iv>=0A<div class=3D"yiv1653145841MsoNormal" style=3D"margin-left:0cm;">=0A<=
font face=3D"Symbol" size=3D"2"><span style=3D"font-size:10.0pt;font-family=
:Symbol;" lang=3D"EN-US"><span style=3D"">=C2=B7<font face=3D"Times New Rom=
an" size=3D"1"><span style=3D"font:7.0pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;=0A</span></font></span></span></font><font face=3D"Calibri=
" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">OAM on mp2mp/=
mp2p LSP</span></font><span lang=3D"EN-US"></span></div> =0A<div>=0A<div cl=
ass=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span styl=
e=3D"font-size:11.0pt;" lang=3D"EN-US">&nbsp;</span></font><span lang=3D"EN=
-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal=
"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=
=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Regards,</span></font=
><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv16=
53145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-si=
ze:11.0pt;" lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Greg</span></font><span lang=3D"=
EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNorm=
al"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lan=
g=3D"EN-US">&nbsp;</span></font><span lang=3D"EN-US"></span></div> =0A</div=
>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal" style=3D""><font face=3D"=
Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">-----O=
riginal Message-----<br>=0AFrom: mpls [<a rel=3D"nofollow" ymailto=3D"mailt=
o:mpls-bounces@ietf.org" target=3D"_blank" href=3D"mailto:mpls-bounces@ietf=
.org">mailto:mpls-bounces@ietf.org</a>] On Behalf Of Shahram Davari<br>=0AS=
ent: Monday, March 24, 2014 8:24 PM<br>=0ATo: Yimin Shen<br>=0ACc: <a rel=
=3D"nofollow" ymailto=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org=
" target=3D"_blank" href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.=
org">draft-chen-mpls-source-label@tools.ietf.org</a>;=0A<a rel=3D"nofollow"=
 ymailto=3D"mailto:mpls@ietf.org" target=3D"_blank" href=3D"mailto:mpls@iet=
f.org">mpls@ietf.org</a><br>=0ASubject: Re: [mpls] Mail regarding draft-che=
n-mpls-source-label</span></font><span lang=3D"EN-US"></span></div> =0A</di=
v>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" s=
ize=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&nbsp;</span></f=
ont><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yi=
v1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font=
-size:11.0pt;" lang=3D"EN-US">Hi</span></font><span lang=3D"EN-US"></span><=
/div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=
=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&n=
bsp;</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<d=
iv class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span=
 style=3D"font-size:11.0pt;" lang=3D"EN-US">So far I haven't seen any valid=
 use car that would only be possible by adding this 3 labels. For VPLS LM y=
ou could always use Synthetic=0A loss measurement. Just saying Synthetic LM=
 is not as accurate as direct LM is not a good justification for adding 3 l=
abels.=0A</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=
=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2">=
<span style=3D"font-size:11.0pt;" lang=3D"EN-US">&nbsp;</span></font><span =
lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv165314584=
1MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0=
pt;" lang=3D"EN-US">Regards,</span></font><span lang=3D"EN-US"></span></div=
> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"C=
alibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">Shahram=
</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div c=
lass=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span sty=
le=3D"font-size:11.0pt;" lang=3D"EN-US">&nbsp;</span></font><span lang=3D"E=
N-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNorma=
l"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=
=3D"EN-US">&nbsp;</span></font><span lang=3D"EN-US"></span></div> =0A</div>=
=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" siz=
e=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; On Mar 21, 20=
14, at 11:39 AM, "Yimin Shen" &lt;<a rel=3D"nofollow" ymailto=3D"mailto:ysh=
en@juniper.net" target=3D"_blank" href=3D"mailto:yshen@juniper.net">yshen@j=
uniper.net</a>&gt; wrote:</span></font><span lang=3D"EN-US"></span></div> =
=0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Cal=
ibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;=0A</=
span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div cla=
ss=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=
=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; Hi Mach,</span></font><span lang=
=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841Mso=
Normal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;"=
 lang=3D"EN-US">&gt;=0A</span></font><span lang=3D"EN-US"></span></div> =0A=
</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibr=
i" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; For an =
intermediate node, SL would definitely NOT be at the top of _incoming_ labe=
l stack. You would have to install complex=0A forwarding state in data plan=
e to look for SL and process the packet differently based on the existence/=
non-existence of SL. It would get even more complicated if you need to put =
the SL back to the packets, in case other nodes downstream may also be expe=
cting=0A it. So I'd like to see a valid use case for this increased complex=
ity and overhead.</span></font><span lang=3D"EN-US"></span></div> =0A</div>=
=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" siz=
e=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;=0A</span></fo=
nt><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv=
1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-=
size:11.0pt;" lang=3D"EN-US">&gt; Regarding the egress node use case, note =
that it is different than Entropy labels, where an EL is actually used by i=
ntermediate=0A nodes and only popped by egress node. So, if your goal is si=
mply to inform an egress node about the identity of a source node, the sour=
ce node could just push one label to identify itself. This label could be c=
onfigured or communicated between the egress node=0A and the source node in=
 any fashion. However in this draft, the source node would have to push 3 e=
xtra labels (for SL).</span></font><span lang=3D"EN-US"></span></div> =0A</=
div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri"=
 size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;=0A</span>=
</font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D=
"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"f=
ont-size:11.0pt;" lang=3D"EN-US">&gt; Thanks,</span></font><span lang=3D"EN=
-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal=
"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=
=3D"EN-US">&gt;=0A</span></font><span lang=3D"EN-US"></span></div> =0A</div=
>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" si=
ze=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; /Yimin</span=
></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=
=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=
=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;=0A</span></font><span lang=3D"EN=
-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal=
"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=
=3D"EN-US">&gt;=0A</span></font><span lang=3D"EN-US"></span></div> =0A</div=
>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" si=
ze=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; -----Origina=
l Message-----</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A=
<div>=0A<div class=3D"yiv1653145841MsoNormal" style=3D""><font face=3D"Cali=
bri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; From:=
 Mach Chen [<a rel=3D"nofollow" ymailto=3D"mailto:mach.chen@huawei.com" tar=
get=3D"_blank" href=3D"mailto:mach.chen@huawei.com">mailto:mach.chen@huawei=
.com</a>]</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=
=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2">=
<span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; Sent: Thursday, March=
 20, 2014 11:00 AM</span></font><span lang=3D"EN-US"></span></div> =0A</div=
>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" si=
ze=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; To: Yimin Sh=
en;=0A<a rel=3D"nofollow" ymailto=3D"mailto:draft-chen-mpls-source-label@to=
ols.ietf.org" target=3D"_blank" href=3D"mailto:draft-chen-mpls-source-label=
@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>;=0A</span>=
</font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D=
"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"f=
ont-size:11.0pt;" lang=3D"EN-US">&gt;=0A<a rel=3D"nofollow" ymailto=3D"mail=
to:mpls@ietf.org" target=3D"_blank" href=3D"mailto:mpls@ietf.org">mpls@ietf=
.org</a></span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=
=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2">=
<span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; Subject: RE: Mail reg=
arding draft-chen-mpls-source-label</span></font><span lang=3D"EN-US"></spa=
n></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font fa=
ce=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">=
&gt;=0A</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=
=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2">=
<span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; Hi Yimin,</span></fon=
t><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1=
653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-s=
ize:11.0pt;" lang=3D"EN-US">&gt;=0A</span></font><span lang=3D"EN-US"></spa=
n></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font fa=
ce=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">=
&gt; Thanks for your questions and comments!</span></font><span lang=3D"EN-=
US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"=
><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=
=3D"EN-US">&gt;=0A</span></font><span lang=3D"EN-US"></span></div> =0A</div=
>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" si=
ze=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; Please see m=
y reply inline...</span></font><span lang=3D"EN-US"></span></div> =0A</div>=
=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" siz=
e=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;=0A</span></fo=
nt><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv=
1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-=
size:11.0pt;" lang=3D"EN-US">&gt;&gt; -----Original Message-----</span></fo=
nt><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv=
1653145841MsoNormal" style=3D""><font face=3D"Calibri" size=3D"2"><span sty=
le=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt; From: Mach Chen</span></fo=
nt><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv=
1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-=
size:11.0pt;" lang=3D"EN-US">&gt;&gt; Sent: Thursday, March 20, 2014 10:45 =
PM</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div=
 class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span s=
tyle=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt; To: Mach Chen</span></fo=
nt><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv=
1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-=
size:11.0pt;" lang=3D"EN-US">&gt;&gt; Subject: FW: Mail regarding draft-che=
n-mpls-source-label</span></font><span lang=3D"EN-US"></span></div> =0A</di=
v>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" s=
ize=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt;=0A</spa=
n></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=
=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=
=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt;=0A</span></font><span lang=
=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841Mso=
Normal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;"=
 lang=3D"EN-US">&gt;&gt;=0A</span></font><span lang=3D"EN-US"></span></div>=
 =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal" style=3D""><font=
 face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-U=
S">&gt;&gt; From: mpls [<a rel=3D"nofollow" ymailto=3D"mailto:mpls-bounces@=
ietf.org" target=3D"_blank" href=3D"mailto:mpls-bounces@ietf.org">mailto:mp=
ls-bounces@ietf.org</a>] On Behalf Of=0A Yimin Shen</span></font><span lang=
=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841Mso=
Normal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;"=
 lang=3D"EN-US">&gt;&gt; Sent: Thursday, March 20, 2014 12:03 AM</span></fo=
nt><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv=
1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-=
size:11.0pt;" lang=3D"EN-US">&gt;&gt; To:=0A<a rel=3D"nofollow" ymailto=3D"=
mailto:draft-chen-mpls-source-label@tools.ietf.org" target=3D"_blank" href=
=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-sou=
rce-label@tools.ietf.org</a>;=0A<a rel=3D"nofollow" ymailto=3D"mailto:mpls@=
ietf.org" target=3D"_blank" href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>=
</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div c=
lass=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span sty=
le=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt; Subject: [mpls] Mail regar=
ding draft-chen-mpls-source-label</span></font><span lang=3D"EN-US"></span>=
</div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=
=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&g=
t;&gt;=0A</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=
=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2">=
<span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt; Hi authors,</span=
></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=
=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=
=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt;=0A</span></font><span lang=
=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841Mso=
Normal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;"=
 lang=3D"EN-US">&gt;&gt; Can you please clarify if SL is expected to be use=
d only by egress=0A</span></font><span lang=3D"EN-US"></span></div> =0A</di=
v>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" s=
ize=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt; node, o=
r by intermediate node as well ?</span></font><span lang=3D"EN-US"></span><=
/div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=
=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&g=
t;=0A</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<=
div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><spa=
n style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt; The SL can be used by the=
 egress and intermediate node, but for intermediate node, since the SL may =
not be on the top of the=0A label stack, if it wants to use it, it needs to=
 search the label stack to find the SL, just as to find an EL.</span></font=
><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv16=
53145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-si=
ze:11.0pt;" lang=3D"EN-US">&gt;=0A</span></font><span lang=3D"EN-US"></span=
></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font fac=
e=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&=
gt;&gt;=0A</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div=
>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"=
><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt; Section 3.2 "Tra=
ffic Matrix Measurement and Steering" describes a use=0A</span></font><span=
 lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv16531458=
41MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.=
0pt;" lang=3D"EN-US">&gt;&gt; case for intermediate node, but I think conge=
stion should in general=0A</span></font><span lang=3D"EN-US"></span></div> =
=0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Cal=
ibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt; =
be resolved by control plane to reroute traffic based on a global=0A</span>=
</font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D=
"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"f=
ont-size:11.0pt;" lang=3D"EN-US">&gt;&gt; view of network resources, rather=
 than by data plane based on a SL.=0A</span></font><span lang=3D"EN-US"></s=
pan></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font =
face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US=
">&gt;&gt; In your case, would the intermediate node move the traffic to an=
 LSP=0A</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=
=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2">=
<span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt; that is different=
 than the LSP intended by the ingress node ? I don't think it is the right =
thing to do.</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<d=
iv>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"=
2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt;=0A</span></fon=
t><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1=
653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-s=
ize:11.0pt;" lang=3D"EN-US">&gt;&gt; Regarding the use case of section 3.3 =
"Source Filtering". If somebody=0A</span></font><span lang=3D"EN-US"></span=
></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font fac=
e=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&=
gt;&gt; is doing DoS attack, why would he put an SL in the packets ?</span>=
</font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D=
"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"f=
ont-size:11.0pt;" lang=3D"EN-US">&gt;=0A</span></font><span lang=3D"EN-US">=
</span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><fo=
nt face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN=
-US">&gt; Regarding to these two use cases, as discussed with Curtis, there=
 need more considerations, we will remove these two section=0A in the next =
revision.</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=
=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2">=
<span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;=0A</span></font><span=
 lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv16531458=
41MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.=
0pt;" lang=3D"EN-US">&gt; Thanks,</span></font><span lang=3D"EN-US"></span>=
</div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=
=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&g=
t; Mach</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=
=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2">=
<span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;=0A</span></font><span=
 lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv16531458=
41MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.=
0pt;" lang=3D"EN-US">&gt;&gt;=0A</span></font><span lang=3D"EN-US"></span><=
/div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=
=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&g=
t;&gt; Thanks,</span></font><span lang=3D"EN-US"></span></div> =0A</div>=0A=
<div>=0A<div class=3D"yiv1653145841MsoNormal"><font face=3D"Calibri" size=
=3D"2"><span style=3D"font-size:11.0pt;" lang=3D"EN-US">&gt;&gt;=0A</span><=
/font><span lang=3D"EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"=
yiv1653145841MsoNormal"><font face=3D"Calibri" size=3D"2"><span style=3D"fo=
nt-size:11.0pt;" lang=3D"EN-US">&gt;&gt; /Yimin</span></font><span lang=3D"=
EN-US"></span></div> =0A</div>=0A<div>=0A<div class=3D"yiv1653145841MsoNorm=
al"><font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11.0pt;" lan=
g=3D"EN-US">&gt;=0A</span></font><span lang=3D"EN-US"></span></div> =0A</di=
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Date: Mon, 24 Mar 2014 23:50:57 -0700 (PDT)
From: "S. Davari" <davarish@yahoo.com>
To: Mach Chen <mach.chen@huawei.com>, Shahram Davari <davari@broadcom.com>, Yimin Shen <yshen@juniper.net>
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Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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---277534884-1878432048-1395730257=:22296
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=0AHi Mach,=0A=0AThe draft you refer to, refers=0A to wireless backhaul, wh=
ich as far as I know,=A0 does not use multi-point=0A service, and you could=
 use normal P2P LM/DM. Regarding the number of =0Alabels, note that there a=
re not many reserved labels left and as per =0Afollowing IETF draft pretty =
much no more reserved label can be assigned =0Awithout the use of Extended =
Label Indiactor, which means you need 3 =0Alabels: XL-SLI-SL=0A=0Ahttp://to=
ols.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06=0A=0AThx=0AShah=
ram=0A=0A=0A=0A=0A________________________________=0A From: Mach Chen <mach=
.chen@huawei.com>=0ATo: Shahram Davari <davari@broadcom.com>; Yimin Shen <y=
shen@juniper.net> =0ACc: "draft-chen-mpls-source-label@tools.ietf.org" <dra=
ft-chen-mpls-source-label@tools.ietf.org>; "mpls@ietf.org" <mpls@ietf.org> =
=0ASent: Monday, March 24, 2014 11:12:28 PM=0ASubject: Re: [mpls] Mail rega=
rding draft-chen-mpls-source-label=0A =0A=0AHi Shahram,=0A=0AEverybody know=
s there is SLM, but SPs need passive LM and DM in some scenarios(please ref=
er to : http://tools.ietf.org/html/draft-deng-ippm-wireless-01 and RFC6374)=
. Both active and passive PM have their application scenarios. =0A=0AAgain,=
 to correct a mistake here, same as EL, there are only two labels needed. =
=0A=0A=0ABest regards,=0AMach=0A=0A=0A> -----Original Message-----=0A> From=
: Shahram Davari [mailto:davari@broadcom.com]=0A> Sent: Tuesday, March 25, =
2014 11:24 AM=0A> To: Yimin Shen=0A> Cc: Mach Chen; draft-chen-mpls-source-=
label@tools.ietf.org; mpls@ietf.org=0A> Subject: Re: [mpls] Mail regarding =
draft-chen-mpls-source-label=0A> =0A> Hi=0A> =0A> So far I haven't seen any=
 valid use car that would only be possible by adding this 3=0A> labels. For=
 VPLS LM you could always use Synthetic loss measurement. Just=0A> saying S=
ynthetic LM is not as accurate as direct LM is not a good justification for=
=0A> adding 3 labels.=0A> =0A> Regards,=0A> Shahram=0A> =0A> =0A> > On Mar =
21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net> wrote:=0A> >=0A> > =
Hi Mach,=0A> >=0A> > For an intermediate node, SL would definitely NOT be a=
t the top of _incoming_=0A> label stack. You would have to install complex =
forwarding state in data plane to=0A> look for SL and process the packet di=
fferently based on the=0A> existence/non-existence of SL. It would get even=
 more complicated if you need=0A> to put the SL back to the packets, in cas=
e other nodes downstream may also be=0A> expecting it. So I'd like to see a=
 valid use case for this increased complexity and=0A> overhead.=0A> >=0A> >=
 Regarding the egress node use case, note that it is different than Entropy=
 labels,=0A> where an EL is actually used by intermediate nodes and only po=
pped by egress=0A> node. So, if your goal is simply to inform an egress nod=
e about the identity of a=0A> source node, the source node could just push =
one label to identify itself. This=0A> label could be configured or communi=
cated between the egress node and the=0A> source node in any fashion. Howev=
er in this draft, the source node would have to=0A> push 3 extra labels (fo=
r SL).=0A> >=0A> > Thanks,=0A> >=0A> > /Yimin=0A> >=0A> >=0A> > -----Origin=
al Message-----=0A> > From: Mach Chen [mailto:mach.chen@huawei.com]=0A> > S=
ent: Thursday, March 20, 2014 11:00 AM=0A> > To: Yimin Shen; draft-chen-mpl=
s-source-label@tools.ietf.org;=0A> > mpls@ietf.org=0A> > Subject: RE: Mail =
regarding draft-chen-mpls-source-label=0A> >=0A> > Hi Yimin,=0A> >=0A> > Th=
anks for your questions and comments!=0A> >=0A> > Please see my reply inlin=
e...=0A> >=0A> >> -----Original Message-----=0A> >> From: Mach Chen=0A> >> =
Sent: Thursday, March 20, 2014 10:45 PM=0A> >> To: Mach Chen=0A> >> Subject=
: FW: Mail regarding draft-chen-mpls-source-label=0A> >>=0A> >>=0A> >>=0A> =
>> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen=0A> >>=
 Sent: Thursday, March 20, 2014 12:03 AM=0A> >> To: draft-chen-mpls-source-=
label@tools.ietf.org; mpls@ietf.org=0A> >> Subject: [mpls] Mail regarding d=
raft-chen-mpls-source-label=0A> >>=0A> >> Hi authors,=0A> >>=0A> >> Can you=
 please clarify if SL is expected to be used only by egress=0A> >> node, or=
 by intermediate node as well ?=0A> >=0A> > The SL can be used by the egres=
s and intermediate node, but for intermediate=0A> node, since the SL may no=
t be on the top of the label stack, if it wants to use it, it=0A> needs to =
search the label stack to find the SL, just as to find an EL.=0A> >=0A> >>=
=0A> >> Section 3.2 "Traffic Matrix Measurement and Steering" describes a u=
se=0A> >> case for intermediate node, but I think congestion should in gene=
ral=0A> >> be resolved by control plane to reroute traffic based on a globa=
l=0A> >> view of network resources, rather than by data plane based on a SL=
.=0A> >> In your case, would the intermediate node move the traffic to an L=
SP=0A> >> that is different than the LSP intended by the ingress node ? I d=
on't think it is=0A> the right thing to do.=0A> >>=0A> >> Regarding the use=
 case of section 3.3 "Source Filtering". If somebody=0A> >> is doing DoS at=
tack, why would he put an SL in the packets ?=0A> >=0A> > Regarding to thes=
e two use cases, as discussed with Curtis, there need more=0A> consideratio=
ns, we will remove these two section in the next revision.=0A> >=0A> > Than=
ks,=0A> > Mach=0A> >=0A> >>=0A> >> Thanks,=0A> >>=0A> >> /Yimin=0A> >=0A> >=
=0A> >=0A> > _______________________________________________=0A> > mpls mai=
ling list=0A> > mpls@ietf.org=0A> > https://www.ietf.org/mailman/listinfo/m=
pls=0A=0A_______________________________________________=0Ampls mailing lis=
t=0Ampls@ietf.org=0Ahttps://www.ietf.org/mailman/listinfo/mpls
---277534884-1878432048-1395730257=:22296
Content-Type: text/html; charset=iso-8859-1
Content-Transfer-Encoding: quoted-printable

<html><body><div style=3D"color:#000; background-color:#fff; font-family:ti=
mes new roman, new york, times, serif;font-size:12pt"><div>Hi Mach,<br clea=
r=3D"none"><br clear=3D"none">The draft you refer to, refers=0A to wireless=
 backhaul, which as far as I know,&nbsp; does not use multi-point=0A servic=
e, and you could use normal P2P LM/DM. Regarding the number of =0Alabels, n=
ote that there are not many reserved labels left and as per =0Afollowing IE=
TF draft pretty much no more reserved label can be assigned =0Awithout the =
use of Extended Label Indiactor, which means you need 3 =0Alabels: XL-SLI-S=
L<br clear=3D"none"><br clear=3D"none"><span style=3D"font-size:12.0pt;">ht=
tp://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06<br clear=
=3D"none"><br clear=3D"none">Thx<br clear=3D"none">Shahram</span><br clear=
=3D"none"></div><div><span><br clear=3D"none"></span></div><div><br></div> =
 <div style=3D"font-family: times new roman, new york, times, serif; font-s=
ize: 12pt;"> <div style=3D"font-family: times new roman, new york, times, s=
erif; font-size: 12pt;"> <div dir=3D"ltr"> <hr size=3D"1">  <font face=3D"A=
rial" size=3D"2"> <b><span style=3D"font-weight:bold;">From:</span></b> Mac=
h Chen &lt;mach.chen@huawei.com&gt;<br> <b><span style=3D"font-weight: bold=
;">To:</span></b> Shahram Davari &lt;davari@broadcom.com&gt;; Yimin Shen &l=
t;yshen@juniper.net&gt; <br><b><span style=3D"font-weight: bold;">Cc:</span=
></b> "draft-chen-mpls-source-label@tools.ietf.org" &lt;draft-chen-mpls-sou=
rce-label@tools.ietf.org&gt;; "mpls@ietf.org" &lt;mpls@ietf.org&gt; <br> <b=
><span
 style=3D"font-weight: bold;">Sent:</span></b> Monday, March 24, 2014 11:12=
:28 PM<br> <b><span style=3D"font-weight: bold;">Subject:</span></b> Re: [m=
pls] Mail regarding draft-chen-mpls-source-label<br> </font> </div> <div cl=
ass=3D"y_msg_container"><br>Hi Shahram,<br clear=3D"none"><br clear=3D"none=
">Everybody knows there is SLM, but SPs need passive LM and DM in some scen=
arios(please refer to : <a shape=3D"rect" href=3D"http://tools.ietf.org/htm=
l/draft-deng-ippm-wireless-01" target=3D"_blank">http://tools.ietf.org/html=
/draft-deng-ippm-wireless-01 </a>and RFC6374). Both active and passive PM h=
ave their application scenarios. <br clear=3D"none"><br clear=3D"none">Agai=
n, to correct a mistake here, same as EL, there are only two labels needed.=
 <br clear=3D"none"><br clear=3D"none"><br clear=3D"none">Best regards,<br =
clear=3D"none">Mach<br clear=3D"none"><div class=3D"yqt7637031368" id=3D"yq=
tfd46112"><br clear=3D"none">&gt; -----Original Message-----<br clear=3D"no=
ne">&gt; From: Shahram Davari
 [mailto:<a shape=3D"rect" ymailto=3D"mailto:davari@broadcom.com" href=3D"m=
ailto:davari@broadcom.com">davari@broadcom.com</a>]<br clear=3D"none">&gt; =
Sent: Tuesday, March 25, 2014 11:24 AM<br clear=3D"none">&gt; To: Yimin She=
n<br clear=3D"none">&gt; Cc: Mach Chen; <a shape=3D"rect" ymailto=3D"mailto=
:draft-chen-mpls-source-label@tools.ietf.org" href=3D"mailto:draft-chen-mpl=
s-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org<=
/a>; <a shape=3D"rect" ymailto=3D"mailto:mpls@ietf.org" href=3D"mailto:mpls=
@ietf.org">mpls@ietf.org</a><br clear=3D"none">&gt; Subject: Re: [mpls] Mai=
l regarding draft-chen-mpls-source-label<br clear=3D"none">&gt; <br clear=
=3D"none">&gt; Hi<br clear=3D"none">&gt; <br clear=3D"none">&gt; So far I h=
aven't seen any valid use car that would only be possible by adding this 3<=
br clear=3D"none">&gt; labels. For VPLS LM you could always use Synthetic l=
oss measurement. Just<br clear=3D"none">&gt; saying Synthetic LM is not as =
accurate as direct LM is not a
 good justification for<br clear=3D"none">&gt; adding 3 labels.<br clear=3D=
"none">&gt; <br clear=3D"none">&gt; Regards,<br clear=3D"none">&gt; Shahram=
<br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; &gt=
; On Mar 21, 2014, at 11:39 AM, "Yimin Shen" &lt;<a shape=3D"rect" ymailto=
=3D"mailto:yshen@juniper.net" href=3D"mailto:yshen@juniper.net">yshen@junip=
er.net</a>&gt; wrote:<br clear=3D"none">&gt; &gt;<br clear=3D"none">&gt; &g=
t; Hi Mach,<br clear=3D"none">&gt; &gt;<br clear=3D"none">&gt; &gt; For an =
intermediate node, SL would definitely NOT be at the top of _incoming_<br c=
lear=3D"none">&gt; label stack. You would have to install complex forwardin=
g state in data plane to<br clear=3D"none">&gt; look for SL and process the=
 packet differently based on the<br clear=3D"none">&gt; existence/non-exist=
ence of SL. It would get even more complicated if you need<br clear=3D"none=
">&gt; to put the SL back to the packets, in case other nodes downstream ma=
y also be<br clear=3D"none">&gt;
 expecting it. So I'd like to see a valid use case for this increased compl=
exity and<br clear=3D"none">&gt; overhead.<br clear=3D"none">&gt; &gt;<br c=
lear=3D"none">&gt; &gt; Regarding the egress node use case, note that it is=
 different than Entropy labels,<br clear=3D"none">&gt; where an EL is actua=
lly used by intermediate nodes and only popped by egress<br clear=3D"none">=
&gt; node. So, if your goal is simply to inform an egress node about the id=
entity of a<br clear=3D"none">&gt; source node, the source node could just =
push one label to identify itself. This<br clear=3D"none">&gt; label could =
be configured or communicated between the egress node and the<br clear=3D"n=
one">&gt; source node in any fashion. However in this draft, the source nod=
e would have to<br clear=3D"none">&gt; push 3 extra labels (for SL).<br cle=
ar=3D"none">&gt; &gt;<br clear=3D"none">&gt; &gt; Thanks,<br clear=3D"none"=
>&gt; &gt;<br clear=3D"none">&gt; &gt; /Yimin<br clear=3D"none">&gt; &gt;<b=
r clear=3D"none">&gt;
 &gt;<br clear=3D"none">&gt; &gt; -----Original Message-----<br clear=3D"no=
ne">&gt; &gt; From: Mach Chen [mailto:<a shape=3D"rect" ymailto=3D"mailto:m=
ach.chen@huawei.com" href=3D"mailto:mach.chen@huawei.com">mach.chen@huawei.=
com</a>]<br clear=3D"none">&gt; &gt; Sent: Thursday, March 20, 2014 11:00 A=
M<br clear=3D"none">&gt; &gt; To: Yimin Shen; <a shape=3D"rect" ymailto=3D"=
mailto:draft-chen-mpls-source-label@tools.ietf.org" href=3D"mailto:draft-ch=
en-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.iet=
f.org</a>;<br clear=3D"none">&gt; &gt; <a shape=3D"rect" ymailto=3D"mailto:=
mpls@ietf.org" href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br clear=3D"=
none">&gt; &gt; Subject: RE: Mail regarding draft-chen-mpls-source-label<br=
 clear=3D"none">&gt; &gt;<br clear=3D"none">&gt; &gt; Hi Yimin,<br clear=3D=
"none">&gt; &gt;<br clear=3D"none">&gt; &gt; Thanks for your questions and =
comments!<br clear=3D"none">&gt; &gt;<br clear=3D"none">&gt; &gt; Please se=
e my reply inline...<br
 clear=3D"none">&gt; &gt;<br clear=3D"none">&gt; &gt;&gt; -----Original Mes=
sage-----<br clear=3D"none">&gt; &gt;&gt; From: Mach Chen<br clear=3D"none"=
>&gt; &gt;&gt; Sent: Thursday, March 20, 2014 10:45 PM<br clear=3D"none">&g=
t; &gt;&gt; To: Mach Chen<br clear=3D"none">&gt; &gt;&gt; Subject: FW: Mail=
 regarding draft-chen-mpls-source-label<br clear=3D"none">&gt; &gt;&gt;<br =
clear=3D"none">&gt; &gt;&gt;<br clear=3D"none">&gt; &gt;&gt;<br clear=3D"no=
ne">&gt; &gt;&gt; From: mpls [mailto:<a shape=3D"rect" ymailto=3D"mailto:mp=
ls-bounces@ietf.org" href=3D"mailto:mpls-bounces@ietf.org">mpls-bounces@iet=
f.org</a>] On Behalf Of Yimin Shen<br clear=3D"none">&gt; &gt;&gt; Sent: Th=
ursday, March 20, 2014 12:03 AM<br clear=3D"none">&gt; &gt;&gt; To: <a shap=
e=3D"rect" ymailto=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org" h=
ref=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-=
source-label@tools.ietf.org</a>; <a shape=3D"rect" ymailto=3D"mailto:mpls@i=
etf.org"
 href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br clear=3D"none">&gt; &gt=
;&gt; Subject: [mpls] Mail regarding draft-chen-mpls-source-label<br clear=
=3D"none">&gt; &gt;&gt;<br clear=3D"none">&gt; &gt;&gt; Hi authors,<br clea=
r=3D"none">&gt; &gt;&gt;<br clear=3D"none">&gt; &gt;&gt; Can you please cla=
rify if SL is expected to be used only by egress<br clear=3D"none">&gt; &gt=
;&gt; node, or by intermediate node as well ?<br clear=3D"none">&gt; &gt;<b=
r clear=3D"none">&gt; &gt; The SL can be used by the egress and intermediat=
e node, but for intermediate<br clear=3D"none">&gt; node, since the SL may =
not be on the top of the label stack, if it wants to use it, it<br clear=3D=
"none">&gt; needs to search the label stack to find the SL, just as to find=
 an EL.<br clear=3D"none">&gt; &gt;<br clear=3D"none">&gt; &gt;&gt;<br clea=
r=3D"none">&gt; &gt;&gt; Section 3.2 "Traffic Matrix Measurement and Steeri=
ng" describes a use<br clear=3D"none">&gt; &gt;&gt; case for intermediate n=
ode, but I think
 congestion should in general<br clear=3D"none">&gt; &gt;&gt; be resolved b=
y control plane to reroute traffic based on a global<br clear=3D"none">&gt;=
 &gt;&gt; view of network resources, rather than by data plane based on a S=
L.<br clear=3D"none">&gt; &gt;&gt; In your case, would the intermediate nod=
e move the traffic to an LSP<br clear=3D"none">&gt; &gt;&gt; that is differ=
ent than the LSP intended by the ingress node ? I don't think it is<br clea=
r=3D"none">&gt; the right thing to do.<br clear=3D"none">&gt; &gt;&gt;<br c=
lear=3D"none">&gt; &gt;&gt; Regarding the use case of section 3.3 "Source F=
iltering". If somebody<br clear=3D"none">&gt; &gt;&gt; is doing DoS attack,=
 why would he put an SL in the packets ?<br clear=3D"none">&gt; &gt;<br cle=
ar=3D"none">&gt; &gt; Regarding to these two use cases, as discussed with C=
urtis, there need more<br clear=3D"none">&gt; considerations, we will remov=
e these two section in the next revision.<br clear=3D"none">&gt; &gt;<br cl=
ear=3D"none">&gt;
 &gt; Thanks,<br clear=3D"none">&gt; &gt; Mach<br clear=3D"none">&gt; &gt;<=
br clear=3D"none">&gt; &gt;&gt;<br clear=3D"none">&gt; &gt;&gt; Thanks,<br =
clear=3D"none">&gt; &gt;&gt;<br clear=3D"none">&gt; &gt;&gt; /Yimin<br clea=
r=3D"none">&gt; &gt;<br clear=3D"none">&gt; &gt;<br clear=3D"none">&gt; &gt=
;<br clear=3D"none">&gt; &gt; _____________________________________________=
__<br clear=3D"none">&gt; &gt; mpls mailing list<br clear=3D"none">&gt; &gt=
; <a shape=3D"rect" ymailto=3D"mailto:mpls@ietf.org" href=3D"mailto:mpls@ie=
tf.org">mpls@ietf.org</a><br clear=3D"none">&gt; &gt; <a shape=3D"rect" hre=
f=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">https://=
www.ietf.org/mailman/listinfo/mpls</a><br clear=3D"none"><br clear=3D"none"=
>_______________________________________________<br clear=3D"none">mpls mai=
ling list<br clear=3D"none"><a shape=3D"rect" ymailto=3D"mailto:mpls@ietf.o=
rg" href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br clear=3D"none"><a sh=
ape=3D"rect"
 href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">http=
s://www.ietf.org/mailman/listinfo/mpls</a><br clear=3D"none"></div><br><br>=
</div> </div> </div>  </div></body></html>
---277534884-1878432048-1395730257=:22296--


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From: Mach Chen <mach.chen@huawei.com>
To: "S. Davari" <davarish@yahoo.com>, Shahram Davari <davari@broadcom.com>, Yimin Shen <yshen@juniper.net>
Thread-Topic: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Shahram,

IP/MPLS is commonly used in the mobile backhaul, and many of the networks u=
se pure LDP based tunnel. The service is point-to-point (e.g., from CSG to =
RSG),  but the LDP based tunnel is actually MP2P model. And several custome=
rs require to support passive performance in their mobile backhaul network.

Regarding the number of labels, I agree if only the Extended special purpos=
e label can be assigned, but if the normal special purpose label is assigne=
d, then only two extra labels.

Best regards,
Mach


From: S. Davari [mailto:davarish@yahoo.com]
Sent: Tuesday, March 25, 2014 2:51 PM
To: Mach Chen; Shahram Davari; Yimin Shen
Cc: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label

Hi Mach,

The draft you refer to, refers to wireless backhaul, which as far as I know=
,  does not use multi-point service, and you could use normal P2P LM/DM. Re=
garding the number of labels, note that there are not many reserved labels =
left and as per following IETF draft pretty much no more reserved label can=
 be assigned without the use of Extended Label Indiactor, which means you n=
eed 3 labels: XL-SLI-SL

http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06

Thx
Shahram


________________________________
From: Mach Chen <mach.chen@huawei.com<mailto:mach.chen@huawei.com>>
To: Shahram Davari <davari@broadcom.com<mailto:davari@broadcom.com>>; Yimin=
 Shen <yshen@juniper.net<mailto:yshen@juniper.net>>
Cc: "draft-chen-mpls-source-label@tools.ietf.org<mailto:draft-chen-mpls-sou=
rce-label@tools.ietf.org>" <draft-chen-mpls-source-label@tools.ietf.org<mai=
lto:draft-chen-mpls-source-label@tools.ietf.org>>; "mpls@ietf.org<mailto:mp=
ls@ietf.org>" <mpls@ietf.org<mailto:mpls@ietf.org>>
Sent: Monday, March 24, 2014 11:12:28 PM
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label

Hi Shahram,

Everybody knows there is SLM, but SPs need passive LM and DM in some scenar=
ios(please refer to : http://tools.ietf.org/html/draft-deng-ippm-wireless-0=
1 and RFC6374). Both active and passive PM have their application scenarios=
.

Again, to correct a mistake here, same as EL, there are only two labels nee=
ded.


Best regards,
Mach

> -----Original Message-----
> From: Shahram Davari [mailto:davari@broadcom.com<mailto:davari@broadcom.c=
om>]
> Sent: Tuesday, March 25, 2014 11:24 AM
> To: Yimin Shen
> Cc: Mach Chen; draft-chen-mpls-source-label@tools.ietf.org<mailto:draft-c=
hen-mpls-source-label@tools.ietf.org>; mpls@ietf.org<mailto:mpls@ietf.org>
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
>
> Hi
>
> So far I haven't seen any valid use car that would only be possible by ad=
ding this 3
> labels. For VPLS LM you could always use Synthetic loss measurement. Just
> saying Synthetic LM is not as accurate as direct LM is not a good justifi=
cation for
> adding 3 labels.
>
> Regards,
> Shahram
>
>
> > On Mar 21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net<mailto:ys=
hen@juniper.net>> wrote:
> >
> > Hi Mach,
> >
> > For an intermediate node, SL would definitely NOT be at the top of _inc=
oming_
> label stack. You would have to install complex forwarding state in data p=
lane to
> look for SL and process the packet differently based on the
> existence/non-existence of SL. It would get even more complicated if you =
need
> to put the SL back to the packets, in case other nodes downstream may als=
o be
> expecting it. So I'd like to see a valid use case for this increased comp=
lexity and
> overhead.
> >
> > Regarding the egress node use case, note that it is different than Entr=
opy labels,
> where an EL is actually used by intermediate nodes and only popped by egr=
ess
> node. So, if your goal is simply to inform an egress node about the ident=
ity of a
> source node, the source node could just push one label to identify itself=
. This
> label could be configured or communicated between the egress node and the
> source node in any fashion. However in this draft, the source node would =
have to
> push 3 extra labels (for SL).
> >
> > Thanks,
> >
> > /Yimin
> >
> >
> > -----Original Message-----
> > From: Mach Chen [mailto:mach.chen@huawei.com<mailto:mach.chen@huawei.co=
m>]
> > Sent: Thursday, March 20, 2014 11:00 AM
> > To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org<mailto:draf=
t-chen-mpls-source-label@tools.ietf.org>;
> > mpls@ietf.org<mailto:mpls@ietf.org>
> > Subject: RE: Mail regarding draft-chen-mpls-source-label
> >
> > Hi Yimin,
> >
> > Thanks for your questions and comments!
> >
> > Please see my reply inline...
> >
> >> -----Original Message-----
> >> From: Mach Chen
> >> Sent: Thursday, March 20, 2014 10:45 PM
> >> To: Mach Chen
> >> Subject: FW: Mail regarding draft-chen-mpls-source-label
> >>
> >>
> >>
> >> From: mpls [mailto:mpls-bounces@ietf.org<mailto:mpls-bounces@ietf.org>=
] On Behalf Of Yimin Shen
> >> Sent: Thursday, March 20, 2014 12:03 AM
> >> To: draft-chen-mpls-source-label@tools.ietf.org<mailto:draft-chen-mpls=
-source-label@tools.ietf.org>; mpls@ietf.org<mailto:mpls@ietf.org>
> >> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
> >>
> >> Hi authors,
> >>
> >> Can you please clarify if SL is expected to be used only by egress
> >> node, or by intermediate node as well ?
> >
> > The SL can be used by the egress and intermediate node, but for interme=
diate
> node, since the SL may not be on the top of the label stack, if it wants =
to use it, it
> needs to search the label stack to find the SL, just as to find an EL.
> >
> >>
> >> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use
> >> case for intermediate node, but I think congestion should in general
> >> be resolved by control plane to reroute traffic based on a global
> >> view of network resources, rather than by data plane based on a SL.
> >> In your case, would the intermediate node move the traffic to an LSP
> >> that is different than the LSP intended by the ingress node ? I don't =
think it is
> the right thing to do.
> >>
> >> Regarding the use case of section 3.3 "Source Filtering". If somebody
> >> is doing DoS attack, why would he put an SL in the packets ?
> >
> > Regarding to these two use cases, as discussed with Curtis, there need =
more
> considerations, we will remove these two section in the next revision.
> >
> > Thanks,
> > Mach
> >
> >>
> >> Thanks,
> >>
> >> /Yimin
> >
> >
> >
> > _______________________________________________
> > mpls mailing list
> > mpls@ietf.org<mailto:mpls@ietf.org>
> > https://www.ietf.org/mailman/listinfo/mpls

_______________________________________________
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<body lang=3D"ZH-CN" link=3D"blue" vlink=3D"purple" style=3D"tab-interval:2=
1.0pt">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">Hi Shahram,<o:p></o:p></span></fo=
nt></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></font></=
p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">IP/MPLS is commonly used in the
 mobile backhaul, and many of the networks use pure LDP based tunnel. The s=
ervice is point-to-point (e.g., from CSG to RSG),<span style=3D"mso-spaceru=
n:yes">&nbsp;
</span>but the LDP based tunnel is actually MP2P model. And several custome=
rs require to support passive performance in their mobile backhaul network.=
<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></font></=
p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">Regarding the number of labels,
 I agree if only the Extended special purpose label can be assigned, but if=
 the normal special purpose label is assigned, then only two extra labels.<=
o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></font></=
p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">Best regards,<o:p></o:p></span></=
font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">Mach<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></font></=
p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></font></=
p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><font size=3D"2" face=3D"Tahoma"><span lang=3D"EN=
-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-se=
rif&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;;font-weight:b=
old">From:</span></font></b><font size=3D"2" face=3D"Tahoma"><span lang=3D"=
EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-=
serif&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;">
 S. Davari [mailto:davarish@yahoo.com] <br>
<b><span style=3D"font-weight:bold">Sent:</span></b> Tuesday, March 25, 201=
4 2:51 PM<br>
<b><span style=3D"font-weight:bold">To:</span></b> Mach Chen; Shahram Davar=
i; Yimin Shen<br>
<b><span style=3D"font-weight:bold">Cc:</span></b> draft-chen-mpls-source-l=
abel@tools.ietf.org; mpls@ietf.org<br>
<b><span style=3D"font-weight:bold">Subject:</span></b> Re: [mpls] Mail reg=
arding draft-chen-mpls-source-label<o:p></o:p></span></font></p>
</div>
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<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span lang=
=3D"EN-US" style=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12=
.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black">Hi Ma=
ch,<br>
<br>
The draft you refer to, refers to wireless backhaul, which as far as I know=
,&nbsp; does not use multi-point service, and you could use normal P2P LM/D=
M. Regarding the number of labels, note that there are not many reserved la=
bels left and as per following IETF draft
 pretty much no more reserved label can be assigned without the use of Exte=
nded Label
<span class=3D"SpellE">Indiactor</span>, which means you need 3 labels: XL-=
SLI-SL<br>
<br>
<a href=3D"http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-label=
s-06">http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06<=
/a><br>
<br>
Thx<br>
Shahram<o:p></o:p></span></font></p>
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<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12=
.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black"><o:p>=
&nbsp;</o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12=
.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black"><o:p>=
&nbsp;</o:p></span></font></p>
</div>
<div>
<div>
<div>
<div class=3D"MsoNormal" align=3D"center" style=3D"text-align:center;backgr=
ound:white">
<font size=3D"3" color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-=
US" style=3D"font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman=
&quot;;color:black">
<hr size=3D"1" width=3D"100%" align=3D"center">
</span></font></div>
<p class=3D"MsoNormal" style=3D"mso-outline-level:1;background:white"><b><f=
ont size=3D"2" color=3D"black" face=3D"Arial"><span lang=3D"EN-US" style=3D=
"font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;mso-=
fareast-font-family:&quot;Times New Roman&quot;;color:black;font-weight:bol=
d">From:</span></font></b><font size=3D"2" color=3D"black" face=3D"Arial"><=
span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Arial&quot;=
,&quot;sans-serif&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;=
;color:black">
 Mach Chen &lt;<a href=3D"mailto:mach.chen@huawei.com">mach.chen@huawei.com=
</a>&gt;<br>
<b><span style=3D"font-weight:bold">To:</span></b> Shahram Davari &lt;<a hr=
ef=3D"mailto:davari@broadcom.com">davari@broadcom.com</a>&gt;; Yimin Shen &=
lt;<a href=3D"mailto:yshen@juniper.net">yshen@juniper.net</a>&gt;
<br>
<b><span style=3D"font-weight:bold">Cc:</span></b> &quot;<a href=3D"mailto:=
draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@t=
ools.ietf.org</a>&quot; &lt;<a href=3D"mailto:draft-chen-mpls-source-label@=
tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>&gt;;
 &quot;<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>&quot; &lt;<a href=
=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>&gt;
<br>
<b><span style=3D"font-weight:bold">Sent:</span></b> Monday, March 24, 2014=
 11:12:28 PM<br>
<b><span style=3D"font-weight:bold">Subject:</span></b> Re: [mpls] Mail reg=
arding draft-chen-mpls-source-label</span></font><font color=3D"black"><spa=
n lang=3D"EN-US" style=3D"mso-fareast-font-family:&quot;Times New Roman&quo=
t;;color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12=
.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black"><br>
Hi Shahram,<br>
<br>
Everybody knows there is SLM, but SPs need passive LM and DM in some scenar=
ios(please refer to :
<a href=3D"http://tools.ietf.org/html/draft-deng-ippm-wireless-01" target=
=3D"_blank">
http://tools.ietf.org/html/draft-deng-ippm-wireless-01 </a>and RFC6374). Bo=
th active and passive PM have their application scenarios.
<br>
<br>
Again, to correct a mistake here, same as EL, there are only two labels nee=
ded. <br>
<br>
<br>
Best regards,<br>
Mach<o:p></o:p></span></font></p>
<div id=3D"yqtfd46112">
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12=
.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black"><br>
&gt; -----Original Message-----<br>
&gt; From: Shahram Davari [mailto:<a href=3D"mailto:davari@broadcom.com">da=
vari@broadcom.com</a>]<br>
&gt; Sent: Tuesday, March 25, 2014 11:24 AM<br>
&gt; To: Yimin Shen<br>
&gt; Cc: Mach Chen; <a href=3D"mailto:draft-chen-mpls-source-label@tools.ie=
tf.org">draft-chen-mpls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label<br>
&gt; <br>
&gt; Hi<br>
&gt; <br>
&gt; So far I haven't seen any valid use car that would only be possible by=
 adding this 3<br>
&gt; labels. For VPLS LM you could always use Synthetic loss measurement. J=
ust<br>
&gt; saying Synthetic LM is not as accurate as direct LM is not a good just=
ification for<br>
&gt; adding 3 labels.<br>
&gt; <br>
&gt; Regards,<br>
&gt; Shahram<br>
&gt; <br>
&gt; <br>
&gt; &gt; On Mar 21, 2014, at 11:39 AM, &quot;Yimin Shen&quot; &lt;<a href=
=3D"mailto:yshen@juniper.net">yshen@juniper.net</a>&gt; wrote:<br>
&gt; &gt;<br>
&gt; &gt; Hi Mach,<br>
&gt; &gt;<br>
&gt; &gt; For an intermediate node, SL would definitely NOT be at the top o=
f _incoming_<br>
&gt; label stack. You would have to install complex forwarding state in dat=
a plane to<br>
&gt; look for SL and process the packet differently based on the<br>
&gt; existence/non-existence of SL. It would get even more complicated if y=
ou need<br>
&gt; to put the SL back to the packets, in case other nodes downstream may =
also be<br>
&gt; expecting it. So I'd like to see a valid use case for this increased c=
omplexity and<br>
&gt; overhead.<br>
&gt; &gt;<br>
&gt; &gt; Regarding the egress node use case, note that it is different tha=
n Entropy labels,<br>
&gt; where an EL is actually used by intermediate nodes and only popped by =
egress<br>
&gt; node. So, if your goal is simply to inform an egress node about the id=
entity of a<br>
&gt; source node, the source node could just push one label to identify its=
elf. This<br>
&gt; label could be configured or communicated between the egress node and =
the<br>
&gt; source node in any fashion. However in this draft, the source node wou=
ld have to<br>
&gt; push 3 extra labels (for SL).<br>
&gt; &gt;<br>
&gt; &gt; Thanks,<br>
&gt; &gt;<br>
&gt; &gt; /Yimin<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; -----Original Message-----<br>
&gt; &gt; From: Mach Chen [mailto:<a href=3D"mailto:mach.chen@huawei.com">m=
ach.chen@huawei.com</a>]<br>
&gt; &gt; Sent: Thursday, March 20, 2014 11:00 AM<br>
&gt; &gt; To: Yimin Shen; <a href=3D"mailto:draft-chen-mpls-source-label@to=
ols.ietf.org">
draft-chen-mpls-source-label@tools.ietf.org</a>;<br>
&gt; &gt; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt; Subject: RE: Mail regarding draft-chen-mpls-source-label<br>
&gt; &gt;<br>
&gt; &gt; Hi Yimin,<br>
&gt; &gt;<br>
&gt; &gt; Thanks for your questions and comments!<br>
&gt; &gt;<br>
&gt; &gt; Please see my reply inline...<br>
&gt; &gt;<br>
&gt; &gt;&gt; -----Original Message-----<br>
&gt; &gt;&gt; From: Mach Chen<br>
&gt; &gt;&gt; Sent: Thursday, March 20, 2014 10:45 PM<br>
&gt; &gt;&gt; To: Mach Chen<br>
&gt; &gt;&gt; Subject: FW: Mail regarding draft-chen-mpls-source-label<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; From: mpls [mailto:<a href=3D"mailto:mpls-bounces@ietf.org">m=
pls-bounces@ietf.org</a>] On Behalf Of Yimin Shen<br>
&gt; &gt;&gt; Sent: Thursday, March 20, 2014 12:03 AM<br>
&gt; &gt;&gt; To: <a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf=
.org">draft-chen-mpls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt;&gt; Subject: [mpls] Mail regarding draft-chen-mpls-source-label<b=
r>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Hi authors,<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Can you please clarify if SL is expected to be used only by e=
gress<br>
&gt; &gt;&gt; node, or by intermediate node as well ?<br>
&gt; &gt;<br>
&gt; &gt; The SL can be used by the egress and intermediate node, but for i=
ntermediate<br>
&gt; node, since the SL may not be on the top of the label stack, if it wan=
ts to use it, it<br>
&gt; needs to search the label stack to find the SL, just as to find an EL.=
<br>
&gt; &gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Section 3.2 &quot;Traffic Matrix Measurement and Steering&quo=
t; describes a use<br>
&gt; &gt;&gt; case for intermediate node, but I think congestion should in =
general<br>
&gt; &gt;&gt; be resolved by control plane to reroute traffic based on a gl=
obal<br>
&gt; &gt;&gt; view of network resources, rather than by data plane based on=
 a SL.<br>
&gt; &gt;&gt; In your case, would the intermediate node move the traffic to=
 an LSP<br>
&gt; &gt;&gt; that is different than the LSP intended by the ingress node ?=
 I don't think it is<br>
&gt; the right thing to do.<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Regarding the use case of section 3.3 &quot;Source Filtering&=
quot;. If somebody<br>
&gt; &gt;&gt; is doing DoS attack, why would he put an SL in the packets ?<=
br>
&gt; &gt;<br>
&gt; &gt; Regarding to these two use cases, as discussed with Curtis, there=
 need more<br>
&gt; considerations, we will remove these two section in the next revision.=
<br>
&gt; &gt;<br>
&gt; &gt; Thanks,<br>
&gt; &gt; Mach<br>
&gt; &gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Thanks,<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; /Yimin<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; _______________________________________________<br>
&gt; &gt; mpls mailing list<br>
&gt; &gt; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt; <a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"=
_blank">https://www.ietf.org/mailman/listinfo/mpls</a><br>
<br>
_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/mpls</a><o:p></o:p></span></font></p>
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From: Mach Chen <mach.chen@huawei.com>
To: "S. Davari" <davarish@yahoo.com>, Gregory Mirsky <gregory.mirsky@ericsson.com>
Thread-Topic: [mpls] Mail regarding draft-chen-mpls-source-label
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From: "S. Davari" <davarish@yahoo.com>
Date: Tue, 25 Mar 2014 03:08:11 -0700
To: Mach Chen <mach.chen@huawei.com>
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Cc: "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-label@tools.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Mach

Since the service is P2P, each bas station has its own PW. Therefore there i=
s no need to identify each BS using yet another label.=20

Regards,
Shahram


> On Mar 25, 2014, at 1:32 AM, Mach Chen <mach.chen@huawei.com> wrote:
>=20
> Hi Shahram,
> =20
> IP/MPLS is commonly used in the mobile backhaul, and many of the networks u=
se pure LDP based tunnel. The service is point-to-point (e.g., from CSG to R=
SG),  but the LDP based tunnel is actually MP2P model. And several customers=
 require to support passive performance in their mobile backhaul network.
> =20
> Regarding the number of labels, I agree if only the Extended special purpo=
se label can be assigned, but if the normal special purpose label is assigne=
d, then only two extra labels.
> =20
> Best regards,
> Mach
> =20
> =20
> From: S. Davari [mailto:davarish@yahoo.com]=20
> Sent: Tuesday, March 25, 2014 2:51 PM
> To: Mach Chen; Shahram Davari; Yimin Shen
> Cc: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> =20
> Hi Mach,
>=20
> The draft you refer to, refers to wireless backhaul, which as far as I kno=
w,  does not use multi-point service, and you could use normal P2P LM/DM. Re=
garding the number of labels, note that there are not many reserved labels l=
eft and as per following IETF draft pretty much no more reserved label can b=
e assigned without the use of Extended Label Indiactor, which means you need=
 3 labels: XL-SLI-SL
>=20
> http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06
>=20
> Thx
> Shahram
> =20
> =20
> From: Mach Chen <mach.chen@huawei.com>
> To: Shahram Davari <davari@broadcom.com>; Yimin Shen <yshen@juniper.net>=20=

> Cc: "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-=
label@tools.ietf.org>; "mpls@ietf.org" <mpls@ietf.org>=20
> Sent: Monday, March 24, 2014 11:12:28 PM
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
>=20
> Hi Shahram,
>=20
> Everybody knows there is SLM, but SPs need passive LM and DM in some scena=
rios(please refer to : http://tools.ietf.org/html/draft-deng-ippm-wireless-0=
1 and RFC6374). Both active and passive PM have their application scenarios.=
=20
>=20
> Again, to correct a mistake here, same as EL, there are only two labels ne=
eded.=20
>=20
>=20
> Best regards,
> Mach
>=20
> > -----Original Message-----
> > From: Shahram Davari [mailto:davari@broadcom.com]
> > Sent: Tuesday, March 25, 2014 11:24 AM
> > To: Yimin Shen
> > Cc: Mach Chen; draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.or=
g
> > Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> >=20
> > Hi
> >=20
> > So far I haven't seen any valid use car that would only be possible by a=
dding this 3
> > labels. For VPLS LM you could always use Synthetic loss measurement. Jus=
t
> > saying Synthetic LM is not as accurate as direct LM is not a good justif=
ication for
> > adding 3 labels.
> >=20
> > Regards,
> > Shahram
> >=20
> >=20
> > > On Mar 21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net> wrote:
> > >
> > > Hi Mach,
> > >
> > > For an intermediate node, SL would definitely NOT be at the top of _in=
coming_
> > label stack. You would have to install complex forwarding state in data p=
lane to
> > look for SL and process the packet differently based on the
> > existence/non-existence of SL. It would get even more complicated if you=
 need
> > to put the SL back to the packets, in case other nodes downstream may al=
so be
> > expecting it. So I'd like to see a valid use case for this increased com=
plexity and
> > overhead.
> > >
> > > Regarding the egress node use case, note that it is different than Ent=
ropy labels,
> > where an EL is actually used by intermediate nodes and only popped by eg=
ress
> > node. So, if your goal is simply to inform an egress node about the iden=
tity of a
> > source node, the source node could just push one label to identify itsel=
f. This
> > label could be configured or communicated between the egress node and th=
e
> > source node in any fashion. However in this draft, the source node would=
 have to
> > push 3 extra labels (for SL).
> > >
> > > Thanks,
> > >
> > > /Yimin
> > >
> > >
> > > -----Original Message-----
> > > From: Mach Chen [mailto:mach.chen@huawei.com]
> > > Sent: Thursday, March 20, 2014 11:00 AM
> > > To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org;
> > > mpls@ietf.org
> > > Subject: RE: Mail regarding draft-chen-mpls-source-label
> > >
> > > Hi Yimin,
> > >
> > > Thanks for your questions and comments!
> > >
> > > Please see my reply inline...
> > >
> > >> -----Original Message-----
> > >> From: Mach Chen
> > >> Sent: Thursday, March 20, 2014 10:45 PM
> > >> To: Mach Chen
> > >> Subject: FW: Mail regarding draft-chen-mpls-source-label
> > >>
> > >>
> > >>
> > >> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> > >> Sent: Thursday, March 20, 2014 12:03 AM
> > >> To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> > >> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
> > >>
> > >> Hi authors,
> > >>
> > >> Can you please clarify if SL is expected to be used only by egress
> > >> node, or by intermediate node as well ?
> > >
> > > The SL can be used by the egress and intermediate node, but for interm=
ediate
> > node, since the SL may not be on the top of the label stack, if it wants=
 to use it, it
> > needs to search the label stack to find the SL, just as to find an EL.
> > >
> > >>
> > >> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use=

> > >> case for intermediate node, but I think congestion should in general
> > >> be resolved by control plane to reroute traffic based on a global
> > >> view of network resources, rather than by data plane based on a SL.
> > >> In your case, would the intermediate node move the traffic to an LSP
> > >> that is different than the LSP intended by the ingress node ? I don't=
 think it is
> > the right thing to do.
> > >>
> > >> Regarding the use case of section 3.3 "Source Filtering". If somebody=

> > >> is doing DoS attack, why would he put an SL in the packets ?
> > >
> > > Regarding to these two use cases, as discussed with Curtis, there need=
 more
> > considerations, we will remove these two section in the next revision.
> > >
> > > Thanks,
> > > Mach
> > >
> > >>
> > >> Thanks,
> > >>
> > >> /Yimin
> > >
> > >
> > >
> > > _______________________________________________
> > > mpls mailing list
> > > mpls@ietf.org
> > > https://www.ietf.org/mailman/listinfo/mpls
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
> =20

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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Hi Mach</div><div><br></div><div>Since the service is P2P, each bas station has its own PW. Therefore there is no need to identify each BS using yet another label.&nbsp;</div><div><br>Regards,<div>Shahram</div><div><br></div></div><div><br>On Mar 25, 2014, at 1:32 AM, Mach Chen &lt;<a href="mailto:mach.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<br><br></div><blockquote type="cite"><div>

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<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F497D">Hi Shahram,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F497D">IP/MPLS is commonly used in the
 mobile backhaul, and many of the networks use pure LDP based tunnel. The service is point-to-point (e.g., from CSG to RSG),<span style="mso-spacerun:yes">&nbsp;
</span>but the LDP based tunnel is actually MP2P model. And several customers require to support passive performance in their mobile backhaul network.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F497D">Regarding the number of labels,
 I agree if only the Extended special purpose label can be assigned, but if the normal special purpose label is assigned, then only two extra labels.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F497D">Best regards,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F497D">Mach<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span lang="EN-US" style="font-size:10.5pt;mso-bidi-font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></font></p>
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<div>
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<p class="MsoNormal"><b><font size="2" face="Tahoma"><span lang="EN-US" style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;;font-weight:bold">From:</span></font></b><font size="2" face="Tahoma"><span lang="EN-US" style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;">
 S. Davari [<a href="mailto:davarish@yahoo.com">mailto:davarish@yahoo.com</a>] <br>
<b><span style="font-weight:bold">Sent:</span></b> Tuesday, March 25, 2014 2:51 PM<br>
<b><span style="font-weight:bold">To:</span></b> Mach Chen; Shahram Davari; Yimin Shen<br>
<b><span style="font-weight:bold">Cc:</span></b> <a href="mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>; <a href="mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b><span style="font-weight:bold">Subject:</span></b> Re: [mpls] Mail regarding draft-chen-mpls-source-label<o:p></o:p></span></font></p>
</div>
</div>
<p class="MsoNormal"><font size="3" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
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<div>
<p class="MsoNormal" style="background:white"><font size="3" color="black" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black">Hi Mach,<br>
<br>
The draft you refer to, refers to wireless backhaul, which as far as I know,&nbsp; does not use multi-point service, and you could use normal P2P LM/DM. Regarding the number of labels, note that there are not many reserved labels left and as per following IETF draft
 pretty much no more reserved label can be assigned without the use of Extended Label
<span class="SpellE">Indiactor</span>, which means you need 3 labels: XL-SLI-SL<br>
<br>
<a href="http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06">http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06</a><br>
<br>
Thx<br>
Shahram<o:p></o:p></span></font></p>
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<p class="MsoNormal" style="background:white"><font size="3" color="black" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black"><o:p>&nbsp;</o:p></span></font></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><font size="3" color="black" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black"><o:p>&nbsp;</o:p></span></font></p>
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<div>
<div>
<div class="MsoNormal" align="center" style="text-align:center;background:white">
<font size="3" color="black" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black">
<hr size="1" width="100%" align="center">
</span></font></div>
<p class="MsoNormal" style="mso-outline-level:1;background:white"><b><font size="2" color="black" face="Arial"><span lang="EN-US" style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black;font-weight:bold">From:</span></font></b><font size="2" color="black" face="Arial"><span lang="EN-US" style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black">
 Mach Chen &lt;<a href="mailto:mach.chen@huawei.com">mach.chen@huawei.com</a>&gt;<br>
<b><span style="font-weight:bold">To:</span></b> Shahram Davari &lt;<a href="mailto:davari@broadcom.com">davari@broadcom.com</a>&gt;; Yimin Shen &lt;<a href="mailto:yshen@juniper.net">yshen@juniper.net</a>&gt;
<br>
<b><span style="font-weight:bold">Cc:</span></b> "<a href="mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>" &lt;<a href="mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>&gt;;
 "<a href="mailto:mpls@ietf.org">mpls@ietf.org</a>" &lt;<a href="mailto:mpls@ietf.org">mpls@ietf.org</a>&gt;
<br>
<b><span style="font-weight:bold">Sent:</span></b> Monday, March 24, 2014 11:12:28 PM<br>
<b><span style="font-weight:bold">Subject:</span></b> Re: [mpls] Mail regarding draft-chen-mpls-source-label</span></font><font color="black"><span lang="EN-US" style="mso-fareast-font-family:&quot;Times New Roman&quot;;color:black"><o:p></o:p></span></font></p>
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<div>
<p class="MsoNormal" style="background:white"><font size="3" color="black" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black"><br>
Hi Shahram,<br>
<br>
Everybody knows there is SLM, but SPs need passive LM and DM in some scenarios(please refer to :
<a href="http://tools.ietf.org/html/draft-deng-ippm-wireless-01" target="_blank">
http://tools.ietf.org/html/draft-deng-ippm-wireless-01 </a>and RFC6374). Both active and passive PM have their application scenarios.
<br>
<br>
Again, to correct a mistake here, same as EL, there are only two labels needed. <br>
<br>
<br>
Best regards,<br>
Mach<o:p></o:p></span></font></p>
<div id="yqtfd46112">
<p class="MsoNormal" style="background:white"><font size="3" color="black" face="Times New Roman"><span lang="EN-US" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black"><br>
&gt; -----Original Message-----<br>
&gt; From: Shahram Davari [mailto:<a href="mailto:davari@broadcom.com">davari@broadcom.com</a>]<br>
&gt; Sent: Tuesday, March 25, 2014 11:24 AM<br>
&gt; To: Yimin Shen<br>
&gt; Cc: Mach Chen; <a href="mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>;
<a href="mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label<br>
&gt; <br>
&gt; Hi<br>
&gt; <br>
&gt; So far I haven't seen any valid use car that would only be possible by adding this 3<br>
&gt; labels. For VPLS LM you could always use Synthetic loss measurement. Just<br>
&gt; saying Synthetic LM is not as accurate as direct LM is not a good justification for<br>
&gt; adding 3 labels.<br>
&gt; <br>
&gt; Regards,<br>
&gt; Shahram<br>
&gt; <br>
&gt; <br>
&gt; &gt; On Mar 21, 2014, at 11:39 AM, "Yimin Shen" &lt;<a href="mailto:yshen@juniper.net">yshen@juniper.net</a>&gt; wrote:<br>
&gt; &gt;<br>
&gt; &gt; Hi Mach,<br>
&gt; &gt;<br>
&gt; &gt; For an intermediate node, SL would definitely NOT be at the top of _incoming_<br>
&gt; label stack. You would have to install complex forwarding state in data plane to<br>
&gt; look for SL and process the packet differently based on the<br>
&gt; existence/non-existence of SL. It would get even more complicated if you need<br>
&gt; to put the SL back to the packets, in case other nodes downstream may also be<br>
&gt; expecting it. So I'd like to see a valid use case for this increased complexity and<br>
&gt; overhead.<br>
&gt; &gt;<br>
&gt; &gt; Regarding the egress node use case, note that it is different than Entropy labels,<br>
&gt; where an EL is actually used by intermediate nodes and only popped by egress<br>
&gt; node. So, if your goal is simply to inform an egress node about the identity of a<br>
&gt; source node, the source node could just push one label to identify itself. This<br>
&gt; label could be configured or communicated between the egress node and the<br>
&gt; source node in any fashion. However in this draft, the source node would have to<br>
&gt; push 3 extra labels (for SL).<br>
&gt; &gt;<br>
&gt; &gt; Thanks,<br>
&gt; &gt;<br>
&gt; &gt; /Yimin<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; -----Original Message-----<br>
&gt; &gt; From: Mach Chen [mailto:<a href="mailto:mach.chen@huawei.com">mach.chen@huawei.com</a>]<br>
&gt; &gt; Sent: Thursday, March 20, 2014 11:00 AM<br>
&gt; &gt; To: Yimin Shen; <a href="mailto:draft-chen-mpls-source-label@tools.ietf.org">
draft-chen-mpls-source-label@tools.ietf.org</a>;<br>
&gt; &gt; <a href="mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt; Subject: RE: Mail regarding draft-chen-mpls-source-label<br>
&gt; &gt;<br>
&gt; &gt; Hi Yimin,<br>
&gt; &gt;<br>
&gt; &gt; Thanks for your questions and comments!<br>
&gt; &gt;<br>
&gt; &gt; Please see my reply inline...<br>
&gt; &gt;<br>
&gt; &gt;&gt; -----Original Message-----<br>
&gt; &gt;&gt; From: Mach Chen<br>
&gt; &gt;&gt; Sent: Thursday, March 20, 2014 10:45 PM<br>
&gt; &gt;&gt; To: Mach Chen<br>
&gt; &gt;&gt; Subject: FW: Mail regarding draft-chen-mpls-source-label<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; From: mpls [mailto:<a href="mailto:mpls-bounces@ietf.org">mpls-bounces@ietf.org</a>] On Behalf Of Yimin Shen<br>
&gt; &gt;&gt; Sent: Thursday, March 20, 2014 12:03 AM<br>
&gt; &gt;&gt; To: <a href="mailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>;
<a href="mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt;&gt; Subject: [mpls] Mail regarding draft-chen-mpls-source-label<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Hi authors,<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Can you please clarify if SL is expected to be used only by egress<br>
&gt; &gt;&gt; node, or by intermediate node as well ?<br>
&gt; &gt;<br>
&gt; &gt; The SL can be used by the egress and intermediate node, but for intermediate<br>
&gt; node, since the SL may not be on the top of the label stack, if it wants to use it, it<br>
&gt; needs to search the label stack to find the SL, just as to find an EL.<br>
&gt; &gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Section 3.2 "Traffic Matrix Measurement and Steering" describes a use<br>
&gt; &gt;&gt; case for intermediate node, but I think congestion should in general<br>
&gt; &gt;&gt; be resolved by control plane to reroute traffic based on a global<br>
&gt; &gt;&gt; view of network resources, rather than by data plane based on a SL.<br>
&gt; &gt;&gt; In your case, would the intermediate node move the traffic to an LSP<br>
&gt; &gt;&gt; that is different than the LSP intended by the ingress node ? I don't think it is<br>
&gt; the right thing to do.<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Regarding the use case of section 3.3 "Source Filtering". If somebody<br>
&gt; &gt;&gt; is doing DoS attack, why would he put an SL in the packets ?<br>
&gt; &gt;<br>
&gt; &gt; Regarding to these two use cases, as discussed with Curtis, there need more<br>
&gt; considerations, we will remove these two section in the next revision.<br>
&gt; &gt;<br>
&gt; &gt; Thanks,<br>
&gt; &gt; Mach<br>
&gt; &gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Thanks,<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; /Yimin<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; _______________________________________________<br>
&gt; &gt; mpls mailing list<br>
&gt; &gt; <a href="mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt; <a href="https://www.ietf.org/mailman/listinfo/mpls" target="_blank">https://www.ietf.org/mailman/listinfo/mpls</a><br>
<br>
_______________________________________________<br>
mpls mailing list<br>
<a href="mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href="https://www.ietf.org/mailman/listinfo/mpls" target="_blank">https://www.ietf.org/mailman/listinfo/mpls</a><o:p></o:p></span></font></p>
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From: "S. Davari" <davarish@yahoo.com>
Date: Tue, 25 Mar 2014 07:55:36 -0700
To: Mach Chen <mach.chen@huawei.com>
Archived-At: http://mailarchive.ietf.org/arch/msg/mpls/YCwd7SkQRiik5_DL42KUD9Vslps
Cc: "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-label@tools.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Mach

What I was arguing is that China mobile uses p2p LSP and PW and does not use=
 any MP2P or MP2MP LSP. So China mobile can use RFC6374 or G.8131 to measure=
 loss and delay over the Backhaul.

Secondly if very very small packet loss is also important to be detected the=
n I suggest using the CW sequence number to detect such loss without adding c=
omplexity to the network.

Basically what you are doing is like adding 3 more wheels to a car so that y=
ou can recognize it easier when it is moving. While The right method is to r=
ead the license plate.

Regards,
Shahram


> On Mar 25, 2014, at 3:06 AM, Mach Chen <mach.chen@huawei.com> wrote:
>=20
> Hi Shahram,
> =20
> Mobile backhaul is the main target scenario where some of the services (e.=
g., some wireless signals between nodeB and RNC) are very sensitive to packe=
t loss. Sometimes, although there are some packets loss, it may not be detec=
ted by SLM, this leads the Nodeb to detach from the RNC. This happened sever=
al times in the production network. Even worse, since SLM depends on inject e=
xtra packets to evaluate the performance, the SLM itself may sometime lead t=
o or increase packet loss and result in negative impacts.
> =20
> Best regards,
> Mach
> =20
> =20
> From: S. Davari [mailto:davarish@yahoo.com]=20
> Sent: Tuesday, March 25, 2014 2:50 PM
> To: Mach Chen; Gregory Mirsky
> Cc: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> =20
> Hi,
>=20
> You did not prove yet why active (Synthetic) measurement is not enough in M=
PLS networks. I would in fact  argue that by adding XL/SLI/SL to the data pa=
ckets during the LM measurement the network can use a different ECMP path th=
an when you are not using the XL/SLI/SL and therefore your measurement is on=
ly valid during the measurement interval and does not represent what the use=
r experiences after the measurement is over.
>=20
> Thx
> Shahram
> =20
> From: Mach Chen <mach.chen@huawei.com>
> To: S. Davari <davarish@yahoo.com>; Gregory Mirsky <gregory.mirsky@ericsso=
n.com>=20
> Cc: "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-=
label@tools.ietf.org>; "mpls@ietf.org" <mpls@ietf.org>=20
> Sent: Monday, March 24, 2014 11:27:53 PM
> Subject: RE: [mpls] Mail regarding draft-chen-mpls-source-label
>=20
>=20
> Hi Shahram,
> =20
> Are you claiming that the active performance measurement is sufficient and=
 passive performance measurement is not needed?
> =20
> Best regards,
> Mach
> =20
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of S. Davari
> Sent: Tuesday, March 25, 2014 1:50 PM
> To: Gregory Mirsky
> Cc: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> =20
> Hi Greg
> =20
> In profile simply means green packets and by generate green SLM packets yo=
u could achieve the same results.
> =20
> MEF explains how SLM is used for non p2p services.=20
> =20
> And For Delay measurement you can just run DM. The source info can be in T=
he payload of DM as TLV.
>=20
> Regards,
> Shahram
> =20
>=20
> On Mar 24, 2014, at 10:19 PM, Gregory Mirsky <gregory.mirsky@ericsson.com>=
 wrote:
> Hi Shahram,
> many thanks for most expedient response.
> Firstly, regarding in-service SLM. AFAIK, the difference between LM and SL=
M, at least in Y.1731, is that the former collects counters of =E2=80=9Cin-p=
rofile=E2=80=9D frames while the latter only counts the test packets themsel=
ves. Given that, I can not agree that using SLM as in-service active measure=
ment method is viable unless operator willing to sufficiently alter data tra=
ffic behavior.
> Secondly, would be great if you can expand on =E2=80=9Cit works for Mp2p a=
nd mp2mp=E2=80=9D. I=E2=80=99m very interested to learn from you how to do L=
M on mp2mp LSP with current MPLS OAM tools, i.e. without SLI/SL. And while w=
e are at  this topic, would you kindly explain how SLM helps with DM over th=
e same construct, i.e. mp2mp LSP.
> =20
>                 Regards,
>                                 Greg
> =20
> From: S. Davari [mailto:davarish@yahoo.com]=20
> Sent: Monday, March 24, 2014 10:01 PM
> To: Gregory Mirsky
> Cc: Shahram Davari; Yimin Shen; draft-chen-mpls-source-label@tools.ietf.or=
g; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> =20
> Hi Greg
> =20
> Thanks for your reply. SLM can be used for in service measurement. And it w=
orks for Mp2p and mp2mp. So you don't really need the 3 extra labels.
>=20
> Regards,.
> Shahram
> =20
>=20
> On Mar 24, 2014, at 9:52 PM, Gregory Mirsky <gregory.mirsky@ericsson.com> w=
rote:
> Hi Shahram,
> many thanks for your interest and comments. I'd point that SLM is clearly o=
ut-of-service OAM tool. SLI/SL may be used to perform in-service active LM a=
s well as passive LM. Then there is DM and SLI/SL again can be used to perfo=
rm in-service both active and passive DM.
> As for use case that " that would only be possible by adding" these three l=
abels I can think of the following:
> =C2=B7         OAM on mp2mp/mp2p LSP
> =20
>         Regards,
>                 Greg
> =20
> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Shahram Davari
> Sent: Monday, March 24, 2014 8:24 PM
> To: Yimin Shen
> Cc: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
> =20
> Hi
> =20
> So far I haven't seen any valid use car that would only be possible by add=
ing this 3 labels. For VPLS LM you could always use Synthetic loss measureme=
nt. Just saying Synthetic LM is not as accurate as direct LM is not a good j=
ustification for adding 3 labels.
> =20
> Regards,
> Shahram
> =20
> =20
> > On Mar 21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net> wrote:
> >
> > Hi Mach,
> >
> > For an intermediate node, SL would definitely NOT be at the top of _inco=
ming_ label stack. You would have to install complex forwarding state in dat=
a plane to look for SL and process the packet differently based on the exist=
ence/non-existence of SL. It would get even more complicated if you need to p=
ut the SL back to the packets, in case other nodes downstream may also be ex=
pecting it. So I'd like to see a valid use case for this increased complexit=
y and overhead.
> >
> > Regarding the egress node use case, note that it is different than Entro=
py labels, where an EL is actually used by intermediate nodes and only poppe=
d by egress node. So, if your goal is simply to inform an egress node about t=
he identity of a source node, the source node could just push one label to i=
dentify itself. This label could be configured or communicated between the e=
gress node and the source node in any fashion. However in this draft, the so=
urce node would have to push 3 extra labels (for SL).
> >
> > Thanks,
> >
> > /Yimin
> >
> >
> > -----Original Message-----
> > From: Mach Chen [mailto:mach.chen@huawei.com]
> > Sent: Thursday, March 20, 2014 11:00 AM
> > To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org;
> > mpls@ietf.org
> > Subject: RE: Mail regarding draft-chen-mpls-source-label
> >
> > Hi Yimin,
> >
> > Thanks for your questions and comments!
> >
> > Please see my reply inline...
> >
> >> -----Original Message-----
> >> From: Mach Chen
> >> Sent: Thursday, March 20, 2014 10:45 PM
> >> To: Mach Chen
> >> Subject: FW: Mail regarding draft-chen-mpls-source-label
> >>
> >>
> >>
> >> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> >> Sent: Thursday, March 20, 2014 12:03 AM
> >> To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> >> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
> >>
> >> Hi authors,
> >>
> >> Can you please clarify if SL is expected to be used only by egress=20
> >> node, or by intermediate node as well ?
> >
> > The SL can be used by the egress and intermediate node, but for intermed=
iate node, since the SL may not be on the top of the label stack, if it want=
s to use it, it needs to search the label stack to find the SL, just as to f=
ind an EL.
> >
> >>
> >> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use
> >> case for intermediate node, but I think congestion should in general
> >> be resolved by control plane to reroute traffic based on a global
> >> view of network resources, rather than by data plane based on a SL.
> >> In your case, would the intermediate node move the traffic to an LSP
> >> that is different than the LSP intended by the ingress node ? I don't t=
hink it is the right thing to do.
> >>
> >> Regarding the use case of section 3.3 "Source Filtering". If somebody
> >> is doing DoS attack, why would he put an SL in the packets ?
> >
> > Regarding to these two use cases, as discussed with Curtis, there need m=
ore considerations, we will remove these two section in the next revision.
> >
> > Thanks,
> > Mach
> >
> >>
> >> Thanks,
> >>
> >> /Yimin
> >
> >
> >
> > _______________________________________________
> > mpls mailing list
> > mpls@ietf.org
> > https://www.ietf.org/mailman/listinfo/mpls
> =20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
> =20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
> =20

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>Hi Mach</div><div><br></div><div>What I=
 was arguing is that China mobile uses p2p LSP and PW and does not use any M=
P2P or MP2MP LSP. So China mobile can use RFC6374 or G.8131 to measure loss a=
nd delay over the Backhaul.</div><div><br></div><div>Secondly if very very s=
mall packet loss is also important to be detected then I suggest using the C=
W sequence number to detect such loss without adding complexity to the netwo=
rk.</div><div><br></div><div>Basically what you are doing is like adding 3 m=
ore wheels to a car so that you can recognize it easier when it is moving. W=
hile The right method is to read the license plate.</div><div><br>Regards,<d=
iv>Shahram</div><div><br></div></div><div><br>On Mar 25, 2014, at 3:06 AM, M=
ach Chen &lt;<a href=3D"mailto:mach.chen@huawei.com">mach.chen@huawei.com</a=
>&gt; wrote:<br><br></div><blockquote type=3D"cite"><div>

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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri"><=
span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;font=
-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:=E5=
=AE=8B=E4=BD=93;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F49=
7D">Hi Shahram,<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri"><=
span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;font=
-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:=E5=
=AE=8B=E4=BD=93;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F49=
7D"><o:p>&nbsp;</o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri"><=
span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;font=
-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:=E5=
=AE=8B=E4=BD=93;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F49=
7D">Mobile
 backhaul is the main target scenario where some of the services (e.g., some=
 wireless signals between
<span class=3D"SpellE">nodeB</span> and RNC) are very sensitive to packet lo=
ss. Sometimes, although there are some packets loss, it may not be detected b=
y SLM, this leads the
<span class=3D"SpellE">Nodeb</span> to detach from the RNC. This happened se=
veral times in the production network. Even worse, since SLM depends on inje=
ct extra packets to evaluate the performance, the SLM itself may sometime le=
ad to or increase packet loss and
 result in negative impacts. <o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri"><=
span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;font=
-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:=E5=
=AE=8B=E4=BD=93;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F49=
7D"><o:p>&nbsp;</o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri"><=
span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;font=
-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:=E5=
=AE=8B=E4=BD=93;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F49=
7D">Best
 regards,<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri"><=
span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;font=
-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:=E5=
=AE=8B=E4=BD=93;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F49=
7D">Mach<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri"><=
span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;font=
-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:=E5=
=AE=8B=E4=BD=93;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F49=
7D"><o:p>&nbsp;</o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri"><=
span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;font=
-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:=E5=
=AE=8B=E4=BD=93;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#1F49=
7D"><o:p>&nbsp;</o:p></span></font></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4=
.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0=
cm 0cm">
<p class=3D"MsoNormal"><b><font size=3D"2" face=3D"Tahoma"><span lang=3D"EN-=
US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-seri=
f&quot;;font-weight:bold">From:</span></font></b><font size=3D"2" face=3D"Ta=
homa"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahom=
a&quot;,&quot;sans-serif&quot;">
 S. Davari [<a href=3D"mailto:davarish@yahoo.com">mailto:davarish@yahoo.com<=
/a>] <br>
<b><span style=3D"font-weight:bold">Sent:</span></b> Tuesday, March 25, 2014=
 2:50 PM<br>
<b><span style=3D"font-weight:bold">To:</span></b> Mach Chen; Gregory Mirsky=
<br>
<b><span style=3D"font-weight:bold">Cc:</span></b> <a href=3D"mailto:draft-c=
hen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.iet=
f.org</a>; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b><span style=3D"font-weight:bold">Subject:</span></b> Re: [mpls] Mail rega=
rding draft-chen-mpls-source-label<o:p></o:p></span></font></p>
</div>
</div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"=E5=AE=8B=E4=BD=93"><span la=
ng=3D"EN-US" style=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">Hi=
,<br>
<br>
You did not prove yet why active (Synthetic) measurement is not enough in MP=
LS networks. I would in fact&nbsp; argue that by adding XL/SLI/SL to the dat=
a packets during the LM measurement the network can use a different ECMP pat=
h than when you are not using the
 XL/SLI/SL and therefore your measurement is only valid during the measureme=
nt interval and does not represent what the user experiences after the measu=
rement is over.<br>
<br>
Thx<br>
Shahram<o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><o=
:p>&nbsp;</o:p></span></font></p>
</div>
<div>
<div>
<div>
<div class=3D"MsoNormal" align=3D"center" style=3D"text-align:center;backgro=
und:white">
<font size=3D"3" color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-U=
S" style=3D"font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;s=
erif&quot;;color:black">
<hr size=3D"1" width=3D"100%" align=3D"center">
</span></font></div>
<p class=3D"MsoNormal" style=3D"mso-outline-level:1;background:white"><b><fo=
nt size=3D"2" color=3D"black" face=3D"Arial"><span lang=3D"EN-US" style=3D"f=
ont-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:b=
lack;font-weight:bold">From:</span></font></b><font size=3D"2" color=3D"blac=
k" face=3D"Arial"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family=
:&quot;Arial&quot;,&quot;sans-serif&quot;;color:black">
 Mach Chen &lt;<a href=3D"mailto:mach.chen@huawei.com">mach.chen@huawei.com<=
/a>&gt;<br>
<b><span style=3D"font-weight:bold">To:</span></b> S. Davari &lt;<a href=3D"=
mailto:davarish@yahoo.com">davarish@yahoo.com</a>&gt;; Gregory Mirsky &lt;<a=
 href=3D"mailto:gregory.mirsky@ericsson.com">gregory.mirsky@ericsson.com</a>=
&gt;
<br>
<b><span style=3D"font-weight:bold">Cc:</span></b> "<a href=3D"mailto:draft-=
chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@tools.ie=
tf.org</a>" &lt;<a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.or=
g">draft-chen-mpls-source-label@tools.ietf.org</a>&gt;;
 "<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>" &lt;<a href=3D"mailto:=
mpls@ietf.org">mpls@ietf.org</a>&gt;
<br>
<b><span style=3D"font-weight:bold">Sent:</span></b> Monday, March 24, 2014 1=
1:27:53 PM<br>
<b><span style=3D"font-weight:bold">Subject:</span></b> RE: [mpls] Mail rega=
rding draft-chen-mpls-source-label</span></font><font color=3D"black" face=3D=
"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New R=
oman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><b=
r style=3D"mso-special-character:line-break">
<!--[if !supportLineBreakNewLine]--><br style=3D"mso-special-character:line-=
break">
<!--[endif]--><o:p></o:p></span></font></p>
<div id=3D"yiv1653145841">
<div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:10.5pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahra=
m,</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D=
"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;c=
olor:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:10.5pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</s=
pan></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-U=
S" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:=
black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:10.5pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Are you c=
laiming that the active performance measurement is sufficient and
 passive performance measurement is not needed? </span></font><font color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&=
quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span>=
</font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:10.5pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</s=
pan></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-U=
S" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:=
black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:10.5pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best rega=
rds,</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D=
"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;c=
olor:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:10.5pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach</spa=
n></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US"=
 style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:bl=
ack"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:10.5pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</s=
pan></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-U=
S" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:=
black"><o:p></o:p></span></font></p>
</div>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4=
.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0=
cm 0cm">
<div>
<p class=3D"MsoNormal" style=3D"mso-outline-level:1;background:white"><b><fo=
nt size=3D"2" color=3D"black" face=3D"Tahoma"><span lang=3D"EN-US" style=3D"=
font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color=
:black;font-weight:bold">From:</span></font></b><font size=3D"2" color=3D"bl=
ack" face=3D"Tahoma"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-fam=
ily:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:black">
 mpls [<a href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org=
</a>] <b>
<span style=3D"font-weight:bold">On Behalf Of </span></b>S. Davari<br>
<b><span style=3D"font-weight:bold">Sent:</span></b> Tuesday, March 25, 2014=
 1:50 PM<br>
<b><span style=3D"font-weight:bold">To:</span></b> Gregory Mirsky<br>
<b><span style=3D"font-weight:bold">Cc:</span></b> <a href=3D"mailto:draft-c=
hen-mpls-source-label@tools.ietf.org">
draft-chen-mpls-source-label@tools.ietf.org</a>; <a href=3D"mailto:mpls@ietf=
.org">mpls@ietf.org</a><br>
<b><span style=3D"font-weight:bold">Subject:</span></b> Re: [mpls] Mail rega=
rding draft-chen-mpls-source-label</span></font><font color=3D"black" face=3D=
"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New R=
oman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">&n=
bsp;<o:p></o:p></span></font></p>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">Hi=
 Greg<o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">&n=
bsp;<o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">In=
 profile simply means green packets and by generate green SLM packets
 you could achieve the same results.<o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">&n=
bsp;<o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">ME=
F explains how SLM is used for non p2p services.&nbsp;<o:p></o:p></span></fo=
nt></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">&n=
bsp;<o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">An=
d For Delay measurement you can just run DM. The source info can
 be in The payload of DM as TLV.<o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><b=
r>
Regards,<o:p></o:p></span></font></p>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">Sh=
ahram<o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">&n=
bsp;<o:p></o:p></span></font></p>
</div>
</div>
</div>
<div>
<div style=3D"margin-bottom:12.0pt">
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><b=
r>
On Mar 24, 2014, at 10:19 PM, Gregory Mirsky &lt;<a href=3D"mailto:gregory.m=
irsky@ericsson.com" target=3D"_blank">gregory.mirsky@ericsson.com</a>&gt; wr=
ote:<o:p></o:p></span></font></p>
</div>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahra=
m,</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D=
"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;c=
olor:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">many than=
ks for most expedient response.</span></font><font color=3D"black" face=3D"T=
imes New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Ro=
man&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Firstly, r=
egarding in-service SLM. AFAIK, the difference between LM and
 SLM, at least in Y.1731, is that the former collects counters of =E2=80=9Ci=
n-profile=E2=80=9D frames while the latter only counts the test packets them=
selves. Given that, I can not agree that using SLM as in-service active meas=
urement method is viable unless operator willing
 to sufficiently alter data traffic behavior.</span></font><font color=3D"bl=
ack" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&quo=
t;Times New Roman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></f=
ont></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Secondly,=
 would be great if you can expand on =E2=80=9Cit works for Mp2p and mp2mp=E2=
=80=9D.
 I=E2=80=99m very interested to learn from you how to do LM on mp2mp LSP wit=
h current MPLS OAM tools, i.e. without SLI/SL. And while we are at&nbsp; thi=
s topic, would you kindly explain how SLM helps with DM over the same constr=
uct, i.e. mp2mp LSP.</span></font><font color=3D"black" face=3D"Times New Ro=
man"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&=
quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</s=
pan></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-U=
S" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:=
black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp; Regards,</span></font><font color=3D"black" face=3D"Times New Roman"><=
span lang=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;s=
erif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp; Greg</span></font><font color=3D"black" face=3D"Ti=
mes New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Rom=
an&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
#1f497d" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</s=
pan></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-U=
S" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:=
black"><o:p></o:p></span></font></p>
</div>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0=
cm 0cm">
<div>
<p class=3D"MsoNormal" style=3D"mso-outline-level:1;background:white"><b><fo=
nt size=3D"2" color=3D"black" face=3D"Tahoma"><span lang=3D"EN-US" style=3D"=
font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color=
:black;font-weight:bold">From:</span></font></b><font size=3D"2" color=3D"bl=
ack" face=3D"Tahoma"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-fam=
ily:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:black">
 S. Davari [<a href=3D"mailto:davarish@yahoo.com" target=3D"_blank">mailto:d=
avarish@yahoo.com</a>]
<br>
<b><span style=3D"font-weight:bold">Sent:</span></b> Monday, March 24, 2014 1=
0:01 PM<br>
<b><span style=3D"font-weight:bold">To:</span></b> Gregory Mirsky<br>
<b><span style=3D"font-weight:bold">Cc:</span></b> Shahram Davari; Yimin She=
n; <a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org" target=3D"=
_blank">
draft-chen-mpls-source-label@tools.ietf.org</a>; <a href=3D"mailto:mpls@ietf=
.org" target=3D"_blank">
mpls@ietf.org</a><br>
<b><span style=3D"font-weight:bold">Subject:</span></b> Re: [mpls] Mail rega=
rding draft-chen-mpls-source-label</span></font><font color=3D"black" face=3D=
"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New R=
oman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">&n=
bsp;<o:p></o:p></span></font></p>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">Hi=
 Greg<o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">&n=
bsp;<o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">Th=
anks for your reply. SLM can be used for in service measurement.
 And it works for Mp2p and mp2mp. So you don't really need the 3 extra label=
s.<o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><b=
r>
Regards,.<o:p></o:p></span></font></p>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">Sh=
ahram<o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black">&n=
bsp;<o:p></o:p></span></font></p>
</div>
</div>
</div>
<div>
<div style=3D"margin-bottom:12.0pt">
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0=
pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><b=
r>
On Mar 24, 2014, at 9:52 PM, Gregory Mirsky &lt;<a href=3D"mailto:gregory.mi=
rsky@ericsson.com" target=3D"_blank">gregory.mirsky@ericsson.com</a>&gt; wro=
te:<o:p></o:p></span></font></p>
</div>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">Hi Shahram,</=
span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-=
US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color=
:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">many thanks f=
or your interest and comments. I'd point that SLM is clearly out-of-service
 OAM tool. SLI/SL may be used to perform in-service active LM as well as pas=
sive LM. Then there is DM and SLI/SL again can be used to perform in-service=
 both active and passive DM.</span></font><font color=3D"black" face=3D"Time=
s New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Roman=
&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">As for use ca=
se that " that would only be possible by adding" these three labels
 I can think of the following:</span></font><font color=3D"black" face=3D"Ti=
mes New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Rom=
an&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Symbol"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-f=
amily:Symbol;mso-bidi-font-family:&quot;Times New Roman&quot;;color:black">=C2=
=B7</span></font><font size=3D"1" color=3D"black" face=3D"Times New Roman"><=
span lang=3D"EN-US" style=3D"font-size:7.0pt;font-family:&quot;Times New Rom=
an&quot;,&quot;serif&quot;;color:black">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;
</span></font><font size=3D"2" color=3D"black" face=3D"Calibri"><span lang=3D=
"EN-US" style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans=
-serif&quot;;color:black">OAM on mp2mp/mp2p LSP</span></font><font color=3D"=
black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&q=
uot;Times New Roman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span><=
/font></p>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&nbsp;</span>=
</font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" s=
tyle=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:blac=
k"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Regards,</span></font><font color=3D"black" fa=
ce=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times=
 New Roman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p=
>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; Greg</span></font><font color=3D"black" face=3D"Times New Roman"><span lan=
g=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quo=
t;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&nbsp;</span>=
</font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" s=
tyle=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:blac=
k"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-outline-level:1;background:white"><font s=
ize=3D"2" color=3D"black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"fon=
t-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:b=
lack">-----Original Message-----<br>
From: mpls [<a href=3D"mailto:mpls-bounces@ietf.org" target=3D"_blank">mailt=
o:mpls-bounces@ietf.org</a>] On Behalf Of Shahram Davari<br>
Sent: Monday, March 24, 2014 8:24 PM<br>
To: Yimin Shen<br>
Cc: <a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org" target=3D=
"_blank">
draft-chen-mpls-source-label@tools.ietf.org</a>; <a href=3D"mailto:mpls@ietf=
.org" target=3D"_blank">
mpls@ietf.org</a><br>
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label</span></font=
><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D=
"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><o:p=
></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&nbsp;</span>=
</font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" s=
tyle=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:blac=
k"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">Hi</span></fo=
nt><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=
=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><=
o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&nbsp;</span>=
</font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" s=
tyle=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:blac=
k"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">So far I have=
n't seen any valid use car that would only be possible by adding
 this 3 labels. For VPLS LM you could always use Synthetic loss measurement.=
 Just saying Synthetic LM is not as accurate as direct LM is not a good just=
ification for adding 3 labels.
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&nbsp;</span>=
</font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" s=
tyle=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:blac=
k"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">Regards,</spa=
n></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US"=
 style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:bl=
ack"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">Shahram</span=
></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" s=
tyle=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:blac=
k"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&nbsp;</span>=
</font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" s=
tyle=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:blac=
k"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&nbsp;</span>=
</font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" s=
tyle=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:blac=
k"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; On Mar 2=
1, 2014, at 11:39 AM, "Yimin Shen" &lt;<a href=3D"mailto:yshen@juniper.net" t=
arget=3D"_blank">yshen@juniper.net</a>&gt;
 wrote:</span></font><font color=3D"black" face=3D"Times New Roman"><span la=
ng=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&qu=
ot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; Hi Mach,=
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; For an i=
ntermediate node, SL would definitely NOT be at the top of _incoming_
 label stack. You would have to install complex forwarding state in data pla=
ne to look for SL and process the packet differently based on the existence/=
non-existence of SL. It would get even more complicated if you need to put t=
he SL back to the packets, in
 case other nodes downstream may also be expecting it. So I'd like to see a v=
alid use case for this increased complexity and overhead.</span></font><font=
 color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font=
-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><o:p></o:=
p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; Regardin=
g the egress node use case, note that it is different than Entropy
 labels, where an EL is actually used by intermediate nodes and only popped b=
y egress node. So, if your goal is simply to inform an egress node about the=
 identity of a source node, the source node could just push one label to ide=
ntify itself. This label could
 be configured or communicated between the egress node and the source node i=
n any fashion. However in this draft, the source node would have to push 3 e=
xtra labels (for SL).</span></font><font color=3D"black" face=3D"Times New R=
oman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,=
&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; Thanks,<=
/span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN=
-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;colo=
r:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; /Yimin</=
span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-=
US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color=
:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; -----Ori=
ginal Message-----</span></font><font color=3D"black" face=3D"Times New Roma=
n"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&qu=
ot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-outline-level:1;background:white"><font s=
ize=3D"2" color=3D"black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"fon=
t-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:b=
lack">&gt; From: Mach Chen [<a href=3D"mailto:mach.chen@huawei.com" target=3D=
"_blank">mailto:mach.chen@huawei.com</a>]</span></font><font color=3D"black"=
 face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Ti=
mes New Roman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font>=
</p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; Sent: Th=
ursday, March 20, 2014 11:00 AM</span></font><font color=3D"black" face=3D"T=
imes New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Ro=
man&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; To: Yimi=
n Shen;
<a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org" target=3D"_bl=
ank">draft-chen-mpls-source-label@tools.ietf.org</a>;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
<a href=3D"mailto:mpls@ietf.org" target=3D"_blank">mpls@ietf.org</a></span><=
/font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" st=
yle=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black=
"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; Subject:=
 RE: Mail regarding draft-chen-mpls-source-label</span></font><font color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&=
quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span>=
</font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; Hi Yimin=
,</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"=
EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;co=
lor:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; Thanks f=
or your questions and comments!</span></font><font color=3D"black" face=3D"T=
imes New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Ro=
man&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; Please s=
ee my reply inline...</span></font><font color=3D"black" face=3D"Times New R=
oman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,=
&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; ----=
-Original Message-----</span></font><font color=3D"black" face=3D"Times New R=
oman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,=
&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-outline-level:1;background:white"><font s=
ize=3D"2" color=3D"black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"fon=
t-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:b=
lack">&gt;&gt; From: Mach Chen</span></font><font color=3D"black" face=3D"Ti=
mes New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Rom=
an&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; Sent=
: Thursday, March 20, 2014 10:45 PM</span></font><font color=3D"black" face=3D=
"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New R=
oman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; To: M=
ach Chen</span></font><font color=3D"black" face=3D"Times New Roman"><span l=
ang=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&q=
uot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; Subj=
ect: FW: Mail regarding draft-chen-mpls-source-label</span></font><font colo=
r=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-fami=
ly:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></s=
pan></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-outline-level:1;background:white"><font s=
ize=3D"2" color=3D"black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"fon=
t-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:b=
lack">&gt;&gt; From: mpls [<a href=3D"mailto:mpls-bounces@ietf.org" target=3D=
"_blank">mailto:mpls-bounces@ietf.org</a>]
 On Behalf Of Yimin Shen</span></font><font color=3D"black" face=3D"Times Ne=
w Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quo=
t;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; Sent=
: Thursday, March 20, 2014 12:03 AM</span></font><font color=3D"black" face=3D=
"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New R=
oman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; To:
<a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org" target=3D"_bl=
ank">draft-chen-mpls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org" target=3D"_blank">mpls@ietf.org</a></span><=
/font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" st=
yle=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black=
"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; Subj=
ect: [mpls] Mail regarding draft-chen-mpls-source-label</span></font><font c=
olor=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-f=
amily:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><o:p></o:p>=
</span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; Hi a=
uthors,</span></font><font color=3D"black" face=3D"Times New Roman"><span la=
ng=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&qu=
ot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; Can y=
ou please clarify if SL is expected to be used only by egress
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; node=
, or by intermediate node as well ?</span></font><font color=3D"black" face=3D=
"Times New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New R=
oman&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; The SL c=
an be used by the egress and intermediate node, but for intermediate
 node, since the SL may not be on the top of the label stack, if it wants to=
 use it, it needs to search the label stack to find the SL, just as to find a=
n EL.</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=
=3D"EN-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot=
;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; Sect=
ion 3.2 "Traffic Matrix Measurement and Steering" describes a use
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; case=
 for intermediate node, but I think congestion should in general
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; be r=
esolved by control plane to reroute traffic based on a global
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; view=
 of network resources, rather than by data plane based on a SL.
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; In y=
our case, would the intermediate node move the traffic to an LSP
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; that=
 is different than the LSP intended by the ingress node ? I don't think
 it is the right thing to do.</span></font><font color=3D"black" face=3D"Tim=
es New Roman"><span lang=3D"EN-US" style=3D"font-family:&quot;Times New Roma=
n&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; Rega=
rding the use case of section 3.3 "Source Filtering". If somebody
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt; is d=
oing DoS attack, why would he put an SL in the packets ?</span></font><font c=
olor=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-f=
amily:&quot;Times New Roman&quot;,&quot;serif&quot;;color:black"><o:p></o:p>=
</span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; Regardin=
g to these two use cases, as discussed with Curtis, there need more
 considerations, we will remove these two section in the next revision.</spa=
n></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US"=
 style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:bl=
ack"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; Thanks,<=
/span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN=
-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;colo=
r:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt; Mach</sp=
an></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US=
" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:b=
lack"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">&gt;&gt;
</span></font><font color=3D"black" face=3D"Times New Roman"><span lang=3D"E=
N-US" style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;col=
or:black"><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"2" color=3D"=
black" face=3D"Calibri"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
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From: Mach Chen <mach.chen@huawei.com>
To: "S. Davari" <davarish@yahoo.com>
Thread-Topic: [mpls] Mail regarding draft-chen-mpls-source-label
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From: Mach Chen <mach.chen@huawei.com>
To: "S. Davari" <davarish@yahoo.com>
Thread-Topic: [mpls] Mail regarding draft-chen-mpls-source-label
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From: Shahram Davari <davari@broadcom.com>
To: Mach Chen <mach.chen@huawei.com>
Thread-Topic: [mpls] Mail regarding draft-chen-mpls-source-label
Thread-Index: AQHPR9mrX1647YJ+kECPDKr8EuTNYJrxyAoAgAAKwYCAABxZgIAAGsKAgAEQkwD//5hEzw==
Date: Wed, 26 Mar 2014 03:12:28 +0000
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Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Mach

In L3VPN you could modify the VPN label distribution and distribute A uniqu=
e VPN label to each remote VRF.

This would solve your problem by just software upgrade without need for new=
 hardware.

Regards,
Shahram


On Mar 25, 2014, at 7:33 PM, "Mach Chen" <mach.chen@huawei.com<mailto:mach.=
chen@huawei.com>> wrote:

Hi Shahram

The problem is that not all the networks deploy PW to transport the service=
, there are quite number of networks use L3VPN and other techniques.

Best regards,
Mach

From: S. Davari [mailto:davarish@yahoo.com]
Sent: Tuesday, March 25, 2014 6:08 PM
To: Mach Chen
Cc: Shahram Davari; Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org=
<mailto:draft-chen-mpls-source-label@tools.ietf.org>; mpls@ietf.org<mailto:=
mpls@ietf.org>
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label

Hi Mach

Since the service is P2P, each bas station has its own PW. Therefore there =
is no need to identify each BS using yet another label.

Regards,
Shahram


On Mar 25, 2014, at 1:32 AM, Mach Chen <mach.chen@huawei.com<mailto:mach.ch=
en@huawei.com>> wrote:
Hi Shahram,

IP/MPLS is commonly used in the mobile backhaul, and many of the networks u=
se pure LDP based tunnel. The service is point-to-point (e.g., from CSG to =
RSG),  but the LDP based tunnel is actually MP2P model. And several custome=
rs require to support passive performance in their mobile backhaul network.

Regarding the number of labels, I agree if only the Extended special purpos=
e label can be assigned, but if the normal special purpose label is assigne=
d, then only two extra labels.

Best regards,
Mach


From: S. Davari [mailto:davarish@yahoo.com]
Sent: Tuesday, March 25, 2014 2:51 PM
To: Mach Chen; Shahram Davari; Yimin Shen
Cc: draft-chen-mpls-source-label@tools.ietf.org<mailto:draft-chen-mpls-sour=
ce-label@tools.ietf.org>; mpls@ietf.org<mailto:mpls@ietf.org>
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label

Hi Mach,

The draft you refer to, refers to wireless backhaul, which as far as I know=
,  does not use multi-point service, and you could use normal P2P LM/DM. Re=
garding the number of labels, note that there are not many reserved labels =
left and as per following IETF draft pretty much no more reserved label can=
 be assigned without the use of Extended Label Indiactor, which means you n=
eed 3 labels: XL-SLI-SL

http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06

Thx
Shahram


________________________________
From: Mach Chen <mach.chen@huawei.com<mailto:mach.chen@huawei.com>>
To: Shahram Davari <davari@broadcom.com<mailto:davari@broadcom.com>>; Yimin=
 Shen <yshen@juniper.net<mailto:yshen@juniper.net>>
Cc: "draft-chen-mpls-source-label@tools.ietf.org<mailto:draft-chen-mpls-sou=
rce-label@tools.ietf.org>" <draft-chen-mpls-source-label@tools.ietf.org<mai=
lto:draft-chen-mpls-source-label@tools.ietf.org>>; "mpls@ietf.org<mailto:mp=
ls@ietf.org>" <mpls@ietf.org<mailto:mpls@ietf.org>>
Sent: Monday, March 24, 2014 11:12:28 PM
Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label

Hi Shahram,

Everybody knows there is SLM, but SPs need passive LM and DM in some scenar=
ios(please refer to : http://tools.ietf.org/html/draft-deng-ippm-wireless-0=
1 and RFC6374). Both active and passive PM have their application scenarios=
.

Again, to correct a mistake here, same as EL, there are only two labels nee=
ded.


Best regards,
Mach

> -----Original Message-----
> From: Shahram Davari [mailto:davari@broadcom.com<mailto:davari@broadcom.c=
om>]
> Sent: Tuesday, March 25, 2014 11:24 AM
> To: Yimin Shen
> Cc: Mach Chen; draft-chen-mpls-source-label@tools.ietf.org<mailto:draft-c=
hen-mpls-source-label@tools.ietf.org>; mpls@ietf.org<mailto:mpls@ietf.org>
> Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
>
> Hi
>
> So far I haven't seen any valid use car that would only be possible by ad=
ding this 3
> labels. For VPLS LM you could always use Synthetic loss measurement. Just
> saying Synthetic LM is not as accurate as direct LM is not a good justifi=
cation for
> adding 3 labels.
>
> Regards,
> Shahram
>
>
> > On Mar 21, 2014, at 11:39 AM, "Yimin Shen" <yshen@juniper.net<mailto:ys=
hen@juniper.net>> wrote:
> >
> > Hi Mach,
> >
> > For an intermediate node, SL would definitely NOT be at the top of _inc=
oming_
> label stack. You would have to install complex forwarding state in data p=
lane to
> look for SL and process the packet differently based on the
> existence/non-existence of SL. It would get even more complicated if you =
need
> to put the SL back to the packets, in case other nodes downstream may als=
o be
> expecting it. So I'd like to see a valid use case for this increased comp=
lexity and
> overhead.
> >
> > Regarding the egress node use case, note that it is different than Entr=
opy labels,
> where an EL is actually used by intermediate nodes and only popped by egr=
ess
> node. So, if your goal is simply to inform an egress node about the ident=
ity of a
> source node, the source node could just push one label to identify itself=
. This
> label could be configured or communicated between the egress node and the
> source node in any fashion. However in this draft, the source node would =
have to
> push 3 extra labels (for SL).
> >
> > Thanks,
> >
> > /Yimin
> >
> >
> > -----Original Message-----
> > From: Mach Chen [mailto:mach.chen@huawei.com<mailto:mach.chen@huawei.co=
m>]
> > Sent: Thursday, March 20, 2014 11:00 AM
> > To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org<mailto:draf=
t-chen-mpls-source-label@tools.ietf.org>;
> > mpls@ietf.org<mailto:mpls@ietf.org>
> > Subject: RE: Mail regarding draft-chen-mpls-source-label
> >
> > Hi Yimin,
> >
> > Thanks for your questions and comments!
> >
> > Please see my reply inline...
> >
> >> -----Original Message-----
> >> From: Mach Chen
> >> Sent: Thursday, March 20, 2014 10:45 PM
> >> To: Mach Chen
> >> Subject: FW: Mail regarding draft-chen-mpls-source-label
> >>
> >>
> >>
> >> From: mpls [mailto:mpls-bounces@ietf.org<mailto:mpls-bounces@ietf.org>=
] On Behalf Of Yimin Shen
> >> Sent: Thursday, March 20, 2014 12:03 AM
> >> To: draft-chen-mpls-source-label@tools.ietf.org<mailto:draft-chen-mpls=
-source-label@tools.ietf.org>; mpls@ietf.org<mailto:mpls@ietf.org>
> >> Subject: [mpls] Mail regarding draft-chen-mpls-source-label
> >>
> >> Hi authors,
> >>
> >> Can you please clarify if SL is expected to be used only by egress
> >> node, or by intermediate node as well ?
> >
> > The SL can be used by the egress and intermediate node, but for interme=
diate
> node, since the SL may not be on the top of the label stack, if it wants =
to use it, it
> needs to search the label stack to find the SL, just as to find an EL.
> >
> >>
> >> Section 3.2 "Traffic Matrix Measurement and Steering" describes a use
> >> case for intermediate node, but I think congestion should in general
> >> be resolved by control plane to reroute traffic based on a global
> >> view of network resources, rather than by data plane based on a SL.
> >> In your case, would the intermediate node move the traffic to an LSP
> >> that is different than the LSP intended by the ingress node ? I don't =
think it is
> the right thing to do.
> >>
> >> Regarding the use case of section 3.3 "Source Filtering". If somebody
> >> is doing DoS attack, why would he put an SL in the packets ?
> >
> > Regarding to these two use cases, as discussed with Curtis, there need =
more
> considerations, we will remove these two section in the next revision.
> >
> > Thanks,
> > Mach
> >
> >>
> >> Thanks,
> >>
> >> /Yimin
> >
> >
> >
> > _______________________________________________
> > mpls mailing list
> > mpls@ietf.org<mailto:mpls@ietf.org>
> > https://www.ietf.org/mailman/listinfo/mpls

_______________________________________________
mpls mailing list
mpls@ietf.org<mailto:mpls@ietf.org>
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<div>Hi Mach</div>
<div><br>
</div>
<div>In L3VPN you could modify the VPN label distribution and distribute A =
unique VPN label to each remote VRF.</div>
<div><br>
</div>
<div>This would solve your problem by just software upgrade without need fo=
r new hardware.&nbsp;<br>
<br>
Regards,
<div>Shahram</div>
<div><br>
</div>
</div>
<div><br>
On Mar 25, 2014, at 7:33 PM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<br>
<br>
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<o:shapelayout v:ext=3D"edit">
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-famil=
y:&#23435;&#20307;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#=
1F497D">Hi Shahram<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-famil=
y:&#23435;&#20307;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#=
1F497D"><o:p>&nbsp;</o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-famil=
y:&#23435;&#20307;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#=
1F497D">The problem
 is that not all the networks deploy PW to transport the service, there are=
 quite number of networks use L3VPN and other techniques.
<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-famil=
y:&#23435;&#20307;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#=
1F497D"><o:p>&nbsp;</o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-famil=
y:&#23435;&#20307;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#=
1F497D">Best
 regards,<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-famil=
y:&#23435;&#20307;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#=
1F497D">Mach<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-famil=
y:&#23435;&#20307;;mso-bidi-font-family:&quot;Times New Roman&quot;;color:#=
1F497D"><o:p>&nbsp;</o:p></span></font></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><font size=3D"2" face=3D"Tahoma"><span lang=3D"EN=
-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-se=
rif&quot;;font-weight:bold">From:</span></font></b><font size=3D"2" face=3D=
"Tahoma"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;T=
ahoma&quot;,&quot;sans-serif&quot;">
 S. Davari [<a href=3D"mailto:davarish@yahoo.com">mailto:davarish@yahoo.com=
</a>] <br>
<b><span style=3D"font-weight:bold">Sent:</span></b> Tuesday, March 25, 201=
4 6:08 PM<br>
<b><span style=3D"font-weight:bold">To:</span></b> Mach Chen<br>
<b><span style=3D"font-weight:bold">Cc:</span></b> Shahram Davari; Yimin Sh=
en; <a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org">
draft-chen-mpls-source-label@tools.ietf.org</a>; <a href=3D"mailto:mpls@iet=
f.org">mpls@ietf.org</a><br>
<b><span style=3D"font-weight:bold">Subject:</span></b> Re: [mpls] Mail reg=
arding draft-chen-mpls-source-label<o:p></o:p></span></font></p>
</div>
</div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span lang=
=3D"EN-US" style=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span lang=
=3D"EN-US" style=3D"font-size:12.0pt">Hi Mach<o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span lang=
=3D"EN-US" style=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span lang=
=3D"EN-US" style=3D"font-size:12.0pt">Since the service is P2P, each bas st=
ation has its own PW. Therefore there is no need to identify each BS using =
yet another label.&nbsp;<o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span lang=
=3D"EN-US" style=3D"font-size:12.0pt"><br>
Regards,<o:p></o:p></span></font></p>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span lang=
=3D"EN-US" style=3D"font-size:12.0pt">Shahram<o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span lang=
=3D"EN-US" style=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><font size=3D"3" face=
=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12.0pt"><br>
On Mar 25, 2014, at 1:32 AM, Mach Chen &lt;<a href=3D"mailto:mach.chen@huaw=
ei.com">mach.chen@huawei.com</a>&gt; wrote:<o:p></o:p></span></font></p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">Hi Shahram,</span></font><span la=
ng=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">&nbsp;</span></font><span lang=3D=
"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">IP/MPLS is commonly used in the
 mobile backhaul, and many of the networks use pure LDP based tunnel. The s=
ervice is point-to-point (e.g., from CSG to RSG),<span style=3D"mso-spaceru=
n:yes">&nbsp;
</span>but the LDP based tunnel is actually MP2P model. And several custome=
rs require to support passive performance in their mobile backhaul network.=
</span></font><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">&nbsp;</span></font><span lang=3D=
"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">Regarding the number of labels,
 I agree if only the Extended special purpose label can be assigned, but if=
 the normal special purpose label is assigned, then only two extra labels.<=
/span></font><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">&nbsp;</span></font><span lang=3D=
"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">Best regards,</span></font><span =
lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">Mach</span></font><span lang=3D"E=
N-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">&nbsp;</span></font><span lang=3D=
"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><font size=3D"2" color=3D"#1f497d" face=3D"Calibri">=
<span lang=3D"EN-US" style=3D"font-size:10.5pt;mso-bidi-font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-bidi-font-family:&=
quot;Times New Roman&quot;;color:#1F497D">&nbsp;</span></font><span lang=3D=
"EN-US"><o:p></o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal" style=3D"mso-outline-level:1"><b><font size=3D"2" fa=
ce=3D"Tahoma"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&q=
uot;Tahoma&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:&quot;Times=
 New Roman&quot;;font-weight:bold">From:</span></font></b><font size=3D"2" =
face=3D"Tahoma"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:=
&quot;Tahoma&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:&quot;Tim=
es New Roman&quot;">
 S. Davari [<a href=3D"mailto:davarish@yahoo.com">mailto:davarish@yahoo.com=
</a>] <br>
<b><span style=3D"font-weight:bold">Sent:</span></b> Tuesday, March 25, 201=
4 2:51 PM<br>
<b><span style=3D"font-weight:bold">To:</span></b> Mach Chen; Shahram Davar=
i; Yimin Shen<br>
<b><span style=3D"font-weight:bold">Cc:</span></b> <a href=3D"mailto:draft-=
chen-mpls-source-label@tools.ietf.org">
draft-chen-mpls-source-label@tools.ietf.org</a>; <a href=3D"mailto:mpls@iet=
f.org">mpls@ietf.org</a><br>
<b><span style=3D"font-weight:bold">Subject:</span></b> Re: [mpls] Mail reg=
arding draft-chen-mpls-source-label</span></font><span lang=3D"EN-US"><o:p>=
</o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span lang=
=3D"EN-US" style=3D"font-size:12.0pt">&nbsp;<o:p></o:p></span></font></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12=
.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black">Hi Ma=
ch,<br>
<br>
The draft you refer to, refers to wireless backhaul, which as far as I know=
,&nbsp; does not use multi-point service, and you could use normal P2P LM/D=
M. Regarding the number of labels, note that there are not many reserved la=
bels left and as per following IETF draft
 pretty much no more reserved label can be assigned without the use of Exte=
nded Label Indiactor, which means you need 3 labels: XL-SLI-SL<br>
<br>
<a href=3D"http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-label=
s-06">http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06<=
/a><br>
<br>
Thx<br>
Shahram</span></font><span lang=3D"EN-US"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12=
.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black">&nbsp=
;</span></font><span lang=3D"EN-US"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12=
.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black">&nbsp=
;</span></font><span lang=3D"EN-US"><o:p></o:p></span></p>
</div>
<div>
<div>
<div>
<div class=3D"MsoNormal" align=3D"center" style=3D"text-align:center;backgr=
ound:white">
<font size=3D"3" color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-=
US" style=3D"font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman=
&quot;;color:black">
<hr size=3D"1" width=3D"100%" align=3D"center">
</span></font></div>
<p class=3D"MsoNormal" style=3D"mso-outline-level:1;background:white"><b><f=
ont size=3D"2" color=3D"black" face=3D"Arial"><span lang=3D"EN-US" style=3D=
"font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;mso-=
fareast-font-family:&quot;Times New Roman&quot;;color:black;font-weight:bol=
d">From:</span></font></b><font size=3D"2" color=3D"black" face=3D"Arial"><=
span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Arial&quot;=
,&quot;sans-serif&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;=
;color:black">
 Mach Chen &lt;<a href=3D"mailto:mach.chen@huawei.com">mach.chen@huawei.com=
</a>&gt;<br>
<b><span style=3D"font-weight:bold">To:</span></b> Shahram Davari &lt;<a hr=
ef=3D"mailto:davari@broadcom.com">davari@broadcom.com</a>&gt;; Yimin Shen &=
lt;<a href=3D"mailto:yshen@juniper.net">yshen@juniper.net</a>&gt;
<br>
<b><span style=3D"font-weight:bold">Cc:</span></b> &quot;<a href=3D"mailto:=
draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-label@t=
ools.ietf.org</a>&quot; &lt;<a href=3D"mailto:draft-chen-mpls-source-label@=
tools.ietf.org">draft-chen-mpls-source-label@tools.ietf.org</a>&gt;;
 &quot;<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>&quot; &lt;<a href=
=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>&gt;
<br>
<b><span style=3D"font-weight:bold">Sent:</span></b> Monday, March 24, 2014=
 11:12:28 PM<br>
<b><span style=3D"font-weight:bold">Subject:</span></b> Re: [mpls] Mail reg=
arding draft-chen-mpls-source-label</span></font><span lang=3D"EN-US"><o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12=
.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black"><br>
Hi Shahram,<br>
<br>
Everybody knows there is SLM, but SPs need passive LM and DM in some scenar=
ios(please refer to :
<a href=3D"http://tools.ietf.org/html/draft-deng-ippm-wireless-01" target=
=3D"_blank">
http://tools.ietf.org/html/draft-deng-ippm-wireless-01 </a>and RFC6374). Bo=
th active and passive PM have their application scenarios.
<br>
<br>
Again, to correct a mistake here, same as EL, there are only two labels nee=
ded. <br>
<br>
<br>
Best regards,<br>
Mach</span></font><span lang=3D"EN-US"><o:p></o:p></span></p>
<div id=3D"yqtfd46112">
<p class=3D"MsoNormal" style=3D"background:white"><font size=3D"3" color=3D=
"black" face=3D"Times New Roman"><span lang=3D"EN-US" style=3D"font-size:12=
.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;color:black"><br>
&gt; -----Original Message-----<br>
&gt; From: Shahram Davari [mailto:<a href=3D"mailto:davari@broadcom.com">da=
vari@broadcom.com</a>]<br>
&gt; Sent: Tuesday, March 25, 2014 11:24 AM<br>
&gt; To: Yimin Shen<br>
&gt; Cc: Mach Chen; <a href=3D"mailto:draft-chen-mpls-source-label@tools.ie=
tf.org">draft-chen-mpls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label<br>
&gt; <br>
&gt; Hi<br>
&gt; <br>
&gt; So far I haven't seen any valid use car that would only be possible by=
 adding this 3<br>
&gt; labels. For VPLS LM you could always use Synthetic loss measurement. J=
ust<br>
&gt; saying Synthetic LM is not as accurate as direct LM is not a good just=
ification for<br>
&gt; adding 3 labels.<br>
&gt; <br>
&gt; Regards,<br>
&gt; Shahram<br>
&gt; <br>
&gt; <br>
&gt; &gt; On Mar 21, 2014, at 11:39 AM, &quot;Yimin Shen&quot; &lt;<a href=
=3D"mailto:yshen@juniper.net">yshen@juniper.net</a>&gt; wrote:<br>
&gt; &gt;<br>
&gt; &gt; Hi Mach,<br>
&gt; &gt;<br>
&gt; &gt; For an intermediate node, SL would definitely NOT be at the top o=
f _incoming_<br>
&gt; label stack. You would have to install complex forwarding state in dat=
a plane to<br>
&gt; look for SL and process the packet differently based on the<br>
&gt; existence/non-existence of SL. It would get even more complicated if y=
ou need<br>
&gt; to put the SL back to the packets, in case other nodes downstream may =
also be<br>
&gt; expecting it. So I'd like to see a valid use case for this increased c=
omplexity and<br>
&gt; overhead.<br>
&gt; &gt;<br>
&gt; &gt; Regarding the egress node use case, note that it is different tha=
n Entropy labels,<br>
&gt; where an EL is actually used by intermediate nodes and only popped by =
egress<br>
&gt; node. So, if your goal is simply to inform an egress node about the id=
entity of a<br>
&gt; source node, the source node could just push one label to identify its=
elf. This<br>
&gt; label could be configured or communicated between the egress node and =
the<br>
&gt; source node in any fashion. However in this draft, the source node wou=
ld have to<br>
&gt; push 3 extra labels (for SL).<br>
&gt; &gt;<br>
&gt; &gt; Thanks,<br>
&gt; &gt;<br>
&gt; &gt; /Yimin<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; -----Original Message-----<br>
&gt; &gt; From: Mach Chen [mailto:<a href=3D"mailto:mach.chen@huawei.com">m=
ach.chen@huawei.com</a>]<br>
&gt; &gt; Sent: Thursday, March 20, 2014 11:00 AM<br>
&gt; &gt; To: Yimin Shen; <a href=3D"mailto:draft-chen-mpls-source-label@to=
ols.ietf.org">
draft-chen-mpls-source-label@tools.ietf.org</a>;<br>
&gt; &gt; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt; Subject: RE: Mail regarding draft-chen-mpls-source-label<br>
&gt; &gt;<br>
&gt; &gt; Hi Yimin,<br>
&gt; &gt;<br>
&gt; &gt; Thanks for your questions and comments!<br>
&gt; &gt;<br>
&gt; &gt; Please see my reply inline...<br>
&gt; &gt;<br>
&gt; &gt;&gt; -----Original Message-----<br>
&gt; &gt;&gt; From: Mach Chen<br>
&gt; &gt;&gt; Sent: Thursday, March 20, 2014 10:45 PM<br>
&gt; &gt;&gt; To: Mach Chen<br>
&gt; &gt;&gt; Subject: FW: Mail regarding draft-chen-mpls-source-label<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; From: mpls [mailto:<a href=3D"mailto:mpls-bounces@ietf.org">m=
pls-bounces@ietf.org</a>] On Behalf Of Yimin Shen<br>
&gt; &gt;&gt; Sent: Thursday, March 20, 2014 12:03 AM<br>
&gt; &gt;&gt; To: <a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf=
.org">draft-chen-mpls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt;&gt; Subject: [mpls] Mail regarding draft-chen-mpls-source-label<b=
r>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Hi authors,<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Can you please clarify if SL is expected to be used only by e=
gress<br>
&gt; &gt;&gt; node, or by intermediate node as well ?<br>
&gt; &gt;<br>
&gt; &gt; The SL can be used by the egress and intermediate node, but for i=
ntermediate<br>
&gt; node, since the SL may not be on the top of the label stack, if it wan=
ts to use it, it<br>
&gt; needs to search the label stack to find the SL, just as to find an EL.=
<br>
&gt; &gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Section 3.2 &quot;Traffic Matrix Measurement and Steering&quo=
t; describes a use<br>
&gt; &gt;&gt; case for intermediate node, but I think congestion should in =
general<br>
&gt; &gt;&gt; be resolved by control plane to reroute traffic based on a gl=
obal<br>
&gt; &gt;&gt; view of network resources, rather than by data plane based on=
 a SL.<br>
&gt; &gt;&gt; In your case, would the intermediate node move the traffic to=
 an LSP<br>
&gt; &gt;&gt; that is different than the LSP intended by the ingress node ?=
 I don't think it is<br>
&gt; the right thing to do.<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Regarding the use case of section 3.3 &quot;Source Filtering&=
quot;. If somebody<br>
&gt; &gt;&gt; is doing DoS attack, why would he put an SL in the packets ?<=
br>
&gt; &gt;<br>
&gt; &gt; Regarding to these two use cases, as discussed with Curtis, there=
 need more<br>
&gt; considerations, we will remove these two section in the next revision.=
<br>
&gt; &gt;<br>
&gt; &gt; Thanks,<br>
&gt; &gt; Mach<br>
&gt; &gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Thanks,<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; /Yimin<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; _______________________________________________<br>
&gt; &gt; mpls mailing list<br>
&gt; &gt; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt; <a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"=
_blank">https://www.ietf.org/mailman/listinfo/mpls</a><br>
<br>
_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/mpls</a></span></font><span lang=3D"EN-=
US"><o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt;background:white"><fon=
t size=3D"3" color=3D"black" face=3D"Times New Roman"><span lang=3D"EN-US" =
style=3D"font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quo=
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:16.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">What about=
 if a route reflector is deployed?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:16.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:SimSu=
n">=B7=A2=BC=FE=C8=CB<span lang=3D"EN-US">:</span></span></b><span lang=3D"=
EN-US" style=3D"font-size:10.0pt;font-family:SimSun"> mpls [mailto:mpls-bou=
nces@ietf.org]
</span><b><span style=3D"font-size:10.0pt;font-family:SimSun">=B4=FA=B1=ED =
</span></b><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:SimSu=
n">Shahram Davari<br>
</span><b><span style=3D"font-size:10.0pt;font-family:SimSun">=B7=A2=CB=CD=
=CA=B1=BC=E4<span lang=3D"EN-US">:</span></span></b><span lang=3D"EN-US" st=
yle=3D"font-size:10.0pt;font-family:SimSun"> 2014</span><span style=3D"font=
-size:10.0pt;font-family:SimSun">=C4=EA<span lang=3D"EN-US">3</span>=D4=C2<=
span lang=3D"EN-US">26</span>=C8=D5<span lang=3D"EN-US">
 11:12<br>
</span><b>=CA=D5=BC=FE=C8=CB<span lang=3D"EN-US">:</span></b><span lang=3D"=
EN-US"> Mach Chen<br>
</span><b>=B3=AD=CB=CD<span lang=3D"EN-US">:</span></b><span lang=3D"EN-US"=
> draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org<br>
</span><b>=D6=F7=CC=E2<span lang=3D"EN-US">:</span></b><span lang=3D"EN-US"=
> Re: [mpls] Mail regarding draft-chen-mpls-source-label<o:p></o:p></span><=
/span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi Mach<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">In L3VPN you could modify the V=
PN label distribution and distribute A unique VPN label to each remote VRF.=
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">This would solve your problem b=
y just software upgrade without need for new hardware.&nbsp;<br>
<br>
Regards, <o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Shahram<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
On Mar 25, 2014, at 7:33 PM, &quot;Mach Chen&quot; &lt;<a href=3D"mailto:ma=
ch.chen@huawei.com">mach.chen@huawei.com</a>&gt; wrote:<o:p></o:p></span></=
p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram=
</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">The proble=
m is that not all the networks deploy PW to transport the service, there ar=
e quite number of networks use L3VPN and other techniques.
</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regar=
ds,</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach</span=
><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> S. Davari [<a href=3D"mailto:davarish@yahoo.com">mail=
to:davarish@yahoo.com</a>]
<br>
<b>Sent:</b> Tuesday, March 25, 2014 6:08 PM<br>
<b>To:</b> Mach Chen<br>
<b>Cc:</b> Shahram Davari; Yimin Shen; <a href=3D"mailto:draft-chen-mpls-so=
urce-label@tools.ietf.org">
draft-chen-mpls-source-label@tools.ietf.org</a>; <a href=3D"mailto:mpls@iet=
f.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Mail regarding draft-chen-mpls-source-label</spa=
n><span lang=3D"EN-US"><o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi Mach<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Since the service is P2P, each =
bas station has its own PW. Therefore there is no need to identify each BS =
using yet another label.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><br>
Regards,<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Shahram<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
On Mar 25, 2014, at 1:32 AM, Mach Chen &lt;<a href=3D"mailto:mach.chen@huaw=
ei.com">mach.chen@huawei.com</a>&gt; wrote:<o:p></o:p></span></p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Shahram=
,</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">IP/MPLS is=
 commonly used in the mobile backhaul, and many of the networks use pure LD=
P based tunnel. The service is point-to-point (e.g., from
 CSG to RSG),&nbsp; but the LDP based tunnel is actually MP2P model. And se=
veral customers require to support passive performance in their mobile back=
haul network.</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Regarding =
the number of labels, I agree if only the Extended special purpose label ca=
n be assigned, but if the normal special purpose label is
 assigned, then only two extra labels.</span><span lang=3D"EN-US"><o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regar=
ds,</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mach</span=
><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</sp=
an><span lang=3D"EN-US"><o:p></o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> S. Davari [<a href=3D"mailto:davarish@yahoo.com">mail=
to:davarish@yahoo.com</a>]
<br>
<b>Sent:</b> Tuesday, March 25, 2014 2:51 PM<br>
<b>To:</b> Mach Chen; Shahram Davari; Yimin Shen<br>
<b>Cc:</b> <a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.org">d=
raft-chen-mpls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<b>Subject:</b> Re: [mpls] Mail regarding draft-chen-mpls-source-label</spa=
n><span lang=3D"EN-US"><o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><span lang=3D"EN-US" styl=
e=3D"color:black">Hi Mach,<br>
<br>
The draft you refer to, refers to wireless backhaul, which as far as I know=
,&nbsp; does not use multi-point service, and you could use normal P2P LM/D=
M. Regarding the number of labels, note that there are not many reserved la=
bels left and as per following IETF draft
 pretty much no more reserved label can be assigned without the use of Exte=
nded Label Indiactor, which means you need 3 labels: XL-SLI-SL<br>
<br>
<a href=3D"http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-label=
s-06">http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06<=
/a><br>
<br>
Thx<br>
Shahram</span><span lang=3D"EN-US"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><span lang=3D"EN-US" styl=
e=3D"color:black">&nbsp;</span><span lang=3D"EN-US"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><span lang=3D"EN-US" styl=
e=3D"color:black">&nbsp;</span><span lang=3D"EN-US"><o:p></o:p></span></p>
</div>
<div>
<div>
<div>
<div class=3D"MsoNormal" align=3D"center" style=3D"text-align:center;backgr=
ound:white">
<span lang=3D"EN-US" style=3D"color:black">
<hr size=3D"1" width=3D"100%" align=3D"center">
</span></div>
<p class=3D"MsoNormal" style=3D"background:white"><b><span lang=3D"EN-US" s=
tyle=3D"font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quo=
t;;color:black">From:</span></b><span lang=3D"EN-US" style=3D"font-size:10.=
0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:black"> Mach=
 Chen &lt;<a href=3D"mailto:mach.chen@huawei.com">mach.chen@huawei.com</a>&=
gt;<br>
<b>To:</b> Shahram Davari &lt;<a href=3D"mailto:davari@broadcom.com">davari=
@broadcom.com</a>&gt;; Yimin Shen &lt;<a href=3D"mailto:yshen@juniper.net">=
yshen@juniper.net</a>&gt;
<br>
<b>Cc:</b> &quot;<a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf.=
org">draft-chen-mpls-source-label@tools.ietf.org</a>&quot; &lt;<a href=3D"m=
ailto:draft-chen-mpls-source-label@tools.ietf.org">draft-chen-mpls-source-l=
abel@tools.ietf.org</a>&gt;; &quot;<a href=3D"mailto:mpls@ietf.org">mpls@ie=
tf.org</a>&quot;
 &lt;<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>&gt; <br>
<b>Sent:</b> Monday, March 24, 2014 11:12:28 PM<br>
<b>Subject:</b> Re: [mpls] Mail regarding draft-chen-mpls-source-label</spa=
n><span lang=3D"EN-US"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"background:white"><span lang=3D"EN-US" styl=
e=3D"color:black"><br>
Hi Shahram,<br>
<br>
Everybody knows there is SLM, but SPs need passive LM and DM in some scenar=
ios(please refer to :
<a href=3D"http://tools.ietf.org/html/draft-deng-ippm-wireless-01" target=
=3D"_blank">
http://tools.ietf.org/html/draft-deng-ippm-wireless-01 </a>and RFC6374). Bo=
th active and passive PM have their application scenarios.
<br>
<br>
Again, to correct a mistake here, same as EL, there are only two labels nee=
ded. <br>
<br>
<br>
Best regards,<br>
Mach</span><span lang=3D"EN-US"><o:p></o:p></span></p>
<div id=3D"yqtfd46112">
<p class=3D"MsoNormal" style=3D"background:white"><span lang=3D"EN-US" styl=
e=3D"color:black"><br>
&gt; -----Original Message-----<br>
&gt; From: Shahram Davari [mailto:<a href=3D"mailto:davari@broadcom.com">da=
vari@broadcom.com</a>]<br>
&gt; Sent: Tuesday, March 25, 2014 11:24 AM<br>
&gt; To: Yimin Shen<br>
&gt; Cc: Mach Chen; <a href=3D"mailto:draft-chen-mpls-source-label@tools.ie=
tf.org">draft-chen-mpls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label<br>
&gt; <br>
&gt; Hi<br>
&gt; <br>
&gt; So far I haven't seen any valid use car that would only be possible by=
 adding this 3<br>
&gt; labels. For VPLS LM you could always use Synthetic loss measurement. J=
ust<br>
&gt; saying Synthetic LM is not as accurate as direct LM is not a good just=
ification for<br>
&gt; adding 3 labels.<br>
&gt; <br>
&gt; Regards,<br>
&gt; Shahram<br>
&gt; <br>
&gt; <br>
&gt; &gt; On Mar 21, 2014, at 11:39 AM, &quot;Yimin Shen&quot; &lt;<a href=
=3D"mailto:yshen@juniper.net">yshen@juniper.net</a>&gt; wrote:<br>
&gt; &gt;<br>
&gt; &gt; Hi Mach,<br>
&gt; &gt;<br>
&gt; &gt; For an intermediate node, SL would definitely NOT be at the top o=
f _incoming_<br>
&gt; label stack. You would have to install complex forwarding state in dat=
a plane to<br>
&gt; look for SL and process the packet differently based on the<br>
&gt; existence/non-existence of SL. It would get even more complicated if y=
ou need<br>
&gt; to put the SL back to the packets, in case other nodes downstream may =
also be<br>
&gt; expecting it. So I'd like to see a valid use case for this increased c=
omplexity and<br>
&gt; overhead.<br>
&gt; &gt;<br>
&gt; &gt; Regarding the egress node use case, note that it is different tha=
n Entropy labels,<br>
&gt; where an EL is actually used by intermediate nodes and only popped by =
egress<br>
&gt; node. So, if your goal is simply to inform an egress node about the id=
entity of a<br>
&gt; source node, the source node could just push one label to identify its=
elf. This<br>
&gt; label could be configured or communicated between the egress node and =
the<br>
&gt; source node in any fashion. However in this draft, the source node wou=
ld have to<br>
&gt; push 3 extra labels (for SL).<br>
&gt; &gt;<br>
&gt; &gt; Thanks,<br>
&gt; &gt;<br>
&gt; &gt; /Yimin<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; -----Original Message-----<br>
&gt; &gt; From: Mach Chen [mailto:<a href=3D"mailto:mach.chen@huawei.com">m=
ach.chen@huawei.com</a>]<br>
&gt; &gt; Sent: Thursday, March 20, 2014 11:00 AM<br>
&gt; &gt; To: Yimin Shen; <a href=3D"mailto:draft-chen-mpls-source-label@to=
ols.ietf.org">
draft-chen-mpls-source-label@tools.ietf.org</a>;<br>
&gt; &gt; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt; Subject: RE: Mail regarding draft-chen-mpls-source-label<br>
&gt; &gt;<br>
&gt; &gt; Hi Yimin,<br>
&gt; &gt;<br>
&gt; &gt; Thanks for your questions and comments!<br>
&gt; &gt;<br>
&gt; &gt; Please see my reply inline...<br>
&gt; &gt;<br>
&gt; &gt;&gt; -----Original Message-----<br>
&gt; &gt;&gt; From: Mach Chen<br>
&gt; &gt;&gt; Sent: Thursday, March 20, 2014 10:45 PM<br>
&gt; &gt;&gt; To: Mach Chen<br>
&gt; &gt;&gt; Subject: FW: Mail regarding draft-chen-mpls-source-label<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; From: mpls [mailto:<a href=3D"mailto:mpls-bounces@ietf.org">m=
pls-bounces@ietf.org</a>] On Behalf Of Yimin Shen<br>
&gt; &gt;&gt; Sent: Thursday, March 20, 2014 12:03 AM<br>
&gt; &gt;&gt; To: <a href=3D"mailto:draft-chen-mpls-source-label@tools.ietf=
.org">draft-chen-mpls-source-label@tools.ietf.org</a>;
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt;&gt; Subject: [mpls] Mail regarding draft-chen-mpls-source-label<b=
r>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Hi authors,<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Can you please clarify if SL is expected to be used only by e=
gress<br>
&gt; &gt;&gt; node, or by intermediate node as well ?<br>
&gt; &gt;<br>
&gt; &gt; The SL can be used by the egress and intermediate node, but for i=
ntermediate<br>
&gt; node, since the SL may not be on the top of the label stack, if it wan=
ts to use it, it<br>
&gt; needs to search the label stack to find the SL, just as to find an EL.=
<br>
&gt; &gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Section 3.2 &quot;Traffic Matrix Measurement and Steering&quo=
t; describes a use<br>
&gt; &gt;&gt; case for intermediate node, but I think congestion should in =
general<br>
&gt; &gt;&gt; be resolved by control plane to reroute traffic based on a gl=
obal<br>
&gt; &gt;&gt; view of network resources, rather than by data plane based on=
 a SL.<br>
&gt; &gt;&gt; In your case, would the intermediate node move the traffic to=
 an LSP<br>
&gt; &gt;&gt; that is different than the LSP intended by the ingress node ?=
 I don't think it is<br>
&gt; the right thing to do.<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Regarding the use case of section 3.3 &quot;Source Filtering&=
quot;. If somebody<br>
&gt; &gt;&gt; is doing DoS attack, why would he put an SL in the packets ?<=
br>
&gt; &gt;<br>
&gt; &gt; Regarding to these two use cases, as discussed with Curtis, there=
 need more<br>
&gt; considerations, we will remove these two section in the next revision.=
<br>
&gt; &gt;<br>
&gt; &gt; Thanks,<br>
&gt; &gt; Mach<br>
&gt; &gt;<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; Thanks,<br>
&gt; &gt;&gt;<br>
&gt; &gt;&gt; /Yimin<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; _______________________________________________<br>
&gt; &gt; mpls mailing list<br>
&gt; &gt; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
&gt; &gt; <a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"=
_blank">https://www.ietf.org/mailman/listinfo/mpls</a><br>
<br>
_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/mpls</a></span><span lang=3D"EN-US"><o:=
p></o:p></span></p>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt;background:white"><spa=
n lang=3D"EN-US" style=3D"color:black">&nbsp;</span><span lang=3D"EN-US"><o=
:p></o:p></span></p>
</div>
</div>
</div>
</div>
</div>
</div>
</blockquote>
</div>
</div>
</blockquote>
</div>
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On 25/03/2014 03:24, Shahram Davari wrote:
> Hi
>
> So far I haven't seen any valid use car that would only be possible by adding this 3 labels. For VPLS LM you could always use Synthetic loss measurement. Just saying Synthetic LM is not as accurate as direct LM is not a good justification for adding 3 labels.
>
> Regards,
> Shahram
>
Shahram

If you need to do true packet loss measurements in a MP2P system, then 
you need some form of source identifier in the label stack.

SLM is OK as a guide to QoS, but in high quality optical systems which 
have tiny packet loss rates it is quite limited in what it can do.

Stewart



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From: "S. Davari" <davarish@yahoo.com>
Date: Wed, 26 Mar 2014 07:14:22 -0700
To: "stbryant@cisco.com" <stbryant@cisco.com>
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My suggestion is if a service is very sensitive  to packet loss and you want=
 to measure very small packet loss then use P2P LSP rather than MP2P LSP and=
 you can even do TE.

Regards,
Shahram


> On Mar 26, 2014, at 4:33 AM, Stewart Bryant <stbryant@cisco.com> wrote:
>=20
>> On 25/03/2014 03:24, Shahram Davari wrote:
>> Hi
>>=20
>> So far I haven't seen any valid use car that would only be possible by ad=
ding this 3 labels. For VPLS LM you could always use Synthetic loss measurem=
ent. Just saying Synthetic LM is not as accurate as direct LM is not a good j=
ustification for adding 3 labels.
>>=20
>> Regards,
>> Shahram
> Shahram
>=20
> If you need to do true packet loss measurements in a MP2P system, then you=
 need some form of source identifier in the label stack.
>=20
> SLM is OK as a guide to QoS, but in high quality optical systems which hav=
e tiny packet loss rates it is quite limited in what it can do.
>=20
> Stewart
>=20
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Wed Mar 26 12:29:22 2014
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : Updates to MPLS Transport Profile Linear Protection
        Author          : Eric Osborne
	Filename        : draft-ietf-mpls-psc-updates-03.txt
	Pages           : 9
	Date            : 2014-03-25

Abstract:
   This document contains four updates to the Protection State
   Coordination (PSC) logic defined in RFC6378, "MPLS Transport Profile
   (MPLS-TP) Linear Protection" . Two of the updates correct existing
   behavior.  The third clarifies a behavior which was not explained in
   the RFC, and the fourth adds rules around handling capabilities
   mismatches.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-psc-updates-03

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-psc-updates-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Wed Mar 26 12:57:24 2014
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Subject: [mpls] Last Call: <draft-ietf-mpls-psc-updates-03.txt> (Updates to MPLS Transport Profile Linear Protection) to Proposed Standard
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The IESG has received a request from the Multiprotocol Label Switching WG
(mpls) to consider the following document:
- 'Updates to MPLS Transport Profile Linear Protection'
  <draft-ietf-mpls-psc-updates-03.txt> as Proposed Standard

The IESG plans to make a decision in the next few weeks, and solicits
final comments on this action. Please send substantive comments to the
ietf@ietf.org mailing lists by 2014-04-09. Exceptionally, comments may be
sent to iesg@ietf.org instead. In either case, please retain the
beginning of the Subject line to allow automated sorting.

Abstract

   This document contains four updates to the Protection State
   Coordination (PSC) logic defined in RFC6378, "MPLS Transport Profile
   (MPLS-TP) Linear Protection" . Two of the updates correct existing
   behavior.  The third clarifies a behavior which was not explained in
   the RFC, and the fourth adds rules around handling capabilities
   mismatches.


The file can be obtained via
http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/

IESG discussion can be tracked via
http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/ballot/

No IPR declarations have been submitted directly on this I-D.


From nobody Wed Mar 26 13:10:35 2014
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Subject: [mpls] [Editorial Errata Reported] RFC4379 (3934)
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The following errata report has been submitted for RFC4379,
"Detecting Multi-Protocol Label Switched (MPLS) Data Plane Failures".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=4379&eid=3934

--------------------------------------
Type: Editorial
Reported by: Nobo Akiya <nobo@cisco.com>

Section: 4.5

Original Text
-------------
If the Reply Mode in the echo request is "Reply via an
IPv4 UDP packet with Router Alert", then the IP header MUST contain
the Router Alert IP option.

Corrected Text
--------------
If the Reply Mode in the echo request is "Reply via an
IPv4/IPv6 UDP packet with Router Alert", then the IP header MUST contain
the Router Alert IP option.

Notes
-----
IPv4 -> IPv4/IPv6

Instructions:
-------------
This errata is currently posted as "Reported". If necessary, please
use "Reply All" to discuss whether it should be verified or
rejected. When a decision is reached, the verifying party (IESG)
can log in to change the status and edit the report, if necessary. 

--------------------------------------
RFC4379 (draft-ietf-mpls-lsp-ping-13)
--------------------------------------
Title               : Detecting Multi-Protocol Label Switched (MPLS) Data Plane Failures
Publication Date    : February 2006
Author(s)           : K. Kompella, G. Swallow
Category            : PROPOSED STANDARD
Source              : Multiprotocol Label Switching
Area                : Routing
Stream              : IETF
Verifying Party     : IESG


From nobody Wed Mar 26 13:33:25 2014
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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: <ietf@ietf.org>
Date: Wed, 26 Mar 2014 20:33:19 -0000
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Subject: Re: [mpls] Last Call: <draft-ietf-mpls-psc-updates-03.txt> (Updates to MPLS Transport Profile Linear Protection) to Proposed Standard
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Hi,

I have one issue I want to bring up as a last call comment. I discussed it
briefly with Eric and we agreed it is something that needs wider discussion than
just a late editorial change.

Currently 6378 does not describe the format of PSC TLVs and
draft-ietf-mpls-tp-itu introduces one without defining the format tightly.
Therefore, this document contains a simple statement of the fields and meanings
in a TLV.

However, 6378 also does not state how to handle:
- a malformed TLV
- an unknown TLV type

We need to add some simple text to cover this.

Options for each of the above are:
- ignore the TLV but process the message
- report the TLV but ignore the TLV and process the message
- ignore the message
- report the message but ignore it
- reject the message

Thanks,
Adrian

> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of The IESG
> Sent: 26 March 2014 19:57
> To: IETF-Announce
> Cc: mpls@ietf.org
> Subject: [mpls] Last Call: <draft-ietf-mpls-psc-updates-03.txt> (Updates to
MPLS
> Transport Profile Linear Protection) to Proposed Standard
> 
> 
> The IESG has received a request from the Multiprotocol Label Switching WG
> (mpls) to consider the following document:
> - 'Updates to MPLS Transport Profile Linear Protection'
>   <draft-ietf-mpls-psc-updates-03.txt> as Proposed Standard
> 
> The IESG plans to make a decision in the next few weeks, and solicits
> final comments on this action. Please send substantive comments to the
> ietf@ietf.org mailing lists by 2014-04-09. Exceptionally, comments may be
> sent to iesg@ietf.org instead. In either case, please retain the
> beginning of the Subject line to allow automated sorting.
> 
> Abstract
> 
>    This document contains four updates to the Protection State
>    Coordination (PSC) logic defined in RFC6378, "MPLS Transport Profile
>    (MPLS-TP) Linear Protection" . Two of the updates correct existing
>    behavior.  The third clarifies a behavior which was not explained in
>    the RFC, and the fourth adds rules around handling capabilities
>    mismatches.
> 
> 
> The file can be obtained via
> http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/
> 
> IESG discussion can be tracked via
> http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/ballot/
> 
> No IPR declarations have been submitted directly on this I-D.
> 
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Wed Mar 26 14:08:51 2014
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From: Yaacov Weingarten <wyaacov@gmail.com>
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Subject: Re: [mpls] Last Call: <draft-ietf-mpls-psc-updates-03.txt> (Updates to MPLS Transport Profile Linear Protection) to Proposed Standard
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--001a11c357c24e84d804f588df64
Content-Type: text/plain; charset=ISO-8859-1

Hi,

Some comments and nits regarding this draft:

1. The Abstract states "This document contains four updates to", whereas
the first statement of the Introduction states "This document contains
firve updates to" -  so aside from the spelling mistake please align the
two statements to the correct number of updates.

2. Section 5 is very confusing to me -
       a. My understanding was that the PSC Control Logic always receives
two inputs - one local and one remote and decides on the the next state
based upon these two inputs and the current state of the Control Logic as
defined in the FSM. You, however, state that you need to explain how the
Control Logic should react to different inputs. After explaining, the two
cases of different inputs, you then state that the reaction to these inputs
is already covered in RFC6378, and what needs to be clarified is the
recovery from the input that was defining the current state! Not sure what
you really meant to say, but it would help if you gave a consistent message
throughout as to what needs to be clarified!
     b. At some point you state that the Control Logic should remember the
last received local and remote inputs for reevaluation when the driving
input is cleared. But then you go and prove that this is not necessarily
true, since the inputs may change during the interim (went from R(LO) to
R(SF-W)). Therefore, I think that the correct interpretation should be
based on the two current inputs as provided by the Local Request Logic and
Remote Input. What may need to be corrected is that each of these two units
should persist their latest outputs to continue to be provided as input to
the Control Logic.
     c. Your first example, (in the third paragraph) describes two FS
inputs (a "local" and "remove" [should be changed to "remote"]) to the
Control Logic, but then in the fifth paragraph it is a "local SF" that is
driving the state. Please change this to "local FS".

Hope these help,
yaacov


On Wed, Mar 26, 2014 at 9:57 PM, The IESG <iesg-secretary@ietf.org> wrote:

>
> The IESG has received a request from the Multiprotocol Label Switching WG
> (mpls) to consider the following document:
> - 'Updates to MPLS Transport Profile Linear Protection'
>   <draft-ietf-mpls-psc-updates-03.txt> as Proposed Standard
>
> The IESG plans to make a decision in the next few weeks, and solicits
> final comments on this action. Please send substantive comments to the
> ietf@ietf.org mailing lists by 2014-04-09. Exceptionally, comments may be
> sent to iesg@ietf.org instead. In either case, please retain the
> beginning of the Subject line to allow automated sorting.
>
> Abstract
>
>    This document contains four updates to the Protection State
>    Coordination (PSC) logic defined in RFC6378, "MPLS Transport Profile
>    (MPLS-TP) Linear Protection" . Two of the updates correct existing
>    behavior.  The third clarifies a behavior which was not explained in
>    the RFC, and the fourth adds rules around handling capabilities
>    mismatches.
>
>
> The file can be obtained via
> http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/
>
> IESG discussion can be tracked via
> http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/ballot/
>
> No IPR declarations have been submitted directly on this I-D.
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>



-- 
Thanx and BR,
yaacov

*Still looking for new opportunity*

--001a11c357c24e84d804f588df64
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hi,<div><br></div><div>Some comments and nits regarding th=
is draft:</div><div><br></div><div>1. The Abstract states &quot;<span style=
=3D"font-family:arial,sans-serif;font-size:13px">This document contains fou=
r updates to&quot;, whereas the first statement of the Introduction states =
&quot;</span><span style=3D"color:rgb(0,0,0);font-size:1em">This document c=
ontains firve updates to&quot; -=A0</span>=A0so aside from the spelling mis=
take please align the two statements to the correct number of updates.</div=
>
<div><br></div><div>2. Section 5 is very confusing to me -=A0</div><div>=A0=
 =A0 =A0 =A0a. My understanding was that the PSC Control Logic always recei=
ves two inputs - one local and one remote and decides on the the next state=
 based upon these two inputs and the current state of the Control Logic as =
defined in the FSM. You, however, state that you need to explain how the Co=
ntrol Logic should react to different inputs. After explaining, the two cas=
es of different inputs, you then state that the reaction to these inputs is=
 already covered in RFC6378, and what needs to be clarified is the recovery=
 from the input that was defining the current state! Not sure what you real=
ly meant to say, but it would help if you gave a consistent message through=
out as to what needs to be clarified!</div>
<div>=A0 =A0 =A0b. At some point you state that the Control Logic should re=
member the last received local and remote inputs for reevaluation when the =
driving input is cleared. But then you go and prove that this is not necess=
arily true, since the inputs may change during the interim (went from R(LO)=
 to R(SF-W)). Therefore, I think that the correct interpretation should be =
based on the two current inputs as provided by the Local Request Logic and =
Remote Input. What may need to be corrected is that each of these two units=
 should persist their latest outputs to continue to be provided as input to=
 the Control Logic.</div>
<div>=A0 =A0 =A0c. Your first example, (in the third paragraph) describes t=
wo FS inputs (a &quot;local&quot; and &quot;remove&quot; [should be changed=
 to &quot;remote&quot;]) to the Control Logic, but then in the fifth paragr=
aph it is a &quot;local SF&quot; that is driving the state. Please change t=
his to &quot;local FS&quot;.</div>
<div><br></div><div>Hope these help,</div><div>yaacov</div></div><div class=
=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Wed, Mar 26, 2014 at=
 9:57 PM, The IESG <span dir=3D"ltr">&lt;<a href=3D"mailto:iesg-secretary@i=
etf.org" target=3D"_blank">iesg-secretary@ietf.org</a>&gt;</span> wrote:<br=
>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><br>
The IESG has received a request from the Multiprotocol Label Switching WG<b=
r>
(mpls) to consider the following document:<br>
- &#39;Updates to MPLS Transport Profile Linear Protection&#39;<br>
=A0 &lt;draft-ietf-mpls-psc-updates-03.txt&gt; as Proposed Standard<br>
<br>
The IESG plans to make a decision in the next few weeks, and solicits<br>
final comments on this action. Please send substantive comments to the<br>
<a href=3D"mailto:ietf@ietf.org">ietf@ietf.org</a> mailing lists by 2014-04=
-09. Exceptionally, comments may be<br>
sent to <a href=3D"mailto:iesg@ietf.org">iesg@ietf.org</a> instead. In eith=
er case, please retain the<br>
beginning of the Subject line to allow automated sorting.<br>
<br>
Abstract<br>
<br>
=A0 =A0This document contains four updates to the Protection State<br>
=A0 =A0Coordination (PSC) logic defined in RFC6378, &quot;MPLS Transport Pr=
ofile<br>
=A0 =A0(MPLS-TP) Linear Protection&quot; . Two of the updates correct exist=
ing<br>
=A0 =A0behavior. =A0The third clarifies a behavior which was not explained =
in<br>
=A0 =A0the RFC, and the fourth adds rules around handling capabilities<br>
=A0 =A0mismatches.<br>
<br>
<br>
The file can be obtained via<br>
<a href=3D"http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/" ta=
rget=3D"_blank">http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates=
/</a><br>
<br>
IESG discussion can be tracked via<br>
<a href=3D"http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/ball=
ot/" target=3D"_blank">http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-=
updates/ballot/</a><br>
<br>
No IPR declarations have been submitted directly on this I-D.<br>
<br>
_______________________________________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/mpls</a><br>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div dir=3D"=
ltr">Thanx and BR,<div>yaacov</div><div><br></div><div><i>Still looking for=
 new opportunity</i></div></div>
</div>

--001a11c357c24e84d804f588df64--


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From: Yimin Shen <yshen@juniper.net>
To: Mach Chen <mach.chen@huawei.com>, "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-label@tools.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
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Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Mach,

- For an intermediate node, dealing with SL is different than dealing with =
EL. In the EL case, the node doesn't need to know if there is actually an E=
L present in the label stack, and hence it doesn't look for EL. All the nod=
e does is simply to hash on the label stack to do load balancing. However i=
n your case, the node would really have to search for SL, and if it is foun=
d, interpret it, process it, and potentially insert it back to label stack.=
 This is the complexity you would impose on data plane. Hence my concerns a=
bout the applicability for intermediate nodes.

- Regarding 3 labels. This would be XL (15), followed by ESPL (which you ca=
ll SLI), and followed by SL, according to draft-ietf-mpls-special-purpose-l=
abels.

- IMO, all you need is just an indicator of the source node, and as some co=
mments have pointed out, there could be potential solutions using regular l=
abels. Alternatively, this draft could extend the scope by considering both=
 special purpose labels and regular labels as well.


Thanks,

/Yimin


-----Original Message-----
From: Mach Chen [mailto:mach.chen@huawei.com]=20
Sent: Monday, March 24, 2014 11:07 PM
To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
Subject: RE: Mail regarding draft-chen-mpls-source-label

Hi Yimin,

Please see my reply inline...

> -----Original Message-----
> From: Yimin Shen [mailto:yshen@juniper.net]
> Sent: Saturday, March 22, 2014 2:40 AM
> To: Mach Chen; draft-chen-mpls-source-label@tools.ietf.org;=20
> mpls@ietf.org
> Subject: RE: Mail regarding draft-chen-mpls-source-label
>=20
> Hi Mach,
>=20
> For an intermediate node, SL would definitely NOT be at the top of=20
> _incoming_ label stack.

Not exactly, if PHP is enabled, the penultimate LSR may see the SLI/SL pair=
. But anyway, this is not the crux.

> You would have to install complex forwarding state in data plane to=20
> look for SL and process the packet differently based on the=20
> existence/non-existence of SL. It would get even more complicated if=20
> you need to put the SL back to the packets, in case other nodes=20
> downstream may also be expecting it. So I'd like to see a valid use=20
> case for this increased complexity and overhead.

Firstly, based on my experience, I do not think that this is "complicated" =
as you said. It depends on how scalable your implementation is. To find a S=
L, there is no difference from finding an EL. The other thing (e.g., ACL an=
d counting) is mature and proved technologies.

Intermediate LSR processing SL is mainly for segment performance measuremen=
t that is very useful in fault localization, and this is the requirement fr=
om SPs (please see: http://tools.ietf.org/html/draft-deng-ippm-wireless-01)=
 and I also heard such requirements from many other service providers. So t=
he use case is valid imho.

In addition, the draft just says:
"There is no change in forwarding behavior for transit LSRs.  But if a
   transit LSR can recognize the SLI, it can use the SL to collect
   traffic throughput and/or measure the performance of the LSP."

This means that processing SL in transit LSRs is optional, means that your =
devices are unable to process it or you do not need it, that is fine.=20

>=20
> Regarding the egress node use case, note that it is different than=20
> Entropy labels, where an EL is actually used by intermediate nodes and=20
> only popped by egress

As said above, the intermediate LSRs may expect to see the SL.
=20
> node. So, if your goal is simply to inform an egress node about the=20
> identity of a source node, the source node could just push one label=20
> to identify itself. This

How does the egress LSR knows whether a label is for source identifying? Ar=
e you talking about establishing a PW-like LSP over the LSP?

> label could be configured or communicated between the egress node and=20
> the source node in any fashion. However in this draft, the source node=20
> would have to push 3 extra labels (for SL).

There are only SLI/SL inserted, where is the 3rd?

Thanks,
Mach
>=20
> Thanks,
>=20
> /Yimin
>=20
>=20
> -----Original Message-----
> From: Mach Chen [mailto:mach.chen@huawei.com]
> Sent: Thursday, March 20, 2014 11:00 AM
> To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org;=20
> mpls@ietf.org
> Subject: RE: Mail regarding draft-chen-mpls-source-label
>=20
> Hi Yimin,
>=20
> Thanks for your questions and comments!
>=20
> Please see my reply inline...
>=20
> > -----Original Message-----
> > From: Mach Chen
> > Sent: Thursday, March 20, 2014 10:45 PM
> > To: Mach Chen
> > Subject: FW: Mail regarding draft-chen-mpls-source-label
> >
> >
> >
> > From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> > Sent: Thursday, March 20, 2014 12:03 AM
> > To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> > Subject: [mpls] Mail regarding draft-chen-mpls-source-label
> >
> > Hi authors,
> >
> > Can you please clarify if SL is expected to be used only by egress=20
> > node, or by intermediate node as well ?
>=20
> The SL can be used by the egress and intermediate node, but for=20
> intermediate node, since the SL may not be on the top of the label=20
> stack, if it wants to use it, it needs to search the label stack to find =
the SL, just as to find an EL.
>=20
> >
> > Section 3.2 "Traffic Matrix Measurement and Steering" describes a=20
> > use case for intermediate node, but I think congestion should in=20
> > general be resolved by control plane to reroute traffic based on a=20
> > global view of network resources, rather than by data plane based on=20
> > a SL. In your case, would the intermediate node move the traffic to=20
> > an LSP that is different than the LSP intended by the ingress node ?=20
> > I don't think it is the right
> thing to do.
> >
> > Regarding the use case of section 3.3 "Source Filtering". If=20
> > somebody is doing DoS attack, why would he put an SL in the packets ?
>=20
> Regarding to these two use cases, as discussed with Curtis, there need=20
> more considerations, we will remove these two section in the next revisio=
n.
>=20
> Thanks,
> Mach
>=20
> >
> > Thanks,
> >
> > /Yimin
> >
> >
> >
> >
>=20
>=20





From nobody Thu Mar 27 10:01:07 2014
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Subject: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap
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Working Group,

The authors of draft-george-mpls-ipv6-only-gap have told us that the
draft is ready to be accepted as a working group document.

Before we do poll to see if we have consensus to accept the document
as a working group document we want to do an IPR poll on the document.

This mail starts that IPR poll.

Are you aware of any IPR that applies to draft-george-mpls-ipv6-
only-gap?

If so, has this IPR been disclosed in compliance with IETF IPR rules
(see RFCs 3979, 4879, 3669 and 5378 for more details).

Currently there are no IPR disclosures that relates to this document.

If you are listed as a document author or contributor please respond to
this email regardless of whether or not you are aware of any relevant
IPR. *The response needs to be sent to the MPLS wg mailing list.* The 
document will not advance to the next stage until a response has been
received from each author and contributor.

If you are on the MPLS WG email list but are not listed as an author or
contributor, then please explicitly respond only if you are aware of any
IPR that has not yet been disclosed in conformance with IETF rules.

Thanks, Loa
(as MPLS WG co-chair)
-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Thu Mar 27 10:20:05 2014
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From: "Rajiv Asati (rajiva)" <rajiva@cisco.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>, "draft-george-mpls-ipv6-only-gap@tools.ietf.org" <draft-george-mpls-ipv6-only-gap@tools.ietf.org>, "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "VIGOUREUX, MARTIN (MARTIN)" <martin.vigoureux@alcatel-lucent.com>
Thread-Topic: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap
Thread-Index: AQHPSd4vv2NOG1noT0G3oKBnvxcnJZr1PoaA
Date: Thu, 27 Mar 2014 17:19:51 +0000
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Subject: Re: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap
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Not aware of any IPR.

--=20
Cheers,
Rajiv Asati
Distinguished Engineer, Cisco





-----Original Message-----
From: Loa Andersson <loa@pi.nu>
Date: Thursday, March 27, 2014 at 1:01 PM
To: "mpls@ietf.org" <mpls@ietf.org>,
"draft-george-mpls-ipv6-only-gap@tools.ietf.org"
<draft-george-mpls-ipv6-only-gap@tools.ietf.org>,
"mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, MARTIN
VIGOUREUX <martin.vigoureux@alcatel-lucent.com>
Subject: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap

>Working Group,
>
>The authors of draft-george-mpls-ipv6-only-gap have told us that the
>draft is ready to be accepted as a working group document.
>
>Before we do poll to see if we have consensus to accept the document
>as a working group document we want to do an IPR poll on the document.
>
>This mail starts that IPR poll.
>
>Are you aware of any IPR that applies to draft-george-mpls-ipv6-
>only-gap?
>
>If so, has this IPR been disclosed in compliance with IETF IPR rules
>(see RFCs 3979, 4879, 3669 and 5378 for more details).
>
>Currently there are no IPR disclosures that relates to this document.
>
>If you are listed as a document author or contributor please respond to
>this email regardless of whether or not you are aware of any relevant
>IPR. *The response needs to be sent to the MPLS wg mailing list.* The
>document will not advance to the next stage until a response has been
>received from each author and contributor.
>
>If you are on the MPLS WG email list but are not listed as an author or
>contributor, then please explicitly respond only if you are aware of any
>IPR that has not yet been disclosed in conformance with IETF rules.
>
>Thanks, Loa
>(as MPLS WG co-chair)
>--=20
>
>
>Loa Andersson                        email: loa@mail01.huawei.com
>Senior MPLS Expert                          loa@pi.nu
>Huawei Technologies (consultant)     phone: +46 739 81 21 64
>
>_______________________________________________
>mpls mailing list
>mpls@ietf.org
>https://www.ietf.org/mailman/listinfo/mpls


From nobody Thu Mar 27 10:45:34 2014
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From: "Carlos Pignataro (cpignata)" <cpignata@cisco.com>
To: Loa Andersson <loa@pi.nu>
Thread-Topic: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap
Thread-Index: AQHPSeRWre17Dq0Mak2cVM4suKJPXQ==
Date: Thu, 27 Mar 2014 17:45:26 +0000
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Subject: Re: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap
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Loa,

I am not you are aware of any IPR relevant to this document.

Thanks,

-- Carlos.

On Mar 27, 2014, at 1:01 PM, Loa Andersson <loa@pi.nu> wrote:

> Working Group,
>=20
> The authors of draft-george-mpls-ipv6-only-gap have told us that the
> draft is ready to be accepted as a working group document.
>=20
> Before we do poll to see if we have consensus to accept the document
> as a working group document we want to do an IPR poll on the document.
>=20
> This mail starts that IPR poll.
>=20
> Are you aware of any IPR that applies to draft-george-mpls-ipv6-
> only-gap?
>=20
> If so, has this IPR been disclosed in compliance with IETF IPR rules
> (see RFCs 3979, 4879, 3669 and 5378 for more details).
>=20
> Currently there are no IPR disclosures that relates to this document.
>=20
> If you are listed as a document author or contributor please respond to
> this email regardless of whether or not you are aware of any relevant
> IPR. *The response needs to be sent to the MPLS wg mailing list.* The doc=
ument will not advance to the next stage until a response has been
> received from each author and contributor.
>=20
> If you are on the MPLS WG email list but are not listed as an author or
> contributor, then please explicitly respond only if you are aware of any
> IPR that has not yet been disclosed in conformance with IETF rules.
>=20
> Thanks, Loa
> (as MPLS WG co-chair)
> --=20
>=20
>=20
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Thu Mar 27 10:53:40 2014
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From: Rajiv Papneja <Rajiv.Papneja@huawei.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>, "draft-george-mpls-ipv6-only-gap@tools.ietf.org" <draft-george-mpls-ipv6-only-gap@tools.ietf.org>, "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "VIGOUREUX, MARTIN (MARTIN)" <martin.vigoureux@alcatel-lucent.com>
Thread-Topic: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap
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Date: Thu, 27 Mar 2014 17:53:21 +0000
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Subject: Re: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap
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I am not aware of any IPR related to this document.

Thanks,
Rajiv

-----Original Message-----
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
Sent: Thursday, March 27, 2014 1:01 PM
To: mpls@ietf.org; draft-george-mpls-ipv6-only-gap@tools.ietf.org; mpls-cha=
irs@tools.ietf.org; VIGOUREUX, MARTIN (MARTIN)
Subject: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap

Working Group,

The authors of draft-george-mpls-ipv6-only-gap have told us that the draft =
is ready to be accepted as a working group document.

Before we do poll to see if we have consensus to accept the document as a w=
orking group document we want to do an IPR poll on the document.

This mail starts that IPR poll.

Are you aware of any IPR that applies to draft-george-mpls-ipv6- only-gap?

If so, has this IPR been disclosed in compliance with IETF IPR rules (see R=
FCs 3979, 4879, 3669 and 5378 for more details).

Currently there are no IPR disclosures that relates to this document.

If you are listed as a document author or contributor please respond to thi=
s email regardless of whether or not you are aware of any relevant IPR. *Th=
e response needs to be sent to the MPLS wg mailing list.* The document will=
 not advance to the next stage until a response has been received from each=
 author and contributor.

If you are on the MPLS WG email list but are not listed as an author or con=
tributor, then please explicitly respond only if you are aware of any IPR t=
hat has not yet been disclosed in conformance with IETF rules.

Thanks, Loa
(as MPLS WG co-chair)
--=20


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64

_______________________________________________
mpls mailing list
mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls


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From: "George, Wes" <wesley.george@twcable.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>, "draft-george-mpls-ipv6-only-gap@tools.ietf.org" <draft-george-mpls-ipv6-only-gap@tools.ietf.org>, "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "VIGOUREUX, MARTIN (MARTIN)" <martin.vigoureux@alcatel-lucent.com>
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From: Mach Chen <mach.chen@huawei.com>
To: Yimin Shen <yshen@juniper.net>, "draft-chen-mpls-source-label@tools.ietf.org" <draft-chen-mpls-source-label@tools.ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Mail regarding draft-chen-mpls-source-label
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Subject: Re: [mpls] Mail regarding draft-chen-mpls-source-label
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Hi Yimin,

Please see my reply inline...

> -----Original Message-----
> From: Yimin Shen [mailto:yshen@juniper.net]
> Sent: Thursday, March 27, 2014 8:54 PM
> To: Mach Chen; draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> Subject: RE: Mail regarding draft-chen-mpls-source-label
>=20
> Hi Mach,
>=20
> - For an intermediate node, dealing with SL is different than dealing wit=
h EL. In
> the EL case, the node doesn't need to know if there is actually an EL pre=
sent in
> the label stack, and hence it doesn't look for EL. All the node does is s=
imply to
> hash on the label stack to do load balancing. However in your case, the n=
ode
> would really have to search for SL, and if it is found, interpret it, pro=
cess it, and
> potentially insert it back to label stack. This is the complexity you wou=
ld impose
> on data plane. Hence my concerns about the applicability for intermediate=
 nodes.

As said below, it's optional for an intermediate node to process SL.=20

>=20
> - Regarding 3 labels. This would be XL (15), followed by ESPL (which you =
call SLI),
> and followed by SL, according to draft-ietf-mpls-special-purpose-labels.

Sure, but the preference is to request a normal special purpose label.=20

>=20
> - IMO, all you need is just an indicator of the source node, and as some
> comments have pointed out, there could be potential solutions using regul=
ar
> labels. Alternatively, this draft could extend the scope by considering b=
oth special
> purpose labels and regular labels as well.

Regarding other potential solutions, we're open to hear and discuss.=20

Thanks,
Mach

>=20
>=20
> Thanks,
>=20
> /Yimin
>=20
>=20
> -----Original Message-----
> From: Mach Chen [mailto:mach.chen@huawei.com]
> Sent: Monday, March 24, 2014 11:07 PM
> To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.or=
g
> Subject: RE: Mail regarding draft-chen-mpls-source-label
>=20
> Hi Yimin,
>=20
> Please see my reply inline...
>=20
> > -----Original Message-----
> > From: Yimin Shen [mailto:yshen@juniper.net]
> > Sent: Saturday, March 22, 2014 2:40 AM
> > To: Mach Chen; draft-chen-mpls-source-label@tools.ietf.org;
> > mpls@ietf.org
> > Subject: RE: Mail regarding draft-chen-mpls-source-label
> >
> > Hi Mach,
> >
> > For an intermediate node, SL would definitely NOT be at the top of
> > _incoming_ label stack.
>=20
> Not exactly, if PHP is enabled, the penultimate LSR may see the SLI/SL pa=
ir. But
> anyway, this is not the crux.
>=20
> > You would have to install complex forwarding state in data plane to
> > look for SL and process the packet differently based on the
> > existence/non-existence of SL. It would get even more complicated if
> > you need to put the SL back to the packets, in case other nodes
> > downstream may also be expecting it. So I'd like to see a valid use
> > case for this increased complexity and overhead.
>=20
> Firstly, based on my experience, I do not think that this is "complicated=
" as you
> said. It depends on how scalable your implementation is. To find a SL, th=
ere is no
> difference from finding an EL. The other thing (e.g., ACL and counting) i=
s mature
> and proved technologies.
>=20
> Intermediate LSR processing SL is mainly for segment performance measurem=
ent
> that is very useful in fault localization, and this is the requirement fr=
om SPs
> (please see: http://tools.ietf.org/html/draft-deng-ippm-wireless-01) and =
I also
> heard such requirements from many other service providers. So the use cas=
e is
> valid imho.
>=20
> In addition, the draft just says:
> "There is no change in forwarding behavior for transit LSRs.  But if a
>    transit LSR can recognize the SLI, it can use the SL to collect
>    traffic throughput and/or measure the performance of the LSP."
>=20
> This means that processing SL in transit LSRs is optional, means that you=
r devices
> are unable to process it or you do not need it, that is fine.
>=20
> >
> > Regarding the egress node use case, note that it is different than
> > Entropy labels, where an EL is actually used by intermediate nodes and
> > only popped by egress
>=20
> As said above, the intermediate LSRs may expect to see the SL.
>=20
> > node. So, if your goal is simply to inform an egress node about the
> > identity of a source node, the source node could just push one label
> > to identify itself. This
>=20
> How does the egress LSR knows whether a label is for source identifying? =
Are
> you talking about establishing a PW-like LSP over the LSP?
>=20
> > label could be configured or communicated between the egress node and
> > the source node in any fashion. However in this draft, the source node
> > would have to push 3 extra labels (for SL).
>=20
> There are only SLI/SL inserted, where is the 3rd?
>=20
> Thanks,
> Mach
> >
> > Thanks,
> >
> > /Yimin
> >
> >
> > -----Original Message-----
> > From: Mach Chen [mailto:mach.chen@huawei.com]
> > Sent: Thursday, March 20, 2014 11:00 AM
> > To: Yimin Shen; draft-chen-mpls-source-label@tools.ietf.org;
> > mpls@ietf.org
> > Subject: RE: Mail regarding draft-chen-mpls-source-label
> >
> > Hi Yimin,
> >
> > Thanks for your questions and comments!
> >
> > Please see my reply inline...
> >
> > > -----Original Message-----
> > > From: Mach Chen
> > > Sent: Thursday, March 20, 2014 10:45 PM
> > > To: Mach Chen
> > > Subject: FW: Mail regarding draft-chen-mpls-source-label
> > >
> > >
> > >
> > > From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Yimin Shen
> > > Sent: Thursday, March 20, 2014 12:03 AM
> > > To: draft-chen-mpls-source-label@tools.ietf.org; mpls@ietf.org
> > > Subject: [mpls] Mail regarding draft-chen-mpls-source-label
> > >
> > > Hi authors,
> > >
> > > Can you please clarify if SL is expected to be used only by egress
> > > node, or by intermediate node as well ?
> >
> > The SL can be used by the egress and intermediate node, but for
> > intermediate node, since the SL may not be on the top of the label
> > stack, if it wants to use it, it needs to search the label stack to fin=
d the SL, just as
> to find an EL.
> >
> > >
> > > Section 3.2 "Traffic Matrix Measurement and Steering" describes a
> > > use case for intermediate node, but I think congestion should in
> > > general be resolved by control plane to reroute traffic based on a
> > > global view of network resources, rather than by data plane based on
> > > a SL. In your case, would the intermediate node move the traffic to
> > > an LSP that is different than the LSP intended by the ingress node ?
> > > I don't think it is the right
> > thing to do.
> > >
> > > Regarding the use case of section 3.3 "Source Filtering". If
> > > somebody is doing DoS attack, why would he put an SL in the packets ?
> >
> > Regarding to these two use cases, as discussed with Curtis, there need
> > more considerations, we will remove these two section in the next revis=
ion.
> >
> > Thanks,
> > Mach
> >
> > >
> > > Thanks,
> > >
> > > /Yimin
> > >
> > >
> > >
> > >
> >
> >
>=20
>=20
>=20


From nobody Thu Mar 27 23:15:34 2014
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Subject: [mpls] I-D Action: draft-ietf-mpls-tp-psc-itu-04.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : MPLS Transport Profile (MPLS-TP) Linear Protection to Match the Operational Expectations of SDH, OTN and Ethernet Transport Network Operators
        Authors         : Jeong-dong Ryoo
                          Eric Gray
                          Huub van Helvoort
                          Alessandro D'Alessandro
                          Taesik Cheung
                          Eric Osborne
	Filename        : draft-ietf-mpls-tp-psc-itu-04.txt
	Pages           : 38
	Date            : 2014-03-27

Abstract:
   This document describes alternate mechanisms to perform some of the
   functions of MPLS Transport Profile (MPLS-TP) linear protection
   defined in RFC 6378, and also defines additional mechanisms.  The
   purpose of these alternate and additional mechanisms is to provide
   operator control and experience that more closely models the behavior
   of linear protection seen in other transport networks.

   This document also introduces capabilities and modes for linear
   protection.  A capability is an individual behavior, and a mode is a
   particular combination of capabilities.  Two modes are defined in
   this document: Protection State Coordination (PSC) mode and Automatic
   Protection Switching (APS) mode.

   This document describes the behavior of the PSC protocol including
   priority logic and state machine when all the capabilities associated
   with the APS mode are enabled.

   This document updates RFC 6378 in that the capability advertisement
   method defined here is an addition to that document.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-tp-psc-itu/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-tp-psc-itu-04

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-tp-psc-itu-04


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Fri Mar 28 05:20:39 2014
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Working Group,

We are preparing draft-ietf-mpls-extended-admin-group for publication
request. As part of that we need to if there are existing or planned
implementations of the draft.

Please send your responses to the mpls working group mailing list
(mpls@ietf.org) or directly to (one of) the working group co-chairs.

/Loa
for the MPLS wg co-chairs

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Fri Mar 28 08:54:09 2014
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From: "Santiago Alvarez (saalvare)" <saalvare@cisco.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>, "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "VIGOUREUX, MARTIN (MARTIN)" <martin.vigoureux@alcatel-lucent.com>, "draft-ietf-mpls-extended-admin-group@tools.ietf.org" <draft-ietf-mpls-extended-admin-group@tools.ietf.org>
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There's one commercially available implementation that I'm aware of.  Other=
s may exist or be under development.
Cheers.

SA
--

> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
> Sent: Friday, March 28, 2014 5:20 AM
> To: mpls@ietf.org; mpls-chairs@tools.ietf.org; VIGOUREUX, MARTIN
> (MARTIN); draft-ietf-mpls-extended-admin-group@tools.ietf.org
> Subject: [mpls] implentations of draft-ietf-mpls-extended-admin-group
>=20
> Working Group,
>=20
> We are preparing draft-ietf-mpls-extended-admin-group for publication
> request. As part of that we need to if there are existing or planned
> implementations of the draft.
>=20
> Please send your responses to the mpls working group mailing list
> (mpls@ietf.org) or directly to (one of) the working group co-chairs.
>=20
> /Loa
> for the MPLS wg co-chairs
>=20
> --
>=20
>=20
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Fri Mar 28 12:59:15 2014
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From: Liaison Statement Management Tool <lsmt@ietf.org>
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Cc: Huub van Helvoort <huub.van.helvoort@huawei.com>, MPLS WG <mpls@ietf.org>, Tom Huber <Tom.Huber@coriant.com>, Han Li <lihan@chinamobile.com>, Dan Li <Huawei.danli@huawei.com>, MPLS WG chairs <mpls-chairs@tools.ietf.org>, Alia Atlas <alia@juniper.net>, Ghani Abbas <Ghani.Abbas@Ericsson.com>
Subject: [mpls] New Liaison Statement, "Progress of MPLS Protection State Coordination Work in the IETF"
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Title: Progress of MPLS Protection State Coordination Work in the IETF
Submission Date: 2014-03-28
URL of the IETF Web page: http://datatracker.ietf.org/liaison/1317/

From: Routing Area (Adrian Farrel <adrian@olddog.co.uk>)
To: ITU-T SG 15  (Greg Jones <tsbsg6@itu.int>)
Cc: Stephen Trowbridge <Steve.Trowbridge@alcatel-lucent.com>,Ghani Abbas <Ghani.Abbas@Ericsson.com>,Dan Li <Huawei.danli@huawei.com>,Jeong-dong Ryoo <ryoo@etri.re.kr>,Malcolm Betts <Malcolm.BETTS@zte.com.cn>,Tom Huber <Tom.Huber@coriant.com>,Han Li <lihan@chinamobile.com>,Huub van Helvoort <huub.van.helvoort@huawei.com>,Alessandro d'Alessandro <alessandro.dalessandro@telecomitalia.it>,Kam Lam <Kam.Lam@alcatel-lucent.com>,Scott Mansfield <scott.mansfield@ericsson.com>,Deborah Brungard <db3546@att.com>,MPLS WG chairs <mpls-chairs@tools.ietf.org>,MPLS WG <mpls@ietf.org>,Adrian Farrel <adrian@olddog.co.uk>,Alia Atlas <alia@juniper.net>
Response Contact: Deborah Brungard <db3546@att.com>
Technical Contact: Loa Andersson <loa@pi.nu>
Purpose: For information

Body: We would like to inform you of the progress of three documents related to MPLS-TP.

"MPLS Transport Profile (MPLS-TP) Linear Protection to Match the Operational Expectations of SDH, OTN and Ethernet Transport Network Operators"
draft-ietf-mpls-tp-psc-itu
https://datatracker.ietf.org/doc/draft-ietf-mpls-tp-psc-itu/
This document was today approved by the IESG for publication as an IETF Standards Track RFC.
The document will now be passed to the RFC Editor for format and editorial work as normal, and the RFC will be published in the normal course of events.
>From now on, the only changes to the document should be editorial with no changes to the technical content.

"Pre-standard Linear Protection Switching in MPLS-TP"
draft-zulr-mpls-tp-linear-protection-switching
https://datatracker.ietf.org/doc/draft-zulr-mpls-tp-linear-protection-switching/
The IESG has reviewed this document for potential conflict with existing IETF work and concluded that they do not object to its publication.
Since this document is being published on the Independent Stream its future progress depends on work between the authors and the Independent Stream Editor (ISE). The ISE can be contacted at ise@rfc-editor.org

"Updates to MPLS Transport Profile Linear Protection"
draft-ietf-mpls-psc-updates
https://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/
This document is currently in IETF last call. Comments and discussions can be tracked and contributed to via the MPLS mailing list or the general IETF discussion mailing list.
Last call is scheduled to complete on 9th April.
It is anticipated that last call will result in the need for minor updates to the document before IESG review and approval.

We will be happy to answer any questions you have about IETF process for these document.

Best regards,
Adrian Farrel and Alia Atlas
IETF Routing Area Directors
Attachments:

No document has been attached


From nobody Fri Mar 28 14:59:39 2014
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Subject: [mpls] [Errata Rejected] RFC4379 (3934)
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The following errata report has been rejected for RFC4379,
"Detecting Multi-Protocol Label Switched (MPLS) Data Plane Failures".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=4379&eid=3934

--------------------------------------
Status: Rejected
Type: Editorial

Reported by: Nobo Akiya <nobo@cisco.com>
Date Reported: 2014-03-26
Rejected by: Adrian Farrel (IESG)

Section: 4.5

Original Text
-------------
If the Reply Mode in the echo request is "Reply via an
IPv4 UDP packet with Router Alert", then the IP header MUST contain
the Router Alert IP option.

Corrected Text
--------------
If the Reply Mode in the echo request is "Reply via an
IPv4/IPv6 UDP packet with Router Alert", then the IP header MUST contain
the Router Alert IP option.

Notes
-----
IPv4 -> IPv4/IPv6
 --VERIFIER NOTES-- 
The issue noted is valid, but the fix is more complicated because the IPv6 solution does not work "out of the box". 

After discussion with the Reporter, the RFC authors, and the WG chairs, it is agreed that the situation will be fixed both by a quick I-D to allocate the necessary code points to make IPv6 work, and by a bus to this RFC for the necessary updates.


--------------------------------------
RFC4379 (draft-ietf-mpls-lsp-ping-13)
--------------------------------------
Title               : Detecting Multi-Protocol Label Switched (MPLS) Data Plane Failures
Publication Date    : February 2006
Author(s)           : K. Kompella, G. Swallow
Category            : PROPOSED STANDARD
Source              : Multiprotocol Label Switching
Area                : Routing
Stream              : IETF
Verifying Party     : IESG


From nobody Sat Mar 29 03:15:48 2014
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Subject: [mpls] I-D Action: draft-ietf-mpls-ldp-hello-crypto-auth-04.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.

        Title           : LDP Hello Cryptographic Authentication
        Authors         : Lianshu Zheng
                          Mach(Guoyi) Chen
                          Manav Bhatia
	Filename        : draft-ietf-mpls-ldp-hello-crypto-auth-04.txt
	Pages           : 20
	Date            : 2014-03-29

Abstract:
   This document introduces a new optional Cryptographic Authentication
   TLV that LDP can use to secure its Hello messages.  It secures the
   Hello messages against spoofing attacks and some well known attacks
   against the IP header.  This document describes a mechanism to secure
   the LDP Hello messages using National Institute of Standards and
   Technology (NIST) Secure Hash Standard family of algorithms.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-ldp-hello-crypto-auth/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-ldp-hello-crypto-auth-04

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-ldp-hello-crypto-auth-04


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Sun Mar 30 19:22:49 2014
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From: Mach Chen <mach.chen@huawei.com>
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Hello,=20

I have been selected as the Routing Directorate reviewer for this draft. Th=
e Routing Directorate seeks to review all routing or routing-related drafts=
 as they pass through IETF last call and IESG review, and sometimes on spec=
ial request. The purpose of the review is to provide assistance to the Rout=
ing ADs. For more information about the Routing Directorate, please see htt=
p://www.ietf.org/iesg/directorate/routing.html=20

Although these comments are primarily for the use of the Routing ADs, it wo=
uld be helpful if you could consider them along with any other IETF Last Ca=
ll comments that you receive, and strive to resolve them through discussion=
 or by updating the draft.=20

Document: draft-ietf-mpls-lsp-ping-ttl-tlv-07.txt=20
Reviewer: Mach Chen=20
Review Date: March 29, 2014
IETF LC End Date:=20
Intended Status: Standards Track=20

Summary:=20

I have some minor concerns about this document that I think should be resol=
ved before publication.

Comments:=20
The draft is well written and easy to read. The solution is technical worka=
ble, but for some corner cases, more considerations are needed.

Major Issues:=20

None.
=20
Minor Issues:=20

1. Since the TTL TLV is defined for both MS-PW and bidirectional co-routed =
LSP, it should be better to explicitly state this in the abstract section.

2. "LSP-Ping echo request", "LSP-Ping request", "MPLS echo request", "echo =
request" and "request" are interchangeably used in the draft, it's better t=
o unify the usage of it to "MPLS echo request" (to align with the usage in =
RFC4379). For "echo reply", "bidirectional co-routed LSP", they have the si=
milar issue.

3.Section 3.1
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |   Value       |   Reserved    |   Flags                    |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

For the TTL TLV, the value filed should include the "value", "Reserved" and=
 "Flags", so it's better to change the "Value" field to "TTL" field hence t=
o reduce the confusion.=20

4. Section 3.2
"This TLV shall be included in the echo request by the originator of
   request. The use of this TLV is optional. If a receiver does not
   understand the TTL TLV, it will simply ignore the TLV (Type value of
   TLV is assumed to be in the range of optional TLV's which SHOULD be
   ignored if an implementation does not support or understand them). In
   the absence of TTL TLV or if TTL TLV is ignored by a receiver, the
   determination of the TTL value used in the MPLS label on the echo
   reply is beyond the scope of this document."

What's your mean of "beyond the scope of this document" here? Is it to appl=
y the procedures defined in RFC4379 or just let it to the implementation? I=
 guess you assume to apply the definition in RFC4379, if so, the TTL of the=
 MPLS label will be more probably set to 255, means the echo reply will be =
sent to the ingress of the MS-PW or LSP. I am not sure whether this is the =
right procedure, it seems a security issue. IMHO, it does not make any sens=
e to expect the receiver to send echo reply in this situation, and even sen=
t, the initiator will not receive the reply. The safer way is to drop the w=
hole echo request and record an error log.

5. Section 3.2

"In other words, if the value of the TTL provided by this TLV does not matc=
h the TTL
   determined by other means, such as Switching Point TLV in MS-PW, then
   TTL TLV must be used."
Here, it implies that the receiver has to perform TTL matching process, sin=
ce how to set the TTL is independent of such matching, seems this sentence =
is redundant and confusion. =20

6. Section 4.

"...The value field of the TTL TLV and the TTL field of the MPLS label are =
set to 2,"

I guess that the MPLS Label is the PW label, right? It's better to add more=
 text to make this more explicit. In addition, how to set the TTL value of =
the tunnel Label? 255 or any other value?

5. Section 4.1. Traceroute mode
   "In the traceroute mode TTL value in the TLV is successively set to 1,
   2, and so on. This is similar to the TTL values used for the label
   set on the packet."
IMHO, some text may be needed to clarify which "FEC" should be carried, esp=
ecially for MS-PW trace. Since in Section 4.0, the example says the FEC of =
segment C-D should be carried, does it mean the FEC of last PW Segment of t=
he segment under test should be carried or the FEC will vary when TTL chang=
ed. For example, when perform segment trace (e.g., to trace B-D segment), w=
hen TTL is 1, which FEC should be carried?

6. Section 4.2. Error scenario
For this scenario, do you need to define some error codes here?=20

7. For MS-PW trace, seems that you assume the tunnel is pipe mode, if so, i=
t should be explicitly stated. If not, you should define how the MS-PW trac=
e works (given that the tunnels in both directions may span different hops)=
.=20

Nits:=20

1. Please check the text for acronyms that have not been expanded in their =
first use.

2. I run the idnits tool and found the following nits, please check and fix=
.=20
    (See RFCs 3967 and 4897 for information about using normative reference=
s
     to lower-maturity documents in RFCs)

  -- Looks like a reference, but probably isn't: 'RFC2119' on line 121

  -- Looks like a reference, but probably isn't: 'RFC4379' on line 258

  =3D=3D Unused Reference: '1' is defined on line 284, but no explicit refe=
rence
     was found in the text

  =3D=3D Unused Reference: '2' is defined on line 287, but no explicit refe=
rence
     was found in the text

  =3D=3D Unused Reference: '3' is defined on line 291, but no explicit refe=
rence
     was found in the text

3. Section 3.2,
3.1 first para first sentence
s/shall/SHALL
3.2 last para, the last second sentence
s/must/MUST

4. The draft quotes the MS-PW and bidirectional co-routed LSP concept, it's=
 better to add related references to this document.


Best regards,
Mach


From nobody Sun Mar 30 21:12:11 2014
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From: Dhruv Dhody <dhruv.dhody@huawei.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>, "draft-george-mpls-ipv6-only-gap@tools.ietf.org" <draft-george-mpls-ipv6-only-gap@tools.ietf.org>, "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>, "VIGOUREUX, MARTIN (MARTIN)" <martin.vigoureux@alcatel-lucent.com>
Thread-Topic: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap
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Date: Mon, 31 Mar 2014 04:11:50 +0000
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Subject: Re: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap
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I am not aware of any IPR related to this document.

Regards,
Dhruv

---------------------------------------------------------------
Dhruv Dhody=20
System Architect,=20
Huawei Technologies India Pvt. Ltd.,
Banagalore
Mobile: +91-9845062422

This e-mail and its attachments contain confidential information from HUAWE=
I, which=20
is intended only for the person or entity whose address is listed above. An=
y use of the=20
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> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
> Sent: 27 March 2014 22:31
> To: mpls@ietf.org; draft-george-mpls-ipv6-only-gap@tools.ietf.org; mpls-
> chairs@tools.ietf.org; VIGOUREUX, MARTIN (MARTIN)
> Subject: [mpls] IPR poll on draft-george-mpls-ipv6-only-gap
>=20
> Working Group,
>=20
> The authors of draft-george-mpls-ipv6-only-gap have told us that the draf=
t is
> ready to be accepted as a working group document.
>=20
> Before we do poll to see if we have consensus to accept the document as a
> working group document we want to do an IPR poll on the document.
>=20
> This mail starts that IPR poll.
>=20
> Are you aware of any IPR that applies to draft-george-mpls-ipv6- only-gap=
?
>=20
> If so, has this IPR been disclosed in compliance with IETF IPR rules (see
> RFCs 3979, 4879, 3669 and 5378 for more details).
>=20
> Currently there are no IPR disclosures that relates to this document.
>=20
> If you are listed as a document author or contributor please respond to t=
his
> email regardless of whether or not you are aware of any relevant IPR. *Th=
e
> response needs to be sent to the MPLS wg mailing list.* The document will=
 not
> advance to the next stage until a response has been received from each au=
thor
> and contributor.
>=20
> If you are on the MPLS WG email list but are not listed as an author or
> contributor, then please explicitly respond only if you are aware of any =
IPR
> that has not yet been disclosed in conformance with IETF rules.
>=20
> Thanks, Loa
> (as MPLS WG co-chair)
> --
>=20
>=20
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar 31 00:33:50 2014
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Subject: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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Working Group,

This is to start a two week poll on adopting
draft-george-mpls-ipv6-only-gap as an MPLS working group document.

Please send your comments (support/not support) to the mpls working
group mailing list (mpls@ietf.org). Please give a technical
motivation for your support/not support, especially if you think that
the document should not be adopted as a working group document.

There are no IPR claim against this document.

The authors and contributors has stated on the working group mailing
list that they are not aware of any other IPR claims against this draft.

However if you are on the the mpls working group mailing list and
aware of IPR that relates to this draft, the time to disclose
this is now.

This poll ends April 14, 2014.

/Loa

for the MPLS wg co-chairs

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64


From nobody Mon Mar 31 00:44:15 2014
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Support.

Mark.

On Monday, March 31, 2014 09:33:41 AM Loa Andersson wrote:
> Working Group,
>=20
> This is to start a two week poll on adopting
> draft-george-mpls-ipv6-only-gap as an MPLS working group
> document.
>=20
> Please send your comments (support/not support) to the
> mpls working group mailing list (mpls@ietf.org). Please
> give a technical motivation for your support/not
> support, especially if you think that the document
> should not be adopted as a working group document.
>=20
> There are no IPR claim against this document.
>=20
> The authors and contributors has stated on the working
> group mailing list that they are not aware of any other
> IPR claims against this draft.
>=20
> However if you are on the the mpls working group mailing
> list and aware of IPR that relates to this draft, the
> time to disclose this is now.
>=20
> This poll ends April 14, 2014.
>=20
> /Loa
>=20
> for the MPLS wg co-chairs

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From nobody Mon Mar 31 01:15:08 2014
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From: Mach Chen <mach.chen@huawei.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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Yes/support.

Best regards,
Mach

> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
> Sent: Monday, March 31, 2014 3:34 PM
> To: mpls@ietf.org
> Cc: mpls-chairs@tools.ietf.org; draft-george-mpls-ipv6-only-gap@tools.iet=
f.org
> Subject: [mpls] poll to see if we have consensus to make
> draft-george-mpls-ipv6-only-gap a working group document
>=20
> Working Group,
>=20
> This is to start a two week poll on adopting draft-george-mpls-ipv6-only-=
gap as an
> MPLS working group document.
>=20
> Please send your comments (support/not support) to the mpls working group
> mailing list (mpls@ietf.org). Please give a technical motivation for your
> support/not support, especially if you think that the document should not=
 be
> adopted as a working group document.
>=20
> There are no IPR claim against this document.
>=20
> The authors and contributors has stated on the working group mailing list=
 that
> they are not aware of any other IPR claims against this draft.
>=20
> However if you are on the the mpls working group mailing list and aware o=
f IPR
> that relates to this draft, the time to disclose this is now.
>=20
> This poll ends April 14, 2014.
>=20
> /Loa
>=20
> for the MPLS wg co-chairs
>=20
> --
>=20
>=20
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar 31 09:12:38 2014
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Subject: Re: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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--20cf30334bfd63321a04f5e9517c
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Yes/support.

Regards,
Dhruv (as a contributor)


On Mon, Mar 31, 2014 at 1:03 PM, Loa Andersson <loa@pi.nu> wrote:

> Working Group,
>
> This is to start a two week poll on adopting
> draft-george-mpls-ipv6-only-gap as an MPLS working group document.
>
> Please send your comments (support/not support) to the mpls working
> group mailing list (mpls@ietf.org). Please give a technical
> motivation for your support/not support, especially if you think that
> the document should not be adopted as a working group document.
>
> There are no IPR claim against this document.
>
> The authors and contributors has stated on the working group mailing
> list that they are not aware of any other IPR claims against this draft.
>
> However if you are on the the mpls working group mailing list and
> aware of IPR that relates to this draft, the time to disclose
> this is now.
>
> This poll ends April 14, 2014.
>
> /Loa
>
> for the MPLS wg co-chairs
>
> --
>
>
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>

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<div dir=3D"ltr">Yes/support.<br><br>Regards,<br>Dhruv (as a contributor) <=
/div><div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Mon, =
Mar 31, 2014 at 1:03 PM, Loa Andersson <span dir=3D"ltr">&lt;<a href=3D"mai=
lto:loa@pi.nu" target=3D"_blank">loa@pi.nu</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Working Group,<br>
<br>
This is to start a two week poll on adopting<br>
draft-george-mpls-ipv6-only-<u></u>gap as an MPLS working group document.<b=
r>
<br>
Please send your comments (support/not support) to the mpls working<br>
group mailing list (<a href=3D"mailto:mpls@ietf.org" target=3D"_blank">mpls=
@ietf.org</a>). Please give a technical<br>
motivation for your support/not support, especially if you think that<br>
the document should not be adopted as a working group document.<br>
<br>
There are no IPR claim against this document.<br>
<br>
The authors and contributors has stated on the working group mailing<br>
list that they are not aware of any other IPR claims against this draft.<br=
>
<br>
However if you are on the the mpls working group mailing list and<br>
aware of IPR that relates to this draft, the time to disclose<br>
this is now.<br>
<br>
This poll ends April 14, 2014.<br>
<br>
/Loa<br>
<br>
for the MPLS wg co-chairs<span class=3D"HOEnZb"><font color=3D"#888888"><br=
>
<br>
-- <br>
<br>
<br>
Loa Andersson =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0email: <a href=
=3D"mailto:loa@mail01.huawei.com" target=3D"_blank">loa@mail01.huawei.com</=
a><br>
Senior MPLS Expert =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<a hr=
ef=3D"mailto:loa@pi.nu" target=3D"_blank">loa@pi.nu</a><br>
Huawei Technologies (consultant) =A0 =A0 phone: +46 739 81 21 64<br>
<br>
______________________________<u></u>_________________<br>
mpls mailing list<br>
<a href=3D"mailto:mpls@ietf.org" target=3D"_blank">mpls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" target=3D"_blank">ht=
tps://www.ietf.org/mailman/<u></u>listinfo/mpls</a><br>
</font></span></blockquote></div><br></div>

--20cf30334bfd63321a04f5e9517c--


From nobody Mon Mar 31 09:24:36 2014
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From: "Nagendra Kumar Nainar (naikumar)" <naikumar@cisco.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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Subject: Re: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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Hi,

Yes/Support (as Contributor).

Thanks,
Nagendra

On 3/31/14 3:33 AM, "Loa Andersson" <loa@pi.nu> wrote:

>Working Group,
>
>This is to start a two week poll on adopting
>draft-george-mpls-ipv6-only-gap as an MPLS working group document.
>
>Please send your comments (support/not support) to the mpls working
>group mailing list (mpls@ietf.org). Please give a technical
>motivation for your support/not support, especially if you think that
>the document should not be adopted as a working group document.
>
>There are no IPR claim against this document.
>
>The authors and contributors has stated on the working group mailing
>list that they are not aware of any other IPR claims against this draft.
>
>However if you are on the the mpls working group mailing list and
>aware of IPR that relates to this draft, the time to disclose
>this is now.
>
>This poll ends April 14, 2014.
>
>/Loa
>
>for the MPLS wg co-chairs
>
>--=20
>
>
>Loa Andersson                        email: loa@mail01.huawei.com
>Senior MPLS Expert                          loa@pi.nu
>Huawei Technologies (consultant)     phone: +46 739 81 21 64
>
>_______________________________________________
>mpls mailing list
>mpls@ietf.org
>https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar 31 10:08:35 2014
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Cc: mpls mailing list <mpls@ietf.org>, mpls chair <mpls-chairs@tools.ietf.org>, RFC Editor <rfc-editor@rfc-editor.org>
Subject: [mpls] Protocol Action: 'Allocating and Retiring Special Purpose MPLS Labels' to Proposed Standard (draft-ietf-mpls-special-purpose-labels-06.txt)
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The IESG has approved the following document:
- 'Allocating and Retiring Special Purpose MPLS Labels'
  (draft-ietf-mpls-special-purpose-labels-06.txt) as Proposed Standard

This document is the product of the Multiprotocol Label Switching Working
Group.

The IESG contact persons are Alia Atlas and Adrian Farrel.

A URL of this Internet Draft is:
http://datatracker.ietf.org/doc/draft-ietf-mpls-special-purpose-labels/





Technical Summary

   Some MPLS labels have been allocated for specific purposes.  A block
   of labels (0-15) has been set aside to this end, and are commonly
   called "reserved labels". As there are only 16 of these special purpose 
   labels, caution is needed in the allocation of new special purpose labels,
   yet at the same time allow forward progress when one is called for.

   This document defines new procedures to follow in the allocation and
   retirement of special purpose labels, as well as a method to extend
   the special purpose label space.  Finally, this memo renames the IANA
   registry for these labels to "Special Purpose MPLS Label Values", and
   creates a new one called the "Extended Special Purpose MPLS Label
   Values" registry.

Working Group Summary

  no controversy. Some contructive discussion of the details. 

Document Quality

   The document has been well reviewed, and has been updated to reflect
   comments received in WG last call. Due to the nature of this document it
   needs to be published in final form (as an RFC) prior to implementation
   but authors and reviewers include multiple vendors who would need to 
   implement the extension to the special purpose label space. 

Personnel


   Ross Callon is the document shepherd. The AD for MPLS (Adrian 
   Farrel) is co-author, and so the other routing AD (Alia Atlas) will
   act as responsible AD.  

RFC Editor Note

Please update the Abstract as follows:

OLD
   This memo defines new procedures to follow in the allocation and
   retirement of special purpose labels, as well as a method to extend
   the special purpose label space.
NEW
   This memo defines new procedures to follow in the allocation and
   retirement of special purpose labels, as well as a method to extend
   the special purpose label space and a decription of how to handle 
   extended special purpose labels in the data plane.



From nobody Mon Mar 31 10:16:09 2014
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From: Jeff Tantsura <jeff.tantsura@ericsson.com>
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Subject: Re: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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Yes/support

Cheers,
Jeff




-----Original Message-----
From: Loa Andersson <loa@pi.nu>
Date: Monday, March 31, 2014 12:33 AM
To: "mpls@ietf.org" <mpls@ietf.org>
Cc: "mpls-chairs@tools.ietf.org" <mpls-chairs@tools.ietf.org>,
"draft-george-mpls-ipv6-only-gap@tools.ietf.org"
<draft-george-mpls-ipv6-only-gap@tools.ietf.org>
Subject: [mpls] poll to see if we have consensus to make
draft-george-mpls-ipv6-only-gap a working group document

>Working Group,
>
>This is to start a two week poll on adopting
>draft-george-mpls-ipv6-only-gap as an MPLS working group document.
>
>Please send your comments (support/not support) to the mpls working
>group mailing list (mpls@ietf.org). Please give a technical
>motivation for your support/not support, especially if you think that
>the document should not be adopted as a working group document.
>
>There are no IPR claim against this document.
>
>The authors and contributors has stated on the working group mailing
>list that they are not aware of any other IPR claims against this draft.
>
>However if you are on the the mpls working group mailing list and
>aware of IPR that relates to this draft, the time to disclose
>this is now.
>
>This poll ends April 14, 2014.
>
>/Loa
>
>for the MPLS wg co-chairs
>
>--=20
>
>
>Loa Andersson                        email: loa@mail01.huawei.com
>Senior MPLS Expert                          loa@pi.nu
>Huawei Technologies (consultant)     phone: +46 739 81 21 64
>
>_______________________________________________
>mpls mailing list
>mpls@ietf.org
>https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar 31 11:17:13 2014
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From: "Aissaoui, Mustapha (Mustapha)" <mustapha.aissaoui@alcatel-lucent.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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Subject: Re: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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I support this.

Regards,
Mustapha.

-----Original Message-----
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
Sent: Monday, March 31, 2014 3:34 AM
To: mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org; draft-george-mpls-ipv6-only-gap@tools.ietf.=
org
Subject: [mpls] poll to see if we have consensus to make draft-george-mpls-=
ipv6-only-gap a working group document

Working Group,

This is to start a two week poll on adopting draft-george-mpls-ipv6-only-ga=
p as an MPLS working group document.

Please send your comments (support/not support) to the mpls working group m=
ailing list (mpls@ietf.org). Please give a technical motivation for your su=
pport/not support, especially if you think that the document should not be =
adopted as a working group document.

There are no IPR claim against this document.

The authors and contributors has stated on the working group mailing list t=
hat they are not aware of any other IPR claims against this draft.

However if you are on the the mpls working group mailing list and aware of =
IPR that relates to this draft, the time to disclose this is now.

This poll ends April 14, 2014.

/Loa

for the MPLS wg co-chairs

--=20


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64

_______________________________________________
mpls mailing list
mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar 31 11:18:53 2014
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From: "Henderickx, Wim (Wim)" <wim.henderickx@alcatel-lucent.com>
To: "Aissaoui, Mustapha (Mustapha)" <mustapha.aissaoui@alcatel-lucent.com>, Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>
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Subject: Re: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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+1

On 31/03/14 20:17, "Aissaoui, Mustapha (Mustapha)"
<mustapha.aissaoui@alcatel-lucent.com> wrote:

>I support this.
>
>Regards,
>Mustapha.
>
>-----Original Message-----
>From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
>Sent: Monday, March 31, 2014 3:34 AM
>To: mpls@ietf.org
>Cc: mpls-chairs@tools.ietf.org;
>draft-george-mpls-ipv6-only-gap@tools.ietf.org
>Subject: [mpls] poll to see if we have consensus to make
>draft-george-mpls-ipv6-only-gap a working group document
>
>Working Group,
>
>This is to start a two week poll on adopting
>draft-george-mpls-ipv6-only-gap as an MPLS working group document.
>
>Please send your comments (support/not support) to the mpls working group
>mailing list (mpls@ietf.org). Please give a technical motivation for your
>support/not support, especially if you think that the document should not
>be adopted as a working group document.
>
>There are no IPR claim against this document.
>
>The authors and contributors has stated on the working group mailing list
>that they are not aware of any other IPR claims against this draft.
>
>However if you are on the the mpls working group mailing list and aware
>of IPR that relates to this draft, the time to disclose this is now.
>
>This poll ends April 14, 2014.
>
>/Loa
>
>for the MPLS wg co-chairs
>
>--=20
>
>
>Loa Andersson                        email: loa@mail01.huawei.com
>Senior MPLS Expert                          loa@pi.nu
>Huawei Technologies (consultant)     phone: +46 739 81 21 64
>
>_______________________________________________
>mpls mailing list
>mpls@ietf.org
>https://www.ietf.org/mailman/listinfo/mpls
>
>_______________________________________________
>mpls mailing list
>mpls@ietf.org
>https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar 31 11:22:03 2014
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Cc: mpls mailing list <mpls@ietf.org>, mpls chair <mpls-chairs@tools.ietf.org>, RFC Editor <rfc-editor@rfc-editor.org>
Subject: [mpls] Protocol Action: 'MPLS Transport Profile (MPLS-TP) Linear Protection to Match the Operational Expectations of SDH, OTN and Ethernet Transport Network Operators' to Proposed Standard (draft-ietf-mpls-tp-psc-itu-04.txt)
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The IESG has approved the following document:
- 'MPLS Transport Profile (MPLS-TP) Linear Protection to Match the
   Operational Expectations of SDH, OTN and Ethernet Transport Network
   Operators'
  (draft-ietf-mpls-tp-psc-itu-04.txt) as Proposed Standard

This document is the product of the Multiprotocol Label Switching Working
Group.

The IESG contact persons are Adrian Farrel and Alia Atlas.

A URL of this Internet Draft is:
http://datatracker.ietf.org/doc/draft-ietf-mpls-tp-psc-itu/




Technical Summary

  This document describes alternate mechanisms to perform some of the
  MPLS-TP  linear protection sub-functions defined in RFC 6378. It also defines
  some additional mechanisms.   The purpose of these mechanisms is to closely
  model the behavior of linear protection seen in other transport networks.

  This document also introduces capabilities and modes for linear protection.  
  A capability is an individual behavior, and a mode is a particular combination 
  of capabilities.  Two modes are defined PSC mode and  APS mode.

  The document describes the behavior of the PSC protocol including
  when all the capabilities of the APS mode are enabled. The document
  describes priority logic and the protocol state machine.

  The document updates RFC 6378 in that the capability advertisement
  method defined here is an addition to that document.

Working Group Summary

  This document has a rather long history. It is intended to match the 
  operational practices and methods that have been used by transport 
  network operators prior to the introduction of MPLS. When RFC 6378 was
  progressed it was decided that backwards compatibility with deployed MPLS 
  networks was the priority. 

  Later the discussion on meeting the requirements from transport network
  operators re-emerged and it was decided that the solution should be based
  on RFC 6378. To that end RFC 6378 had to be slightly extended and
  modified. There were 5 capabilities missing in RFC 6378, these were the
  extensions.  There were also cases where relative priority between different
  actions need to be changed, these were the modifications.

  The first approach were to write a single document for each capability (at the
  time it was thought that the capabilities might be activated independently), 
  The discussion in the working group however converged on putting all the
  capabilities in one document.

  The first MPLS Review Team review and the discussion in the working clearly
  indicated a wish to make the merged document a working group document, so
  the chairs initiated a second MPLS Review Team review and took the 
  decision to make it a working group document without running the normal WG
  adoption poll, instead evaluating the discussion on the mailing and their own
  review.  
. 
  The document has, nevertheless been well discussed within the working group.

  After that the document became a working group document there has been a
  good and open discussion on the mailing.

  It is the Shepherds opinion that the document is ready for publication.
      
Document Quality

  An implementation poll has been sent to the working group mailing
  list and the write-up will be updated if and when the information is available.

  There are strong indications of vendor interest.

  There is a long list of important reviewers, especially the MPLS Review Team
  reviewers that contributed the arguments that resulted in the current document
  structure and that also did a careful technical review.

Personnel

  Loa Andersson is the document shepherd
  Adrian Farrel is the responsible AD


From nobody Mon Mar 31 12:06:44 2014
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From: Eric Osborne <eric@notcom.com>
To: Yaacov Weingarten <wyaacov@gmail.com>
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Subject: Re: [mpls] Last Call: <draft-ietf-mpls-psc-updates-03.txt> (Updates to MPLS Transport Profile Linear Protection) to Proposed Standard
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Hi Yaacov-

  Thanks for the review.  I'll fix the typos you point out in 1 and 2c.
As far as the non-typo bits:

----
2. Section 5 is very confusing to me -
       a. My understanding was that the PSC Control Logic always
receives two inputs - one local and one remote and decides on the the
next state based upon these two inputs and the current state of the
Control Logic as defined in the FSM. You, however, state that you need
to explain how the Control Logic should react to different inputs.
After explaining, the two cases of different inputs, you then state
that the reaction to these inputs is already covered in RFC6378, and
what needs to be clarified is the recovery from the input that was
defining the current state! Not sure what you really meant to say, but
it would help if you gave a consistent message throughout as to what
needs to be clarified!
----

Section 5 clarifies the behavior when we have multiple simultaneous
requests from either the Local or Remote logic.  Consider the text
"In both cases the question is not how the PSC Control logic decides
which of these is the one it acts upon.....The point that this section
clears up is around what happens when the highest priority input goes
away.... A strict reading of the FSM would suggest that PSC transition
from PA:F:L into N, and at some future time (perhaps after the remote
request refreshes) PSC would transition from N to PA:F:R.  This is an
unreasonable behavior, as there is no sensible justification for a
node behaving as if things were normal (i.e. N   state) when it is
clear that they are not."

I've had multiple questions around this exact behavior offline, which
is the motivation for the clarification.  Nowhere in rfc6378 do we
make explicit that when a higher priority request goes away, the lower
priority request is evaluated.  A langauge-laywer interpretation of
rfc6378 could lead to incompatible implementations, and since the
behavior I spell out in section 5 is what a sensible implementation
would do anyways, the clarification just helps those who would work
strictly by the book.



---
     b. At some point you state that the Control Logic should remember
the last received local and remote inputs for reevaluation when the
driving input is cleared. But then you go and prove that this is not
necessarily true, since the inputs may change during the interim (went
from R(LO) to R(SF-W)). Therefore, I think that the correct
interpretation should be based on the two current inputs as provided
by the Local Request Logic and Remote Input. What may need to be
corrected is that each of these two units should persist their latest
outputs to continue to be provided as input to the Control Logic.
----

If I disprove my thesis in the course of an example, it is purely by
accident.  I'm not sure I see where you're reading that, though.
Section 5's text that says "What should happen is that the PSC Control
logic should, upon removal of an input, immediately reevaluate all
other inputs to decide on the next course of action.  This requires an
implementation to store the most recent local and remote inputs
regardless of their eventual use as triggers for the PSC Control
Logic" says what I think you are asking for.  Right?  If that's not
sufficient, can you show me exactly where the misleading text is?





eric


On Wed, Mar 26, 2014 at 5:08 PM, Yaacov Weingarten <wyaacov@gmail.com> wrote:
> Hi,
>
> Some comments and nits regarding this draft:
>
> 1. The Abstract states "This document contains four updates to", whereas the
> first statement of the Introduction states "This document contains firve
> updates to" -  so aside from the spelling mistake please align the two
> statements to the correct number of updates.
>
> 2. Section 5 is very confusing to me -
>        a. My understanding was that the PSC Control Logic always receives
> two inputs - one local and one remote and decides on the the next state
> based upon these two inputs and the current state of the Control Logic as
> defined in the FSM. You, however, state that you need to explain how the
> Control Logic should react to different inputs. After explaining, the two
> cases of different inputs, you then state that the reaction to these inputs
> is already covered in RFC6378, and what needs to be clarified is the
> recovery from the input that was defining the current state! Not sure what
> you really meant to say, but it would help if you gave a consistent message
> throughout as to what needs to be clarified!
>      b. At some point you state that the Control Logic should remember the
> last received local and remote inputs for reevaluation when the driving
> input is cleared. But then you go and prove that this is not necessarily
> true, since the inputs may change during the interim (went from R(LO) to
> R(SF-W)). Therefore, I think that the correct interpretation should be based
> on the two current inputs as provided by the Local Request Logic and Remote
> Input. What may need to be corrected is that each of these two units should
> persist their latest outputs to continue to be provided as input to the
> Control Logic.
>      c. Your first example, (in the third paragraph) describes two FS inputs
> (a "local" and "remove" [should be changed to "remote"]) to the Control
> Logic, but then in the fifth paragraph it is a "local SF" that is driving
> the state. Please change this to "local FS".
>
> Hope these help,
> yaacov
>
>
> On Wed, Mar 26, 2014 at 9:57 PM, The IESG <iesg-secretary@ietf.org> wrote:
>>
>>
>> The IESG has received a request from the Multiprotocol Label Switching WG
>> (mpls) to consider the following document:
>> - 'Updates to MPLS Transport Profile Linear Protection'
>>   <draft-ietf-mpls-psc-updates-03.txt> as Proposed Standard
>>
>> The IESG plans to make a decision in the next few weeks, and solicits
>> final comments on this action. Please send substantive comments to the
>> ietf@ietf.org mailing lists by 2014-04-09. Exceptionally, comments may be
>> sent to iesg@ietf.org instead. In either case, please retain the
>> beginning of the Subject line to allow automated sorting.
>>
>> Abstract
>>
>>    This document contains four updates to the Protection State
>>    Coordination (PSC) logic defined in RFC6378, "MPLS Transport Profile
>>    (MPLS-TP) Linear Protection" . Two of the updates correct existing
>>    behavior.  The third clarifies a behavior which was not explained in
>>    the RFC, and the fourth adds rules around handling capabilities
>>    mismatches.
>>
>>
>> The file can be obtained via
>> http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/
>>
>> IESG discussion can be tracked via
>> http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/ballot/
>>
>> No IPR declarations have been submitted directly on this I-D.
>>
>> _______________________________________________
>> mpls mailing list
>> mpls@ietf.org
>> https://www.ietf.org/mailman/listinfo/mpls
>
>
>
>
> --
> Thanx and BR,
> yaacov
>
> Still looking for new opportunity
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>


From nobody Mon Mar 31 12:08:58 2014
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From: Eric Osborne <eric@notcom.com>
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Subject: Re: [mpls] Last Call: <draft-ietf-mpls-psc-updates-03.txt> (Updates to MPLS Transport Profile Linear Protection) to Proposed Standard
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Hello Adrian, WG-

  I propose this:

Malformed TLV: reject the message and vigorously report it
Unknown TLV type: report the TLV, ignore the TLV and process the rest
of the message

I'm open to other opinions, though.




eric

On Wed, Mar 26, 2014 at 4:33 PM, Adrian Farrel <adrian@olddog.co.uk> wrote:
> Hi,
>
> I have one issue I want to bring up as a last call comment. I discussed it
> briefly with Eric and we agreed it is something that needs wider discussion than
> just a late editorial change.
>
> Currently 6378 does not describe the format of PSC TLVs and
> draft-ietf-mpls-tp-itu introduces one without defining the format tightly.
> Therefore, this document contains a simple statement of the fields and meanings
> in a TLV.
>
> However, 6378 also does not state how to handle:
> - a malformed TLV
> - an unknown TLV type
>
> We need to add some simple text to cover this.
>
> Options for each of the above are:
> - ignore the TLV but process the message
> - report the TLV but ignore the TLV and process the message
> - ignore the message
> - report the message but ignore it
> - reject the message
>
> Thanks,
> Adrian
>
>> -----Original Message-----
>> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of The IESG
>> Sent: 26 March 2014 19:57
>> To: IETF-Announce
>> Cc: mpls@ietf.org
>> Subject: [mpls] Last Call: <draft-ietf-mpls-psc-updates-03.txt> (Updates to
> MPLS
>> Transport Profile Linear Protection) to Proposed Standard
>>
>>
>> The IESG has received a request from the Multiprotocol Label Switching WG
>> (mpls) to consider the following document:
>> - 'Updates to MPLS Transport Profile Linear Protection'
>>   <draft-ietf-mpls-psc-updates-03.txt> as Proposed Standard
>>
>> The IESG plans to make a decision in the next few weeks, and solicits
>> final comments on this action. Please send substantive comments to the
>> ietf@ietf.org mailing lists by 2014-04-09. Exceptionally, comments may be
>> sent to iesg@ietf.org instead. In either case, please retain the
>> beginning of the Subject line to allow automated sorting.
>>
>> Abstract
>>
>>    This document contains four updates to the Protection State
>>    Coordination (PSC) logic defined in RFC6378, "MPLS Transport Profile
>>    (MPLS-TP) Linear Protection" . Two of the updates correct existing
>>    behavior.  The third clarifies a behavior which was not explained in
>>    the RFC, and the fourth adds rules around handling capabilities
>>    mismatches.
>>
>>
>> The file can be obtained via
>> http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/
>>
>> IESG discussion can be tracked via
>> http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/ballot/
>>
>> No IPR declarations have been submitted directly on this I-D.
>>
>> _______________________________________________
>> mpls mailing list
>> mpls@ietf.org
>> https://www.ietf.org/mailman/listinfo/mpls
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


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Subject: [mpls] RFC 7190 on Use of Multipath with MPLS and MPLS Transport Profile (MPLS-TP)
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A new Request for Comments is now available in online RFC libraries.

        
        RFC 7190

        Title:      Use of Multipath with MPLS 
                    and MPLS Transport Profile (MPLS-TP) 
        Author:     C. Villamizar
        Status:     Informational
        Stream:     IETF
        Date:       March 2014
        Mailbox:    curtis@occnc.com
        Pages:      15
        Characters: 36633
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-mpls-multipath-use-04.txt

        URL:        http://www.rfc-editor.org/rfc/rfc7190.txt

Many MPLS implementations have supported multipath techniques, and
many MPLS deployments have used multipath techniques, particularly in
very high-bandwidth applications, such as provider IP/MPLS core
networks.  MPLS Transport Profile (MPLS-TP) has strongly discouraged
the use of multipath techniques.  Some degradation of MPLS-TP
Operations, Administration, and Maintenance (OAM) performance cannot
be avoided when operating over many types of multipath
implementations.

Using MPLS Entropy Labels (RFC 6790), MPLS Label Switched Paths
(LSPs) can be carried over multipath links while also providing a
fully MPLS-TP-compliant server layer for MPLS-TP LSPs.  This document
describes the means of supporting MPLS as a server layer for MPLS-TP.
The use of MPLS-TP LSPs as a server layer for MPLS LSPs is also
discussed.

This document is a product of the Multiprotocol Label Switching Working Group of the IETF.


INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution of
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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: "'Eric Osborne'" <eric@notcom.com>
References: <08fb01cf4932$a0b51c50$e21f54f0$@olddog.co.uk> <CA+97oKNeKjAn5DmxTkFQPx6ifYeUaWYgMqUfT7EG=TH6yf48Nw@mail.gmail.com>
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Date: Mon, 31 Mar 2014 21:16:17 +0100
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Cc: mpls@ietf.org, ietf@ietf.org
Subject: Re: [mpls] Last Call: <draft-ietf-mpls-psc-updates-03.txt> (Updates to MPLS Transport Profile Linear Protection) to Proposed Standard
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Thanks Eric,

"reject the message" means send some form of error response?
Or do you mean "drop the message" and "vigorously report it"?

Thanks,
Adrian

> -----Original Message-----
> From: Eric Osborne [mailto:eric@notcom.com]
> Sent: 31 March 2014 20:09
> To: Adrian Farrel
> Cc: ietf@ietf.org; mpls@ietf.org
> Subject: Re: [mpls] Last Call: <draft-ietf-mpls-psc-updates-03.txt> (Updates
to
> MPLS Transport Profile Linear Protection) to Proposed Standard
> 
> Hello Adrian, WG-
> 
>   I propose this:
> 
> Malformed TLV: reject the message and vigorously report it
> Unknown TLV type: report the TLV, ignore the TLV and process the rest
> of the message
> 
> I'm open to other opinions, though.
> 
> 
> 
> 
> eric
> 
> On Wed, Mar 26, 2014 at 4:33 PM, Adrian Farrel <adrian@olddog.co.uk> wrote:
> > Hi,
> >
> > I have one issue I want to bring up as a last call comment. I discussed it
> > briefly with Eric and we agreed it is something that needs wider discussion
than
> > just a late editorial change.
> >
> > Currently 6378 does not describe the format of PSC TLVs and
> > draft-ietf-mpls-tp-itu introduces one without defining the format tightly.
> > Therefore, this document contains a simple statement of the fields and
> meanings
> > in a TLV.
> >
> > However, 6378 also does not state how to handle:
> > - a malformed TLV
> > - an unknown TLV type
> >
> > We need to add some simple text to cover this.
> >
> > Options for each of the above are:
> > - ignore the TLV but process the message
> > - report the TLV but ignore the TLV and process the message
> > - ignore the message
> > - report the message but ignore it
> > - reject the message
> >
> > Thanks,
> > Adrian
> >
> >> -----Original Message-----
> >> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of The IESG
> >> Sent: 26 March 2014 19:57
> >> To: IETF-Announce
> >> Cc: mpls@ietf.org
> >> Subject: [mpls] Last Call: <draft-ietf-mpls-psc-updates-03.txt> (Updates to
> > MPLS
> >> Transport Profile Linear Protection) to Proposed Standard
> >>
> >>
> >> The IESG has received a request from the Multiprotocol Label Switching WG
> >> (mpls) to consider the following document:
> >> - 'Updates to MPLS Transport Profile Linear Protection'
> >>   <draft-ietf-mpls-psc-updates-03.txt> as Proposed Standard
> >>
> >> The IESG plans to make a decision in the next few weeks, and solicits
> >> final comments on this action. Please send substantive comments to the
> >> ietf@ietf.org mailing lists by 2014-04-09. Exceptionally, comments may be
> >> sent to iesg@ietf.org instead. In either case, please retain the
> >> beginning of the Subject line to allow automated sorting.
> >>
> >> Abstract
> >>
> >>    This document contains four updates to the Protection State
> >>    Coordination (PSC) logic defined in RFC6378, "MPLS Transport Profile
> >>    (MPLS-TP) Linear Protection" . Two of the updates correct existing
> >>    behavior.  The third clarifies a behavior which was not explained in
> >>    the RFC, and the fourth adds rules around handling capabilities
> >>    mismatches.
> >>
> >>
> >> The file can be obtained via
> >> http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/
> >>
> >> IESG discussion can be tracked via
> >> http://datatracker.ietf.org/doc/draft-ietf-mpls-psc-updates/ballot/
> >>
> >> No IPR declarations have been submitted directly on this I-D.
> >>
> >> _______________________________________________
> >> mpls mailing list
> >> mpls@ietf.org
> >> https://www.ietf.org/mailman/listinfo/mpls
> >
> > _______________________________________________
> > mpls mailing list
> > mpls@ietf.org
> > https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar 31 15:12:05 2014
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From: Gregory Mirsky <gregory.mirsky@ericsson.com>
To: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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Subject: Re: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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yes/support

	Regards,
		Greg

-----Original Message-----
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
Sent: Monday, March 31, 2014 12:34 AM
To: mpls@ietf.org
Cc: mpls-chairs@tools.ietf.org; draft-george-mpls-ipv6-only-gap@tools.ietf.=
org
Subject: [mpls] poll to see if we have consensus to make draft-george-mpls-=
ipv6-only-gap a working group document

Working Group,

This is to start a two week poll on adopting draft-george-mpls-ipv6-only-ga=
p as an MPLS working group document.

Please send your comments (support/not support) to the mpls working group m=
ailing list (mpls@ietf.org). Please give a technical motivation for your su=
pport/not support, especially if you think that the document should not be =
adopted as a working group document.

There are no IPR claim against this document.

The authors and contributors has stated on the working group mailing list t=
hat they are not aware of any other IPR claims against this draft.

However if you are on the the mpls working group mailing list and aware of =
IPR that relates to this draft, the time to disclose this is now.

This poll ends April 14, 2014.

/Loa

for the MPLS wg co-chairs

--=20


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64

_______________________________________________
mpls mailing list
mpls@ietf.org
https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar 31 16:53:33 2014
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From: "Nobo Akiya (nobo)" <nobo@cisco.com>
To: Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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Subject: Re: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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Yes/Support.

-Nobo

> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
> Sent: Monday, March 31, 2014 3:34 AM
> To: mpls@ietf.org
> Cc: mpls-chairs@tools.ietf.org; draft-george-mpls-ipv6-only-
> gap@tools.ietf.org
> Subject: [mpls] poll to see if we have consensus to make draft-george-mpl=
s-
> ipv6-only-gap a working group document
>=20
> Working Group,
>=20
> This is to start a two week poll on adopting draft-george-mpls-ipv6-only-=
gap
> as an MPLS working group document.
>=20
> Please send your comments (support/not support) to the mpls working
> group mailing list (mpls@ietf.org). Please give a technical motivation fo=
r
> your support/not support, especially if you think that the document shoul=
d
> not be adopted as a working group document.
>=20
> There are no IPR claim against this document.
>=20
> The authors and contributors has stated on the working group mailing list
> that they are not aware of any other IPR claims against this draft.
>=20
> However if you are on the the mpls working group mailing list and aware o=
f
> IPR that relates to this draft, the time to disclose this is now.
>=20
> This poll ends April 14, 2014.
>=20
> /Loa
>=20
> for the MPLS wg co-chairs
>=20
> --
>=20
>=20
> Loa Andersson                        email: loa@mail01.huawei.com
> Senior MPLS Expert                          loa@pi.nu
> Huawei Technologies (consultant)     phone: +46 739 81 21 64
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Mon Mar 31 17:22:56 2014
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Thread-Topic: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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From: Dorian Davis <davis.dorian@aim.com>
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Cc: mpls-chairs@tools.ietf.org, draft-george-mpls-ipv6-only-gap@tools.ietf.org
Subject: Re: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document
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Yes/support. 

------------------
Dorian Davis
davis.dorian@aim.com


-----Original Message-----
From: Loa Andersson <loa@pi.nu>
To: mpls <mpls@ietf.org>
Cc: mpls-chairs <mpls-chairs@tools.ietf.org>; draft-george-mpls-ipv6-only-gap <draft-george-mpls-ipv6-only-gap@tools.ietf.org>
Sent: Mon, Mar 31, 2014 01:03 PM
Subject: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document



<div id="AOLMsgPart_1_52b69ea0-0d01-4ee5-9caf-41e49efdc51b" style="margin: 0px;font-family: Tahoma, Verdana, Arial, Sans-Serif;font-size: 12px;color: #000;background-color: #fff;">

<pre style="font-size: 9pt;"><tt>Working Group,

This is to start a two week poll on adopting
draft-george-mpls-ipv6-only-gap as an MPLS working group document.

Please send your comments (support/not support) to the mpls working
group mailing list (<a href="mailto:mpls@ietf.org">mpls@ietf.org</a>). Please give a technical
motivation for your support/not support, especially if you think that
the document should not be adopted as a working group document.

There are no IPR claim against this document.

The authors and contributors has stated on the working group mailing
list that they are not aware of any other IPR claims against this draft.

However if you are on the the mpls working group mailing list and
aware of IPR that relates to this draft, the time to disclose
this is now.

This poll ends April 14, 2014.

/Loa

for the MPLS wg co-chairs

-- 


Loa Andersson                        email: <a href="mailto:loa@mail01.huawei.com">loa@mail01.huawei.com</a>
Senior MPLS Expert                          <a href="mailto:loa@pi.nu">loa@pi.nu</a>
Huawei Technologies (consultant)     phone: +46 739 81 21 64

_______________________________________________
mpls mailing list
<a href="mailto:mpls@ietf.org">mpls@ietf.org</a>
<a href="https://www.ietf.org/mailman/listinfo/mpls" target="_blank">https://www.ietf.org/mailman/listinfo/mpls</a>
</tt></pre>
</div> <!-- end of AOLMsgPart_1_52b69ea0-0d01-4ee5-9caf-41e49efdc51b -->

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Yes/support.&nbsp;<br><br>------------------<br>Dorian Davis<br>davis.dorian@aim.com<br><br><br>-----Original Message-----<br>From: Loa Andersson &lt;loa@pi.nu&gt;<br>To: mpls &lt;mpls@ietf.org&gt;<br>Cc: mpls-chairs &lt;mpls-chairs@tools.ietf.org&gt;; draft-george-mpls-ipv6-only-gap &lt;draft-george-mpls-ipv6-only-gap@tools.ietf.org&gt;<br>Sent: Mon, Mar 31, 2014 01:03 PM<br>Subject: [mpls] poll to see if we have consensus to make draft-george-mpls-ipv6-only-gap a working group document<br><br><br>
<div id="AOLMsgPart_1_52b69ea0-0d01-4ee5-9caf-41e49efdc51b" style="margin: 0px;font-family: Tahoma, Verdana, Arial, Sans-Serif;font-size: 12px;color: #000;background-color: #fff;">

<pre style="font-size: 9pt;"><tt>Working Group,

This is to start a two week poll on adopting
draft-george-mpls-ipv6-only-gap as an MPLS working group document.

Please send your comments (support/not support) to the mpls working
group mailing list (<a href="mailto:mpls@ietf.org">mpls@ietf.org</a>). Please give a technical
motivation for your support/not support, especially if you think that
the document should not be adopted as a working group document.

There are no IPR claim against this document.

The authors and contributors has stated on the working group mailing
list that they are not aware of any other IPR claims against this draft.

However if you are on the the mpls working group mailing list and
aware of IPR that relates to this draft, the time to disclose
this is now.

This poll ends April 14, 2014.

/Loa

for the MPLS wg co-chairs

-- 


Loa Andersson                        email: <a href="mailto:loa@mail01.huawei.com">loa@mail01.huawei.com</a>
Senior MPLS Expert                          <a href="mailto:loa@pi.nu">loa@pi.nu</a>
Huawei Technologies (consultant)     phone: +46 739 81 21 64

_______________________________________________
mpls mailing list
<a href="mailto:mpls@ietf.org">mpls@ietf.org</a>
<a href="https://www.ietf.org/mailman/listinfo/mpls" target="_blank">https://www.ietf.org/mailman/listinfo/mpls</a>
</tt></pre>
</div> <!-- end of AOLMsgPart_1_52b69ea0-0d01-4ee5-9caf-41e49efdc51b -->

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