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Cc: mpls@ietf.org, draft-ietf-mpls-rfc6374-udp-return-path@ietf.org, mpls-chairs@ietf.org
Subject: [mpls] Last Call: <draft-ietf-mpls-rfc6374-udp-return-path-04.txt> (RFC6374 UDP Return Path) 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:
- 'RFC6374 UDP Return Path'
  <draft-ietf-mpls-rfc6374-udp-return-path-04.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 2015-12-15. 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 specifies the procedure to be used by the Packet Loss
   and Delay Measurement for MPLS Networks protocol defined in RFC6374
   when sending and processing MPLS performance management out-of-band
   responses for delay and loss measurements over an IP/UDP return path.




The file can be obtained via
https://datatracker.ietf.org/doc/draft-ietf-mpls-rfc6374-udp-return-path/

IESG discussion can be tracked via
https://datatracker.ietf.org/doc/draft-ietf-mpls-rfc6374-udp-return-path/ballot/


No IPR declarations have been submitted directly on this I-D.



From nobody Tue Dec  1 18:12:34 2015
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From: Gregory Mirsky <gregory.mirsky@ericsson.com>
To: Huaimo Chen <huaimo.chen@huawei.com>, "draft-ietf-teas-rsvp-egress-protection@tools.ietf.org" <draft-ietf-teas-rsvp-egress-protection@tools.ietf.org>, "teas-chairs@ietf.org" <teas-chairs@ietf.org>, "teas@ietf.org" <teas@ietf.org>
Thread-Topic: [mpls] Comments to draft-ietf-teas-rsvp-egress-protection
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Date: Wed, 2 Dec 2015 02:12:15 +0000
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Subject: Re: [mpls] Comments to draft-ietf-teas-rsvp-egress-protection
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Hi Huaimo, et. al,
apologies for such very late response. I've read the -02 version and below =
you'll find my notes to changes I've found. My responses to our discussion =
are in-line and tagged GIM>>.
Notes to -02 version:

*         section 5.1 states
   A backup egress SHOULD be configured on the ingress of an LSP to
   protect a primary egress of the LSP.
Are there scenario when this SHOULD NOT be done, when the backup egress(es)=
 are not configured?
And if this is such strong requirement, then the same is applicable to the =
next sentence that currently reads as "...optional egress backup descriptor=
 list for protecting egresses of the LSP". I think that the descriptor list=
 SHOULD be included in the Path message by the ingress.

*         section 5.2 states:
   If the transit node is the upstream node of a primary egress to be
   protected, it determines the backup egress, obtains a path for the
   backup LSP and sets up the backup LSP along the path.
Which, in my view, contradicts with the statement in section 5.1 that backu=
p egress(es) SHOULD be configured at LSP ingress.



                Regards,
                                Greg

From: Huaimo Chen [mailto:huaimo.chen@huawei.com]
Sent: Monday, April 13, 2015 8:19 PM
To: Gregory Mirsky; draft-ietf-teas-rsvp-egress-protection@tools.ietf.org; =
teas-chairs@ietf.org; teas@ietf.org
Cc: mpls@ietf.org; rtg-bfd@ietf.org
Subject: RE: [mpls] Comments to draft-ietf-teas-rsvp-egress-protection

Hi Greg,

Thanks for your comments.
My answers/explanations are inline below.

Best Regards,
Huaimo
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Gregory Mirsky
Sent: Monday, April 13, 2015 2:58 PM
To: draft-ietf-teas-rsvp-egress-protection@tools.ietf.org<mailto:draft-ietf=
-teas-rsvp-egress-protection@tools.ietf.org>; teas-chairs@ietf.org<mailto:t=
eas-chairs@ietf.org>; teas@ietf.org<mailto:teas@ietf.org>
Cc: mpls@ietf.org<mailto:mpls@ietf.org>; rtg-bfd@ietf.org<mailto:rtg-bfd@ie=
tf.org>
Subject: [mpls] Comments to draft-ietf-teas-rsvp-egress-protection

Dear Editors,
please kindly consider my comments to the current version of this work:

*         Introduction

o   The third paragraph mentions that an end-to-end protection may be slowe=
r to detect failure and perform switchover then an arbitrary local protecti=
on method. I believe that that is not the case and, as been demonstrated by=
 deployments of G.8031, G.8032 and RFC 6378 end-to-end provides sub-50 msec=
 switchover and G.8013/Y.1731 and RFC 5884 failure detection is 10 msec.
[Huaimo] It seems that the statement in the paragraph is true.  For a globa=
l protection (or an end-to-end protection), it may take more time since the=
 time includes the propagation time and processing time. The propagation ti=
me may depend on the size of the network. In general, the bigger the networ=
k, the longer the propagation delay. The processing time may comprise the r=
elated processing time on every node along the path from the egress node to=
 a node interesting the failure and doing switchover.
GIM>> I think that distance, whether in number of intermediate hops or mile=
s, does not affect guaranteed defect detection time when continuity check p=
rotocol being used. In that case detection time depends only on definition =
of Loss of Continuity defect for the given protocol. For example, in CFM it=
 is period of time between 3.25 and 3.5 CCM intervals when no CCM received =
from remote MEP. BFD is little different and DetectMultiplier can be negoti=
ated between end points of the given BFD session. But regardless of these d=
ifferences, using CFM or BFD enables detection of LoC defect within 10 ms r=
egardless of the distance between end-points.

o   The last in Section 1.1 suggests that node R3 may detect failure of the=
 node L1 through monitoring BFD session between two nodes. Firstly, if this=
 is multi-hop BFD session over IP network, then there's no guarantee that i=
ts path is co-routed with the LSP segment R1-L3. Secondly, if it is assumed=
 that RFC 5884 may be used, I have to remind, that RFC 5884 operates betwee=
n LSP end points and R1 is not end point. Thus, Sub-Path Maintenance Entity=
 (SPME) co-routed with the segment R1-L3 MUST be established.
[Huaimo] It seems that R3 is the upstream node of L1 and there is no multi-=
hop BFD session between R3 and L1.
This current version of the document focuses on extending the protection of=
 RFC 4090 from a transit node to an egress node. It seems that it is better=
 to have another document for others if needed.
GIM>> I couldn't find in the document statement that the PLR R3 MUST be ups=
tream to the egress. If this is the requirement, then it must be explicitly=
 stated as, in my view, it is restrictive and limits number of networks whe=
re proposed method can be used.

*         Section 5.2

o   The third paragraph assumes that if a PLR cannot establish LSP to any l=
isted LSR in the EGRESS_BACKUP object it SHOULD select it locally and recor=
d it in the EGRESS_BACKUP object. I believe that that implies that a PLR, i=
.e. any LSR in the MPLS domain is aware of all services, i.e. CEs, as that =
is required when selecting backup egress. That is serious security concern =
and must be properly addressed in Security Considerations section of the dr=
aft.
[Huaimo] This paragraph says that the upstream node of the primary egress k=
nows/determines that  there is not any backup egress given for the primary =
egress. In this case, the upstream node selects a backup egress according t=
o a local policy. The upstream node may not need to be aware of any service=
s or CEs.
GIM>> As commented above to section 5.2, this contradicts statement made in=
 section 5.1 that backup egress(es) SHOULD be configured at LSP ingress.


Regards,
                Greg

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<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Hi Huaimo, et. al,<o:p=
></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">apologies for such ver=
y late response. I&#8217;ve read the -02 version and below you&#8217;ll fin=
d my notes to changes I&#8217;ve found. My responses to our discussion are =
in-line and tagged GIM&gt;&gt;.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Notes to -02 version:<=
o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l1 level=
1 lfo3"><![if !supportLists]><span style=3D"font-family:Symbol;color:#1F497=
D"><span style=3D"mso-list:Ignore">&middot;<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"color:#1F497D">section 5.1 st=
ates<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">&nbsp;&nbsp; A backup egress SHOULD be configured on the ingress of an=
 LSP to<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">&nbsp;&nbsp; protect a primary egress of the LSP.<o:p></o:p></span></p=
>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">Are there scenario when this SHOULD NOT be done, when the backup egres=
s(es) are not configured?<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">And if this is such strong requirement, then the same is applicable to=
 the next sentence that currently reads as &#8220;&#8230;optional egress ba=
ckup descriptor list for protecting egresses of the
 LSP&#8221;. I think that the descriptor list SHOULD be included in the Pat=
h message by the ingress.<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l1 level=
1 lfo3"><![if !supportLists]><span style=3D"font-family:Symbol;color:#1F497=
D"><span style=3D"mso-list:Ignore">&middot;<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"color:#1F497D">section 5.2 st=
ates:<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">&nbsp;&nbsp; If the transit node is the upstream node of a primary egr=
ess to be<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">&nbsp;&nbsp; protected, it determines the backup egress, obtains a pat=
h for the<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">&nbsp;&nbsp; backup LSP and sets up the backup LSP along the path.<o:p=
></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">Which, in my view, contradicts with the statement in section 5.1 that =
backup egress(es) SHOULD be configured at LSP ingress.<o:p></o:p></span></p=
>
<p class=3D"MsoListParagraph"><span style=3D"color:#1F497D"><o:p>&nbsp;</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">&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Regard=
s,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">&nbsp;&nbsp;&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; Greg<o:p></o:p></span></p>
<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;"> Huaimo C=
hen [mailto:huaimo.chen@huawei.com]
<br>
<b>Sent:</b> Monday, April 13, 2015 8:19 PM<br>
<b>To:</b> Gregory Mirsky; draft-ietf-teas-rsvp-egress-protection@tools.iet=
f.org; teas-chairs@ietf.org; teas@ietf.org<br>
<b>Cc:</b> mpls@ietf.org; rtg-bfd@ietf.org<br>
<b>Subject:</b> RE: [mpls] Comments to draft-ietf-teas-rsvp-egress-protecti=
on<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"color:#1F497D">Hi Greg,<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal" style=3D"text-indent:9.6pt"><span style=3D"color:#1F=
497D">Thanks for your comments.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:9.6pt"><span style=3D"color:#1F=
497D">My answers/explanations are inline below.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:9.6pt"><span style=3D"color:#1F=
497D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Best Regards,<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Huaimo<o:p></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;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Gregory Mirsky<br>
<b>Sent:</b> Monday, April 13, 2015 2:58 PM<br>
<b>To:</b> <a href=3D"mailto:draft-ietf-teas-rsvp-egress-protection@tools.i=
etf.org">
draft-ietf-teas-rsvp-egress-protection@tools.ietf.org</a>; <a href=3D"mailt=
o:teas-chairs@ietf.org">
teas-chairs@ietf.org</a>; <a href=3D"mailto:teas@ietf.org">teas@ietf.org</a=
><br>
<b>Cc:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>; <a href=3D"m=
ailto:rtg-bfd@ietf.org">
rtg-bfd@ietf.org</a><br>
<b>Subject:</b> [mpls] Comments to draft-ietf-teas-rsvp-egress-protection<o=
:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Dear Editors,<o:p></o:p></p>
<p class=3D"MsoNormal">please kindly consider my comments to the current ve=
rsion of this work:<o:p></o:p></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l0 level=
1 lfo2"><![if !supportLists]><span style=3D"font-family:Symbol"><span style=
=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &quot;Times New Roma=
n&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]>Introduction<o:p></o:p></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:1.0in;text-indent:-.25in=
;mso-list:l0 level2 lfo2">
<![if !supportLists]><span style=3D"font-family:&quot;Courier New&quot;"><s=
pan style=3D"mso-list:Ignore">o<span style=3D"font:7.0pt &quot;Times New Ro=
man&quot;">&nbsp;&nbsp;
</span></span></span><![endif]>The third paragraph mentions that an end-to-=
end protection may be slower to detect failure and perform switchover then =
an arbitrary local protection method. I believe that that is not the case a=
nd, as been demonstrated by deployments
 of G.8031, G.8032 and RFC 6378 end-to-end provides sub-50 msec switchover =
and G.8013/Y.1731 and RFC 5884 failure detection is 10 msec.<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Huaimo] It seems that=
 the statement in the paragraph is true. &nbsp;For a global protection (or =
an end-to-end protection), it may take more time since the time includes th=
e propagation time and processing time. The
 propagation time may depend on the size of the network. In general, the bi=
gger the network, the longer the propagation delay. The processing time may=
 comprise the related processing time on every node along the path from the=
 egress node to a node interesting
 the failure and doing switchover. <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">GIM&gt;&gt; I think th=
at distance, whether in number of intermediate hops or miles, does not affe=
ct guaranteed defect detection time when continuity check protocol being us=
ed. In that case detection time depends only
 on definition of Loss of Continuity defect for the given protocol. For exa=
mple, in CFM it is period of time between 3.25 and 3.5 CCM intervals when n=
o CCM received from remote MEP. BFD is little different and DetectMultiplie=
r can be negotiated between end
 points of the given BFD session. But regardless of these differences, usin=
g CFM or BFD enables detection of LoC defect within 10 ms regardless of the=
 distance between end-points.<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:1.0in;text-indent:-.25in=
;mso-list:l0 level2 lfo2">
<![if !supportLists]><span style=3D"font-family:&quot;Courier New&quot;"><s=
pan style=3D"mso-list:Ignore">o<span style=3D"font:7.0pt &quot;Times New Ro=
man&quot;">&nbsp;&nbsp;
</span></span></span><![endif]>The last in Section 1.1 suggests that node R=
3 may detect failure of the node L1 through monitoring BFD session between =
two nodes. Firstly, if this is multi-hop BFD session over IP network, then =
there&#8217;s no guarantee that its path
 is co-routed with the LSP segment R1-L3. Secondly, if it is assumed that R=
FC 5884 may be used, I have to remind, that RFC 5884 operates between LSP e=
nd points and R1 is not end point. Thus, Sub-Path Maintenance Entity (SPME)=
 co-routed with the segment R1-L3
 MUST be established. <o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Huaimo] It seems that=
 R3 is the upstream node of L1 and there is no multi-hop BFD session betwee=
n R3 and L1.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">This current version o=
f the document focuses on extending the protection of RFC 4090 from a trans=
it node to an egress node. It seems that it is better to have another docum=
ent for others if needed.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">GIM&gt;&gt; I couldn&#=
8217;t find in the document statement that the PLR R3 MUST be upstream to t=
he egress. If this is the requirement, then it must be explicitly stated as=
, in my view, it is restrictive and limits number
 of networks where proposed method can be used.<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l0 level=
1 lfo2"><![if !supportLists]><span style=3D"font-family:Symbol"><span style=
=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &quot;Times New Roma=
n&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]>Section 5.2<o:p></o:p></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:1.0in;text-indent:-.25in=
;mso-list:l0 level2 lfo2">
<![if !supportLists]><span style=3D"font-family:&quot;Courier New&quot;"><s=
pan style=3D"mso-list:Ignore">o<span style=3D"font:7.0pt &quot;Times New Ro=
man&quot;">&nbsp;&nbsp;
</span></span></span><![endif]>The third paragraph assumes that if a PLR ca=
nnot establish LSP to any listed LSR in the EGRESS_BACKUP object it SHOULD =
select it locally and record it in the EGRESS_BACKUP object. I believe that=
 that implies that a PLR, i.e. any
 LSR in the MPLS domain is aware of all services, i.e. CEs, as that is requ=
ired when selecting backup egress. That is serious security concern and mus=
t be properly addressed in Security Considerations section of the draft.<o:=
p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Huaimo] This paragrap=
h says that the upstream node of the primary egress knows/determines that &=
nbsp;there is not any backup egress given for the primary egress. In this c=
ase, the upstream node selects a backup egress
 according to a local policy. The upstream node may not need to be aware of=
 any services or CEs. &nbsp;&nbsp;</span><span style=3D"color:#1F497D"><o:p=
></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">GIM&gt;&gt; As comment=
ed above to section 5.2, this contradicts statement made in section 5.1 tha=
t backup egress(es) SHOULD be configured at LSP ingress.<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">&nbsp;<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in">Regards,<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Greg<o:p>=
</o:p></p>
</div>
</body>
</html>

--_000_7347100B5761DC41A166AC17F22DF1122194CF4Deusaamb103erics_--


From nobody Wed Dec  2 00:54:04 2015
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Subject: [mpls] I-D Action: draft-ietf-mpls-tp-temporal-hitless-psm-08.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           : Enhanced path segment monitoring
        Authors         : Alessandro D'Alessandro
                          Loa Andersson
                          Manuel Paul
                          Satoshi Ueno
                          Kaoru Arai
                          Yoshinori Koike
	Filename        : draft-ietf-mpls-tp-temporal-hitless-psm-08.txt
	Pages           : 16
	Date            : 2015-12-02

Abstract:
   The MPLS transport profile (MPLS-TP) has been standardized to enable
   carrier-grade packet transport and to complement converged packet
   network deployments.  The most attractive features of MPLS-TP are the
   OAM functions.  These functions enable maintenance tools that may be
   exploited by network operators and service providers for fault
   location, survivability, performance monitoring, in-service and out-
   of-service measurements.

   One of the most important mechanisms that is common for transport
   network operation is fault localisation.  A segment monitoring
   function of a transport path is effective in terms of extension of
   the maintenance work and indispensable, particularly when the OAM
   function is activated only between end points.  However, the current
   approach defined for MPLS-TP of segment monitoring has some
   drawbacks.  This document elaborates on the problem statement for the
   Sub-path Maintenance Elements (SPMEs) which provide monitoring of a
   segment of a set of transport paths (LSPs or MS-PWs).  Based on the
   identified problems, this document provides considerations for the
   specification of new requirements to consider a new improved
   mechanism for hitless transport path segment monitoring to be named
   Enhanced Path Segment Monitoring (EPSM).


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-tp-temporal-hitless-psm/

There's also a htmlized version available at:
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A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-tp-temporal-hitless-psm-08


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.

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From: Cociglio Mauro <mauro.cociglio@telecomitalia.it>
To: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: R: Poll for adoption for draft-bryant-mpls-flow-ident-03
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I support.

Mauro Cociglio



___________________
Mauro Cociglio
Telecom Italia
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Da: mpls [mailto:mpls-bounces@ietf.org] Per conto di Ross Callon
Inviato: marted=EC 24 novembre 2015 21:29
A: mpls@ietf.org<mailto:mpls@ietf.org>
Cc: mpls-chairs@ietf.org<mailto:mpls-chairs@ietf.org>
Oggetto: [mpls] Poll for adoption for draft-bryant-mpls-flow-ident-03

This is to start a poll on adopting draft-bryant-mpls-flow-ident-03 as an M=
PLS working group
document. Because this poll will occur over the US thanksgiving holiday, it=
 will be extended
to three weeks.

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

There are no IPR disclosures pertaining to the draft. The authors have all =
indicated that
they are not aware of any IPR that applies to this document. The authors ha=
ve also pointed
out that one of the documents referenced by draft-bryant-mpls-flow-ident-03=
 does have an
IPR declaration against it.

This poll for adoption will end Wednesday December 16, 2015.

Thanks, Ross


Questo messaggio e i suoi allegati sono indirizzati esclusivamente alle per=
sone indicate. La diffusione, copia o qualsiasi altra azione derivante dall=
a conoscenza di queste informazioni sono rigorosamente vietate. Qualora abb=
iate ricevuto questo documento per errore siete cortesemente pregati di dar=
ne immediata comunicazione al mittente e di provvedere alla sua distruzione=
, Grazie.

This e-mail and any attachments is confidential and may contain privileged =
information intended for the addressee(s) only. Dissemination, copying, pri=
nting or use by anybody else is unauthorised. If you are not the intended r=
ecipient, please delete this message and any attachments and advise the sen=
der by return e-mail, Thanks.

[rispetta l'ambiente]Rispetta l'ambiente. Non stampare questa mail se non =
=E8 necessario.


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<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Se=
goe UI&quot;,&quot;sans-serif&quot;">I support.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Se=
goe UI&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Se=
goe UI&quot;,&quot;sans-serif&quot;">Mauro Cociglio<o:p></o:p></span></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Segoe UI&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></b></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;"><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;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"IT">___________________<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span lang=3D"IT">Mauro Cociglio<o:p></o:p></span></=
p>
<p class=3D"MsoNormal"><span lang=3D"IT">Telecom Italia<o:p></o:p></span></=
p>
<p class=3D"MsoNormal"><span lang=3D"IT">Via G. Reiss Romoli, 274<o:p></o:p=
></span></p>
<p class=3D"MsoNormal"><span lang=3D"IT">10148 - Torino (Italy)<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span lang=3D"IT">Tel.: &#43;390112285028<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span lang=3D"IT">Mobile: &#43;393357669751<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span lang=3D"IT">___________________<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Segoe UI&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></b></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Segoe UI&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></b></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Segoe UI&quot;,&quot;sans-serif&quot;">Da:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;"> mpls [=
</span><span lang=3D"IT" style=3D"font-size:10.0pt;font-family:&quot;Segoe =
UI&quot;,&quot;sans-serif&quot;"><a href=3D"mailto:mpls-bounces@ietf.org"><=
span lang=3D"EN-GB">mailto:mpls-bounces@ietf.org</span></a></span><span sty=
le=3D"font-size:10.0pt;font-family:&quot;Segoe UI&quot;,&quot;sans-serif&qu=
ot;">]
<b>Per conto di </b>Ross Callon<br>
<b>Inviato:</b> marted=EC 24 novembre 2015 21:29<br>
<b>A:</b> </span><span lang=3D"IT" style=3D"font-size:10.0pt;font-family:&q=
uot;Segoe UI&quot;,&quot;sans-serif&quot;"><a href=3D"mailto:mpls@ietf.org"=
><span lang=3D"EN-GB">mpls@ietf.org</span></a></span><span style=3D"font-si=
ze:10.0pt;font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;"><br>
<b>Cc:</b> </span><span lang=3D"IT" style=3D"font-size:10.0pt;font-family:&=
quot;Segoe UI&quot;,&quot;sans-serif&quot;"><a href=3D"mailto:mpls-chairs@i=
etf.org"><span lang=3D"EN-GB">mpls-chairs@ietf.org</span></a></span><span s=
tyle=3D"font-size:10.0pt;font-family:&quot;Segoe UI&quot;,&quot;sans-serif&=
quot;"><br>
<b>Oggetto:</b> [mpls] Poll for adoption for draft-bryant-mpls-flow-ident-0=
3<o:p></o:p></span></p>
<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;">This is to start a poll on adopting dra=
ft-bryant-mpls-flow-ident-03 as an 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;">document. Because this poll will occur =
over the US thanksgiving holiday, it will be extended
<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;">to three weeks.
<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;">&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;">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 (</span><span lang=3D"IT" =
style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&=
quot;"><a href=3D"mailto:mpls@ietf.org"><span lang=3D"EN-GB">mpls@ietf.org<=
/span></a></span><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&=
quot;,&quot;sans-serif&quot;">).<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;">&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;">There are no IPR disclosures pertaining=
 to the draft. The authors have all indicated that
<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;">they are not aware of any IPR that appl=
ies to this document. The authors have also pointed
<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;">out that one of the documents reference=
d by draft-bryant-mpls-flow-ident-03 does have an<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;">IPR declaration against 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;">&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;">This poll for adoption will end Wednesd=
ay December 16, 2015.
<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;">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"IT" style=3D"font-size:11.0pt;font-fam=
ily:&quot;Calibri&quot;,&quot;sans-serif&quot;">Thanks, Ross<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span lang=3D"IT" style=3D"font-size:11.0pt;font-fam=
ily:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
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Questo messaggio e i suoi allegati sono indirizzati esclusivamente alle per=
sone indicate. La diffusione, copia o qualsiasi
 altra azione derivante dalla conoscenza di queste informazioni sono rigoro=
samente vietate. Qualora abbiate ricevuto questo documento per errore siete=
 cortesemente pregati di darne immediata comunicazione al mittente e di pro=
vvedere alla sua distruzione, Grazie.
</span></span></div>
<p align=3D"justify"><span class=3D"MsoNormal" style=3D"text-align:justify;=
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From nobody Wed Dec  2 01:39:25 2015
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Subject: Re: [mpls] I-D Action: draft-ietf-mpls-rmr-00.txt
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Hi Kireeti,

As to the core problem which the below draft attempts to solve (ring
topologies) can you please explain any advantage of introducing such heavy
additional complexity into both control and data plane when the problem has
been already solved over a decade ago ?

Moreover it has been shipping in commercial implementations of at least one
major vendor. It is called Remote Loop-Free Alternate (LFA) Fast Reroute
(FRR).

Notice also that Remote LFAs is an IETF Stadards Track formal RFC #7490
which your draft does not even reference.

https://tools.ietf.org/html/rfc7490

Also as you may observe Remote LFA already uses either MPLS transport with
vanilla LDP or pure IP transport and its configuration is few simple lines
of the cli.

Aren't we in general suppose to optimize opex a bit these days and use
existing technologies rather then reinventing the wheel over and over :) ?

Best,
R.


On Mon, Nov 2, 2015 at 8:04 AM, <internet-drafts@ietf.org> wrote:

>
> 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           : Resilient MPLS Rings
>         Authors         : Kireeti Kompella
>                           Luis M. Contreras
>         Filename        : draft-ietf-mpls-rmr-00.txt
>         Pages           : 14
>         Date            : 2015-11-01
>
> Abstract:
>    This document describes the use of the MPLS control and data planes
>    on ring topologies.  It describes the special nature of rings, and
>    proceeds to show how MPLS can be effectively used in such topologies.
>    It describes how MPLS rings are configured, auto-discovered and
>    signaled, as well as how the data plane works.  Companion documents
>    describe the details of discovery and signaling for specific
>    protocols.
>
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-mpls-rmr/
>
> There's also a htmlized version available at:
> https://tools.ietf.org/html/draft-ietf-mpls-rmr-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/
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>

--047d7bd91af2de5f3b0525e70b3d
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:arial,he=
lvetica,sans-serif;font-size:small">Hi Kireeti,</div><div class=3D"gmail_de=
fault" style=3D"font-family:arial,helvetica,sans-serif;font-size:small"><br=
></div><div class=3D"gmail_default" style=3D"font-family:arial,helvetica,sa=
ns-serif;font-size:small">As to the core problem which the below draft atte=
mpts to solve (ring topologies) can you please explain any advantage of int=
roducing such heavy additional complexity into both control and data plane =
when the problem has been already solved over a decade ago ?</div><div clas=
s=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-serif;font-si=
ze:small"><br></div><div class=3D"gmail_default" style=3D"font-family:arial=
,helvetica,sans-serif;font-size:small">Moreover it has been shipping in com=
mercial implementations of at least one major vendor. It is called Remote L=
oop-Free Alternate (LFA) Fast Reroute (FRR).</div><div class=3D"gmail_defau=
lt" style=3D"font-family:arial,helvetica,sans-serif;font-size:small"><br></=
div><div class=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-=
serif;font-size:small">Notice also that Remote LFAs is an IETF Stadards Tra=
ck formal RFC #7490 which your draft does not even reference.</div><div cla=
ss=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-serif;font-s=
ize:small"><br></div><div class=3D"gmail_default" style=3D""><font face=3D"=
arial, helvetica, sans-serif"><a href=3D"https://tools.ietf.org/html/rfc749=
0">https://tools.ietf.org/html/rfc7490</a></font><br></div><div class=3D"gm=
ail_default" style=3D""><font face=3D"arial, helvetica, sans-serif"><br></f=
ont></div><div class=3D"gmail_default" style=3D""><font face=3D"arial, helv=
etica, sans-serif">Also as you may observe Remote LFA already uses either M=
PLS transport with vanilla LDP or pure IP transport and its configuration i=
s few simple lines of the cli.=C2=A0</font></div><div class=3D"gmail_defaul=
t" style=3D""><font face=3D"arial, helvetica, sans-serif"><br></font></div>=
<div class=3D"gmail_default" style=3D""><span style=3D"font-family:arial,he=
lvetica,sans-serif">Aren&#39;t we in general suppose to optimize opex a bit=
 these days and use existing technologies rather then reinventing the wheel=
 over and over :) ?=C2=A0</span><br></div><div class=3D"gmail_default" styl=
e=3D""><font face=3D"arial, helvetica, sans-serif"><br></font></div><div cl=
ass=3D"gmail_default" style=3D""><font face=3D"arial, helvetica, sans-serif=
">Best,</font></div><div class=3D"gmail_default" style=3D""><font face=3D"a=
rial, helvetica, sans-serif">R.</font></div><div class=3D"gmail_default" st=
yle=3D""><font face=3D"arial, helvetica, sans-serif"><br></font></div></div=
><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Mon, Nov 2, 2=
015 at 8:04 AM,  <span dir=3D"ltr">&lt;<a href=3D"mailto:internet-drafts@ie=
tf.org" target=3D"_blank">internet-drafts@ietf.org</a>&gt;</span> wrote:<br=
><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex"><br>
A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.<br>
=C2=A0This draft is a work item of the Multiprotocol Label Switching Workin=
g Group of the IETF.<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Title=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:=
 Resilient MPLS Rings<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Authors=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: Kire=
eti Kompella<br>
=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 Luis M. Contreras<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Filename=C2=A0 =C2=A0 =C2=A0 =C2=A0 : draft-iet=
f-mpls-rmr-00.txt<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Pages=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:=
 14<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Date=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 :=
 2015-11-01<br>
<br>
Abstract:<br>
=C2=A0 =C2=A0This document describes the use of the MPLS control and data p=
lanes<br>
=C2=A0 =C2=A0on ring topologies.=C2=A0 It describes the special nature of r=
ings, and<br>
=C2=A0 =C2=A0proceeds to show how MPLS can be effectively used in such topo=
logies.<br>
=C2=A0 =C2=A0It describes how MPLS rings are configured, auto-discovered an=
d<br>
=C2=A0 =C2=A0signaled, as well as how the data plane works.=C2=A0 Companion=
 documents<br>
=C2=A0 =C2=A0describe the details of discovery and signaling for specific<b=
r>
=C2=A0 =C2=A0protocols.<br>
<br>
<br>
<br>
The IETF datatracker status page for this draft is:<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-mpls-rmr/" rel=3D"no=
referrer" target=3D"_blank">https://datatracker.ietf.org/doc/draft-ietf-mpl=
s-rmr/</a><br>
<br>
There&#39;s also a htmlized version available at:<br>
<a href=3D"https://tools.ietf.org/html/draft-ietf-mpls-rmr-00" rel=3D"noref=
errer" target=3D"_blank">https://tools.ietf.org/html/draft-ietf-mpls-rmr-00=
</a><br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at <a href=3D"http://tool=
s.ietf.org" rel=3D"noreferrer" target=3D"_blank">tools.ietf.org</a>.<br>
<br>
Internet-Drafts are also available by anonymous FTP at:<br>
<a href=3D"ftp://ftp.ietf.org/internet-drafts/" rel=3D"noreferrer" target=
=3D"_blank">ftp://ftp.ietf.org/internet-drafts/</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" rel=3D"noreferrer" t=
arget=3D"_blank">https://www.ietf.org/mailman/listinfo/mpls</a><br>
</blockquote></div><br></div>

--047d7bd91af2de5f3b0525e70b3d--


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Cc: "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, "mpls@ietf.org" <mpls@ietf.org>, "draft-chandra-mpls-ri-rsvp-frr@ietf.org" <draft-chandra-mpls-ri-rsvp-frr@ietf.org>, Guijuan Wang 3 <guijuan.wang@ericsson.com>, Lizhong Jin <lizho.jin@gmail.com>
Subject: Re: [mpls] MPLS-RT review of draft-chandra-mpls-ri-rsvp-frr
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From: Guijuan Wang 3 <guijuan.wang@ericsson.com>
To: Chandrasekar Ramachandran <csekar@juniper.net>, "draft-chandra-mpls-ri-rsvp-frr@ietf.org" <draft-chandra-mpls-ri-rsvp-frr@ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
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Subject: Re: [mpls] MPLS-RT review of draft-chandra-mpls-ri-rsvp-frr
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Subject: [mpls] MPLS-RT review of draft-smack-mpls-rfc4379bis
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Date: Sun, 6 Dec 2015 14:22:49 +0800
From: "lizho.jin@gmail.com" <lizho.jin@gmail.com>
To: draft-smack-mpls-rfc4379bis <draft-smack-mpls-rfc4379bis@ietf.org>
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Subject: Re: [mpls] MPLS-RT review od draft-smack-mpls-rfc4379bis
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charse=
t=3DUTF-8"><style>body { line-height: 1.5; }blockquote { margin-top: 0px; =
margin-bottom: 0px; margin-left: 0.5em; }body { font-size: 10.5pt; font-fa=
mily: 'Times New Roman'; color: rgb(0, 0, 0); line-height: 1.5; }body { fo=
nt-size: 10.5pt; font-family: 'Times New Roman'; color: rgb(0, 0, 0); line=
-height: 1.5; }</style></head><body>=0A<div><span></span>Hi, all</div><div=
>This is an updated draft of RFC4379, and most of content is same as 4379.=
 So yes, it should be adopted as WG document.</div><div>Except the to do l=
ist which still needs further evaluation, only very minor comments as belo=
w:</div><div><span style=3D"font-family: &quot;" times=3D"" new=3D"" roman=
'";=3D"" font-size:=3D"" 14px;=3D"" color:=3D"" rgb(0,=3D"" 0,=3D"" 0);=3D=
"" background-color:=3D"" rgba(0,=3D"" font-weight:=3D"" normal;=3D"" font=
-style:=3D"" normal;text-decoration:=3D"" none;'=3D"">1. Obsoletes: 4379, =
6829 (if approved)=0A<br>Why 6829 is listed, but 7506 is not?=0A<br>=0A<br=
>2. Throughout the document, "echo request" and "Echo Request"(section 3.3=
), "echo reply" and "Echo Reply"(section 4.4) are used. Shall we have a un=
iformed type?&nbsp;<br></span></div>=0A<div><br></div><hr style=3D"width: =
210px; height: 1px;" color=3D"#b5c4df" size=3D"1" align=3D"left">=0A<div><=
span><div style=3D"MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"><d=
iv>Regards</div><div>Lizhong</div></div></span></div>=0A<blockquote style=
=3D"margin-top: 0px; margin-bottom: 0px; margin-left: 0.5em;"><div>&nbsp;<=
/div><div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0p=
t 0cm 0cm 0cm"><div style=3D"PADDING-RIGHT: 8px; PADDING-LEFT: 8px; FONT-S=
IZE: 12px;FONT-FAMILY:tahoma;COLOR:#000000; BACKGROUND: #efefef; PADDING-B=
OTTOM: 8px; PADDING-TOP: 8px"><div><b>From:</b>&nbsp;<a href=3D"mailto:loa=
@pi.nu">Loa Andersson</a></div><div><b>Date:</b>&nbsp;2015-11-20&nbsp;10:1=
9</div><div><b>To:</b>&nbsp;<a href=3D"mailto:lizho.jin@gmail.com">Lizhong=
 Jin</a>; <a href=3D"mailto:yshen@juniper.net">yshen</a>; <a href=3D"mailt=
o:curtis@occnc.com">Curtis Villamizar</a>; <a href=3D"mailto:david.i.allan=
@ericsson.com">David Allan I</a></div><div><b>CC:</b>&nbsp;<a href=3D"mail=
to:draft-smack-mpls-rfc4379bis@ietf.org">draft-smack-mpls-rfc4379bis@ietf.=
org</a>; <a href=3D"mailto:mpls-chairs@ietf.org">mpls-chairs@ietf.org</a><=
/div><div><b>Subject:</b>&nbsp;MPLS-RT review od draft-smack-mpls-rfc4379b=
is</div></div></div><div><div>Lizhong, Yimin, Curtis, and&nbsp; Dave,</div=
>=0A<div>&nbsp;</div>=0A<div>&nbsp;</div>=0A<div>You have been selected as=
 MPLS-RT reviewers for draft-smack-mpls-rfc4379bis.</div>=0A<div>&nbsp;</d=
iv>=0A<div>Note to authors: You have been CC'd on this email so that you c=
an know</div>=0A<div>that this review is going on. However, please do not =
review your own</div>=0A<div>document.</div>=0A<div>&nbsp;</div>=0A<div>Re=
views should comment on whether the document is coherent, is it</div>=0A<d=
iv>useful (ie, is it likely to be actually useful in operational networks)=
, </div>=0A<div>and is the document technically sound?</div>=0A<div>&nbsp;=
</div>=0A<div>We are interested in knowing whether the document is ready t=
o be</div>=0A<div>considered for WG adoption (ie, it doesn't have to be pe=
rfect at this</div>=0A<div>point, but should be a good start).</div>=0A<di=
v>&nbsp;</div>=0A<div>This MPLS-RT review is a bit different in that it is=
 a bis-version of</div>=0A<div>a widely implemented and deployed protocol,=
 however the basic question</div>=0A<div>is the same - are we ready to ado=
pt it as a wg document? If the meet</div>=0A<div>all the criteria LSP Ping=
 will be progressed to Internet Standard.</div>=0A<div>&nbsp;</div>=0A<div=
>Reviews should be sent to the document authors, WG co-chairs and WG</div>=
=0A<div>secretary, and CC'd to the MPLS WG email list. If necessary, comme=
nts</div>=0A<div>may be sent privately to only the WG chairs.</div>=0A<div=
>&nbsp;</div>=0A<div>If you have technical comments you should try to be e=
xplicit about what</div>=0A<div>needs to be resolved before adopting it as=
 a working group document, and</div>=0A<div>what can wait until the docume=
nt is a working group document and the</div>=0A<div>working group has the =
revision control.</div>=0A<div>&nbsp;</div>=0A<div>Are you able to review =
this draft by December 6, 2015? Please respond</div>=0A<div>in a timely fa=
shion.</div>=0A<div>&nbsp;</div>=0A<div>Thanks, Loa</div>=0A<div>(as MPLS =
WG chair)</div>=0A<div>&nbsp;</div>=0A<div>&nbsp;</div>=0A<div>-- </div>=
=0A<div>&nbsp;</div>=0A<div>&nbsp;</div>=0A<div>Loa Andersson&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; email: loa@mail01.huaw=
ei.com</div>=0A<div>Senior MPLS Expert&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; loa@pi.nu</div>=0A<div>Huawei Tec=
hnologies (consultant)&nbsp;&nbsp;&nbsp;&nbsp; phone: +46 739 81 21 64</di=
v>=0A</div></blockquote>=0A</body></html>
------=_001_NextPart126078720234_=------


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From: "Carlos Pignataro (cpignata)" <cpignata@cisco.com>
To: Yimin Shen <yshen@juniper.net>
Thread-Topic: MPLS-RT review of draft-smack-mpls-rfc4379bis
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Subject: Re: [mpls] MPLS-RT review of draft-smack-mpls-rfc4379bis
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Yemen,

> On Dec 4, 2015, at 4:17 PM, Yimin Shen <yshen@juniper.net> wrote:
>=20
> Hi authors,
>=20
> I was selected as a reviewer for the draft-smack-mpls-rfc4379bis, and =
I have completed my review.

Thanks for your review.

>=20
> I think this draft is useful, providing an overdue update for RFC =
4379, which is the base RFC of a widely deployed protocol in MPLS =
networks.

Thanks for this summary!

>=20
> One issue I have is that the draft is still specifying the packet =
format and mechanisms based on the Downstream Mapping TLV, which has =
been deprecated by the Downstream Detailed Mapping TLV defined by RFC =
6424. I notice the section 1.5 where it briefly mentions the evaluation =
of incorporating some new RFCs to this draft. But it is unclear to me =
what the decision will be, whether the draft would stop here to provide =
just backward compatibility or it will take further steps to incorporate =
RFC 6424. So, before the draft is adopted, I'd like to see draft =
progress a little further on the to-do list and give and clearer =
strategy on this.
>=20

It=E2=80=99s the other way around=E2=80=A6 we are waiting for adoption =
before making those changes, so that we can adequately write based on wg =
direction. This is as far as we got with an individual draft.

We plan on making these updates of DS/DDS, etc, after adoption.

Thanks!

=E2=80=94 Carlos.

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


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From: "Carlos Pignataro (cpignata)" <cpignata@cisco.com>
To: Lizhong Jin <lizho.jin@gmail.com>
Thread-Topic: MPLS-RT review od draft-smack-mpls-rfc4379bis
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Subject: Re: [mpls] MPLS-RT review od draft-smack-mpls-rfc4379bis
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> On Dec 6, 2015, at 1:22 AM, lizho.jin@gmail.com wrote:
>=20
> Hi, all
> This is an updated draft of RFC4379, and most of content is same as =
4379. So yes, it should be adopted as WG document.

Thanks, Lizhong.

> Except the to do list which still needs further evaluation, only very =
minor comments as below:
> 1. Obsoletes: 4379, 6829 (if approved)
> Why 6829 is listed, but 7506 is not?
>=20
> 2. Throughout the document, "echo request" and "Echo Request"(section =
3.3), "echo reply" and "Echo Reply"(section 4.4) are used. Shall we have =
a uniformed type?

I agree with both and have captured them for after adoption.

Thanks,

=E2=80=94 Carlos.

>=20
> Regards
> Lizhong
>=20
> From: Loa Andersson <mailto:loa@pi.nu>
> Date: 2015-11-20 10:19
> To: Lizhong Jin <mailto:lizho.jin@gmail.com>; yshen =
<mailto:yshen@juniper.net>; Curtis Villamizar <mailto:curtis@occnc.com>; =
David Allan I <mailto:david.i.allan@ericsson.com>
> CC: draft-smack-mpls-rfc4379bis@ietf.org =
<mailto:draft-smack-mpls-rfc4379bis@ietf.org>; mpls-chairs@ietf.org =
<mailto:mpls-chairs@ietf.org>
> Subject: MPLS-RT review od draft-smack-mpls-rfc4379bis
> Lizhong, Yimin, Curtis, and  Dave,
>=20
>=20
> You have been selected as MPLS-RT reviewers for =
draft-smack-mpls-rfc4379bis.
>=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
> 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?
>=20
> 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
> This MPLS-RT review is a bit different in that it is a bis-version of
> a widely implemented and deployed protocol, however the basic question
> is the same - are we ready to adopt it as a wg document? If the meet
> all the criteria LSP Ping will be progressed to Internet Standard.
>=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
> If you have technical comments you should try to be explicit about =
what
> needs to be resolved before adopting it as a working group document, =
and
> what can wait until the document is a working group document and the
> working group has the revision control.
>=20
> Are you able to review this draft by December 6, 2015? Please respond
> in a timely fashion.
>=20
> Thanks, Loa
> (as MPLS WG chair)
>=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


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><div class=3D""><br class=3D""></div><div =
class=3D""><div><blockquote type=3D"cite" class=3D""><div class=3D"">On =
Dec 6, 2015, at 1:22 AM, <a href=3D"mailto:lizho.jin@gmail.com" =
class=3D"">lizho.jin@gmail.com</a> wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div =
style=3D"font-family: 'Times New Roman'; font-size: 14px; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
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;" class=3D""><span =
class=3D""></span>Hi, all</div><div style=3D"font-family: 'Times New =
Roman'; font-size: 14px; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: 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;" =
class=3D"">This is an updated draft of RFC4379, and most of content is =
same as 4379. So yes, it should be adopted as WG =
document.</div></div></blockquote><div><br class=3D""></div>Thanks, =
Lizhong.<div class=3D""><br class=3D""></div><blockquote type=3D"cite" =
class=3D""><div class=3D""><div style=3D"font-family: 'Times New Roman'; =
font-size: 14px; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: 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;" =
class=3D"">Except the to do list which still needs further evaluation, =
only very minor comments as below:</div><div style=3D"font-family: =
'Times New Roman'; font-size: 14px; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: 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;" class=3D""><span =
timesnewroman??;font-size:14px;color:rgb(0,0,0);background-color:rgba(0,fo=
nt-weight:normal;font-style:normal;text-decoration:none;?=3D"" =
style=3D"font-family: '} ';" class=3D"">1. Obsoletes: 4379, 6829 (if =
approved)<span class=3D"Apple-converted-space">&nbsp;</span><br =
class=3D"">Why 6829 is listed, but 7506 is not?<span =
class=3D"Apple-converted-space">&nbsp;</span><br class=3D""><br =
class=3D"">2. Throughout the document, "echo request" and "Echo =
Request"(section 3.3), "echo reply" and "Echo Reply"(section 4.4) are =
used. Shall we have a uniformed type?&nbsp;<br =
class=3D""></span></div></div></blockquote><div><br =
class=3D""></div><div>I agree with both and have captured them for after =
adoption.</div><div><br class=3D""></div><div>Thanks,</div><div><br =
class=3D""></div><div>=E2=80=94 Carlos.</div><br class=3D""><blockquote =
type=3D"cite" class=3D""><div class=3D""><div style=3D"font-family: =
'Times New Roman'; font-size: 14px; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: 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;" class=3D""><br class=3D""></div><hr size=3D"1" align=3D"left" =
style=3D"font-family: 'Times New Roman'; font-size: 14px; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
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; width: 210px; height: 1px;" =
class=3D""><div style=3D"font-family: 'Times New Roman'; font-size: =
14px; font-style: normal; font-variant: normal; font-weight: normal; =
letter-spacing: 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;" class=3D""><span =
class=3D""><div style=3D"margin: 10px; font-family: verdana; font-size: =
10pt;" class=3D""><div class=3D"">Regards</div><div =
class=3D"">Lizhong</div></div></span></div><blockquote =
style=3D"margin-top: 0px; margin-bottom: 0px; margin-left: 0.5em; =
font-family: 'Times New Roman'; font-size: 14px; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: 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;" class=3D""><div =
class=3D"">&nbsp;</div><div style=3D"border-style: solid none none; =
border-top-color: rgb(181, 196, 223); border-top-width: 1pt; padding: =
3pt 0cm 0cm;" class=3D""><div style=3D"padding: 8px; font-size: 12px; =
font-family: tahoma; background-color: rgb(239, 239, 239);" =
class=3D""><div class=3D""><b class=3D"">From:</b>&nbsp;<a =
href=3D"mailto:loa@pi.nu" class=3D"">Loa Andersson</a></div><div =
class=3D""><b class=3D"">Date:</b>&nbsp;2015-11-20&nbsp;10:19</div><div =
class=3D""><b class=3D"">To:</b>&nbsp;<a =
href=3D"mailto:lizho.jin@gmail.com" class=3D"">Lizhong Jin</a>;<span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:yshen@juniper.net" class=3D"">yshen</a>;<span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:curtis@occnc.com" class=3D"">Curtis Villamizar</a>;<span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:david.i.allan@ericsson.com" class=3D"">David Allan =
I</a></div><div class=3D""><b class=3D"">CC:</b>&nbsp;<a =
href=3D"mailto:draft-smack-mpls-rfc4379bis@ietf.org" =
class=3D"">draft-smack-mpls-rfc4379bis@ietf.org</a>;<span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:mpls-chairs@ietf.org" =
class=3D"">mpls-chairs@ietf.org</a></div><div class=3D""><b =
class=3D"">Subject:</b>&nbsp;MPLS-RT review od =
draft-smack-mpls-rfc4379bis</div></div></div><div class=3D""><div =
class=3D"">Lizhong, Yimin, Curtis, and&nbsp; Dave,</div><div =
class=3D"">&nbsp;</div><div class=3D"">&nbsp;</div><div class=3D"">You =
have been selected as MPLS-RT reviewers for =
draft-smack-mpls-rfc4379bis.</div><div class=3D"">&nbsp;</div><div =
class=3D"">Note to authors: You have been CC'd on this email so that you =
can know</div><div class=3D"">that this review is going on. However, =
please do not review your own</div><div class=3D"">document.</div><div =
class=3D"">&nbsp;</div><div class=3D"">Reviews should comment on whether =
the document is coherent, is it</div><div class=3D"">useful (ie, is it =
likely to be actually useful in operational networks),<span =
class=3D"Apple-converted-space">&nbsp;</span></div><div class=3D"">and =
is the document technically sound?</div><div class=3D"">&nbsp;</div><div =
class=3D"">We are interested in knowing whether the document is ready to =
be</div><div class=3D"">considered for WG adoption (ie, it doesn't have =
to be perfect at this</div><div class=3D"">point, but should be a good =
start).</div><div class=3D"">&nbsp;</div><div class=3D"">This MPLS-RT =
review is a bit different in that it is a bis-version of</div><div =
class=3D"">a widely implemented and deployed protocol, however the basic =
question</div><div class=3D"">is the same - are we ready to adopt it as =
a wg document? If the meet</div><div class=3D"">all the criteria LSP =
Ping will be progressed to Internet Standard.</div><div =
class=3D"">&nbsp;</div><div class=3D"">Reviews should be sent to the =
document authors, WG co-chairs and WG</div><div class=3D"">secretary, =
and CC'd to the MPLS WG email list. If necessary, comments</div><div =
class=3D"">may be sent privately to only the WG chairs.</div><div =
class=3D"">&nbsp;</div><div class=3D"">If you have technical comments =
you should try to be explicit about what</div><div class=3D"">needs to =
be resolved before adopting it as a working group document, =
and</div><div class=3D"">what can wait until the document is a working =
group document and the</div><div class=3D"">working group has the =
revision control.</div><div class=3D"">&nbsp;</div><div class=3D"">Are =
you able to review this draft by December 6, 2015? Please =
respond</div><div class=3D"">in a timely fashion.</div><div =
class=3D"">&nbsp;</div><div class=3D"">Thanks, Loa</div><div =
class=3D"">(as MPLS WG chair)</div><div class=3D"">&nbsp;</div><div =
class=3D"">&nbsp;</div><div class=3D"">--<span =
class=3D"Apple-converted-space">&nbsp;</span></div><div =
class=3D"">&nbsp;</div><div class=3D"">&nbsp;</div><div class=3D"">Loa =
Andersson&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
email: <a href=3D"mailto:loa@mail01.huawei.com" =
class=3D"">loa@mail01.huawei.com</a></div><div class=3D"">Senior MPLS =
Expert&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; <a href=3D"mailto:loa@pi.nu" class=3D"">loa@pi.nu</a></div><div =
class=3D"">Huawei Technologies (consultant)&nbsp;&nbsp;&nbsp;&nbsp; =
phone: +46 739 81 21 =
64</div></div></blockquote></div></blockquote></div><br =
class=3D""></div></body></html>=

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From nobody Sun Dec  6 17:19:17 2015
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Subject: [mpls] I-D Action: draft-ietf-mpls-tp-linear-protection-mib-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           : MPLS Transport Profile Linear Protection MIB
        Authors         : Kingston Smiler Selvaraj
                          Mahalingam Venkatesan
                          Vishwas Manral
                          Daniel King
                          Sam Aldrin
                          Jeong-dong Ryoo
	Filename        : draft-ietf-mpls-tp-linear-protection-mib-06.txt
	Pages           : 39
	Date            : 2015-12-06

Abstract:
   This memo defines a portion of the Management Information Base (MIB)
   for use with network management protocols.  In particular it defines
   objects for managing MPLS Transport Profile (MPLS-TP) Linear
   Protection.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-tp-linear-protection-mib/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-mpls-tp-linear-protection-mib-06

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-tp-linear-protection-mib-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 Mon Dec  7 08:12:05 2015
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From: David Allan I <david.i.allan@ericsson.com>
To: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: RE: draft-smack-mpls-rfc4379bis
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Subject: [mpls] FW: RE: draft-smack-mpls-rfc4379bis
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Cc'd the MPLS list as quested
-------------------------------------------------
HI Loa:

I've read it though and will state up front, that as a next step in the sta=
ndards process (bis version), I'm applying a tougher standard to the docume=
nt and looking at this as more of a "last call". Even more so as it is OAM =
and therefore IMO requires a high degree of interoperability to be useful. =
As pretty much all of this is from the original document and outside the sc=
ope of what has been proposed (errata incorporation
etc.) and likely just complicates life, you can take it with "a grain of sa=
lt".

My chief concern with the document is that the language is very non specifi=
c and vague, and what I would expect to say "this is..."=20
typically says "this might...".  I appreciate that much of this originates =
with the original RFC 4379, but for a BIS I would expect it to be cleaned u=
p.

Some examples:
"An MPLS echo request with 1 (Do not reply) in the Reply Mode field  may be=
 used for one-way connectivity tests;". IMO it is not a "may be", it "is" u=
sed for one way connectivity tests. If there is no reply, what else are you=
 going to do.

"Sub-TLVs have  independent types and MUST also be 4-octet aligned.=20
Two examples follow."  The examples would appear to be a normative definiti=
on of the ONLY sub-TLVs that are defined in this I-D. Other RFCs (e.g. VCCV=
) may define more, but these are the ones defined here, they are NOT exampl=
es.


And finally....
I'm hoping I'm reading this incorrectly, but assuming my read IS correct, I=
t is obviously far far too late to change it but the FEC stack would have b=
een easier to use if it listed the FECs from BOS to TOS, and not TOS to BOS=
 as it is described now.  An intermediate LSR would need to count from BOS =
backwards given the depth of the current stack would be arbitrary at any in=
termediate LSR. Should have caught that years ago....

All of this being said, I have no idea what leeway in an IETF bis that one =
has to fix editorial and style issues. Meanwhile I do consider correcting t=
he references and applying all errata to be a useful step.

Cheers
Dave


From nobody Thu Dec 10 14:39:55 2015
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From: Ross Callon <rcallon@juniper.net>
To: "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Poll for adoption for draft-bryant-mpls-flow-ident-03
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Cc: "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>
Subject: Re: [mpls] Poll for adoption for draft-bryant-mpls-flow-ident-03
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Just a reminder that this poll is still going on, and will close next Wedne=
sday.

Thanks, Ross

_____________________________________________
From: Ross Callon
Sent: Tuesday, November 24, 2015 3:29 PM
To: mpls@ietf.org
Cc: mpls-chairs@ietf.org
Subject: Poll for adoption for draft-bryant-mpls-flow-ident-03


This is to start a poll on adopting draft-bryant-mpls-flow-ident-03 as an M=
PLS working group
document. Because this poll will occur over the US thanksgiving holiday, it=
 will be extended
to three weeks.

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

There are no IPR disclosures pertaining to the draft. The authors have all =
indicated that
they are not aware of any IPR that applies to this document. The authors ha=
ve also pointed
out that one of the documents referenced by draft-bryant-mpls-flow-ident-03=
 does have an
IPR declaration against it.

This poll for adoption will end Wednesday December 16, 2015.

Thanks, Ross


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<font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11pt;">
<div><font color=3D"#1F497D">Just a reminder that this poll is still going =
on, and will close next Wednesday. </font></div>
<div><font color=3D"#1F497D">&nbsp;</font></div>
<div><font color=3D"#1F497D">Thanks, Ross</font></div>
<div><font color=3D"#1F497D">&nbsp;</font></div>
<div><font face=3D"Tahoma" size=3D"2"><span style=3D"font-size:10pt;">_____=
________________________________________<br>

<b>From:</b> Ross Callon <br>

<b>Sent:</b> Tuesday, November 24, 2015 3:29 PM<br>

<b>To:</b> mpls@ietf.org<br>

<b>Cc:</b> mpls-chairs@ietf.org<br>

<b>Subject:</b> Poll for adoption for draft-bryant-mpls-flow-ident-03</span=
></font></div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>This is to start a poll on adopting draft-bryant-mpls-flow-ident-03 as=
 an MPLS working group </div>
<div>document. Because this poll will occur over the US thanksgiving holida=
y, it will be extended </div>
<div>to three weeks. </div>
<div>&nbsp;</div>
<div>Please send your comments (support/not support) to the mpls working gr=
oup </div>
<div>mailing list (<a href=3D"mailto:mpls@ietf.org"><font color=3D"blue"><u=
>mpls@ietf.org</u></font></a>).</div>
<div>&nbsp;</div>
<div>There are no IPR disclosures pertaining to the draft. The authors have=
 all indicated that </div>
<div>they are not aware of any IPR that applies to this document. The autho=
rs have also pointed </div>
<div>out that one of the documents referenced by draft-bryant-mpls-flow-ide=
nt-03 does have an</div>
<div>IPR declaration against it. </div>
<div>&nbsp;</div>
<div>This poll for adoption will end Wednesday December 16, 2015. </div>
<div>&nbsp;</div>
<div>Thanks, Ross</div>
<div>&nbsp;</div>
</span></font>
</body>
</html>

--_000_DM2PR05MB5732119D3B17C3AD96E24E6A5E90DM2PR05MB573namprd_--


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Date: Thu, 10 Dec 2015 23:52:42 +0100
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From: Kireeti Kompella <kireeti.kompella@gmail.com>
To: "Carlos Pignataro (cpignata)" <cpignata@cisco.com>, "mpls@ietf.org" <mpls@ietf.org>
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Subject: Re: [mpls] draft-smack-mpls-rfc4379bis
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Replying to Carlos's reply to Dave and copying the mailing list.

On Sun, Dec 6, 2015 at 9:43 PM, Carlos Pignataro (cpignata) <
cpignata@cisco.com> wrote:

> Dave,
>
> > On Dec 5, 2015, at 9:18 PM, Loa Andersson <loa@pi.nu> wrote:
> >
> >
> > Authors,
> >
> > Dave Allan's review. I asked him to send it to the list also.
> >
> > /Loa
> >
> > -------- Forwarded Message --------
> > Subject: RE: draft-smack-mpls-rfc4379bis
> > Date: Mon, 30 Nov 2015 21:47:28 +0000
> > From: David Allan I <david.i.allan@ericsson.com>
> > To: loa@pi.nu <loa@pi.nu>
> > CC: yshen@juniper.net <yshen@juniper.net>, curtis@ipv6.occnc.com <
> curtis@ipv6.occnc.com>
> >
> > HI Loa:
> >
> > I've read it though and will state up front, that as a next step in the
> standards process (bis version), I'm applying a tougher standard to the
> document and looking at this as more of a "last call". Even more so as it
> is OAM and therefore IMO requires a high degree of interoperability to be
> useful. As pretty much all of this is from the original document and
> outside the scope of what has been proposed (errata incorporation etc.) a=
nd
> likely just complicates life, you can take it with "a grain of salt=E2=80=
=9D.
>

First of all, thanks, Dave, for doing the review and reading the doc so
carefully!


> Will do :-)
>
> >
> > My chief concern with the document is that the language is very non
> specific and vague, and what I would expect to say "this is..." typically
> says "this might...".  I appreciate that much of this originates with the
> original RFC 4379, but for a BIS I would expect it to be cleaned up.
> >
> > Some examples:
> > "An MPLS echo request with 1 (Do not reply) in the Reply Mode field  ma=
y
> be used for one-way connectivity tests;". IMO it is not a "may be", it "i=
s"
> used for one way connectivity tests. If there is no reply, what else are
> you going to do.
>

As Carlos says, grain of salt applied.  Being prescriptive here doesn't
make sense (imo) -- an echo request with "Do not reply" could be used for
one-way connectivity tests or some other really cool, innovative reason
that we haven't thought of yet.  This doesn't affect interoperability;
using "It is" limits the use.  Note lower case "may", not MAY.


> > "Sub-TLVs have  independent types and MUST also be 4-octet aligned. Two
> examples follow."  The examples would appear to be a normative definition
> of the ONLY sub-TLVs that are defined in this I-D. Other RFCs (e.g. VCCV)
> may define more, but these are the ones defined here, they are NOT exampl=
es.
>

I read the two examples as examples of how sub-TLVs are to be padded to be
4-octet aligned (it helps that Carlos (or someone) fixed the wrong TLV
length in the example :)).

Would the following read better?

An example of how TLV and sub-TLV lengths are computed, and of how sub-TLVs
are padded follows.

> And finally....
> > I'm hoping I'm reading this incorrectly, but assuming my read IS
> correct, It is obviously far far too late to change it but the FEC stack
> would have been easier to use if it listed the FECs from BOS to TOS, and
> not TOS to BOS as it is described now.  An intermediate LSR would need to
> count from BOS backwards given the depth of the current stack would be
> arbitrary at any intermediate LSR. Should have caught that years ago=E2=
=80=A6.
>


> Grain-of-salt applied =E2=80=94 these all sound all good discussion point=
s for the
> wg to ponder, after adoption, since they =E2=80=9Cmight=E2=80=9D signific=
antly change
> meaning.
>

Can't change this now, certainly not as a bis RFC.


> But certainly I agree with going over the potentially ambiguous or vague
> language and tidying that up, after adoption, as needed, based on
> deployment experience.


Agree.

>
>
> > All of this being said, I have no idea what leeway in an IETF bis that
> one has to fix editorial and style issues. Meanwhile I do consider
> correcting the references and applying all errata to be a useful step.



> Thanks!


Indeed, thanks!

Kireeti.


>
> =E2=80=94 Carlos.
>
> >
> > Cheers
> > Dave
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: David Allan I
> > Sent: Monday, November 30, 2015 10:23 AM
> > To: 'curtis@ipv6.occnc.com'; loa@pi.nu; yshen@juniper.net
> > Subject: RE:
> >
> > I had not seen the original either, thanks Curtis for spotting this.
> >
> > I'll confirm that I'll give the draft a read...
> >
> > Cheers
> > Dave
> >
> > -----Original Message-----
> > From: Curtis Villamizar [mailto:curtis@ipv6.occnc.com]
> > Sent: Sunday, November 29, 2015 11:05 AM
> > To: loa@pi.nu; yshen@juniper.net; David Allan I
> > Cc: curtis@ipv6.occnc.com
> > Subject:
> >
> > Hi Loa, Yimin, Dave,
> >
> > The email below made it to all the IETF mailing lists since they have
> > IPv6 connectivity.  My host msa1 lost IPv4 for a while (config error on
> my part) so mail bounced to you guys with IPv4 connectivity only.
> >
> > Unless you already got this by way of one or more IETF mailing list.
> > Sorry for the inconvenience if you already got a copy.
> >
> > Curtis
> >
> > ps - maybe time to ask your IT people about IPv6 connectivity.  While
> you are at it mention DNSSEC (you can mention
> http://dnssec-debugger.verisignlabs.com/pi.nu
> > http://dnssec-debugger.verisignlabs.com/juniper.net
> > http://dnssec-debugger.verisignlabs.com/ericsson.com
> > as a way to tell whether DNSSEC is working for your domain.  Us IETFers
> are supposed to be leading in deployment of our own stuff.)
> >
> > ------- Forwarded Message
> >
> > Return-Path: <>
> > X-Original-To: curtis
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> >       by harbor2.v6only.occnc.com with IMAP (fetchmail-6.3.26)
> >       for <curtis@localhost> (single-drop); Sun, 29 Nov 2015 12:46:26
> -0500 (EST)
> > Received: from mda23.v6only.occnc.com ([unix socket])
> >        by mda23.v6only.occnc.com (Cyrus 2.5.6) with LMTPA;
> >        Sat, 28 Nov 2015 23:41:55 -0500
> > X-Sieve: CMU Sieve 2.4
> > Received: from mta1.orleans.occnc.com (mta1-em1.orleans.occnc.com
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> >       (using TLSv1 with cipher ECDHE-ECDSA-AES256-SHA (256/256 bits))
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> >       (Authenticated sender: smmsp@occnc.com)
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> >       s=3Dorleans; t=3D1448771978;
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> >       h=3DDate:From:Subject:To;
> >       b=3DoA63DSwLokSCUGQ897dS4xiqkCFjfegEVoAgyS9AbHaKV3xR7vl/oO05DkLJH=
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> >        VS3RNKxqehLHf9OM5tMHKsqJNBfTSzeMQBZ++7m+zHevhnQc/Vs/W9tBftziP4JQ=
wn
> >        k7DXwGSzltkC+N09o2y7YrzLRiwi8UM4MtOOWNvw=3D
> > Date: Sat, 28 Nov 2015 23:39:37 -0500 (EST)
> > From: MAILER-DAEMON@orleans.occnc.com (Mail Delivery System)
> > Subject: Undelivered Mail Returned to Sender
> > To: curtis@ipv6.occnc.com
> > Auto-Submitted: auto-replied
> > MIME-Version: 1.0
> > Content-Type: multipart/report; report-type=3Ddelivery-status;
> >       boundary=3D"703F28329.1448771977/msa1.orleans.occnc.com"
> > Message-Id: <20151129043937.05CD881BB@msa1.orleans.occnc.com>
> > X-Spam-Status: No, score=3D0.0 required=3D5.0
> tests=3DDKIM_SIGNED,T_DKIM_INVALID,
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> > X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on
> oink2.v6ds.occnc.com
> >
> > This is a MIME-encapsulated message.
> >
> > - --703F28329.1448771977/msa1.orleans.occnc.com
> > Content-Description: Notification
> > Content-Type: text/plain; charset=3Dus-ascii
> >
> > This is the mail system at host msa1.orleans.occnc.com.
> >
> > I'm sorry to have to inform you that your message could not be delivere=
d
> to one or more recipients. It's attached below.
> >
> > For further assistance, please send mail to postmaster.
> >
> > If you do so, please include this problem report. You can delete your
> own text from the attached returned message.
> >
> >                   The mail system
> >
> > <loa@pi.nu>: connect to pipi.pi.nu[83.168.239.141]:25: No route to host
> >
> > <yshen@juniper.net>: connect to
> >    juniper-net.mail.eo.outlook.com[207.46.163.170]:25: No route to host
> >
> > <david.i.allan@ericsson.com>: connect to
> >    sesbmg13.ericsson.net[193.180.251.49]:25: No route to host
> >
> > - --703F28329.1448771977/msa1.orleans.occnc.com
> > Content-Description: Delivery report
> > Content-Type: message/delivery-status
> >
> > Reporting-MTA: dns; msa1.orleans.occnc.com
> > X-Postfix-Queue-ID: 703F28329
> > X-Postfix-Sender: rfc822; curtis@ipv6.occnc.com
> > Arrival-Date: Mon, 23 Nov 2015 22:38:05 -0500 (EST)
> >
> > Final-Recipient: rfc822; loa@pi.nu
> > Original-Recipient: rfc822;loa@pi.nu
> > Action: failed
> > Status: 4.4.1
> > Diagnostic-Code: X-Postfix; connect to pipi.pi.nu[83.168.239.141]:25:
> No route
> >    to host
> >
> > Final-Recipient: rfc822; yshen@juniper.net
> > Original-Recipient: rfc822;yshen@juniper.net
> > Action: failed
> > Status: 4.4.1
> > Diagnostic-Code: X-Postfix; connect to
> >    juniper-net.mail.eo.outlook.com[207.46.163.170]:25: No route to host
> >
> > Final-Recipient: rfc822; david.i.allan@ericsson.com
> > Original-Recipient: rfc822;david.i.allan@ericsson.com
> > Action: failed
> > Status: 4.4.1
> > Diagnostic-Code: X-Postfix; connect to
> >    sesbmg13.ericsson.net[193.180.251.49]:25: No route to host
> >
> > - --703F28329.1448771977/msa1.orleans.occnc.com
> > Content-Description: Undelivered Message
> > Content-Type: message/rfc822
> >
> > Return-Path: <curtis@ipv6.occnc.com>
> > Received: from harbor2.v6only.occnc.com (harbor2-em2.v6only.occnc.com
> [IPv6:2001:470:88e6:2::231])
> >       (using TLSv1 with cipher ECDHE-ECDSA-AES256-SHA (256/256 bits))
> >       (Client did not present a certificate)
> >       (Authenticated sender: curtis@occnc.com)
> >       by msa1.orleans.occnc.com (Postfix) with ESMTPSA id 703F28329;
> >       Mon, 23 Nov 2015 22:38:05 -0500 (EST)
> > DKIM-Signature: v=3D1; a=3Drsa-sha256; c=3Dsimple/simple; d=3Dipv6.occn=
c.com;
> >       s=3Dcurtis-ipv6; t=3D1448336286;
> >       bh=3D7m15Bo/aV+XVrU+nE3ZZkyiw607TYWoVhIgtD1vpQas=3D;
> >       h=3DTo:cc:Reply-To:From:Subject:In-reply-to:Date;
> >       b=3DlUqGSehbmw0NdtDtUtzuiwiWNeMxvdxP9f0aqpRnHvFpyggLz4xy4nryuO/zW=
MDBw
> >        rJBFuSqd3SULw500bo2Gj5NKTAAyzpeVBjhPX4erMJqI5hBJ68gNRsUktMj3Vty3=
vT
> >        MEm8NBfMrYvdQYR/CQaYUZcbg3EGCcO8WhfN3E4g=3D
> > To: Loa Andersson <loa@pi.nu>, Lizhong <lizho.jin@gmail.com>
> > cc: yshen@juniper.net, Curtis Villamizar <curtis@occnc.com>,
> >    David Allan I <david.i.allan@ericsson.com>,
> >    "draft-smack-mpls-rfc4379bis@ietf.org" <
> draft-smack-mpls-rfc4379bis@ietf.org>,
> >    "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>
> > Reply-To: curtis@ipv6.occnc.com
> > From: Curtis Villamizar <curtis@ipv6.occnc.com>
> > Subject: Re: MPLS-RT review od draft-smack-mpls-rfc4379bis
> > In-reply-to: Your message of "Tue, 24 Nov 2015 11:08:30 +0800."
> >             <64536DDD-BB7E-42E3-B148-5F2EB405F516@gmail.com>
> > MIME-Version: 1.0
> > Content-Type: text/plain; charset=3D"us-ascii"
> > Content-ID: <58460.1448336285.1@harbor2-em2.v6only.occnc.com>
> > Content-Transfer-Encoding: quoted-printable
> > Date: Mon, 23 Nov 2015 22:38:05 -0500
> >
> > Hi Loa, Lizhong,
> >
> > I'm replying to the email from Lizhong because I misplaced Loa's
> original.  Oops.
> >
> > Dec 6 should be OK.
> >
> > Curtis
> >
> >
> > In message <64536DDD-BB7E-42E3-B148-5F2EB405F516@gmail.com>
> > Lizhong writes:
> >> =3D
> >
> >> Hi Loa,
> >> Should be OK for me. Thanks.
> >> =3D
> >
> >> Regards
> >> Lizhong
> >> =3D
> >
> >> > =3D
> >
> >> > Lizhong, Yimin, Curtis, and  Dave,
> >> > =3D
> >
> >> > =3D
> >
> >> > You have been selected as MPLS-RT reviewers for
> >> > draft-smack-mpls-rfc43=3D
> > 79bis.
> >> > =3D
> >
> >> > 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.
> >> > =3D
> >
> >> > Reviews should comment on whether the document is coherent, is it
> >> > useful (ie, is it likely to be actually useful in operational
> >> > networks=3D
> > ), and is the document technically sound?
> >> > =3D
> >
> >> > 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).
> >> > =3D
> >
> >> > This MPLS-RT review is a bit different in that it is a bis-version
> >> > of a widely implemented and deployed protocol, however the basic
> >> > question is the same - are we ready to adopt it as a wg document? If
> >> > the meet all the criteria LSP Ping will be progressed to Internet
> Standard.
> >> > =3D
> >
> >> > 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.
> >> > =3D
> >
> >> > If you have technical comments you should try to be explicit about
> >> > wha=3D
> > t
> >> > needs to be resolved before adopting it as a working group document,
> >> > a=3D
> > nd
> >> > what can wait until the document is a working group document and the
> >> > working group has the revision control.
> >> > =3D
> >
> >> > Are you able to review this draft by December 6, 2015? Please
> >> > respond in a timely fashion.
> >> > =3D
> >
> >> > Thanks, Loa
> >> > (as MPLS WG chair)
> >> > =3D
> >
> >> > =3D
> >
> >> > -- =3D
> >
> >> > =3D
> >
> >> > =3D
> >
> >> > Loa Andersson                        email: loa@mail01.huawei.com
> >> > Senior MPLS Expert                          loa@pi.nu
> >> > Huawei Technologies (consultant)     phone: +46 739 81 21 64
> >
> > - --703F28329.1448771977/msa1.orleans.occnc.com--
> >
> > ------- End of Forwarded Message
> >
> > --
> >
> >
> > Loa Andersson                        email: loa@mail01.huawei.com
> > Senior MPLS Expert                          loa@pi.nu
> > Huawei Technologies (consultant)     phone: +46 739 81 21 64
> >
> >
>
>


--=20
Kireeti

--001a11405f047b9fee052693104f
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Replying to Carlos&#39;s reply to Dave and copying the mai=
ling list.<br><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On =
Sun, Dec 6, 2015 at 9:43 PM, Carlos Pignataro (cpignata) <span dir=3D"ltr">=
&lt;<a href=3D"mailto:cpignata@cisco.com" target=3D"_blank">cpignata@cisco.=
com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"mar=
gin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dave,<br>
<span class=3D""><br>
&gt; On Dec 5, 2015, at 9:18 PM, Loa Andersson &lt;<a href=3D"mailto:loa@pi=
.nu">loa@pi.nu</a>&gt; wrote:<br>
&gt;<br>
&gt;<br>
</span><span class=3D"">&gt; Authors,<br>
&gt;<br>
&gt; Dave Allan&#39;s review. I asked him to send it to the list also.<br>
&gt;<br>
&gt; /Loa<br>
&gt;<br>
&gt; -------- Forwarded Message --------<br>
&gt; Subject: RE: draft-smack-mpls-rfc4379bis<br>
&gt; Date: Mon, 30 Nov 2015 21:47:28 +0000<br>
&gt; From: David Allan I &lt;<a href=3D"mailto:david.i.allan@ericsson.com">=
david.i.allan@ericsson.com</a>&gt;<br>
&gt; To: <a href=3D"mailto:loa@pi.nu">loa@pi.nu</a> &lt;<a href=3D"mailto:l=
oa@pi.nu">loa@pi.nu</a>&gt;<br>
&gt; CC: <a href=3D"mailto:yshen@juniper.net">yshen@juniper.net</a> &lt;<a =
href=3D"mailto:yshen@juniper.net">yshen@juniper.net</a>&gt;, <a href=3D"mai=
lto:curtis@ipv6.occnc.com">curtis@ipv6.occnc.com</a> &lt;<a href=3D"mailto:=
curtis@ipv6.occnc.com">curtis@ipv6.occnc.com</a>&gt;<br>
&gt;<br>
&gt; HI Loa:<br>
&gt;<br>
&gt; I&#39;ve read it though and will state up front, that as a next step i=
n the standards process (bis version), I&#39;m applying a tougher standard =
to the document and looking at this as more of a &quot;last call&quot;. Eve=
n more so as it is OAM and therefore IMO requires a high degree of interope=
rability to be useful. As pretty much all of this is from the original docu=
ment and outside the scope of what has been proposed (errata incorporation =
etc.) and likely just complicates life, you can take it with &quot;a grain =
of salt=E2=80=9D.<br></span></blockquote><div><br></div><div>First of all, =
thanks, Dave, for doing the review and reading the doc so carefully!</div><=
div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8e=
x;border-left:1px #ccc solid;padding-left:1ex"><span class=3D"">
</span>Will do :-)<br>
<span class=3D""><br>
&gt;<br>
&gt; My chief concern with the document is that the language is very non sp=
ecific and vague, and what I would expect to say &quot;this is...&quot; typ=
ically says &quot;this might...&quot;.=C2=A0 I appreciate that much of this=
 originates with the original RFC 4379, but for a BIS I would expect it to =
be cleaned up.<br>
&gt;<br>
&gt; Some examples:<br>
&gt; &quot;An MPLS echo request with 1 (Do not reply) in the Reply Mode fie=
ld=C2=A0 may be used for one-way connectivity tests;&quot;. IMO it is not a=
 &quot;may be&quot;, it &quot;is&quot; used for one way connectivity tests.=
 If there is no reply, what else are you going to do.<br></span></blockquot=
e><div>=C2=A0</div><div>As Carlos says, grain of salt applied.=C2=A0 Being =
prescriptive here doesn&#39;t make sense (imo) -- an echo request with &quo=
t;Do not reply&quot; could be used for one-way connectivity tests or some o=
ther really cool, innovative reason that we haven&#39;t thought of yet.=C2=
=A0 This doesn&#39;t affect interoperability; using &quot;It is&quot; limit=
s the use.=C2=A0 Note lower case &quot;may&quot;, not MAY.</div><div>=C2=A0=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><span class=3D"">
&gt; &quot;Sub-TLVs have=C2=A0 independent types and MUST also be 4-octet a=
ligned. Two examples follow.&quot;=C2=A0 The examples would appear to be a =
normative definition of the ONLY sub-TLVs that are defined in this I-D. Oth=
er RFCs (e.g. VCCV) may define more, but these are the ones defined here, t=
hey are NOT examples.<br></span></blockquote><div><br></div><div>I read the=
 two examples as examples of how sub-TLVs are to be padded to be 4-octet al=
igned (it helps that Carlos (or someone) fixed the wrong TLV length in the =
example :)).</div><div><br></div><div>Would the following read better?</div=
><div><br></div><div>An example of how TLV and sub-TLV lengths are computed=
, and of how sub-TLVs are padded follows.</div><div><br></div><blockquote c=
lass=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;=
padding-left:1ex"><span class=3D"">
&gt; And finally....<br>
</span>&gt; I&#39;m hoping I&#39;m reading this incorrectly, but assuming m=
y read IS correct, It is obviously far far too late to change it but the FE=
C stack would have been easier to use if it listed the FECs from BOS to TOS=
, and not TOS to BOS as it is described now.=C2=A0 An intermediate LSR woul=
d need to count from BOS backwards given the depth of the current stack wou=
ld be arbitrary at any intermediate LSR. Should have caught that years ago=
=E2=80=A6.<br></blockquote><div>=C2=A0<br></div><blockquote class=3D"gmail_=
quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1=
ex">
Grain-of-salt applied =E2=80=94 these all sound all good discussion points =
for the wg to ponder, after adoption, since they =E2=80=9Cmight=E2=80=9D si=
gnificantly change meaning.<br></blockquote><div><br></div><div>Can&#39;t c=
hange this now, certainly not as a bis RFC.</div><div>=C2=A0</div><blockquo=
te class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc so=
lid;padding-left:1ex">
But certainly I agree with going over the potentially ambiguous or vague la=
nguage and tidying that up, after adoption, as needed, based on deployment =
experience.</blockquote><div><br></div><div>Agree.</div><div><br></div><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #c=
cc solid;padding-left:1ex"><span class=3D"">
&gt;<br>
<br>
&gt; All of this being said, I have no idea what leeway in an IETF bis that=
 one has to fix editorial and style issues. Meanwhile I do consider correct=
ing the references and applying all errata to be a useful step.</span></blo=
ckquote><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:=
0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=3D"">
</span>Thanks!</blockquote><div><br></div><div>Indeed, thanks!</div><div><b=
r></div><div>Kireeti.</div><div>=C2=A0</div><blockquote class=3D"gmail_quot=
e" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">=
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
=E2=80=94 Carlos.<br>
</font></span><div class=3D"HOEnZb"><div class=3D"h5"><br>
&gt;<br>
&gt; Cheers<br>
&gt; Dave<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt; -----Original Message-----<br>
&gt; From: David Allan I<br>
&gt; Sent: Monday, November 30, 2015 10:23 AM<br>
&gt; To: &#39;<a href=3D"mailto:curtis@ipv6.occnc.com">curtis@ipv6.occnc.co=
m</a>&#39;; <a href=3D"mailto:loa@pi.nu">loa@pi.nu</a>; <a href=3D"mailto:y=
shen@juniper.net">yshen@juniper.net</a><br>
&gt; Subject: RE:<br>
&gt;<br>
&gt; I had not seen the original either, thanks Curtis for spotting this.<b=
r>
&gt;<br>
&gt; I&#39;ll confirm that I&#39;ll give the draft a read...<br>
&gt;<br>
&gt; Cheers<br>
&gt; Dave<br>
&gt;<br>
&gt; -----Original Message-----<br>
&gt; From: Curtis Villamizar [mailto:<a href=3D"mailto:curtis@ipv6.occnc.co=
m">curtis@ipv6.occnc.com</a>]<br>
&gt; Sent: Sunday, November 29, 2015 11:05 AM<br>
&gt; To: <a href=3D"mailto:loa@pi.nu">loa@pi.nu</a>; <a href=3D"mailto:yshe=
n@juniper.net">yshen@juniper.net</a>; David Allan I<br>
&gt; Cc: <a href=3D"mailto:curtis@ipv6.occnc.com">curtis@ipv6.occnc.com</a>=
<br>
&gt; Subject:<br>
&gt;<br>
&gt; Hi Loa, Yimin, Dave,<br>
&gt;<br>
&gt; The email below made it to all the IETF mailing lists since they have<=
br>
&gt; IPv6 connectivity.=C2=A0 My host msa1 lost IPv4 for a while (config er=
ror on my part) so mail bounced to you guys with IPv4 connectivity only.<br=
>
&gt;<br>
&gt; Unless you already got this by way of one or more IETF mailing list.<b=
r>
&gt; Sorry for the inconvenience if you already got a copy.<br>
&gt;<br>
&gt; Curtis<br>
&gt;<br>
&gt; ps - maybe time to ask your IT people about IPv6 connectivity.=C2=A0 W=
hile you are at it mention DNSSEC (you can mention <a href=3D"http://dnssec=
-debugger.verisignlabs.com/pi.nu" rel=3D"noreferrer" target=3D"_blank">http=
://dnssec-debugger.verisignlabs.com/pi.nu</a><br>
&gt; <a href=3D"http://dnssec-debugger.verisignlabs.com/juniper.net" rel=3D=
"noreferrer" target=3D"_blank">http://dnssec-debugger.verisignlabs.com/juni=
per.net</a><br>
&gt; <a href=3D"http://dnssec-debugger.verisignlabs.com/ericsson.com" rel=
=3D"noreferrer" target=3D"_blank">http://dnssec-debugger.verisignlabs.com/e=
ricsson.com</a><br>
&gt; as a way to tell whether DNSSEC is working for your domain.=C2=A0 Us I=
ETFers are supposed to be leading in deployment of our own stuff.)<br>
&gt;<br>
&gt; ------- Forwarded Message<br>
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&gt; To: Loa Andersson &lt;<a href=3D"mailto:loa@pi.nu">loa@pi.nu</a>&gt;, =
Lizhong &lt;<a href=3D"mailto:lizho.jin@gmail.com">lizho.jin@gmail.com</a>&=
gt;<br>
&gt; cc: <a href=3D"mailto:yshen@juniper.net">yshen@juniper.net</a>, Curtis=
 Villamizar &lt;<a href=3D"mailto:curtis@occnc.com">curtis@occnc.com</a>&gt=
;,<br>
&gt;=C2=A0 =C2=A0 David Allan I &lt;<a href=3D"mailto:david.i.allan@ericsso=
n.com">david.i.allan@ericsson.com</a>&gt;,<br>
&gt;=C2=A0 =C2=A0 &quot;<a href=3D"mailto:draft-smack-mpls-rfc4379bis@ietf.=
org">draft-smack-mpls-rfc4379bis@ietf.org</a>&quot; &lt;<a href=3D"mailto:d=
raft-smack-mpls-rfc4379bis@ietf.org">draft-smack-mpls-rfc4379bis@ietf.org</=
a>&gt;,<br>
&gt;=C2=A0 =C2=A0 &quot;<a href=3D"mailto:mpls-chairs@ietf.org">mpls-chairs=
@ietf.org</a>&quot; &lt;<a href=3D"mailto:mpls-chairs@ietf.org">mpls-chairs=
@ietf.org</a>&gt;<br>
&gt; Reply-To: <a href=3D"mailto:curtis@ipv6.occnc.com">curtis@ipv6.occnc.c=
om</a><br>
&gt; From: Curtis Villamizar &lt;<a href=3D"mailto:curtis@ipv6.occnc.com">c=
urtis@ipv6.occnc.com</a>&gt;<br>
&gt; Subject: Re: MPLS-RT review od draft-smack-mpls-rfc4379bis<br>
&gt; In-reply-to: Your message of &quot;Tue, 24 Nov 2015 11:08:30 +0800.&qu=
ot;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0&lt;<a href=3D"mailto:6=
4536DDD-BB7E-42E3-B148-5F2EB405F516@gmail.com">64536DDD-BB7E-42E3-B148-5F2E=
B405F516@gmail.com</a>&gt;<br>
&gt; MIME-Version: 1.0<br>
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&gt; Content-ID: &lt;<a href=3D"mailto:58460.1448336285.1@harbor2-em2.v6onl=
y.occnc.com">58460.1448336285.1@harbor2-em2.v6only.occnc.com</a>&gt;<br>
&gt; Content-Transfer-Encoding: quoted-printable<br>
&gt; Date: Mon, 23 Nov 2015 22:38:05 -0500<br>
&gt;<br>
&gt; Hi Loa, Lizhong,<br>
&gt;<br>
&gt; I&#39;m replying to the email from Lizhong because I misplaced Loa&#39=
;s original.=C2=A0 Oops.<br>
&gt;<br>
&gt; Dec 6 should be OK.<br>
&gt;<br>
&gt; Curtis<br>
&gt;<br>
&gt;<br>
&gt; In message &lt;<a href=3D"mailto:64536DDD-BB7E-42E3-B148-5F2EB405F516@=
gmail.com">64536DDD-BB7E-42E3-B148-5F2EB405F516@gmail.com</a>&gt;<br>
&gt; Lizhong writes:<br>
&gt;&gt; =3D<br>
&gt;<br>
&gt;&gt; Hi Loa,<br>
&gt;&gt; Should be OK for me. Thanks.<br>
&gt;&gt; =3D<br>
&gt;<br>
&gt;&gt; Regards<br>
&gt;&gt; Lizhong<br>
&gt;&gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; Lizhong, Yimin, Curtis, and=C2=A0 Dave,<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; You have been selected as MPLS-RT reviewers for<br>
&gt;&gt; &gt; draft-smack-mpls-rfc43=3D<br>
&gt; 79bis.<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; Note to authors: You have been CC&#39;d on this email so that=
 you can<br>
&gt;&gt; &gt; know that this review is going on. However, please do not rev=
iew<br>
&gt;&gt; &gt; your own document.<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; Reviews should comment on whether the document is coherent, i=
s it<br>
&gt;&gt; &gt; useful (ie, is it likely to be actually useful in operational=
<br>
&gt;&gt; &gt; networks=3D<br>
&gt; ), and is the document technically sound?<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; We are interested in knowing whether the document is ready to=
 be<br>
&gt;&gt; &gt; considered for WG adoption (ie, it doesn&#39;t have to be per=
fect at<br>
&gt;&gt; &gt; this point, but should be a good start).<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; This MPLS-RT review is a bit different in that it is a bis-ve=
rsion<br>
&gt;&gt; &gt; of a widely implemented and deployed protocol, however the ba=
sic<br>
&gt;&gt; &gt; question is the same - are we ready to adopt it as a wg docum=
ent? If<br>
&gt;&gt; &gt; the meet all the criteria LSP Ping will be progressed to Inte=
rnet Standard.<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; Reviews should be sent to the document authors, WG co-chairs =
and WG<br>
&gt;&gt; &gt; secretary, and CC&#39;d to the MPLS WG email list. If necessa=
ry,<br>
&gt;&gt; &gt; comments may be sent privately to only the WG chairs.<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; If you have technical comments you should try to be explicit =
about<br>
&gt;&gt; &gt; wha=3D<br>
&gt; t<br>
&gt;&gt; &gt; needs to be resolved before adopting it as a working group do=
cument,<br>
&gt;&gt; &gt; a=3D<br>
&gt; nd<br>
&gt;&gt; &gt; what can wait until the document is a working group document =
and the<br>
&gt;&gt; &gt; working group has the revision control.<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; Are you able to review this draft by December 6, 2015? Please=
<br>
&gt;&gt; &gt; respond in a timely fashion.<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; Thanks, Loa<br>
&gt;&gt; &gt; (as MPLS WG chair)<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; -- =3D<br>
&gt;<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; =3D<br>
&gt;<br>
&gt;&gt; &gt; Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 email: <a href=3D"mailto:loa@mail01.hua=
wei.com">loa@mail01.huawei.com</a><br>
&gt;&gt; &gt; Senior MPLS Expert=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 <a href=3D"mailto:loa@pi.n=
u">loa@pi.nu</a><br>
&gt;&gt; &gt; Huawei Technologies (consultant)=C2=A0 =C2=A0 =C2=A0phone: <a=
 href=3D"tel:%2B46%20739%2081%2021%2064" value=3D"+46739812164">+46 739 81 =
21 64</a><br>
&gt;<br>
&gt; - --703F28329.1448771977/msa1.orleans.occnc.com--<br>
&gt;<br>
&gt; ------- End of Forwarded Message<br>
&gt;<br>
&gt; --<br>
&gt;<br>
&gt;<br>
&gt; Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 email: <a href=3D"mailto:loa@mail01.huawei.com"=
>loa@mail01.huawei.com</a><br>
&gt; Senior MPLS Expert=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 <a href=3D"mailto:loa@pi.nu">loa@pi.=
nu</a><br>
&gt; Huawei Technologies (consultant)=C2=A0 =C2=A0 =C2=A0phone: <a href=3D"=
tel:%2B46%20739%2081%2021%2064" value=3D"+46739812164">+46 739 81 21 64</a>=
<br>
&gt;<br>
&gt;<br>
<br>
</div></div></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>=
<div class=3D"gmail_signature">Kireeti</div>
</div></div>

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Date: Fri, 11 Dec 2015 00:01:56 +0100
Message-ID: <CABRz93XjPCGUHzGMxj5zj_cKJuQM2wahX_Ah=QGYc9xzNVPDeg@mail.gmail.com>
From: Kireeti Kompella <kireeti.kompella@gmail.com>
To: Yimin Shen <yshen@juniper.net>
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Cc: "mpls@ietf.org" <mpls@ietf.org>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, "draft-smack-mpls-rfc4379bis@ietf.org" <draft-smack-mpls-rfc4379bis@ietf.org>
Subject: Re: [mpls] MPLS-RT review of draft-smack-mpls-rfc4379bis
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--001a114075c288f9640526933193
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Hi Yimin,

Thanks for your review!

On Fri, Dec 4, 2015 at 10:17 PM, Yimin Shen <yshen@juniper.net> wrote:

> Hi authors,
>
> I was selected as a reviewer for the draft-smack-mpls-rfc4379bis, and I
> have completed my review.
>
> I think this draft is useful, providing an overdue update for RFC 4379,
> which is the base RFC of a widely deployed protocol in MPLS networks.
>
> One issue I have is that the draft is still specifying the packet format
> and mechanisms based on the Downstream Mapping TLV, which has been
> deprecated by the Downstream Detailed Mapping TLV defined by RFC 6424. I
> notice the section 1.5 where it briefly mentions the evaluation of
> incorporating some new RFCs to this draft. But it is unclear to me what the
> decision will be, whether the draft would stop here to provide just
> backward compatibility or it will take further steps to incorporate RFC
> 6424. So, before the draft is adopted, I'd like to see draft progress a
> little further on the to-do list and give and clearer strategy on this.
>

I don't really care whether this is done before or after WG adoption.
However, one question for the WG is, should deprecated TLVs be moved into
an appendix?  Sort of as follows:

3.2.8 <http://tools.ietf.org/html/rfc4379#section-3.2.8>.  FEC 128
Pseudowire (Deprecated)


(See Appendix A for details.)


3.2.9 <http://tools.ietf.org/html/rfc4379#section-3.2.9>.  FEC 128
Pseudowire (Current)


*...*


[and of course put the text currently in section 3.2.8 in the
Appendix.]  This preserves the historical stuff while moving them out
of the way of implementors.


Cheers,

Kireeti.



> Thanks,
>
> /Yimin Shen
>
>


-- 
Kireeti

--001a114075c288f9640526933193
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hi Yimin,<div><br></div><div>Thanks for your review!<br><d=
iv class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Fri, Dec 4, 2015=
 at 10:17 PM, Yimin Shen <span dir=3D"ltr">&lt;<a href=3D"mailto:yshen@juni=
per.net" target=3D"_blank">yshen@juniper.net</a>&gt;</span> wrote:<br><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left-=
width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;paddin=
g-left:1ex">Hi authors,<br>
<br>
I was selected as a reviewer for the draft-smack-mpls-rfc4379bis, and I hav=
e completed my review.<br>
<br>
I think this draft is useful, providing an overdue update for RFC 4379, whi=
ch is the base RFC of a widely deployed protocol in MPLS networks.<br>
<br>
One issue I have is that the draft is still specifying the packet format an=
d mechanisms based on the Downstream Mapping TLV, which has been deprecated=
 by the Downstream Detailed Mapping TLV defined by RFC 6424. I notice the s=
ection 1.5 where it briefly mentions the evaluation of incorporating some n=
ew RFCs to this draft. But it is unclear to me what the decision will be, w=
hether the draft would stop here to provide just backward compatibility or =
it will take further steps to incorporate RFC 6424. So, before the draft is=
 adopted, I&#39;d like to see draft progress a little further on the to-do =
list and give and clearer strategy on this.<br></blockquote><div><br></div>=
<div>I don&#39;t really care whether this is done before or after WG adopti=
on.=C2=A0 However, one question for the WG is, should deprecated TLVs be mo=
ved into an appendix?=C2=A0 Sort of as follows:</div><div><br></div><div><p=
re class=3D"" style=3D"font-size:13px;margin-top:0px;margin-bottom:0px;colo=
r:rgb(0,0,0)"><span class=3D"h4" style=3D"line-height:0pt;display:inline;fo=
nt-size:1em;font-weight:bold"><h4 style=3D"line-height:0pt;display:inline;f=
ont-size:1em"><a class=3D"" name=3D"section-3.2.8" href=3D"http://tools.iet=
f.org/html/rfc4379#section-3.2.8" style=3D"color:black;text-decoration:none=
">3.2.8</a>.  FEC 128 Pseudowire (Deprecated)</h4></span></pre><pre class=
=3D"" style=3D"font-size:13px;margin-top:0px;margin-bottom:0px;color:rgb(0,=
0,0)"><span class=3D"h4" style=3D"line-height:0pt;display:inline;font-size:=
1em;font-weight:bold"><h4 style=3D"line-height:0pt;display:inline;font-size=
:1em"><br></h4></span></pre><pre class=3D"" style=3D"font-size:13px;margin-=
top:0px;margin-bottom:0px;color:rgb(0,0,0)"><span class=3D"h4" style=3D"lin=
e-height:0pt;display:inline;font-size:1em"><h4 style=3D"line-height:0pt;dis=
play:inline;font-size:1em">(<span style=3D"font-weight:normal">See Appendix=
 A for details.)</span></h4></span></pre><pre class=3D"" style=3D"font-size=
:13px;margin-top:0px;margin-bottom:0px;color:rgb(0,0,0)"><span class=3D"h4"=
 style=3D"line-height:0pt;display:inline;font-size:1em"><h4 style=3D"line-h=
eight:0pt;display:inline;font-size:1em"><span style=3D"font-weight:normal">=
<br></span></h4></span></pre><pre class=3D"" style=3D"font-size:13px;margin=
-top:0px;margin-bottom:0px;color:rgb(0,0,0)"><span class=3D"h4" style=3D"li=
ne-height:0pt;display:inline;font-size:1em;font-weight:bold"><h4 style=3D"l=
ine-height:0pt;display:inline;font-size:1em"><a class=3D"" name=3D"section-=
3.2.9" href=3D"http://tools.ietf.org/html/rfc4379#section-3.2.9" style=3D"c=
olor:black;text-decoration:none">3.2.9</a>.  FEC 128 Pseudowire (Current)</=
h4></span>
</pre><pre class=3D"" style=3D"font-size:13px;margin-top:0px;margin-bottom:=
0px;color:rgb(0,0,0)"><br></pre><pre class=3D"" style=3D"font-size:13px;mar=
gin-top:0px;margin-bottom:0px"><font color=3D"#500050"><b>...</b></font></p=
re><pre class=3D"" style=3D"font-size:13px;margin-top:0px;margin-bottom:0px=
;color:rgb(0,0,0)"><span class=3D"h4" style=3D"line-height:0pt;display:inli=
ne;font-size:1em"><h4 style=3D"line-height:0pt;display:inline;font-size:1em=
"><span style=3D"font-weight:normal"><br></span></h4></span></pre><pre clas=
s=3D"" style=3D"margin-top:0px;margin-bottom:0px"><span class=3D"h4" style=
=3D"line-height:0pt;display:inline"><h4 style=3D"line-height:0pt;display:in=
line"><font size=3D"2" face=3D"arial, helvetica, sans-serif"><font color=3D=
"#000000"><span style=3D"font-weight:normal">[and of </span></font><span st=
yle=3D"font-weight:normal">course</span><font color=3D"#000000"><span style=
=3D"font-weight:normal"> put the text currently in section 3.2.8 in the App=
endix.]  This preserves the historical stuff while moving them out of the w=
ay of implementors.</span></font></font></h4></span></pre><pre class=3D"" s=
tyle=3D"margin-top:0px;margin-bottom:0px"><span class=3D"h4" style=3D"line-=
height:0pt;display:inline"><h4 style=3D"line-height:0pt;display:inline"><fo=
nt size=3D"2" face=3D"arial, helvetica, sans-serif"><font color=3D"#000000"=
><span style=3D"font-weight:normal"><br></span></font></font></h4></span></=
pre><pre class=3D"" style=3D"margin-top:0px;margin-bottom:0px"><span class=
=3D"h4" style=3D"line-height:0pt;display:inline"><h4 style=3D"line-height:0=
pt;display:inline"><font size=3D"2" face=3D"arial, helvetica, sans-serif"><=
font color=3D"#000000"><span style=3D"font-weight:normal">Cheers,</span></f=
ont></font></h4></span></pre><pre class=3D"" style=3D"margin-top:0px;margin=
-bottom:0px"><span class=3D"h4" style=3D"line-height:0pt;display:inline"><h=
4 style=3D"line-height:0pt;display:inline"><font size=3D"2" face=3D"arial, =
helvetica, sans-serif"><font color=3D"#000000"><span style=3D"font-weight:n=
ormal">Kireeti.</span></font></font></h4></span></pre></div><div>=C2=A0</di=
v><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;borde=
r-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid=
;padding-left:1ex">
Thanks,<br>
<br>
/Yimin Shen<br>
<br>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div class=
=3D"gmail_signature">Kireeti</div>
</div></div></div>

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From: Kireeti Kompella <kireeti.kompella@gmail.com>
To: "Carlos Pignataro (cpignata)" <cpignata@cisco.com>
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Cc: "mpls@ietf.org" <mpls@ietf.org>, Curtis Villamizar <curtis@occnc.com>, "draft-smack-mpls-rfc4379bis@ietf.org" <draft-smack-mpls-rfc4379bis@ietf.org>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, Lizhong Jin <lizho.jin@gmail.com>, "curtis@orleans.occnc.com" <curtis@orleans.occnc.com>, "<curtis@ipv6.occnc.com>" <curtis@ipv6.occnc.com>
Subject: Re: [mpls] MPLS-RT review od draft-smack-mpls-rfc4379bis
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Copying MPLS WG list ... this is Curtis's review, and Carlos's reply.

Thanks, Curtis, for your detailed review; I agree with most of your points,
but not really on GAL.  I think that should be taken up in a separate
thread -- George had a comment on this as well.

As for how much change should be incorporated into the draft _before_ vs
_after_ WG adoption, here's my take:
a) the deprecations (esp DSMAP) (including moving these into an appendix)
be dealt with before making this a WG doc;
b) draft-ietf-mpls-entropy-lsp-ping NOT be included in the bis draft (but
perhaps state that a future RFC will define how label-based ECMP will be
done);
c) RFC 6425 only be included if there is adequate implementation and
deployment experience.

Kireeti.

On Sun, Dec 6, 2015 at 10:06 PM, Carlos Pignataro (cpignata) <
cpignata@cisco.com> wrote:

>
> > On Dec 5, 2015, at 1:39 PM, Curtis Villamizar <curtis@ietf.occnc.com>
> wrote:
> >
> > Oops.  Original sent from an email address not subscribed to the MPLS
> > mailing list.  Sorry for duplicates (again).
> >
> > Curtis
> >
> >
> > In message <cmu-lmtpd-18039-1449338553-0@mda23.v6only.occnc.com>
> > Curtis Villamizar writes:
> >
> > Hello Loa and friends,
> >
> > The MPLS WG should definitely take on draft-smack-mpls-rfc4379bis as a
> > WG item.
>
> Thanks for the support of this work, Curtis.
>
> > An update to RFC 4379 is long overdue.  RFC 4379 was
> > published in 2006, in draft since about 2002 I think and is updated by
> > seven RFC, some of which obsolete or change the early TLVs and
> > subTLVs.  There are also seven erratta.
> >
> > Currently someone who wants to implement or just understand how LSP
> > ping and traceroute work they have to read this RFC and then ignore a
> > lot of it and read 7 others plus some errata if implementing.
> >
>
> I agree.
>
> > In particular RFC6424 depricates the original Downstream Mapping TLV
> > and replaces it with Downstream Detailed Mapping TLV and Multipath
> > Data Sub-TLV.  While this is mentioned in the ToDo section, it has not
> > been done.  Clearly this document should be folded into the update and
> > Downstream Mapping TLV fully deprecated.
>
> Ack =E2=80=94 planed for after adoption.
>
> >
> > RFC6425 which adds P2MP via changes in semantics and add some more
> > Sub-TLVs (RSVP P2MP IPv4 Session Sub-TLV, RSVP P2MP IPv6 Session
> > Sub-TLV, Multicast LDP FEC Stack Sub-TLVs, etc).
> >
> > RFC6426 extends RFC 4379 for the purpose of MPLS-TP on-demand ping
> > (aka CV) and traceroute.  This is accomplished by adding DSMAP/DDMAP
> > Non-IP, Source/Destination Identifier TLV, Static LSP Sub-TLV, Static
> > Pseudowire Sub-TLV, and some new semantics.  It might be best to leave
> > RFC6426 separate since RFC6426 supports a set of capabilities that may
> > not be of interest to the majority of MPLS deployments (non-IP
> > addressing, no control plane) but are stated requirements for MPLS-TP.
>
> Also my take, but we should ask the WG.
>
> >
> > RFC6829 adds IPv6 LDP PW FEC support.  This is with renaming to
> > Pseudowire IPv4 Target FEC Stack Sub-TLVs and adding Pseudowire IPv6
> > Target FEC Stack Sub-TLVs.  It would also be nice if FEC 128 was fully
> > depricated.  It looks like this is already folded into rfc4379bis.
> >
>
> Yes.
>
> > RFC7506 defines the IPv6 Router Alert Option for MPLS OAM.  As I
> > understand things, the direction today is towards using GAL (RFC5586)
> > for MPLS OAM as described in RFC7708 (for PW VCCV).  See Section 4.1.
> > (Relationship with Existing MPLS OAM Alert Mechanisms) in RFC5586.
> > While at the time of publication GAL was an alternative to router
> > alert and TTL, it is my understanding the GAL and TTL (for traceroute)
> > are the current preferred alternative.  The update to RFC 4379 should
> > address this issue, at least to acknowledge GAL, but perhaps to
> > recommend GAL as the preferred option.  This way GAL is no longer a
> > MUST for MPLS-TP and a MAY for plain old MPLS and PW.
> >
> > RFC7537 just adds an IANA registry for the codepoints in MPLS lsp and
> > traceroute.  RFC7537 could be obsoleted by adding an IANA section to
> > rfc4379bis making one less document to find and look through.
> >
> > An update to RFC 4379 (and RFC6424) should also incorporate the
> > changes made in draft-ietf-mpls-entropy-lsp-ping which covers use of
> > Entropy Labels (EL) and draft-ietf-mpls-lsp-ping-lag-multipath which
> > covers Link Aggregation Group (LAG) Interfaces.  The former adds a
> > label FEC.  The latter adds some TLVs and subTLVs.  It would be up to
> > the authors whether they want to merge but it would be better to put
> > these extensions in the base document.
>
> Good point.
>
> >
> > A diff using http://tools.ietf.org/rfcdiff shows very little
> > substantive difference between RFC 4379 and rfc4379bis.  Mostly the
> > changes are the inclusion of a incomplete ToDo section and none of
> > which have been done except folding the RFC6829 IPv6 changes in.
> >
> > Minor - On the list there was some comments about clarity of section
> > 4.4.1. (FEC Validation).  I think the comment was regarding why a Nil
> > FEC could occur.  Perhaps some explanation would help, maybe just a
> > comment in the procedural outline in this section.
> >
> > So this document should definitely be a WG item, maybe after taking
> > care of some of the ToDo items, maybe as-is.  That would be something
> > the WG chairs probably should decide with input from others in the WG.
> > Either way, the ToDo list needs to be taken care of and maybe a few
> > more drafts added to the ToDo list.  I did not check the errata.
> >
> > Curtis
> >
>
>
> Thanks again, Curtis!
>
> =E2=80=94 Carlos.
>
> >
> >
> > In message <cmu-lmtpd-28369-1448336291-0@mda11.v6only.occnc.com>
> > Curtis Villamizar writes:
> >
> > Hi Loa, Lizhong,
> >
> > I'm replying to the email from Lizhong because I misplaced Loa's
> > original.  Oops.
> >
> > Dec 6 should be OK.
> >
> > Curtis
> >
> >
> > In message <64536DDD-BB7E-42E3-B148-5F2EB405F516@gmail.com>
> > Lizhong writes:
> >>
> >> Hi Loa,
> >> Should be OK for me. Thanks.
> >>
> >> Regards
> >> Lizhong
> >>
> >>>
> >>> Lizhong, Yimin, Curtis, and  Dave,
> >>>
> >>>
> >>> You have been selected as MPLS-RT reviewers for
> draft-smack-mpls-rfc4379bis.
> >>>
> >>> Note to authors: You have been CC'd on this email so that you can kno=
w
> >>> that this review is going on. However, please do not review your own
> >>> document.
> >>>
> >>> 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).
> >>>
> >>> This MPLS-RT review is a bit different in that it is a bis-version of
> >>> a widely implemented and deployed protocol, however the basic questio=
n
> >>> is the same - are we ready to adopt it as a wg document? If the meet
> >>> all the criteria LSP Ping will be progressed to Internet Standard.
> >>>
> >>> 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.
> >>>
> >>> If you have technical comments you should try to be explicit about wh=
at
> >>> needs to be resolved before adopting it as a working group document,
> and
> >>> what can wait until the document is a working group document and the
> >>> working group has the revision control.
> >>>
> >>> Are you able to review this draft by December 6, 2015? Please respond
> >>> in a timely fashion.
> >>>
> >>> 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
>
>


--=20
Kireeti

--047d7bd75c3a3a3f8c052693863c
Content-Type: text/html; charset=UTF-8
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<div dir=3D"ltr">Copying MPLS WG list ... this is Curtis&#39;s review, and =
Carlos&#39;s reply.<div><br></div><div>Thanks, Curtis, for your detailed re=
view; I agree with most of your points, but not really on GAL.=C2=A0 I thin=
k that should be taken up in a separate thread -- George had a comment on t=
his as well.</div><div><br></div><div>As for how much change should be inco=
rporated into the draft _before_ vs _after_ WG adoption, here&#39;s my take=
:</div><div>a) the deprecations (esp DSMAP) (including moving these into an=
 appendix) be dealt with before making this a WG doc;</div><div>b) draft-ie=
tf-mpls-entropy-lsp-ping NOT be included in the bis draft (but perhaps stat=
e that a future RFC will define how label-based ECMP will be done);</div><d=
iv>c) RFC 6425 only be included if there is adequate implementation and dep=
loyment experience.</div><div><br></div><div>Kireeti.</div><div class=3D"gm=
ail_extra"><br><div class=3D"gmail_quote">On Sun, Dec 6, 2015 at 10:06 PM, =
Carlos Pignataro (cpignata) <span dir=3D"ltr">&lt;<a href=3D"mailto:cpignat=
a@cisco.com" target=3D"_blank">cpignata@cisco.com</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"><span class=3D""><br>
&gt; On Dec 5, 2015, at 1:39 PM, Curtis Villamizar &lt;<a href=3D"mailto:cu=
rtis@ietf.occnc.com">curtis@ietf.occnc.com</a>&gt; wrote:<br>
&gt;<br>
&gt; Oops.=C2=A0 Original sent from an email address not subscribed to the =
MPLS<br>
&gt; mailing list.=C2=A0 Sorry for duplicates (again).<br>
&gt;<br>
&gt; Curtis<br>
&gt;<br>
&gt;<br>
&gt; In message &lt;<a href=3D"mailto:cmu-lmtpd-18039-1449338553-0@mda23.v6=
only.occnc.com">cmu-lmtpd-18039-1449338553-0@mda23.v6only.occnc.com</a>&gt;=
<br>
&gt; Curtis Villamizar writes:<br>
&gt;<br>
&gt; Hello Loa and friends,<br>
&gt;<br>
&gt; The MPLS WG should definitely take on draft-smack-mpls-rfc4379bis as a=
<br>
&gt; WG item.<br>
<br>
</span>Thanks for the support of this work, Curtis.<br>
<span class=3D""><br>
&gt; An update to RFC 4379 is long overdue.=C2=A0 RFC 4379 was<br>
&gt; published in 2006, in draft since about 2002 I think and is updated by=
<br>
&gt; seven RFC, some of which obsolete or change the early TLVs and<br>
&gt; subTLVs.=C2=A0 There are also seven erratta.<br>
&gt;<br>
&gt; Currently someone who wants to implement or just understand how LSP<br=
>
&gt; ping and traceroute work they have to read this RFC and then ignore a<=
br>
&gt; lot of it and read 7 others plus some errata if implementing.<br>
&gt;<br>
<br>
</span>I agree.<br>
<span class=3D""><br>
&gt; In particular RFC6424 depricates the original Downstream Mapping TLV<b=
r>
&gt; and replaces it with Downstream Detailed Mapping TLV and Multipath<br>
&gt; Data Sub-TLV.=C2=A0 While this is mentioned in the ToDo section, it ha=
s not<br>
&gt; been done.=C2=A0 Clearly this document should be folded into the updat=
e and<br>
</span>&gt; Downstream Mapping TLV fully deprecated.<br>
<br>
Ack =E2=80=94 planed for after adoption.<br>
<span class=3D""><br>
&gt;<br>
&gt; RFC6425 which adds P2MP via changes in semantics and add some more<br>
&gt; Sub-TLVs (RSVP P2MP IPv4 Session Sub-TLV, RSVP P2MP IPv6 Session<br>
&gt; Sub-TLV, Multicast LDP FEC Stack Sub-TLVs, etc).<br>
&gt;<br>
&gt; RFC6426 extends RFC 4379 for the purpose of MPLS-TP on-demand ping<br>
&gt; (aka CV) and traceroute.=C2=A0 This is accomplished by adding DSMAP/DD=
MAP<br>
&gt; Non-IP, Source/Destination Identifier TLV, Static LSP Sub-TLV, Static<=
br>
&gt; Pseudowire Sub-TLV, and some new semantics.=C2=A0 It might be best to =
leave<br>
&gt; RFC6426 separate since RFC6426 supports a set of capabilities that may=
<br>
&gt; not be of interest to the majority of MPLS deployments (non-IP<br>
&gt; addressing, no control plane) but are stated requirements for MPLS-TP.=
<br>
<br>
</span>Also my take, but we should ask the WG.<br>
<span class=3D""><br>
&gt;<br>
&gt; RFC6829 adds IPv6 LDP PW FEC support.=C2=A0 This is with renaming to<b=
r>
&gt; Pseudowire IPv4 Target FEC Stack Sub-TLVs and adding Pseudowire IPv6<b=
r>
&gt; Target FEC Stack Sub-TLVs.=C2=A0 It would also be nice if FEC 128 was =
fully<br>
&gt; depricated.=C2=A0 It looks like this is already folded into rfc4379bis=
.<br>
&gt;<br>
<br>
</span>Yes.<br>
<span class=3D""><br>
&gt; RFC7506 defines the IPv6 Router Alert Option for MPLS OAM.=C2=A0 As I<=
br>
&gt; understand things, the direction today is towards using GAL (RFC5586)<=
br>
&gt; for MPLS OAM as described in RFC7708 (for PW VCCV).=C2=A0 See Section =
4.1.<br>
&gt; (Relationship with Existing MPLS OAM Alert Mechanisms) in RFC5586.<br>
&gt; While at the time of publication GAL was an alternative to router<br>
&gt; alert and TTL, it is my understanding the GAL and TTL (for traceroute)=
<br>
&gt; are the current preferred alternative.=C2=A0 The update to RFC 4379 sh=
ould<br>
&gt; address this issue, at least to acknowledge GAL, but perhaps to<br>
&gt; recommend GAL as the preferred option.=C2=A0 This way GAL is no longer=
 a<br>
&gt; MUST for MPLS-TP and a MAY for plain old MPLS and PW.<br>
&gt;<br>
&gt; RFC7537 just adds an IANA registry for the codepoints in MPLS lsp and<=
br>
&gt; traceroute.=C2=A0 RFC7537 could be obsoleted by adding an IANA section=
 to<br>
&gt; rfc4379bis making one less document to find and look through.<br>
&gt;<br>
&gt; An update to RFC 4379 (and RFC6424) should also incorporate the<br>
&gt; changes made in draft-ietf-mpls-entropy-lsp-ping which covers use of<b=
r>
&gt; Entropy Labels (EL) and draft-ietf-mpls-lsp-ping-lag-multipath which<b=
r>
&gt; covers Link Aggregation Group (LAG) Interfaces.=C2=A0 The former adds =
a<br>
&gt; label FEC.=C2=A0 The latter adds some TLVs and subTLVs.=C2=A0 It would=
 be up to<br>
&gt; the authors whether they want to merge but it would be better to put<b=
r>
&gt; these extensions in the base document.<br>
<br>
</span>Good point.<br>
<span class=3D""><br>
&gt;<br>
&gt; A diff using <a href=3D"http://tools.ietf.org/rfcdiff" rel=3D"noreferr=
er" target=3D"_blank">http://tools.ietf.org/rfcdiff</a> shows very little<b=
r>
&gt; substantive difference between RFC 4379 and rfc4379bis.=C2=A0 Mostly t=
he<br>
&gt; changes are the inclusion of a incomplete ToDo section and none of<br>
&gt; which have been done except folding the RFC6829 IPv6 changes in.<br>
&gt;<br>
&gt; Minor - On the list there was some comments about clarity of section<b=
r>
&gt; 4.4.1. (FEC Validation).=C2=A0 I think the comment was regarding why a=
 Nil<br>
&gt; FEC could occur.=C2=A0 Perhaps some explanation would help, maybe just=
 a<br>
&gt; comment in the procedural outline in this section.<br>
&gt;<br>
&gt; So this document should definitely be a WG item, maybe after taking<br=
>
&gt; care of some of the ToDo items, maybe as-is.=C2=A0 That would be somet=
hing<br>
&gt; the WG chairs probably should decide with input from others in the WG.=
<br>
&gt; Either way, the ToDo list needs to be taken care of and maybe a few<br=
>
&gt; more drafts added to the ToDo list.=C2=A0 I did not check the errata.<=
br>
&gt;<br>
&gt; Curtis<br>
&gt;<br>
<br>
<br>
</span>Thanks again, Curtis!<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
=E2=80=94 Carlos.<br>
</font></span><div class=3D"HOEnZb"><div class=3D"h5"><br>
&gt;<br>
&gt;<br>
&gt; In message &lt;<a href=3D"mailto:cmu-lmtpd-28369-1448336291-0@mda11.v6=
only.occnc.com">cmu-lmtpd-28369-1448336291-0@mda11.v6only.occnc.com</a>&gt;=
<br>
&gt; Curtis Villamizar writes:<br>
&gt;<br>
&gt; Hi Loa, Lizhong,<br>
&gt;<br>
&gt; I&#39;m replying to the email from Lizhong because I misplaced Loa&#39=
;s<br>
&gt; original.=C2=A0 Oops.<br>
&gt;<br>
&gt; Dec 6 should be OK.<br>
&gt;<br>
&gt; Curtis<br>
&gt;<br>
&gt;<br>
&gt; In message &lt;<a href=3D"mailto:64536DDD-BB7E-42E3-B148-5F2EB405F516@=
gmail.com">64536DDD-BB7E-42E3-B148-5F2EB405F516@gmail.com</a>&gt;<br>
&gt; Lizhong writes:<br>
&gt;&gt;<br>
&gt;&gt; Hi Loa,<br>
&gt;&gt; Should be OK for me. Thanks.<br>
&gt;&gt;<br>
&gt;&gt; Regards<br>
&gt;&gt; Lizhong<br>
&gt;&gt;<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; Lizhong, Yimin, Curtis, and=C2=A0 Dave,<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; You have been selected as MPLS-RT reviewers for draft-smack-mp=
ls-rfc4379bis.<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; Note to authors: You have been CC&#39;d on this email so that =
you can know<br>
&gt;&gt;&gt; that this review is going on. However, please do not review yo=
ur own<br>
&gt;&gt;&gt; document.<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; Reviews should comment on whether the document is coherent, is=
 it<br>
&gt;&gt;&gt; useful (ie, is it likely to be actually useful in operational =
networks), and is the document technically sound?<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; We are interested in knowing whether the document is ready to =
be<br>
&gt;&gt;&gt; considered for WG adoption (ie, it doesn&#39;t have to be perf=
ect at this<br>
&gt;&gt;&gt; point, but should be a good start).<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; This MPLS-RT review is a bit different in that it is a bis-ver=
sion of<br>
&gt;&gt;&gt; a widely implemented and deployed protocol, however the basic =
question<br>
&gt;&gt;&gt; is the same - are we ready to adopt it as a wg document? If th=
e meet<br>
&gt;&gt;&gt; all the criteria LSP Ping will be progressed to Internet Stand=
ard.<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; Reviews should be sent to the document authors, WG co-chairs a=
nd WG<br>
&gt;&gt;&gt; secretary, and CC&#39;d to the MPLS WG email list. If necessar=
y, comments<br>
&gt;&gt;&gt; may be sent privately to only the WG chairs.<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; If you have technical comments you should try to be explicit a=
bout what<br>
&gt;&gt;&gt; needs to be resolved before adopting it as a working group doc=
ument, and<br>
&gt;&gt;&gt; what can wait until the document is a working group document a=
nd the<br>
&gt;&gt;&gt; working group has the revision control.<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; Are you able to review this draft by December 6, 2015? Please =
respond<br>
&gt;&gt;&gt; in a timely fashion.<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; Thanks, Loa<br>
&gt;&gt;&gt; (as MPLS WG chair)<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; --<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 email: <a href=3D"mailto:loa@mail01.huaw=
ei.com">loa@mail01.huawei.com</a><br>
&gt;&gt;&gt; Senior MPLS Expert=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 <a href=3D"mailto:loa@pi.n=
u">loa@pi.nu</a><br>
&gt;&gt;&gt; Huawei Technologies (consultant)=C2=A0 =C2=A0 =C2=A0phone: <a =
href=3D"tel:%2B46%20739%2081%2021%2064" value=3D"+46739812164">+46 739 81 2=
1 64</a><br>
<br>
</div></div></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>=
<div class=3D"gmail_signature">Kireeti</div>
</div></div>

--047d7bd75c3a3a3f8c052693863c--


From nobody Thu Dec 10 17:02:17 2015
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To: "mpls@ietf.org" <mpls@ietf.org>, "draft-smack-mpls-rfc4379bis@ietf.org" <draft-smack-mpls-rfc4379bis@ietf.org>
From: Loa Andersson <loa@pi.nu>
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Subject: [mpls] Shepherd comment on draft-smack-mpls-rfc4379bis@
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Working Group, authors, mpls-rt reviewers

First, thanks everyone for all the good work, all the useful comments
and resolution of these comments.

Second, there is a discussion (comment resolution) on what need/should
be done before vs. after the wg adoption poll the wg chairs has
discussed this off-line. We said to two things
1. Much of the comment resolution (and some of the reviews) has not
    been done on the wg mailing list. This has now been  posted to the
    list.
2. We agree that a lot of this work only make sense to do if the
    document is a wg doc. However see the third bullet below.

Third, the document is almost ready for the working group adoption
poll. We agree with Kireeti that:

"a) the deprecations (esp DSMAP) (including moving these into an
  appendix) be dealt with before making this a WG doc;"

Forth, as soon as this is done and the new version posted, we will start
the adoption poll.

/Loa
mpls wg co-chair

PS
Sorry for the delays, I've been traveling


-- 


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 Dec 10 17:17:34 2015
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To: Ross Callon <rcallon@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>
References: <DM2PR05MB5732119D3B17C3AD96E24E6A5E90@DM2PR05MB573.namprd05.prod.outlook.com>
From: Loa Andersson <loa@pi.nu>
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Subject: Re: [mpls] Poll for adoption for draft-bryant-mpls-flow-ident-03
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Ross, working group,

I've finally had time to (re-)read the draft and think it is ready to
be adopted as a working group document.

I've a few nits . e.g. Stewart is listed twice as author, and I'd like
to know why RFC 6374 is not normative. But this can be resolved when the
draft is a wg document.

/Loa

On 2015-12-11 06:38, Ross Callon wrote:
> Just a reminder that this poll is still going on, and will close next
> Wednesday.
> Thanks, Ross
> _____________________________________________
> *From:* Ross Callon
> *Sent:* Tuesday, November 24, 2015 3:29 PM
> *To:* mpls@ietf.org
> *Cc:* mpls-chairs@ietf.org
> *Subject:* Poll for adoption for draft-bryant-mpls-flow-ident-03
> This is to start a poll on adopting draft-bryant-mpls-flow-ident-03 as
> an MPLS working group
> document. Because this poll will occur over the US thanksgiving holiday,
> it will be extended
> to three weeks.
> Please send your comments (support/not support) to the mpls working group
> mailing list (_mpls@ietf.org_ <mailto:mpls@ietf.org>).
> There are no IPR disclosures pertaining to the draft. The authors have
> all indicated that
> they are not aware of any IPR that applies to this document. The authors
> have also pointed
> out that one of the documents referenced by
> draft-bryant-mpls-flow-ident-03 does have an
> IPR declaration against it.
> This poll for adoption will end Wednesday December 16, 2015.
> Thanks, Ross


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From: "Dongjie (Jimmy)" <jie.dong@huawei.com>
To: Ross Callon <rcallon@juniper.net>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Poll for adoption for draft-bryant-mpls-flow-ident-03
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Hi Ross,

This is a useful document and I support the adoption.

Best regards,
Jie

From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Ross Callon
Sent: Wednesday, November 25, 2015 4:29 AM
To: mpls@ietf.org
Cc: mpls-chairs@ietf.org
Subject: [mpls] Poll for adoption for draft-bryant-mpls-flow-ident-03

This is to start a poll on adopting draft-bryant-mpls-flow-ident-03 as an M=
PLS working group
document. Because this poll will occur over the US thanksgiving holiday, it=
 will be extended
to three weeks.

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

There are no IPR disclosures pertaining to the draft. The authors have all =
indicated that
they are not aware of any IPR that applies to this document. The authors ha=
ve also pointed
out that one of the documents referenced by draft-bryant-mpls-flow-ident-03=
 does have an
IPR declaration against it.

This poll for adoption will end Wednesday December 16, 2015.

Thanks, Ross


--_000_76CD132C3ADEF848BD84D028D243C9277441C303nkgeml512mbxchi_
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</head>
<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 Ross,<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">This is a =
useful document and I support the adoption.<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">Jie<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;"> mpls [mailto:mpls-bounces@ietf.org]
<b>On Behalf Of </b>Ross Callon<br>
<b>Sent:</b> Wednesday, November 25, 2015 4:29 AM<br>
<b>To:</b> mpls@ietf.org<br>
<b>Cc:</b> mpls-chairs@ietf.org<br>
<b>Subject:</b> [mpls] Poll for adoption for draft-bryant-mpls-flow-ident-0=
3<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" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;">This is to start a poll =
on adopting draft-bryant-mpls-flow-ident-03 as an MPLS working group
<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;">document. Because this p=
oll will occur over the US thanksgiving holiday, it will be extended
<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;">to three weeks.
<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>
</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;">mailing list (<a href=3D=
"mailto:mpls@ietf.org">mpls@ietf.org</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;">There are no IPR disclos=
ures pertaining to the draft. The authors have all indicated that
<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;">they are not aware of an=
y IPR that applies to this document. The authors have also pointed
<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;">out that one of the docu=
ments referenced by draft-bryant-mpls-flow-ident-03 does have an<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;">IPR declaration against =
it.
<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 for adoption w=
ill end Wednesday December 16, 2015.
<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>
</div>
</div>
</div>
</body>
</html>

--_000_76CD132C3ADEF848BD84D028D243C9277441C303nkgeml512mbxchi_--


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> On Dec 10, 2015, at 6:01 PM, Kireeti Kompella =
<kireeti.kompella@gmail.com> wrote:
>=20
> Hi Yimin,
>=20
> Thanks for your review!
>=20
> On Fri, Dec 4, 2015 at 10:17 PM, Yimin Shen <yshen@juniper.net =
<mailto:yshen@juniper.net>> wrote:
> Hi authors,
>=20
> I was selected as a reviewer for the draft-smack-mpls-rfc4379bis, and =
I have completed my review.
>=20
> I think this draft is useful, providing an overdue update for RFC =
4379, which is the base RFC of a widely deployed protocol in MPLS =
networks.
>=20
> One issue I have is that the draft is still specifying the packet =
format and mechanisms based on the Downstream Mapping TLV, which has =
been deprecated by the Downstream Detailed Mapping TLV defined by RFC =
6424. I notice the section 1.5 where it briefly mentions the evaluation =
of incorporating some new RFCs to this draft. But it is unclear to me =
what the decision will be, whether the draft would stop here to provide =
just backward compatibility or it will take further steps to incorporate =
RFC 6424. So, before the draft is adopted, I'd like to see draft =
progress a little further on the to-do list and give and clearer =
strategy on this.
>=20
> I don't really care whether this is done before or after WG adoption.  =
However, one question for the WG is, should deprecated TLVs be moved =
into an appendix?  Sort of as follows:
>=20
> 3.2.8 <http://tools.ietf.org/html/rfc4379#section-3.2.8>.  FEC 128 =
Pseudowire (Deprecated)
>=20
> (See Appendix A for details.)
>=20
> 3.2.9 <http://tools.ietf.org/html/rfc4379#section-3.2.9>.  FEC 128 =
Pseudowire (Current)
>=20
> ...
>=20
> [and of course put the text currently in section 3.2.8 in the =
Appendix.]  This preserves the historical stuff while moving them out of =
the way of implementors.
>=20
> Cheers,
> Kireeti.
>=20

I think that moving deprecated items to an Appendix is useful and will =
help clean up the spec.

Thanks!

=E2=80=94 Carlos.

> Thanks,
>=20
> /Yimin Shen
>=20
>=20
>=20
>=20
> --
> Kireeti


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><br class=3D""><div><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Dec 10, 2015, at 6:01 PM, Kireeti Kompella &lt;<a =
href=3D"mailto:kireeti.kompella@gmail.com" =
class=3D"">kireeti.kompella@gmail.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><meta =
http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8" =
class=3D""><div dir=3D"ltr" class=3D"">Hi Yimin,<div class=3D""><br =
class=3D""></div><div class=3D"">Thanks for your review!<br =
class=3D""><div class=3D"gmail_extra"><br class=3D""><div =
class=3D"gmail_quote">On Fri, Dec 4, 2015 at 10:17 PM, Yimin Shen <span =
dir=3D"ltr" class=3D"">&lt;<a href=3D"mailto:yshen@juniper.net" =
target=3D"_blank" class=3D"">yshen@juniper.net</a>&gt;</span> wrote:<br =
class=3D""><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px =
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left=
-style:solid;padding-left:1ex">Hi authors,<br class=3D"">
<br class=3D"">
I was selected as a reviewer for the draft-smack-mpls-rfc4379bis, and I =
have completed my review.<br class=3D"">
<br class=3D"">
I think this draft is useful, providing an overdue update for RFC 4379, =
which is the base RFC of a widely deployed protocol in MPLS networks.<br =
class=3D"">
<br class=3D"">
One issue I have is that the draft is still specifying the packet format =
and mechanisms based on the Downstream Mapping TLV, which has been =
deprecated by the Downstream Detailed Mapping TLV defined by RFC 6424. I =
notice the section 1.5 where it briefly mentions the evaluation of =
incorporating some new RFCs to this draft. But it is unclear to me what =
the decision will be, whether the draft would stop here to provide just =
backward compatibility or it will take further steps to incorporate RFC =
6424. So, before the draft is adopted, I'd like to see draft progress a =
little further on the to-do list and give and clearer strategy on =
this.<br class=3D""></blockquote><div class=3D""><br class=3D""></div><div=
 class=3D"">I don't really care whether this is done before or after WG =
adoption.&nbsp; However, one question for the WG is, should deprecated =
TLVs be moved into an appendix?&nbsp; Sort of as follows:</div><div =
class=3D""><br class=3D""></div><div class=3D""><pre class=3D"" =
style=3D"font-size: 13px; margin-top: 0px; margin-bottom: 0px;"><span =
class=3D"h4" =
style=3D"line-height:0pt;display:inline;font-size:1em;font-weight:bold"><h=
4 style=3D"line-height:0pt;display:inline;font-size:1em" class=3D""><a =
class=3D"" name=3D"section-3.2.8" =
href=3D"http://tools.ietf.org/html/rfc4379#section-3.2.8" =
style=3D"text-decoration: none;">3.2.8</a>.  FEC 128 Pseudowire =
(Deprecated)</h4></span></pre><pre class=3D"" style=3D"font-size: 13px; =
margin-top: 0px; margin-bottom: 0px;"><span class=3D"h4" =
style=3D"line-height:0pt;display:inline;font-size:1em;font-weight:bold"><h=
4 style=3D"line-height:0pt;display:inline;font-size:1em" class=3D""><br =
class=3D""></h4></span></pre><pre class=3D"" style=3D"font-size: 13px; =
margin-top: 0px; margin-bottom: 0px;"><span class=3D"h4" =
style=3D"line-height:0pt;display:inline;font-size:1em"><h4 =
style=3D"line-height:0pt;display:inline;font-size:1em" class=3D"">(<span =
style=3D"font-weight:normal" class=3D"">See Appendix A for =
details.)</span></h4></span></pre><pre class=3D"" style=3D"font-size: =
13px; margin-top: 0px; margin-bottom: 0px;"><span class=3D"h4" =
style=3D"line-height:0pt;display:inline;font-size:1em"><h4 =
style=3D"line-height:0pt;display:inline;font-size:1em" class=3D""><span =
style=3D"font-weight:normal" class=3D""><br =
class=3D""></span></h4></span></pre><pre class=3D"" style=3D"font-size: =
13px; margin-top: 0px; margin-bottom: 0px;"><span class=3D"h4" =
style=3D"line-height:0pt;display:inline;font-size:1em;font-weight:bold"><h=
4 style=3D"line-height:0pt;display:inline;font-size:1em" class=3D""><a =
class=3D"" name=3D"section-3.2.9" =
href=3D"http://tools.ietf.org/html/rfc4379#section-3.2.9" =
style=3D"text-decoration: none;">3.2.9</a>.  FEC 128 Pseudowire =
(Current)</h4></span>
</pre><pre class=3D"" style=3D"font-size: 13px; margin-top: 0px; =
margin-bottom: 0px;"><br class=3D""></pre><pre class=3D"" =
style=3D"font-size:13px;margin-top:0px;margin-bottom:0px"><font =
color=3D"#500050" class=3D""><b class=3D"">...</b></font></pre><pre =
class=3D"" style=3D"font-size: 13px; margin-top: 0px; margin-bottom: =
0px;"><span class=3D"h4" =
style=3D"line-height:0pt;display:inline;font-size:1em"><h4 =
style=3D"line-height:0pt;display:inline;font-size:1em" class=3D""><span =
style=3D"font-weight:normal" class=3D""><br =
class=3D""></span></h4></span></pre><pre class=3D"" =
style=3D"margin-top:0px;margin-bottom:0px"><span class=3D"h4" =
style=3D"line-height:0pt;display:inline"><h4 =
style=3D"line-height:0pt;display:inline" class=3D""><font size=3D"2" =
face=3D"arial, helvetica, sans-serif" class=3D""><font class=3D""><span =
style=3D"font-weight:normal" class=3D"">[and of </span></font><span =
style=3D"font-weight:normal" class=3D"">course</span><font =
class=3D""><span style=3D"font-weight:normal" class=3D""> put the text =
currently in section 3.2.8 in the Appendix.]  This preserves the =
historical stuff while moving them out of the way of =
implementors.</span></font></font></h4></span></pre><pre class=3D"" =
style=3D"margin-top:0px;margin-bottom:0px"><span class=3D"h4" =
style=3D"line-height:0pt;display:inline"><h4 =
style=3D"line-height:0pt;display:inline" class=3D""><font size=3D"2" =
face=3D"arial, helvetica, sans-serif" class=3D""><font class=3D""><span =
style=3D"font-weight:normal" class=3D""><br =
class=3D""></span></font></font></h4></span></pre><pre class=3D"" =
style=3D"margin-top:0px;margin-bottom:0px"><span class=3D"h4" =
style=3D"line-height:0pt;display:inline"><h4 =
style=3D"line-height:0pt;display:inline" class=3D""><font size=3D"2" =
face=3D"arial, helvetica, sans-serif" class=3D""><font class=3D""><span =
style=3D"font-weight:normal" =
class=3D"">Cheers,</span></font></font></h4></span></pre><pre class=3D"" =
style=3D"margin-top:0px;margin-bottom:0px"><span class=3D"h4" =
style=3D"line-height:0pt;display:inline"><h4 =
style=3D"line-height:0pt;display:inline" class=3D""><font size=3D"2" =
face=3D"arial, helvetica, sans-serif" class=3D""><font class=3D""><span =
style=3D"font-weight:normal" =
class=3D"">Kireeti.</span></font></font></h4></span></pre></div><div =
class=3D"">&nbsp;</div></div></div></div></div></div></blockquote><div><br=
 class=3D""></div><div>I think that moving deprecated items to an =
Appendix is useful and will help clean up the spec.</div><div><br =
class=3D""></div><div>Thanks!</div><div><br class=3D""></div><div>=E2=80=94=
 Carlos.</div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D""><div dir=3D"ltr" class=3D""><div class=3D""><div =
class=3D"gmail_extra"><div class=3D"gmail_quote"><blockquote =
class=3D"gmail_quote" style=3D"margin:0px 0px 0px =
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left=
-style:solid;padding-left:1ex">
Thanks,<br class=3D"">
<br class=3D"">
/Yimin Shen<br class=3D"">
<br class=3D"">
</blockquote></div><br class=3D""><br clear=3D"all" class=3D""><div =
class=3D""><br class=3D""></div>-- <br class=3D""><div =
class=3D"gmail_signature">Kireeti</div>
</div></div></div>
</div></blockquote></div><br class=3D""></body></html>=

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From nobody Mon Dec 14 15:21:30 2015
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From: Gregory Mirsky <gregory.mirsky@ericsson.com>
To: "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: Progressing Resdience Time Measurement draft
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Date: Mon, 14 Dec 2015 23:21:24 +0000
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Subject: [mpls] Progressing Resdience Time Measurement draft
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Dear Chairs of the MPLS WG,
authors of the Residence Time Measurement in MPLS Network draft believe tha=
t all comments received during the WG adoption call been addressed. Thus, a=
uthors would like to ask the WG Chairs to consider WG LC as the next step.

                Regards,
                                Greg

--_000_7347100B5761DC41A166AC17F22DF11221965953eusaamb103erics_
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<p class=3D"MsoNormal">Dear Chairs of the MPLS WG,<o:p></o:p></p>
<p class=3D"MsoNormal">authors of the Residence Time Measurement in MPLS Ne=
twork draft believe that all comments received during the WG adoption call =
been addressed. Thus, authors would like to ask the WG Chairs to consider W=
G LC as the next step.<o:p></o:p></p>
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To: Gregory Mirsky <gregory.mirsky@ericsson.com>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
References: <7347100B5761DC41A166AC17F22DF11221965953@eusaamb103.ericsson.se>
From: Loa Andersson <loa@pi.nu>
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Date: Tue, 15 Dec 2015 11:23:05 +0800
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Cc: "draft-ietf-mpls-residence-time@tools.ietf.org" <draft-ietf-mpls-residence-time@tools.ietf.org>
Subject: Re: [mpls] Progressing Resdience Time Measurement draft
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Working Group and authors,

<chair hat off>
As a matter of fact I believe this document should be progressed.
<chair hat on>
This draft has been a working group document since early August, but
there has been no discussion on the document on the wg mailing list.

There are of course two ways if interpreting this.
- there is total agreement on the draft
- there is no intrest in the draft

I have no basis to decide which is the case.

Can we plese have at least a few (non-author) comments on the mailing
list if it is time to start the wglc.

/Loa
mpls wg co-chair

On 2015-12-15 07:21, Gregory Mirsky wrote:
> Dear Chairs of the MPLS WG,
>
> authors of the Residence Time Measurement in MPLS Network draft believe
> that all comments received during the WG adoption call been addressed.
> Thus, authors would like to ask the WG Chairs to consider WG LC as the
> next step.
>
>                  Regards,
>
>                                  Greg
>
>
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>


From nobody Mon Dec 14 23:41:10 2015
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To: Loa Andersson <loa@pi.nu>, Gregory Mirsky <gregory.mirsky@ericsson.com>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
References: <7347100B5761DC41A166AC17F22DF11221965953@eusaamb103.ericsson.se> <566F8799.1070305@pi.nu>
From: Stewart Bryant <stewart.bryant@gmail.com>
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Date: Tue, 15 Dec 2015 07:41:05 +0000
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Subject: Re: [mpls] Progressing Resdience Time Measurement draft
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Loa

This is something of a crossover draft with the  work of the TICTOC/NTP 
folks
so they should also be asked to comment.

Stewart



On 15/12/2015 03:23, Loa Andersson wrote:
>
> Working Group and authors,
>
> <chair hat off>
> As a matter of fact I believe this document should be progressed.
> <chair hat on>
> This draft has been a working group document since early August, but
> there has been no discussion on the document on the wg mailing list.
>
> There are of course two ways if interpreting this.
> - there is total agreement on the draft
> - there is no intrest in the draft
>
> I have no basis to decide which is the case.
>
> Can we plese have at least a few (non-author) comments on the mailing
> list if it is time to start the wglc.
>
> /Loa
> mpls wg co-chair
>
> On 2015-12-15 07:21, Gregory Mirsky wrote:
>> Dear Chairs of the MPLS WG,
>>
>> authors of the Residence Time Measurement in MPLS Network draft believe
>> that all comments received during the WG adoption call been addressed.
>> Thus, authors would like to ask the WG Chairs to consider WG LC as the
>> next step.
>>
>>                  Regards,
>>
>>                                  Greg
>>
>>
>>
>> _______________________________________________
>> 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 Dec 14 23:54:21 2015
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From: "Anil Kumar S N (VRP Network BL)" <anil.sn@huawei.com>
To: Stewart Bryant <stewart.bryant@gmail.com>, Loa Andersson <loa@pi.nu>, Gregory Mirsky <gregory.mirsky@ericsson.com>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: [mpls] Progressing Resdience Time Measurement draft
Thread-Index: AQHRNwv994tPdfeKu0eq97evYWkBGJ7Lq6qA
Date: Tue, 15 Dec 2015 07:54:08 +0000
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References: <7347100B5761DC41A166AC17F22DF11221965953@eusaamb103.ericsson.se> <566F8799.1070305@pi.nu> <566FC411.7060405@gmail.com>
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Subject: Re: [mpls] Progressing Resdience Time Measurement draft
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Hi,

	As a active member of NTP protocol working group.
=09
	I would like to know how this draft is helping NTP to improve clock synchr=
onization accuracy ?
	I am sure NTP is well written to take care of delay in the network.=20
	Does it makes sense to modify time protocol messages by other protocols ?

	I am not convinced this draft is going to help NTP anyway.=20

	So I am not for it till now. I don't have agreement with this draft as of =
now.
	I am ready to get convinced, if I get answers for above two questions.

Thanks & Regards
Anil S N

"Be liberal in what you accept, and conservative in what you send" - Jon Po=
stel


-----Original Message-----
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Stewart Bryant
Sent: 15 December 2015 15:41
To: Loa Andersson; Gregory Mirsky; mpls-chairs@ietf.org; mpls@ietf.org
Cc: draft-ietf-mpls-residence-time@tools.ietf.org
Subject: Re: [mpls] Progressing Resdience Time Measurement draft

Loa

This is something of a crossover draft with the  work of the TICTOC/NTP fol=
ks so they should also be asked to comment.

Stewart



On 15/12/2015 03:23, Loa Andersson wrote:
>
> Working Group and authors,
>
> <chair hat off>
> As a matter of fact I believe this document should be progressed.
> <chair hat on>
> This draft has been a working group document since early August, but=20
> there has been no discussion on the document on the wg mailing list.
>
> There are of course two ways if interpreting this.
> - there is total agreement on the draft
> - there is no intrest in the draft
>
> I have no basis to decide which is the case.
>
> Can we plese have at least a few (non-author) comments on the mailing=20
> list if it is time to start the wglc.
>
> /Loa
> mpls wg co-chair
>
> On 2015-12-15 07:21, Gregory Mirsky wrote:
>> Dear Chairs of the MPLS WG,
>>
>> authors of the Residence Time Measurement in MPLS Network draft=20
>> believe that all comments received during the WG adoption call been addr=
essed.
>> Thus, authors would like to ask the WG Chairs to consider WG LC as=20
>> the next step.
>>
>>                  Regards,
>>
>>                                  Greg
>>
>>
>>
>> _______________________________________________
>> 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 Tue Dec 15 05:36:17 2015
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To: "mpls@ietf.org" <mpls@ietf.org>
From: Loa Andersson <loa@pi.nu>
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Subject: [mpls] WG mailing list discussion on draft-chandra-mpls-ri-rsvp-frr
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   WG, authors, mpls-rt reviewers of draft-chandra-mpls-ri-rsvp-frr:

   We have done an mpls-rt review of this document. The working group
   chairs have discussed this.

   We understand that the outcome can be summarized as follows
   (1) the draft addresses a real problem
   (2) there are concerns that that proposed solutions further
   complicates RSVP-TE as protocol.

   We would like to see further discussion on the mpls and teas wg
   mailing list, to see if there is a potentially simpler solution, or if
   simplifications to the solution proposed in the draft are possible.

   As part of this we would like to see the authors and reviewers (also
   on the mailing list) further discuss the issues brought in the mpls-rt
   review.

   The schedule for this includes discussions in Buenos Aires, and a
   potential working group adoption poll after the meeting.

   /Loa
   for the mpls working group 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 Dec 15 11:49:23 2015
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To: "Anil Kumar S N (VRP Network BL)" <anil.sn@huawei.com>, Loa Andersson <loa@pi.nu>, Gregory Mirsky <gregory.mirsky@ericsson.com>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, "mpls@ietf.org" <mpls@ietf.org>
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From: Stewart Bryant <stewart.bryant@gmail.com>
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Date: Tue, 15 Dec 2015 19:49:13 +0000
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Cc: "draft-ietf-mpls-residence-time@tools.ietf.org" <draft-ietf-mpls-residence-time@tools.ietf.org>
Subject: Re: [mpls] Progressing Resdience Time Measurement draft
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Anil

In terms of accuracy achieved in a running network NTP is a relativly
low grade timing protocol. As normally implemented and deployed
it is not good enough for the more demanding applications such as
mobile phone network  synchronization, many industrial
applications, or even one way packet delay measurement.

One reason for this is the delay variation across the network, which
is something that IEEE1588 atempts to address through transparent
clock

This draft defines a  correction mechanism similar to transparent
clock, but uses a method that is easier to implement in an MPLS
network.

- Stewart

On 15/12/2015 07:54, Anil Kumar S N (VRP Network BL) wrote:
> Hi,
>
> 	As a active member of NTP protocol working group.
> 	
> 	I would like to know how this draft is helping NTP to improve clock synchronization accuracy ?
> 	I am sure NTP is well written to take care of delay in the network.
> 	Does it makes sense to modify time protocol messages by other protocols ?
>
> 	I am not convinced this draft is going to help NTP anyway.
>
> 	So I am not for it till now. I don't have agreement with this draft as of now.
> 	I am ready to get convinced, if I get answers for above two questions.
>
> Thanks & Regards
> Anil S N
>
> "Be liberal in what you accept, and conservative in what you send" - Jon Postel
>
>
> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Stewart Bryant
> Sent: 15 December 2015 15:41
> To: Loa Andersson; Gregory Mirsky; mpls-chairs@ietf.org; mpls@ietf.org
> Cc: draft-ietf-mpls-residence-time@tools.ietf.org
> Subject: Re: [mpls] Progressing Resdience Time Measurement draft
>
> Loa
>
> This is something of a crossover draft with the  work of the TICTOC/NTP folks so they should also be asked to comment.
>
> Stewart
>
>
>
> On 15/12/2015 03:23, Loa Andersson wrote:
>> Working Group and authors,
>>
>> <chair hat off>
>> As a matter of fact I believe this document should be progressed.
>> <chair hat on>
>> This draft has been a working group document since early August, but
>> there has been no discussion on the document on the wg mailing list.
>>
>> There are of course two ways if interpreting this.
>> - there is total agreement on the draft
>> - there is no intrest in the draft
>>
>> I have no basis to decide which is the case.
>>
>> Can we plese have at least a few (non-author) comments on the mailing
>> list if it is time to start the wglc.
>>
>> /Loa
>> mpls wg co-chair
>>
>> On 2015-12-15 07:21, Gregory Mirsky wrote:
>>> Dear Chairs of the MPLS WG,
>>>
>>> authors of the Residence Time Measurement in MPLS Network draft
>>> believe that all comments received during the WG adoption call been addressed.
>>> Thus, authors would like to ask the WG Chairs to consider WG LC as
>>> the next step.
>>>
>>>                   Regards,
>>>
>>>                                   Greg
>>>
>>>
>>>
>>> _______________________________________________
>>> 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


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From: Huaimo Chen <huaimo.chen@huawei.com>
To: Gregory Mirsky <gregory.mirsky@ericsson.com>, "draft-ietf-teas-rsvp-egress-protection@tools.ietf.org" <draft-ietf-teas-rsvp-egress-protection@tools.ietf.org>, "teas-chairs@ietf.org" <teas-chairs@ietf.org>, "teas@ietf.org" <teas@ietf.org>
Thread-Topic: [mpls] Comments to draft-ietf-teas-rsvp-egress-protection
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Hi Greg=1B$B!$=1B(B

See my answers/explanations inline below.

Best Regards,
Huaimo
From: Gregory Mirsky [mailto:gregory.mirsky@ericsson.com]
Sent: Tuesday, December 01, 2015 9:12 PM
To: Huaimo Chen; draft-ietf-teas-rsvp-egress-protection@tools.ietf.org; tea=
s-chairs@ietf.org; teas@ietf.org
Cc: mpls@ietf.org; rtg-bfd@ietf.org
Subject: RE: [mpls] Comments to draft-ietf-teas-rsvp-egress-protection

Hi Huaimo, et. al,
apologies for such very late response. I=1B$B!G=1B(Bve read the -02 version=
 and below you=1B$B!G=1B(Bll find my notes to changes I=1B$B!G=1B(Bve found=
. My responses to our discussion are in-line and tagged GIM>>.
Notes to -02 version:

*        section 5.1 states
   A backup egress SHOULD be configured on the ingress of an LSP to
   protect a primary egress of the LSP.
Are there scenario when this SHOULD NOT be done, when the backup egress(es)=
 are not configured?
And if this is such strong requirement, then the same is applicable to the =
next sentence that currently reads as =1B$B!H!D=1B(Boptional egress backup =
descriptor list for protecting egresses of the LSP=1B$B!I=1B(B. I think tha=
t the descriptor list SHOULD be included in the Path message by the ingress=
.

Huaimo: Yes. See the paragraph below in the draft.
The PLR (upstream node of the primary egress) extracts the backup
egress from the respective EGRESS_BACKUP object in the egress backup
descriptor list. If no matching EGRESS_BACKUP object is found or the
list is empty, the PLR may apply a local policy to determine the
backup egress and add an EGRESS_BACKUP object with the backup egress
and primary egress into a Path message to the primary egress.


*        section 5.2 states:
   If the transit node is the upstream node of a primary egress to be
   protected, it determines the backup egress, obtains a path for the
   backup LSP and sets up the backup LSP along the path.
Which, in my view, contradicts with the statement in section 5.1 that backu=
p egress(es) SHOULD be configured at LSP ingress.

Huaimo: It seems that this is not contradicts with the statement in section=
 5.1 that backup egress(es) SHOULD be configured at LSP ingress.  Just in t=
he paragraph below the one you mentioned, it gives the details.
=1B$B!H=1B(BThe PLR (upstream node of the primary egress) extracts the back=
up
egress from the respective EGRESS_BACKUP object in the egress backup
descriptor list. If no matching EGRESS_BACKUP object is found or the
list is empty, the PLR may apply a local policy to determine the
backup egress and add an EGRESS_BACKUP object with the backup egress
and primary egress into a Path message to the primary egress.=1B$B!I=1B(B




                Regards,
                                Greg

From: Huaimo Chen [mailto:huaimo.chen@huawei.com]
Sent: Monday, April 13, 2015 8:19 PM
To: Gregory Mirsky; draft-ietf-teas-rsvp-egress-protection@tools.ietf.org; =
teas-chairs@ietf.org; teas@ietf.org
Cc: mpls@ietf.org; rtg-bfd@ietf.org
Subject: RE: [mpls] Comments to draft-ietf-teas-rsvp-egress-protection

Hi Greg,

Thanks for your comments.
My answers/explanations are inline below.

Best Regards,
Huaimo
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Gregory Mirsky
Sent: Monday, April 13, 2015 2:58 PM
To: draft-ietf-teas-rsvp-egress-protection@tools.ietf.org<mailto:draft-ietf=
-teas-rsvp-egress-protection@tools.ietf.org>; teas-chairs@ietf.org<mailto:t=
eas-chairs@ietf.org>; teas@ietf.org<mailto:teas@ietf.org>
Cc: mpls@ietf.org<mailto:mpls@ietf.org>; rtg-bfd@ietf.org<mailto:rtg-bfd@ie=
tf.org>
Subject: [mpls] Comments to draft-ietf-teas-rsvp-egress-protection

Dear Editors,
please kindly consider my comments to the current version of this work:

*        Introduction

o   The third paragraph mentions that an end-to-end protection may be slowe=
r to detect failure and perform switchover then an arbitrary local protecti=
on method. I believe that that is not the case and, as been demonstrated by=
 deployments of G.8031, G.8032 and RFC 6378 end-to-end provides sub-50 msec=
 switchover and G.8013/Y.1731 and RFC 5884 failure detection is 10 msec.
[Huaimo] It seems that the statement in the paragraph is true.  For a globa=
l protection (or an end-to-end protection), it may take more time since the=
 time includes the propagation time and processing time. The propagation ti=
me may depend on the size of the network. In general, the bigger the networ=
k, the longer the propagation delay. The processing time may comprise the r=
elated processing time on every node along the path from the egress node to=
 a node interesting the failure and doing switchover.
GIM>> I think that distance, whether in number of intermediate hops or mile=
s, does not affect guaranteed defect detection time when continuity check p=
rotocol being used. In that case detection time depends only on definition =
of Loss of Continuity defect for the given protocol. For example, in CFM it=
 is period of time between 3.25 and 3.5 CCM intervals when no CCM received =
from remote MEP. BFD is little different and DetectMultiplier can be negoti=
ated between end points of the given BFD session. But regardless of these d=
ifferences, using CFM or BFD enables detection of LoC defect within 10 ms r=
egardless of the distance between end-points.

o   The last in Section 1.1 suggests that node R3 may detect failure of the=
 node L1 through monitoring BFD session between two nodes. Firstly, if this=
 is multi-hop BFD session over IP network, then there=1B$B!G=1B(Bs no guara=
ntee that its path is co-routed with the LSP segment R1-L3. Secondly, if it=
 is assumed that RFC 5884 may be used, I have to remind, that RFC 5884 oper=
ates between LSP end points and R1 is not end point. Thus, Sub-Path Mainten=
ance Entity (SPME) co-routed with the segment R1-L3 MUST be established.
[Huaimo] It seems that R3 is the upstream node of L1 and there is no multi-=
hop BFD session between R3 and L1.
This current version of the document focuses on extending the protection of=
 RFC 4090 from a transit node to an egress node. It seems that it is better=
 to have another document for others if needed.
GIM>> I couldn=1B$B!G=1B(Bt find in the document statement that the PLR R3 =
MUST be upstream to the egress. If this is the requirement, then it must be=
 explicitly stated as, in my view, it is restrictive and limits number of n=
etworks where proposed method can be used.

*        Section 5.2

o   The third paragraph assumes that if a PLR cannot establish LSP to any l=
isted LSR in the EGRESS_BACKUP object it SHOULD select it locally and recor=
d it in the EGRESS_BACKUP object. I believe that that implies that a PLR, i=
.e. any LSR in the MPLS domain is aware of all services, i.e. CEs, as that =
is required when selecting backup egress. That is serious security concern =
and must be properly addressed in Security Considerations section of the dr=
aft.
[Huaimo] This paragraph says that the upstream node of the primary egress k=
nows/determines that  there is not any backup egress given for the primary =
egress. In this case, the upstream node selects a backup egress according t=
o a local policy. The upstream node may not need to be aware of any service=
s or CEs.
GIM>> As commented above to section 5.2, this contradicts statement made in=
 section 5.1 that backup egress(es) SHOULD be configured at LSP ingress.


Regards,
                Greg

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<body lang=3D"EN-US" link=3D"blue" vlink=3D"purple">
<div class=3D"Section1">
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Hi Greg</span><span la=
ng=3D"ZH-CN" style=3D"font-family:SimSun;color:#1F497D">=1B$B!$=1B(B</span>=
<span style=3D"color:#1F497D"><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" style=3D"text-indent:9.6pt"><span style=3D"color:#1F=
497D">See my answers/explanations inline below.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:9.6pt"><span style=3D"color:#1F=
497D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Best Regards,<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Huaimo<o:p></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;"> Gregory =
Mirsky [mailto:gregory.mirsky@ericsson.com]
<br>
<b>Sent:</b> Tuesday, December 01, 2015 9:12 PM<br>
<b>To:</b> Huaimo Chen; draft-ietf-teas-rsvp-egress-protection@tools.ietf.o=
rg; teas-chairs@ietf.org; teas@ietf.org<br>
<b>Cc:</b> mpls@ietf.org; rtg-bfd@ietf.org<br>
<b>Subject:</b> RE: [mpls] Comments to draft-ietf-teas-rsvp-egress-protecti=
on<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"color:#1F497D">Hi Huaimo, et. al,<o:p=
></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">apologies for such ver=
y late response. I=1B$B!G=1B(Bve read the -02 version and below you=1B$B!G=
=1B(Bll find my notes to changes I=1B$B!G=1B(Bve found. My responses to our=
 discussion are in-line and tagged GIM&gt;&gt;.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Notes to -02 version:<=
o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l1 level=
1 lfo2"><![if !supportLists]><span style=3D"font-family:Symbol;color:#1F497=
D"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &quot;=
Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"color:#1F497D">section 5.1 st=
ates<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">&nbsp;&nbsp; A backup egress SHOULD be configured on the ingress of an=
 LSP to<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">&nbsp;&nbsp; protect a primary egress of the LSP.<o:p></o:p></span></p=
>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">Are there scenario when this SHOULD NOT be done, when the backup egres=
s(es) are not configured?<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">And if this is such strong requirement, then the same is applicable to=
 the next sentence that currently reads as =1B$B!H!D=1B(Boptional egress ba=
ckup descriptor list for protecting egresses of the
 LSP=1B$B!I=1B(B. I think that the descriptor list SHOULD be included in th=
e Path message by the ingress.<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:#180795">Huaimo: Yes. See the p=
aragraph below in the draft.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-autospace:none"><span style=3D"font-si=
ze:12.0pt;
font-family:Courier">The PLR (upstream node of the primary egress) extracts=
 the backup<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-autospace:none"><span style=3D"font-si=
ze:12.0pt;
font-family:Courier">egress from the respective EGRESS_BACKUP object in the=
 egress backup<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-autospace:none"><span style=3D"font-si=
ze:12.0pt;
font-family:Courier">descriptor list. If no matching EGRESS_BACKUP object i=
s found or the<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-autospace:none"><span style=3D"font-si=
ze:12.0pt;
font-family:Courier">list is empty, the PLR may apply a local policy to det=
ermine the<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-autospace:none"><span style=3D"font-si=
ze:12.0pt;
font-family:Courier">backup egress and add an EGRESS_BACKUP object with the=
 backup egress<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:Courier"=
>and primary egress into a Path message to the primary egress.</span><span =
style=3D"color:#180795"><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"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l1 level=
1 lfo2"><![if !supportLists]><span style=3D"font-family:Symbol;color:#1F497=
D"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &quot;=
Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"color:#1F497D">section 5.2 st=
ates:<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">&nbsp;&nbsp; If the transit node is the upstream node of a primary egr=
ess to be<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">&nbsp;&nbsp; protected, it determines the backup egress, obtains a pat=
h for the<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">&nbsp;&nbsp; backup LSP and sets up the backup LSP along the path.<o:p=
></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"color:#1F4=
97D">Which, in my view, contradicts with the statement in section 5.1 that =
backup egress(es) SHOULD be configured at LSP ingress.<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" style=3D"text-autospace:none"><span style=3D"color:#=
180795">Huaimo: It seems that this is not contradicts with the statement in=
 section 5.1 that backup egress(es) SHOULD be configured at LSP ingress. &n=
bsp;Just in the paragraph below the one you
 mentioned, it gives the details. <o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-autospace:none"><span style=3D"color:#=
180795">=1B$B!H=1B(B</span><span style=3D"font-size:12.0pt;font-family:Cour=
ier">The PLR (upstream node of the primary egress) extracts the backup<o:p>=
</o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-autospace:none"><span style=3D"font-si=
ze:12.0pt;
font-family:Courier">egress from the respective EGRESS_BACKUP object in the=
 egress backup<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-autospace:none"><span style=3D"font-si=
ze:12.0pt;
font-family:Courier">descriptor list. If no matching EGRESS_BACKUP object i=
s found or the<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-autospace:none"><span style=3D"font-si=
ze:12.0pt;
font-family:Courier">list is empty, the PLR may apply a local policy to det=
ermine the<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-autospace:none"><span style=3D"font-si=
ze:12.0pt;
font-family:Courier">backup egress and add an EGRESS_BACKUP object with the=
 backup egress<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:Courier"=
>and primary egress into a Path message to the primary egress.=1B$B!I=1B(B<=
/span><span style=3D"color:#180795"><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"MsoListParagraph"><span style=3D"color:#1F497D"><o:p>&nbsp;</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">&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Regard=
s,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">&nbsp;&nbsp;&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; Greg<o:p></o:p></span></p>
<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;"> Huaimo C=
hen [mailto:huaimo.chen@huawei.com]
<br>
<b>Sent:</b> Monday, April 13, 2015 8:19 PM<br>
<b>To:</b> Gregory Mirsky; draft-ietf-teas-rsvp-egress-protection@tools.iet=
f.org; teas-chairs@ietf.org; teas@ietf.org<br>
<b>Cc:</b> mpls@ietf.org; rtg-bfd@ietf.org<br>
<b>Subject:</b> RE: [mpls] Comments to draft-ietf-teas-rsvp-egress-protecti=
on<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"color:#1F497D">Hi Greg,<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal" style=3D"text-indent:9.6pt"><span style=3D"color:#1F=
497D">Thanks for your comments.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:9.6pt"><span style=3D"color:#1F=
497D">My answers/explanations are inline below.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-indent:9.6pt"><span style=3D"color:#1F=
497D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Best Regards,<o:p></o:=
p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Huaimo<o:p></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;"> mpls [<a=
 href=3D"mailto:mpls-bounces@ietf.org">mailto:mpls-bounces@ietf.org</a>]
<b>On Behalf Of </b>Gregory Mirsky<br>
<b>Sent:</b> Monday, April 13, 2015 2:58 PM<br>
<b>To:</b> <a href=3D"mailto:draft-ietf-teas-rsvp-egress-protection@tools.i=
etf.org">
draft-ietf-teas-rsvp-egress-protection@tools.ietf.org</a>; <a href=3D"mailt=
o:teas-chairs@ietf.org">
teas-chairs@ietf.org</a>; <a href=3D"mailto:teas@ietf.org">teas@ietf.org</a=
><br>
<b>Cc:</b> <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>; <a href=3D"m=
ailto:rtg-bfd@ietf.org">
rtg-bfd@ietf.org</a><br>
<b>Subject:</b> [mpls] Comments to draft-ietf-teas-rsvp-egress-protection<o=
:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Dear Editors,<o:p></o:p></p>
<p class=3D"MsoNormal">please kindly consider my comments to the current ve=
rsion of this work:<o:p></o:p></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l0 level=
1 lfo4"><![if !supportLists]><span style=3D"font-family:Symbol"><span style=
=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &quot;Times New Roma=
n&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]>Introduction<o:p></o:p></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:1.0in;text-indent:-.25in=
;
mso-list:l0 level2 lfo4">
<![if !supportLists]><span style=3D"font-family:&quot;Courier New&quot;"><s=
pan style=3D"mso-list:Ignore">o<span style=3D"font:7.0pt &quot;Times New Ro=
man&quot;">&nbsp;&nbsp;
</span></span></span><![endif]>The third paragraph mentions that an end-to-=
end protection may be slower to detect failure and perform switchover then =
an arbitrary local protection method. I believe that that is not the case a=
nd, as been demonstrated by deployments
 of G.8031, G.8032 and RFC 6378 end-to-end provides sub-50 msec switchover =
and G.8013/Y.1731 and RFC 5884 failure detection is 10 msec.<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Huaimo] It seems that=
 the statement in the paragraph is true. &nbsp;For a global protection (or =
an end-to-end protection), it may take more time since the time includes th=
e propagation time and processing time. The
 propagation time may depend on the size of the network. In general, the bi=
gger the network, the longer the propagation delay. The processing time may=
 comprise the related processing time on every node along the path from the=
 egress node to a node interesting
 the failure and doing switchover. <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">GIM&gt;&gt; I think th=
at distance, whether in number of intermediate hops or miles, does not affe=
ct guaranteed defect detection time when continuity check protocol being us=
ed. In that case detection time depends only
 on definition of Loss of Continuity defect for the given protocol. For exa=
mple, in CFM it is period of time between 3.25 and 3.5 CCM intervals when n=
o CCM received from remote MEP. BFD is little different and DetectMultiplie=
r can be negotiated between end
 points of the given BFD session. But regardless of these differences, usin=
g CFM or BFD enables detection of LoC defect within 10 ms regardless of the=
 distance between end-points.<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:1.0in;text-indent:-.25in=
;
mso-list:l0 level2 lfo4">
<![if !supportLists]><span style=3D"font-family:&quot;Courier New&quot;"><s=
pan style=3D"mso-list:Ignore">o<span style=3D"font:7.0pt &quot;Times New Ro=
man&quot;">&nbsp;&nbsp;
</span></span></span><![endif]>The last in Section 1.1 suggests that node R=
3 may detect failure of the node L1 through monitoring BFD session between =
two nodes. Firstly, if this is multi-hop BFD session over IP network, then =
there=1B$B!G=1B(Bs no guarantee that its path
 is co-routed with the LSP segment R1-L3. Secondly, if it is assumed that R=
FC 5884 may be used, I have to remind, that RFC 5884 operates between LSP e=
nd points and R1 is not end point. Thus, Sub-Path Maintenance Entity (SPME)=
 co-routed with the segment R1-L3
 MUST be established. <o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Huaimo] It seems that=
 R3 is the upstream node of L1 and there is no multi-hop BFD session betwee=
n R3 and L1.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">This current version o=
f the document focuses on extending the protection of RFC 4090 from a trans=
it node to an egress node. It seems that it is better to have another docum=
ent for others if needed.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">GIM&gt;&gt; I couldn=
=1B$B!G=1B(Bt find in the document statement that the PLR R3 MUST be upstre=
am to the egress. If this is the requirement, then it must be explicitly st=
ated as, in my view, it is restrictive and limits number
 of networks where proposed method can be used.<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l0 level=
1 lfo4"><![if !supportLists]><span style=3D"font-family:Symbol"><span style=
=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &quot;Times New Roma=
n&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]>Section 5.2<o:p></o:p></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:1.0in;text-indent:-.25in=
;
mso-list:l0 level2 lfo4">
<![if !supportLists]><span style=3D"font-family:&quot;Courier New&quot;"><s=
pan style=3D"mso-list:Ignore">o<span style=3D"font:7.0pt &quot;Times New Ro=
man&quot;">&nbsp;&nbsp;
</span></span></span><![endif]>The third paragraph assumes that if a PLR ca=
nnot establish LSP to any listed LSR in the EGRESS_BACKUP object it SHOULD =
select it locally and record it in the EGRESS_BACKUP object. I believe that=
 that implies that a PLR, i.e. any
 LSR in the MPLS domain is aware of all services, i.e. CEs, as that is requ=
ired when selecting backup egress. That is serious security concern and mus=
t be properly addressed in Security Considerations section of the draft.<o:=
p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Huaimo] This paragrap=
h says that the upstream node of the primary egress knows/determines that &=
nbsp;there is not any backup egress given for the primary egress. In this c=
ase, the upstream node selects a backup egress
 according to a local policy. The upstream node may not need to be aware of=
 any services or CEs. &nbsp;&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">GIM&gt;&gt; As comment=
ed above to section 5.2, this contradicts statement made in section 5.1 tha=
t backup egress(es) SHOULD be configured at LSP ingress.<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">&nbsp;<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in">Regards,<o:p></o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in">&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Greg<o:p>=
</o:p></p>
</div>
</body>
</html>

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Thread-Topic: closed, RE: Poll for adoption for draft-bryant-mpls-flow-ident-03
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Subject: [mpls] closed, RE: Poll for adoption for draft-bryant-mpls-flow-ident-03
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This poll has now closed, and the document has been accepted as a working g=
roup document. Thanks to the authors and to all who responded.

Authors: Please submit the document as draft-ietf-mpls-flow-ident-00 withou=
t any other changes than filename, version number and dates.

Once this is done you can feel free to handle any comments received followi=
ng normal WG process.

Thanks, Ross
(as MPLS WG co-chair)

From: Ross Callon [mailto:rcallon@juniper.net]
Sent: Tuesday, November 24, 2015 3:29 PM
To: mpls@ietf.org
Cc: mpls-chairs@ietf.org
Subject: Poll for adoption for draft-bryant-mpls-flow-ident-03

This is to start a poll on adopting draft-bryant-mpls-flow-ident-03 as an M=
PLS working group
document. Because this poll will occur over the US thanksgiving holiday, it=
 will be extended
to three weeks.

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

There are no IPR disclosures pertaining to the draft. The authors have all =
indicated that
they are not aware of any IPR that applies to this document. The authors ha=
ve also pointed
out that one of the documents referenced by draft-bryant-mpls-flow-ident-03=
 does have an
IPR declaration against it.

This poll for adoption will end Wednesday December 16, 2015.

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">This poll has now closed,=
 and the document has been accepted as a working group document. Thanks to =
the authors and to all who responded.
<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">Authors: Please submit th=
e document as draft-ietf-mpls-flow-ident-00 without any other changes than =
filename, version number and dates.<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">Once this is done you can=
 feel free to handle any comments received following normal WG process.
<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 MPLS 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 [mailto:rcallon@juniper.net]
<br>
<b>Sent:</b> Tuesday, November 24, 2015 3:29 PM<br>
<b>To:</b> mpls@ietf.org<br>
<b>Cc:</b> mpls-chairs@ietf.org<br>
<b>Subject:</b> Poll for adoption for draft-bryant-mpls-flow-ident-03<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-bryant-mpls-flow-ident-03 as an MPLS working group
<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;">document. Because this poll will occur =
over the US thanksgiving holiday, it will be extended
<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;">to three weeks.
<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>
</div>
<div>
<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">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;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;">There are no IPR disclosures pertaining=
 to the draft. The authors have all indicated that
<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;">they are not aware of any IPR that appl=
ies to this document. The authors have also pointed
<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;">out that one of the documents reference=
d by draft-bryant-mpls-flow-ident-03 does have an<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;">IPR declaration against it.
<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 for adoption will end Wednesd=
ay December 16, 2015.
<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_DM2PR05MB57358166429A614FFDB43F6A5E00DM2PR05MB573namprd_--


From nobody Thu Dec 17 11:02:57 2015
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Subject: [mpls] The MPLS WG has placed draft-bryant-mpls-flow-ident in state "Adopted by a WG"
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The MPLS WG has placed draft-bryant-mpls-flow-ident in state 
Adopted by a WG (entered by Ross Callon)

The document is available at
https://datatracker.ietf.org/doc/draft-bryant-mpls-flow-ident/


Comment:
to be replaced by draft-ietf-mpls-flow-ident


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From: Chandrasekar Ramachandran <csekar@juniper.net>
To: Chandrasekar Ramachandran <csekar@juniper.net>, "Aissaoui, Mustapha (Mustapha)" <mustapha.aissaoui@alcatel-lucent.com>, Sriganesh Kini <sriganesh.kini@ericsson.com>, Loa Andersson <loa@pi.nu>, Lucy yong <lucy.yong@huawei.com>
Thread-Topic: MPLS-RT review of draft-chandra-mpls-ri-rsvp-frr
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Cc: Guijuan Wang 3 <guijuan.wang@ericsson.com>, "mpls@ietf.org" <mpls@ietf.org>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, "draft-chandra-mpls-ri-rsvp-frr@ietf.org" <draft-chandra-mpls-ri-rsvp-frr@ietf.org>, Lizhong Jin <lizho.jin@gmail.com>
Subject: Re: [mpls] MPLS-RT review of draft-chandra-mpls-ri-rsvp-frr
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Mustapha,
Did my response address your concerns? If I have understood you correctly, =
the concerns fall in two categories and I have tried to address these conce=
rns.
(A) The need for introducing refresh-interval independent behavior into RSV=
P-TE
(B) Why some kind of local implementation based timers will not be sufficie=
nt to support long refresh intervals

Do you have any specific comment on my responses? Specifically, do you stil=
l think the responses did not address (A), or (B) or both?

Regards,
Chandra.

> -----Original Message-----
> From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Chandrasekar
> Ramachandran
> Sent: Thursday, December 03, 2015 12:58 AM
> To: Aissaoui, Mustapha (Mustapha) <mustapha.aissaoui@alcatel-lucent.com>;
> Sriganesh Kini <sriganesh.kini@ericsson.com>; Loa Andersson <loa@pi.nu>;
> Lucy yong <lucy.yong@huawei.com>
> Cc: mpls-chairs@ietf.org; mpls@ietf.org; draft-chandra-mpls-ri-rsvp-
> frr@ietf.org; Guijuan Wang 3 <guijuan.wang@ericsson.com>; Lizhong Jin
> <lizho.jin@gmail.com>
> Subject: Re: [mpls] MPLS-RT review of draft-chandra-mpls-ri-rsvp-frr
>=20
> Mustapha,
>=20
> > -----Original Message-----
> > From: Aissaoui, Mustapha (Mustapha) [mailto:mustapha.aissaoui@alcatel-
> > lucent.com]
> > Sent: Thursday, November 26, 2015 8:48 AM
> > To: Sriganesh Kini <sriganesh.kini@ericsson.com>; Loa Andersson
> > <loa@pi.nu>; Lucy yong <lucy.yong@huawei.com>
> > Cc: Lizhong Jin <lizho.jin@gmail.com>; Guijuan Wang 3
> > <guijuan.wang@ericsson.com>; draft-chandra-mpls-ri-rsvp-frr@ietf.org;
> > mpls-chairs@ietf.org; Aissaoui, Mustapha (Mustapha)
> > <mustapha.aissaoui@alcatel-lucent.com>; mpls@ietf.org
> > Subject: RE: MPLS-RT review of draft-chandra-mpls-ri-rsvp-frr
> >
> > Dear authors,
> > I read this draft and I believe the intent is to provide a tighter cont=
rol plane
> > synchronization of the PLR and MP roles on a per RSVP session basis suc=
h
> > that a LSR will know if it is a MP for a given RSVP session which reque=
sted
> > protection. This is done such that the decision to retain or delete the=
 state by
> > the LSR detecting the failure of the link to the previous hop (or the f=
ailure of
> > the previous hop itself) is made with the prior knowledge that the LSR =
is a MP
> > or not on a per RSVP session basis.
>=20
> [Chandra] The primary motivation of the draft is to enable LSRs to suppor=
t FRR
> when the LSP scale on the LSR is of the order of hundreds of thousands. T=
he
> analysis of the bottlenecks as a consequence of LSP scale, that can cause
> disruption of the LSR has already been documented in RFC 5439. As analyze=
d in
> RFC 5439, while there is a correlation between the percentage increase in
> refresh time and the improvement in LSR performance, there is a degree of
> functionality that is lost owing to the soft-state nature of the protocol=
. TE-
> SCALE-REC (https://tools.ietf.org/html/draft-ietf-teas-rsvp-te-scaling-re=
c-00)
> outlines the motivation for refresh independent RSVP (RI-RSVP) for all ty=
pes of
> LSPs (packet or non-packet), and makes recommendations to enable RSVP
> implementations eliminate the reliance on short refresh time. This draft
> addresses the refresh-interval dependent behavior of RFC 4090 in order to
> support RI-RSVP, as facility backup FRR is a widely deployed feature in
> production networ
>  ks.
>=20
> > However,  the procedures presented in this document are fairly complex =
and
> > go at odds with the original intent of making state synchronization bas=
ed on
> > a soft-state mechanism.
>=20
> [Chandra] The tradeoffs between using short or long refresh intervals has=
 been
> well understood. Short refresh intervals aid fast synchronization of stat=
es along
> the path of the LSP, but is problematic because of the control message tr=
affic
> that a router has to handle at high LSP scale. Routers not only must sync=
hronize
> new states as promptly as possible, but also must maintain the rate of pe=
riodic
> Srefresh messages to a level sufficient to refresh all existing states wi=
thout being
> timed out. When the number of LSPs that routers carry approach half a mil=
lion,
> there will be two problems with the control message rate.
> (1) As analyzed in RFC 5439, even with RFC 2961 refresh reduction the siz=
e of
> Srefresh message may become very large, and the processing required may
> cause disruption of the LSR.
> (2) Apart from the problem of RSVP message processing overhead, there is =
also
> the problem of RSVP-TE becoming a bottleneck preventing the router to sca=
le
> other protocols or services.
>=20
> > In fact, what I fail to find is a compelling argument
> > or data from the field which shows the issue is not resolved via much s=
impler
> > methods which are used in production networks today. I describe this in=
 the
> > detailed comments below.
>=20
> [Chandra] Some of the mechanisms already deployed in multi-vendor product=
ion
> networks involve configuring implementation specific timers or delays on =
LSRs.
> Multiple vendors support various timers or delays on Ingress and Transit =
LSRs.
> However, in practice the values configured for these timers or delays are=
 very
> scale specific, and the values that work at one LSP scale usually do not =
work at
> higher LSP scale. In practice, the "scale" that impacts the behavior at s=
pecific
> timer or delay value is not only the number of LSPs carried on the router=
, but
> also the number of other protocol states that reside on the router. It sh=
ould be
> noted that the reliance on such implementation specific timers or delays =
has
> been a major contributor of operational complexity in running RSVP-TE FRR=
. Any
> solution based on such timers or delays while being operationally simple =
at one
> scale ceases to be so at higher scale. It has been practically found (wit=
h existing
> implementations from multiple vendors) tha
>  t it is operationally hard to find out the new better value as a running
> production network grows over time. In short, the use of such timers or d=
elays
> has been found to involve guess work that seldom remain simple in the lon=
g run.
>=20
> > Regards,
> > Mustapha.
> > ---------------------
> > 1. Section 3.1 - Problem Description
> > "
> > - If the protected LSP on C times out before D receives signaling
> > for the backup LSP, then D would receive PathTear from C prior to
> > receiving signaling for the backup LSP, thus resulting in deleting
> > the LSP state. This would be possible at scale even with default
> > refresh time.
> > "
> > MA> Since each LSR in the path of a RSVP session which requested protec=
tion
> > has to assume it can be a MP without prior knowledge, a simpler method =
is
> > to reset the refresh timeout for each session as soon as the link to th=
e
> > previous hop failed. In fact, a user configurable MP timeout upon failu=
re,
> > independent of the refresh timeout, can be provided to tune it to the d=
esired
> > value to give enough time to the Path message to be received via the by=
pass
> > LSP.
>=20
> [Chandra] The option of resetting the refresh timeout may not be viable i=
f long
> refresh interval (of the order of tens of minutes) is applied on the LSPs=
. That
> leaves the other option of providing a "wait timer" (independent of refre=
sh time)
> that is configurable on the MP. However, it is fairly clear that the "wai=
t timer"
> that the operator should configure on MP will be problematic for two reas=
ons.
> The operator should carefully analyze the performance impact of an existi=
ng
> timer/delay value if and when (a) the LSP scale on the same router increa=
ses,
> and (2) the LSP scale increases on other routers around it (that may pote=
ntially
> become upstream PLRs)!
>=20
> > 2. Section 3.1 - Problem Description:
> > "
> > - If upon the link failure C is to keep state until its timeout,
> > then with long refresh interval this may result in a large amount
> > of stale state on C. Alternatively, if upon the link failure C is
> > to delete the state and send PathTear to D, this would result in
> > deleting the state on D, thus deleting the LSP. D needs a reliable
> > mechanism to determine whether it is MP or not to overcome this
> > problem.
> > "
> > MA> What is exactly the issue with state timeout being retained until t=
he
> > refresh timeout? You refer to this as "stale" state but in fact it is d=
esirable to
> > keep the state until node D created the backup PSB. Also, remember that
> > head-end node will perform global revertive MBB and may tear down the L=
SP
> > before the state timeout.
>=20
> [Chandra] As described in the first response in this mail, the motivation=
 driving
> the draft is to eliminate RSVP-TE's reliance of short refresh intervals. =
If router C
> were to retain the LSP state until time out, without any additional proce=
dures
> that provide an explicit indication to router C on when the LSP state is =
no longer
> required, then router C would retain the LSP state potentially for hours =
if the
> refresh interval is long. So, router C will not only store the state of t=
he LSP but
> also periodically send the Path message (in Srefresh) downstream - thereb=
y
> unnecessarily consuming resources that could potentially be utilized for =
other
> LSPs.
>=20
> It should also be noted that the transit router cannot assume that Ingres=
s LSR
> will be able to complete global repair within a particular time frame. Th=
e transit
> LSR procedures should be able to handle cases when global repair does not
> complete for some valid reason for an extended period of time.
>=20
> > 3. Section 3.1 - Problem Statement:
> > "
> > - If head-end A attempts to tear down LSP after step 1 but before
> > step 2 of the above sequence, then B may receive the tear down
> > message before step 2 and delete the LSP state from its state
> > database. If B deletes its state without informing D, with long
> > refresh interval this could cause (large) buildup of stale state
> > on D.
> > "
> > MA> I am not sure I understand the issue here. If B acting as a PLR rec=
eives a
> > PathTear from A, all it needs to do is to check that the primary path n=
eighbor
> > (C in this case) is in down or in cleanup state and send the PathTear o=
ver the
> > bypass before deleting its own local state.
> > Note here a key assumption is that PLR node B must send triggered Path
> > refresh messages to the MP over the bypass. If node B has to wait to th=
e
> > next refresh interval to send the Path refresh over the bypass, then yo=
u can
> > run into the issue described here.
>=20
> [Chandra] The problem described is different. Router B detects the failur=
e and
> undertakes local actions for re-routing traffic for all protected LSPs tr=
aversing
> the failed link. In parallel, router B also initiates backup LSP signalin=
g for all
> those protected LSPs. At scale (i.e. if the number of protected LSPs thus
> undergoing repair is of the order of hundreds of thousands), the initiati=
on of
> backup LSP signaling for all those protected LSPs is not expected to happ=
en
> within short time period. If the Ingress LSR initiates LSP tear down duri=
ng this
> interim time duration, the existing procedures do not offer any mechanism=
 for
> router B to indicate to MP that it need not hold on to that state any lon=
ger. The
> new procedure described in the document does not introduce any major
> extension but simply use PathTear message from PLR to MP even though the
> PLR had not reliably refreshed backup LSP Path.
>=20
> Here again, one may suggest the use of some "wait timer" on MP independen=
t
> of refresh time out - say if the MP does not receive backup LSP Path mess=
age
> within the "wait timer", the MP can delete the LSP state. But depending o=
n a
> timer or delay suffers from the same drawbacks pointed out in the respons=
e to
> comment #1.
>=20
> > 4. Section 3.1 - Problem Statement:
> > "
> > - If B fails to perform local repair in step 1, then B will delete
> > the LSP state from its state database without informing D. As B
> > deletes its state without informing D, with long refresh interval
> > this could cause (large) buildup of stale state on D.
> > "
> > MA> Well this is the normal RSVP soft-state behavior and in fact this
> > behavior can occur for defects of link B-C which are not detected and w=
hich
> > will not trigger the activation of the bypass LSP. There is nothing abn=
ormal
> > about this and this behavior is not specific to the case when the bypas=
s could
> > not be activated.
>=20
> [Chandra] The problem is not about the activation of bypass LSP but that =
there is
> no indication to the MP router that it does not have to hold on to the LS=
P state
> any more. The problem has been explained in the response to comment #3 an=
d
> #4. On the soft-state behavior, the responses to the first three paragrap=
hs to
> your mail contain the reasoning for removing the limitations of soft-stat=
e nature
> of the protocol.
>=20
> > 5. Section 4.5.2 - Procedures for backward compatibility:
> > MA> What is the need to set the refresh interval to the default value w=
hen a
> > LSR detects that a downstream or upstream neighbour does not support th=
e
> > refresh independent procedures? I assume you meant to change it back to
> > the configured value which may not be the default value of 30 seconds.
>=20
> [Chandra] If refresh time is not explicitly configured on the LSR support=
ing RI-
> RSVP-FRR, then the refresh interval should be reduced to RFC 2205 default=
 value
> of 30 seconds for messages sent to a neighboring router that is not RI-RS=
VP
> capable. TE-SCALE-REC draft recommends default refresh interval of 20 min=
utes
> be used in Path and Resv messages if RI-RSVP is supported by the LSR. The
> statement in the draft referred here is not applicable if the operator ha=
s
> overridden the RI-RSVP default value.
>=20
> I think the text in Section 4.5.2 could have state explicitly that if dow=
nstream or
> upstream neighbor does not advertise RI-RSVP capability, then the router =
should
> reduce the refresh interval to 30 seconds if the refresh interval has not=
 been
> configured on the router. We will update this section accordingly to clar=
ify the
> proposed behavior.
>=20
> Regards,
> Chandra.
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


From nobody Fri Dec 18 00:24:15 2015
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Subject: [mpls] I-D Action: draft-ietf-mpls-tp-temporal-hitless-psm-09.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           : Enhanced path segment monitoring
        Authors         : Alessandro D'Alessandro
                          Loa Andersson
                          Manuel Paul
                          Satoshi Ueno
                          Kaoru Arai
                          Yoshinori Koike
	Filename        : draft-ietf-mpls-tp-temporal-hitless-psm-09.txt
	Pages           : 16
	Date            : 2015-12-18

Abstract:
   The MPLS transport profile (MPLS-TP) has been standardized to enable
   carrier-grade packet transport and to complement converged packet
   network deployments.  The most attractive features of MPLS-TP are the
   OAM functions.  These functions enable maintenance tools that may be
   exploited by network operators and service providers for fault
   location, survivability, performance monitoring, in-service and out-
   of-service measurements.

   One of the most important mechanisms that is common for transport
   network operation is fault localisation.  A segment monitoring
   function of a transport path is effective in terms of extension of
   the maintenance work and indispensable, particularly when the OAM
   function is activated only between end points.  However, the current
   approach defined for MPLS-TP of segment monitoring has some
   drawbacks.  This document elaborates on the problem statement for the
   Sub-path Maintenance Elements (SPMEs) which provide monitoring of a
   segment of a set of transport paths (LSPs or MS-PWs).  Based on the
   identified problems, this document provides considerations for the
   specification of new requirements to consider a new improved
   mechanism for hitless transport path segment monitoring to be named
   Enhanced Path Segment Monitoring (EPSM).


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-tp-temporal-hitless-psm/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-mpls-tp-temporal-hitless-psm-09

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-tp-temporal-hitless-psm-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:
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From nobody Fri Dec 18 09:55:48 2015
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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           : Detecting Multi-Protocol Label Switched (MPLS) Data Plane Failures
        Authors         : Kireeti Kompella
                          Carlos Pignataro
                          Nagendra Kumar
                          Sam Aldrin
                          Mach(Guoyi) Chen
	Filename        : draft-smack-mpls-rfc4379bis-09.txt
	Pages           : 52
	Date            : 2015-12-18

Abstract:
   This document describes a simple and efficient mechanism that can be
   used to detect data plane failures in Multi-Protocol Label Switching
   (MPLS) Label Switched Paths (LSPs).  There are two parts to this
   document: information carried in an MPLS "echo request" and "echo
   reply" for the purposes of fault detection and isolation, and
   mechanisms for reliably sending the echo reply.

   This document obsoletes RFC 4379.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-smack-mpls-rfc4379bis/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-smack-mpls-rfc4379bis-09

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-smack-mpls-rfc4379bis-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/


From nobody Fri Dec 18 12:48:17 2015
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Date: Fri, 18 Dec 2015 12:48:12 -0800
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Subject: Re: [mpls] I-D Action: draft-smack-mpls-rfc4379bis-09.txt
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--001a11405f04fb6e2d05273241f1
Content-Type: text/plain; charset=UTF-8

Hi All,

This update has the following changes:
1) Moved deprecated TLVs (FEC 128 and DSMAP) into Appendices;
2) Tweaked Multipath information to say that label- and LAG-based
procedures will be defined in different documents.
3) Reworded (sub-)TLV examples.

With these changes, we have addressed the comments by the MPLS RT folks,
and we believe this doc is ready for WG adoption.

Please read and comment.  Loa, if you agree that this is ready for WG
adoption, please make the call.

Cheers,
Kireeti.


On Fri, Dec 18, 2015 at 9:55 AM, <internet-drafts@ietf.org> wrote:

>
> 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           : Detecting Multi-Protocol Label Switched (MPLS)
> Data Plane Failures
>         Authors         : Kireeti Kompella
>                           Carlos Pignataro
>                           Nagendra Kumar
>                           Sam Aldrin
>                           Mach(Guoyi) Chen
>         Filename        : draft-smack-mpls-rfc4379bis-09.txt
>         Pages           : 52
>         Date            : 2015-12-18
>
> Abstract:
>    This document describes a simple and efficient mechanism that can be
>    used to detect data plane failures in Multi-Protocol Label Switching
>    (MPLS) Label Switched Paths (LSPs).  There are two parts to this
>    document: information carried in an MPLS "echo request" and "echo
>    reply" for the purposes of fault detection and isolation, and
>    mechanisms for reliably sending the echo reply.
>
>    This document obsoletes RFC 4379.
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-smack-mpls-rfc4379bis/
>
> There's also a htmlized version available at:
> https://tools.ietf.org/html/draft-smack-mpls-rfc4379bis-09
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-smack-mpls-rfc4379bis-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/
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>



-- 
Kireeti

--001a11405f04fb6e2d05273241f1
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hi All,<div><br></div><div>This update has the following c=
hanges:</div><div>1) Moved deprecated TLVs (FEC 128 and DSMAP) into Appendi=
ces;</div><div>2) Tweaked Multipath information to say that label- and LAG-=
based procedures will be defined in different documents.</div><div>3) Rewor=
ded (sub-)TLV examples.</div><div><br></div><div>With these changes, we hav=
e addressed the comments by the MPLS RT folks, and we believe this doc is r=
eady for WG adoption.</div><div><br></div><div>Please read and comment.=C2=
=A0 Loa, if you agree that this is ready for WG adoption, please make the c=
all.</div><div><br></div><div>Cheers,</div><div>Kireeti.</div><div><br></di=
v></div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Fri, D=
ec 18, 2015 at 9:55 AM,  <span dir=3D"ltr">&lt;<a href=3D"mailto:internet-d=
rafts@ietf.org" target=3D"_blank">internet-drafts@ietf.org</a>&gt;</span> w=
rote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;borde=
r-left:1px #ccc solid;padding-left:1ex"><br>
A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.<br>
=C2=A0This draft is a work item of the Multiprotocol Label Switching Workin=
g Group of the IETF.<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Title=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:=
 Detecting Multi-Protocol Label Switched (MPLS) Data Plane Failures<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Authors=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: Kire=
eti Kompella<br>
=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 Carlos Pignataro<br>
=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 Nagendra Kumar<br>
=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 Sam Aldrin<br>
=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 Mach(Guoyi) Chen<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Filename=C2=A0 =C2=A0 =C2=A0 =C2=A0 : draft-sma=
ck-mpls-rfc4379bis-09.txt<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Pages=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:=
 52<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Date=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 :=
 2015-12-18<br>
<br>
Abstract:<br>
=C2=A0 =C2=A0This document describes a simple and efficient mechanism that =
can be<br>
=C2=A0 =C2=A0used to detect data plane failures in Multi-Protocol Label Swi=
tching<br>
=C2=A0 =C2=A0(MPLS) Label Switched Paths (LSPs).=C2=A0 There are two parts =
to this<br>
=C2=A0 =C2=A0document: information carried in an MPLS &quot;echo request&qu=
ot; and &quot;echo<br>
=C2=A0 =C2=A0reply&quot; for the purposes of fault detection and isolation,=
 and<br>
=C2=A0 =C2=A0mechanisms for reliably sending the echo reply.<br>
<br>
=C2=A0 =C2=A0This document obsoletes RFC 4379.<br>
<br>
<br>
The IETF datatracker status page for this draft is:<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-smack-mpls-rfc4379bis/" r=
el=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/doc/draft-=
smack-mpls-rfc4379bis/</a><br>
<br>
There&#39;s also a htmlized version available at:<br>
<a href=3D"https://tools.ietf.org/html/draft-smack-mpls-rfc4379bis-09" rel=
=3D"noreferrer" target=3D"_blank">https://tools.ietf.org/html/draft-smack-m=
pls-rfc4379bis-09</a><br>
<br>
A diff from the previous version is available at:<br>
<a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-smack-mpls-rfc4379bis-=
09" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/rfcdiff?url2=
=3Ddraft-smack-mpls-rfc4379bis-09</a><br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at <a href=3D"http://tool=
s.ietf.org" rel=3D"noreferrer" target=3D"_blank">tools.ietf.org</a>.<br>
<br>
Internet-Drafts are also available by anonymous FTP at:<br>
<a href=3D"ftp://ftp.ietf.org/internet-drafts/" rel=3D"noreferrer" target=
=3D"_blank">ftp://ftp.ietf.org/internet-drafts/</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" rel=3D"noreferrer" t=
arget=3D"_blank">https://www.ietf.org/mailman/listinfo/mpls</a><br>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div class=
=3D"gmail_signature">Kireeti</div>
</div>

--001a11405f04fb6e2d05273241f1--


From nobody Fri Dec 18 19:27:16 2015
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Subject: [mpls] I-D Action: draft-ietf-mpls-flow-ident-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           : MPLS Flow Identification Considerations
        Authors         : Stewart Bryant
                          Carlos Pignataro
                          Mach Chen
                          Zhenbin Li
                          Gregory Mirsky 
	Filename        : draft-ietf-mpls-flow-ident-00.txt
	Pages           : 11
	Date            : 2015-12-18

Abstract:
   This memo discusses the desired capabilities for MPLS flow
   identification.  The key application that needs this is in-band
   performance monitoring of user data packets.


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

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-mpls-flow-ident-00


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From nobody Fri Dec 18 21:19:38 2015
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To: "mpls@ietf.org" <mpls@ietf.org>
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Subject: [mpls] IPR poll on draft-smack-mpls-rfc4379bis
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Working Group,

The authors of draft-smack-mpls-rfc4379bis has told us that
the document is ready for working adoption.

We will do an IPR poll in parallel to the wgap.

This mail starts the IPR poll.

Are you aware of any IPR that applies to draft-smack-mpls-rfc4379bis?

If so, has this IPR been disclosed in compliance with IETF IPR rules
(see RFCs 3979, 4879, 3669 and 5378 for more details).

There are no IPR disclosures filed directly against this document.
However, there are  tow IPR disclosures against RFC 4379.

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.


/Loa
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 Fri Dec 18 21:19:59 2015
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From: Loa Andersson <loa@pi.nu>
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Subject: [mpls] Poll to see if we have consensus to adopt draft-smack-mpls-rfc4379bis as a wg doc
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Working Group,

This is to start a three week (because of the holiday season) poll
to see if we have consensus to adopt draft-smack-mpls-rfc4379bis
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 disclosures directly against 
draft-smack-mpls-rfc4379bis document. However, there are IPR disclosures 
against
RFC 4379.

We have started an IPR poll in parallel to the adoption poll.

The document shepherd and working group chairs are frequently asked
about the working group discussions related to any IPR disclosures.

We like to remind the working group that discussion on the content
and validity of an IPR disclosure should not take place on the
MPLS wg list or any IETF mailing lists.

However we are looking for simple statements whether you think the
working group should continue progress the document, regardless of
an existing IPR disclosure. Please include this information in your
'support/do not support' when responding to working group adoption
calls and last calls.

This working group adoptiom poll ends January 8, 2016.

/Loa
-- 


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 Dec 18 21:51:00 2015
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From: Sam Aldrin <aldrin.ietf@gmail.com>
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Date: Fri, 18 Dec 2015 21:50:55 -0800
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To: "loa@pi.nu" <loa@pi.nu>
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Cc: "mpls@ietf.org" <mpls@ietf.org>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, "draft-smack-mpls-rfc4379bis@ietf.org" <draft-smack-mpls-rfc4379bis@ietf.org>
Subject: Re: [mpls] IPR poll on draft-smack-mpls-rfc4379bis
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Not aware of any IPR, apart from the IPR=E2=80=99s disclosed as part of =
RFC=E2=80=99s this ID refers/merges.

cheers
-sam
> On Dec 18, 2015, at 9:19 PM, Loa Andersson <loa@pi.nu> wrote:
>=20
> Working Group,
>=20
> The authors of draft-smack-mpls-rfc4379bis has told us that
> the document is ready for working adoption.
>=20
> We will do an IPR poll in parallel to the wgap.
>=20
> This mail starts the IPR poll.
>=20
> Are you aware of any IPR that applies to draft-smack-mpls-rfc4379bis?
>=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
> There are no IPR disclosures filed directly against this document.
> However, there are  tow IPR disclosures against RFC 4379.
>=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 =
any
> IPR that has not yet been disclosed in conformance with IETF rules.
>=20
>=20
> /Loa
> 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


From nobody Fri Dec 18 21:53:18 2015
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From: Sam Aldrin <aldrin.ietf@gmail.com>
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To: "loa@pi.nu" <loa@pi.nu>
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Subject: Re: [mpls] Poll to see if we have consensus to adopt draft-smack-mpls-rfc4379bis as a wg doc
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Strong Yes for adoption.
Lot of enhancements went it, via various RFC=E2=80=99s, which makes =
RFC4379 an incomplete document for MPLS OAM.
Hence this bis is very much essential and long overdue.

-sam
> On Dec 18, 2015, at 9:19 PM, Loa Andersson <loa@pi.nu> wrote:
>=20
> Working Group,
>=20
> This is to start a three week (because of the holiday season) poll
> to see if we have consensus to adopt draft-smack-mpls-rfc4379bis
> 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 disclosures directly against =
draft-smack-mpls-rfc4379bis document. However, there are IPR disclosures =
against
> RFC 4379.
>=20
> We have started an IPR poll in parallel to the adoption poll.
>=20
> The document shepherd and working group chairs are frequently asked
> about the working group discussions related to any IPR disclosures.
>=20
> We like to remind the working group that discussion on the content
> and validity of an IPR disclosure should not take place on the
> MPLS wg list or any IETF mailing lists.
>=20
> However we are looking for simple statements whether you think the
> working group should continue progress the document, regardless of
> an existing IPR disclosure. Please include this information in your
> 'support/do not support' when responding to working group adoption
> calls and last calls.
>=20
> This working group adoptiom poll ends January 8, 2016.
>=20
> /Loa
> --=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


From nobody Sat Dec 19 05:45:24 2015
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From: "Andrew G. Malis" <agmalis@gmail.com>
Date: Sat, 19 Dec 2015 08:44:59 -0500
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Subject: Re: [mpls] Poll to see if we have consensus to adopt draft-smack-mpls-rfc4379bis as a wg doc
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--047d7bd91af26cdcfa05274077e5
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Absolutely, it=E2=80=99s overdue for MPLS OAM and LSP Ping to be a full Sta=
ndard.

Cheers,
Andy


On Sat, Dec 19, 2015 at 12:53 AM, Sam Aldrin <aldrin.ietf@gmail.com> wrote:

> Strong Yes for adoption.
> Lot of enhancements went it, via various RFC=E2=80=99s, which makes RFC43=
79 an
> incomplete document for MPLS OAM.
> Hence this bis is very much essential and long overdue.
>
> -sam
> > On Dec 18, 2015, at 9:19 PM, Loa Andersson <loa@pi.nu> wrote:
> >
> > Working Group,
> >
> > This is to start a three week (because of the holiday season) poll
> > to see if we have consensus to adopt draft-smack-mpls-rfc4379bis
> > 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 disclosures directly against
> draft-smack-mpls-rfc4379bis document. However, there are IPR disclosures
> against
> > RFC 4379.
> >
> > We have started an IPR poll in parallel to the adoption poll.
> >
> > The document shepherd and working group chairs are frequently asked
> > about the working group discussions related to any IPR disclosures.
> >
> > We like to remind the working group that discussion on the content
> > and validity of an IPR disclosure should not take place on the
> > MPLS wg list or any IETF mailing lists.
> >
> > However we are looking for simple statements whether you think the
> > working group should continue progress the document, regardless of
> > an existing IPR disclosure. Please include this information in your
> > 'support/do not support' when responding to working group adoption
> > calls and last calls.
> >
> > This working group adoptiom poll ends January 8, 2016.
> >
> > /Loa
> > --
> >
> >
> > 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
>

--047d7bd91af26cdcfa05274077e5
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Absolutely, it=E2=80=99s overdue for MPLS OAM and LSP Ping=
 to be a full Standard.<div><br></div><div>Cheers,</div><div>Andy</div><div=
><br></div></div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">=
On Sat, Dec 19, 2015 at 12:53 AM, Sam Aldrin <span dir=3D"ltr">&lt;<a href=
=3D"mailto:aldrin.ietf@gmail.com" target=3D"_blank">aldrin.ietf@gmail.com</=
a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0=
 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Strong Yes for adopt=
ion.<br>
Lot of enhancements went it, via various RFC=E2=80=99s, which makes RFC4379=
 an incomplete document for MPLS OAM.<br>
Hence this bis is very much essential and long overdue.<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
-sam<br>
</font></span><div class=3D"HOEnZb"><div class=3D"h5">&gt; On Dec 18, 2015,=
 at 9:19 PM, Loa Andersson &lt;<a href=3D"mailto:loa@pi.nu">loa@pi.nu</a>&g=
t; wrote:<br>
&gt;<br>
&gt; Working Group,<br>
&gt;<br>
&gt; This is to start a three week (because of the holiday season) poll<br>
&gt; to see if we have consensus to adopt draft-smack-mpls-rfc4379bis<br>
&gt; as an MPLS working group document.<br>
&gt;<br>
&gt; Please send your comments (support/not support) to the mpls working<br=
>
&gt; group mailing list (<a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a>=
). Please give a technical<br>
&gt; motivation for your support/not support, especially if you think that<=
br>
&gt; the document should not be adopted as a working group document.<br>
&gt;<br>
&gt; There are no IPR disclosures directly against draft-smack-mpls-rfc4379=
bis document. However, there are IPR disclosures against<br>
&gt; RFC 4379.<br>
&gt;<br>
&gt; We have started an IPR poll in parallel to the adoption poll.<br>
&gt;<br>
&gt; The document shepherd and working group chairs are frequently asked<br=
>
&gt; about the working group discussions related to any IPR disclosures.<br=
>
&gt;<br>
&gt; We like to remind the working group that discussion on the content<br>
&gt; and validity of an IPR disclosure should not take place on the<br>
&gt; MPLS wg list or any IETF mailing lists.<br>
&gt;<br>
&gt; However we are looking for simple statements whether you think the<br>
&gt; working group should continue progress the document, regardless of<br>
&gt; an existing IPR disclosure. Please include this information in your<br=
>
&gt; &#39;support/do not support&#39; when responding to working group adop=
tion<br>
&gt; calls and last calls.<br>
&gt;<br>
&gt; This working group adoptiom poll ends January 8, 2016.<br>
&gt;<br>
&gt; /Loa<br>
&gt; --<br>
&gt;<br>
&gt;<br>
&gt; Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 email: <a href=3D"mailto:loa@mail01.huawei.com"=
>loa@mail01.huawei.com</a><br>
&gt; Senior MPLS Expert=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 <a href=3D"mailto:loa@pi.nu">loa@pi.=
nu</a><br>
&gt; Huawei Technologies (consultant)=C2=A0 =C2=A0 =C2=A0phone: <a href=3D"=
tel:%2B46%20739%2081%2021%2064" value=3D"+46739812164">+46 739 81 21 64</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" rel=3D"noreferrer" t=
arget=3D"_blank">https://www.ietf.org/mailman/listinfo/mpls</a><br>
</div></div></blockquote></div><br></div>

--047d7bd91af26cdcfa05274077e5--


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Date: Sat, 19 Dec 2015 08:48:47 -0500
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Subject: Re: [mpls] Poll to see if we have consensus to adopt draft-smack-mpls-rfc4379bis as a wg doc
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	Wouldn=E2=80=99t that make sense to move forward to Full =
Standard too?

	=E2=80=94Tom

> On Dec 19, 2015:8:44 AM, at 8:44 AM, Andrew G. Malis =
<agmalis@gmail.com> wrote:
>=20
> Absolutely, it=E2=80=99s overdue for MPLS OAM and LSP Ping to be a =
full Standard.
>=20
> Cheers,
> Andy
>=20
>=20
> On Sat, Dec 19, 2015 at 12:53 AM, Sam Aldrin <aldrin.ietf@gmail.com =
<mailto:aldrin.ietf@gmail.com>> wrote:
> Strong Yes for adoption.
> Lot of enhancements went it, via various RFC=E2=80=99s, which makes =
RFC4379 an incomplete document for MPLS OAM.
> Hence this bis is very much essential and long overdue.
>=20
> -sam
> > On Dec 18, 2015, at 9:19 PM, Loa Andersson <loa@pi.nu =
<mailto:loa@pi.nu>> wrote:
> >
> > Working Group,
> >
> > This is to start a three week (because of the holiday season) poll
> > to see if we have consensus to adopt draft-smack-mpls-rfc4379bis
> > as an MPLS working group document.
> >
> > Please send your comments (support/not support) to the mpls working
> > group mailing list (mpls@ietf.org <mailto: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 disclosures directly against =
draft-smack-mpls-rfc4379bis document. However, there are IPR disclosures =
against
> > RFC 4379.
> >
> > We have started an IPR poll in parallel to the adoption poll.
> >
> > The document shepherd and working group chairs are frequently asked
> > about the working group discussions related to any IPR disclosures.
> >
> > We like to remind the working group that discussion on the content
> > and validity of an IPR disclosure should not take place on the
> > MPLS wg list or any IETF mailing lists.
> >
> > However we are looking for simple statements whether you think the
> > working group should continue progress the document, regardless of
> > an existing IPR disclosure. Please include this information in your
> > 'support/do not support' when responding to working group adoption
> > calls and last calls.
> >
> > This working group adoptiom poll ends January 8, 2016.
> >
> > /Loa
> > --
> >
> >
> > Loa Andersson                        email: loa@mail01.huawei.com =
<mailto:loa@mail01.huawei.com>
> > Senior MPLS Expert                          loa@pi.nu =
<mailto:loa@pi.nu>
> > Huawei Technologies (consultant)     phone: +46 739 81 21 64 =
<tel:%2B46%20739%2081%2021%2064>
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org <mailto:mpls@ietf.org>
> https://www.ietf.org/mailman/listinfo/mpls =
<https://www.ietf.org/mailman/listinfo/mpls>
>=20
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


--Apple-Mail=_6F5EF28C-89D3-44C2-8612-4F8750C8C888
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	charset=utf-8

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><div class=3D""><br class=3D""></div><span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	=
</span>Wouldn=E2=80=99t that make sense to move forward to Full Standard =
too?<div class=3D""><br class=3D""></div><div class=3D""><span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	=
</span>=E2=80=94Tom</div><div class=3D""><br class=3D""><div><blockquote =
type=3D"cite" class=3D""><div class=3D"">On Dec 19, 2015:8:44 AM, at =
8:44 AM, Andrew G. Malis &lt;<a href=3D"mailto:agmalis@gmail.com" =
class=3D"">agmalis@gmail.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div dir=3D"ltr" =
class=3D"">Absolutely, it=E2=80=99s overdue for MPLS OAM and LSP Ping to =
be a full Standard.<div class=3D""><br class=3D""></div><div =
class=3D"">Cheers,</div><div class=3D"">Andy</div><div class=3D""><br =
class=3D""></div></div><div class=3D"gmail_extra"><br class=3D""><div =
class=3D"gmail_quote">On Sat, Dec 19, 2015 at 12:53 AM, Sam Aldrin <span =
dir=3D"ltr" class=3D"">&lt;<a href=3D"mailto:aldrin.ietf@gmail.com" =
target=3D"_blank" class=3D"">aldrin.ietf@gmail.com</a>&gt;</span> =
wrote:<br class=3D""><blockquote class=3D"gmail_quote" style=3D"margin:0 =
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Strong Yes for =
adoption.<br class=3D"">
Lot of enhancements went it, via various RFC=E2=80=99s, which makes =
RFC4379 an incomplete document for MPLS OAM.<br class=3D"">
Hence this bis is very much essential and long overdue.<br class=3D"">
<span class=3D"HOEnZb"><font color=3D"#888888" class=3D""><br class=3D"">
-sam<br class=3D"">
</font></span><div class=3D"HOEnZb"><div class=3D"h5">&gt; On Dec 18, =
2015, at 9:19 PM, Loa Andersson &lt;<a href=3D"mailto:loa@pi.nu" =
class=3D"">loa@pi.nu</a>&gt; wrote:<br class=3D"">
&gt;<br class=3D"">
&gt; Working Group,<br class=3D"">
&gt;<br class=3D"">
&gt; This is to start a three week (because of the holiday season) =
poll<br class=3D"">
&gt; to see if we have consensus to adopt draft-smack-mpls-rfc4379bis<br =
class=3D"">
&gt; as an MPLS working group document.<br class=3D"">
&gt;<br class=3D"">
&gt; Please send your comments (support/not support) to the mpls =
working<br class=3D"">
&gt; group mailing list (<a href=3D"mailto:mpls@ietf.org" =
class=3D"">mpls@ietf.org</a>). Please give a technical<br class=3D"">
&gt; motivation for your support/not support, especially if you think =
that<br class=3D"">
&gt; the document should not be adopted as a working group document.<br =
class=3D"">
&gt;<br class=3D"">
&gt; There are no IPR disclosures directly against =
draft-smack-mpls-rfc4379bis document. However, there are IPR disclosures =
against<br class=3D"">
&gt; RFC 4379.<br class=3D"">
&gt;<br class=3D"">
&gt; We have started an IPR poll in parallel to the adoption poll.<br =
class=3D"">
&gt;<br class=3D"">
&gt; The document shepherd and working group chairs are frequently =
asked<br class=3D"">
&gt; about the working group discussions related to any IPR =
disclosures.<br class=3D"">
&gt;<br class=3D"">
&gt; We like to remind the working group that discussion on the =
content<br class=3D"">
&gt; and validity of an IPR disclosure should not take place on the<br =
class=3D"">
&gt; MPLS wg list or any IETF mailing lists.<br class=3D"">
&gt;<br class=3D"">
&gt; However we are looking for simple statements whether you think =
the<br class=3D"">
&gt; working group should continue progress the document, regardless =
of<br class=3D"">
&gt; an existing IPR disclosure. Please include this information in =
your<br class=3D"">
&gt; 'support/do not support' when responding to working group =
adoption<br class=3D"">
&gt; calls and last calls.<br class=3D"">
&gt;<br class=3D"">
&gt; This working group adoptiom poll ends January 8, 2016.<br class=3D"">=

&gt;<br class=3D"">
&gt; /Loa<br class=3D"">
&gt; --<br class=3D"">
&gt;<br class=3D"">
&gt;<br class=3D"">
&gt; Loa Andersson&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; email: <a =
href=3D"mailto:loa@mail01.huawei.com" =
class=3D"">loa@mail01.huawei.com</a><br class=3D"">
&gt; Senior MPLS Expert&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href=3D"mailto:loa@pi.nu" =
class=3D"">loa@pi.nu</a><br class=3D"">
&gt; Huawei Technologies (consultant)&nbsp; &nbsp; &nbsp;phone: <a =
href=3D"tel:%2B46%20739%2081%2021%2064" value=3D"+46739812164" =
class=3D"">+46 739 81 21 64</a><br class=3D"">
<br class=3D"">
_______________________________________________<br class=3D"">
mpls mailing list<br class=3D"">
<a href=3D"mailto:mpls@ietf.org" class=3D"">mpls@ietf.org</a><br =
class=3D"">
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" rel=3D"noreferrer" =
target=3D"_blank" =
class=3D"">https://www.ietf.org/mailman/listinfo/mpls</a><br class=3D"">
</div></div></blockquote></div><br class=3D""></div>
_______________________________________________<br class=3D"">mpls =
mailing list<br class=3D""><a href=3D"mailto:mpls@ietf.org" =
class=3D"">mpls@ietf.org</a><br =
class=3D"">https://www.ietf.org/mailman/listinfo/mpls<br =
class=3D""></div></blockquote></div><br class=3D""></div></body></html>=

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To: "Andrew G. Malis" <agmalis@gmail.com>
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Subject: Re: [mpls] Poll to see if we have consensus to adopt draft-smack-mpls-rfc4379bis as a wg doc
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	Sorry, I meant to say:

	Wouldn=E2=80=99t that make sense to move *everything around it* =
forward to FS too?

	=E2=80=94Tom


> On Dec 19, 2015:8:48 AM, at 8:48 AM, Nadeau Thomas =
<tnadeau@lucidvision.com> wrote:
>=20
>=20
> 	Wouldn=E2=80=99t that make sense to move forward to Full =
Standard too?
>=20
> 	=E2=80=94Tom
>=20
>> On Dec 19, 2015:8:44 AM, at 8:44 AM, Andrew G. Malis =
<agmalis@gmail.com <mailto:agmalis@gmail.com>> wrote:
>>=20
>> Absolutely, it=E2=80=99s overdue for MPLS OAM and LSP Ping to be a =
full Standard.
>>=20
>> Cheers,
>> Andy
>>=20
>>=20
>> On Sat, Dec 19, 2015 at 12:53 AM, Sam Aldrin <aldrin.ietf@gmail.com =
<mailto:aldrin.ietf@gmail.com>> wrote:
>> Strong Yes for adoption.
>> Lot of enhancements went it, via various RFC=E2=80=99s, which makes =
RFC4379 an incomplete document for MPLS OAM.
>> Hence this bis is very much essential and long overdue.
>>=20
>> -sam
>> > On Dec 18, 2015, at 9:19 PM, Loa Andersson <loa@pi.nu =
<mailto:loa@pi.nu>> wrote:
>> >
>> > Working Group,
>> >
>> > This is to start a three week (because of the holiday season) poll
>> > to see if we have consensus to adopt draft-smack-mpls-rfc4379bis
>> > as an MPLS working group document.
>> >
>> > Please send your comments (support/not support) to the mpls working
>> > group mailing list (mpls@ietf.org <mailto: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 disclosures directly against =
draft-smack-mpls-rfc4379bis document. However, there are IPR disclosures =
against
>> > RFC 4379.
>> >
>> > We have started an IPR poll in parallel to the adoption poll.
>> >
>> > The document shepherd and working group chairs are frequently asked
>> > about the working group discussions related to any IPR disclosures.
>> >
>> > We like to remind the working group that discussion on the content
>> > and validity of an IPR disclosure should not take place on the
>> > MPLS wg list or any IETF mailing lists.
>> >
>> > However we are looking for simple statements whether you think the
>> > working group should continue progress the document, regardless of
>> > an existing IPR disclosure. Please include this information in your
>> > 'support/do not support' when responding to working group adoption
>> > calls and last calls.
>> >
>> > This working group adoptiom poll ends January 8, 2016.
>> >
>> > /Loa
>> > --
>> >
>> >
>> > Loa Andersson                        email: loa@mail01.huawei.com =
<mailto:loa@mail01.huawei.com>
>> > Senior MPLS Expert                          loa@pi.nu =
<mailto:loa@pi.nu>
>> > Huawei Technologies (consultant)     phone: +46 739 81 21 64 =
<tel:%2B46%20739%2081%2021%2064>
>>=20
>> _______________________________________________
>> mpls mailing list
>> mpls@ietf.org <mailto:mpls@ietf.org>
>> https://www.ietf.org/mailman/listinfo/mpls =
<https://www.ietf.org/mailman/listinfo/mpls>
>>=20
>> _______________________________________________
>> mpls mailing list
>> mpls@ietf.org <mailto: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=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><div class=3D""><br class=3D""></div><span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	</span>Sorry, I =
meant to say:<div class=3D""><br class=3D""></div><div class=3D""><span =
class=3D"Apple-tab-span" style=3D"white-space:pre">	=
</span>Wouldn=E2=80=99t that make sense to move *everything around it* =
forward to FS too?</div><div class=3D""><br class=3D""></div><div =
class=3D""><span class=3D"Apple-tab-span" style=3D"white-space:pre">	=
</span>=E2=80=94Tom</div><div class=3D""><br class=3D""></div><div =
class=3D""><br class=3D""><div><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Dec 19, 2015:8:48 AM, at 8:48 AM, Nadeau Thomas &lt;<a =
href=3D"mailto:tnadeau@lucidvision.com" =
class=3D"">tnadeau@lucidvision.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><meta =
http-equiv=3D"Content-Type" content=3D"text/html charset=3Dutf-8" =
class=3D""><div style=3D"word-wrap: break-word; -webkit-nbsp-mode: =
space; -webkit-line-break: after-white-space;" class=3D""><div =
class=3D""><br class=3D""></div><span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span>Wouldn=E2=80=99t that make sense =
to move forward to Full Standard too?<div class=3D""><br =
class=3D""></div><div class=3D""><span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span>=E2=80=94Tom</div><div =
class=3D""><br class=3D""><div class=3D""><blockquote type=3D"cite" =
class=3D""><div class=3D"">On Dec 19, 2015:8:44 AM, at 8:44 AM, Andrew =
G. Malis &lt;<a href=3D"mailto:agmalis@gmail.com" =
class=3D"">agmalis@gmail.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div dir=3D"ltr" =
class=3D"">Absolutely, it=E2=80=99s overdue for MPLS OAM and LSP Ping to =
be a full Standard.<div class=3D""><br class=3D""></div><div =
class=3D"">Cheers,</div><div class=3D"">Andy</div><div class=3D""><br =
class=3D""></div></div><div class=3D"gmail_extra"><br class=3D""><div =
class=3D"gmail_quote">On Sat, Dec 19, 2015 at 12:53 AM, Sam Aldrin <span =
dir=3D"ltr" class=3D"">&lt;<a href=3D"mailto:aldrin.ietf@gmail.com" =
target=3D"_blank" class=3D"">aldrin.ietf@gmail.com</a>&gt;</span> =
wrote:<br class=3D""><blockquote class=3D"gmail_quote" style=3D"margin:0 =
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Strong Yes for =
adoption.<br class=3D"">
Lot of enhancements went it, via various RFC=E2=80=99s, which makes =
RFC4379 an incomplete document for MPLS OAM.<br class=3D"">
Hence this bis is very much essential and long overdue.<br class=3D"">
<span class=3D"HOEnZb"><font color=3D"#888888" class=3D""><br class=3D"">
-sam<br class=3D"">
</font></span><div class=3D"HOEnZb"><div class=3D"h5">&gt; On Dec 18, =
2015, at 9:19 PM, Loa Andersson &lt;<a href=3D"mailto:loa@pi.nu" =
class=3D"">loa@pi.nu</a>&gt; wrote:<br class=3D"">
&gt;<br class=3D"">
&gt; Working Group,<br class=3D"">
&gt;<br class=3D"">
&gt; This is to start a three week (because of the holiday season) =
poll<br class=3D"">
&gt; to see if we have consensus to adopt draft-smack-mpls-rfc4379bis<br =
class=3D"">
&gt; as an MPLS working group document.<br class=3D"">
&gt;<br class=3D"">
&gt; Please send your comments (support/not support) to the mpls =
working<br class=3D"">
&gt; group mailing list (<a href=3D"mailto:mpls@ietf.org" =
class=3D"">mpls@ietf.org</a>). Please give a technical<br class=3D"">
&gt; motivation for your support/not support, especially if you think =
that<br class=3D"">
&gt; the document should not be adopted as a working group document.<br =
class=3D"">
&gt;<br class=3D"">
&gt; There are no IPR disclosures directly against =
draft-smack-mpls-rfc4379bis document. However, there are IPR disclosures =
against<br class=3D"">
&gt; RFC 4379.<br class=3D"">
&gt;<br class=3D"">
&gt; We have started an IPR poll in parallel to the adoption poll.<br =
class=3D"">
&gt;<br class=3D"">
&gt; The document shepherd and working group chairs are frequently =
asked<br class=3D"">
&gt; about the working group discussions related to any IPR =
disclosures.<br class=3D"">
&gt;<br class=3D"">
&gt; We like to remind the working group that discussion on the =
content<br class=3D"">
&gt; and validity of an IPR disclosure should not take place on the<br =
class=3D"">
&gt; MPLS wg list or any IETF mailing lists.<br class=3D"">
&gt;<br class=3D"">
&gt; However we are looking for simple statements whether you think =
the<br class=3D"">
&gt; working group should continue progress the document, regardless =
of<br class=3D"">
&gt; an existing IPR disclosure. Please include this information in =
your<br class=3D"">
&gt; 'support/do not support' when responding to working group =
adoption<br class=3D"">
&gt; calls and last calls.<br class=3D"">
&gt;<br class=3D"">
&gt; This working group adoptiom poll ends January 8, 2016.<br class=3D"">=

&gt;<br class=3D"">
&gt; /Loa<br class=3D"">
&gt; --<br class=3D"">
&gt;<br class=3D"">
&gt;<br class=3D"">
&gt; Loa Andersson&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; email: <a =
href=3D"mailto:loa@mail01.huawei.com" =
class=3D"">loa@mail01.huawei.com</a><br class=3D"">
&gt; Senior MPLS Expert&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a href=3D"mailto:loa@pi.nu" =
class=3D"">loa@pi.nu</a><br class=3D"">
&gt; Huawei Technologies (consultant)&nbsp; &nbsp; &nbsp;phone: <a =
href=3D"tel:%2B46%20739%2081%2021%2064" value=3D"+46739812164" =
class=3D"">+46 739 81 21 64</a><br class=3D"">
<br class=3D"">
_______________________________________________<br class=3D"">
mpls mailing list<br class=3D"">
<a href=3D"mailto:mpls@ietf.org" class=3D"">mpls@ietf.org</a><br =
class=3D"">
<a href=3D"https://www.ietf.org/mailman/listinfo/mpls" rel=3D"noreferrer" =
target=3D"_blank" =
class=3D"">https://www.ietf.org/mailman/listinfo/mpls</a><br class=3D"">
</div></div></blockquote></div><br class=3D""></div>
_______________________________________________<br class=3D"">mpls =
mailing list<br class=3D""><a href=3D"mailto:mpls@ietf.org" =
class=3D"">mpls@ietf.org</a><br class=3D""><a =
href=3D"https://www.ietf.org/mailman/listinfo/mpls" =
class=3D"">https://www.ietf.org/mailman/listinfo/mpls</a><br =
class=3D""></div></blockquote></div><br =
class=3D""></div></div>_______________________________________________<br =
class=3D"">mpls mailing list<br class=3D""><a =
href=3D"mailto:mpls@ietf.org" class=3D"">mpls@ietf.org</a><br =
class=3D"">https://www.ietf.org/mailman/listinfo/mpls<br =
class=3D""></div></blockquote></div><br class=3D""></div></body></html>=

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From nobody Sat Dec 19 07:41:40 2015
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From: Kireeti Kompella <kireeti.kompella@gmail.com>
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Date: Sat, 19 Dec 2015 07:41:34 -0800
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To: Nadeau Thomas <tnadeau@lucidvision.com>
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Subject: Re: [mpls] Poll to see if we have consensus to adopt draft-smack-mpls-rfc4379bis as a wg doc
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On Dec 19, 2015, at 05:50, Nadeau Thomas <tnadeau@lucidvision.com> wrote:

> Sorry, I meant to say:
>=20
>    Wouldn't that make sense to move *everything around it* forward to FS t=
oo?

There are criteria for taking things to FS (which I myself have to review). T=
hat said, the authors of draft-smack-mpls-rfc4379bis have gone through the *=
everything around it* and indicated (as our best guess) which documents will=
 be folded in, and which are not mature enough to become Internet Standard.=20=


I'm sure the chairs and ADs will chime in; if any on the list have evidence o=
f readiness (implementation and/or deployment), please share it with the lis=
t or the chairs.=20

Kireeti=20

>    =3DE2=3D80=3D94Tom
>=20
>=20
>> On Dec 19, 2015:8:48 AM, at 8:48 AM, Nadeau Thomas =3D
> <tnadeau@lucidvision.com> wrote:
>> =3D20
>> =3D20
>>    Wouldn=3DE2=3D80=3D99t that make sense to move forward to Full =3D
> Standard too?
>> =3D20
>>    =3DE2=3D80=3D94Tom
>> =3D20
>>> On Dec 19, 2015:8:44 AM, at 8:44 AM,


From nobody Sat Dec 19 08:10:03 2015
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To: mpls@ietf.org, "draft-smack-mpls-rfc4379bis@ietf.org" <draft-smack-mpls-rfc4379bis@ietf.org>
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From: Loa Andersson <loa@pi.nu>
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Subject: Re: [mpls] Poll to see if we have consensus to adopt draft-smack-mpls-rfc4379bis as a wg doc
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Working Group,

What Kireeti says here, is in according to the directive that were
given to the author team, "go through all the drafts that update
RFC 4379 and see if it is possible to incorporate them in 4379bis".

Now this is a good review vector, go through the updates and see if
what needs to be in the 4379bis is there, or as Kireeti says "please 
share it [evidence of readiness] with the list or the chairs".


/Loa

On 2015-12-19 23:41, Kireeti Kompella wrote:
> On Dec 19, 2015, at 05:50, Nadeau Thomas <tnadeau@lucidvision.com> wrote:
>
>> Sorry, I meant to say:
>>
>>     Wouldn't that make sense to move *everything around it* forward to FS too?
>
> There are criteria for taking things to FS (which I myself have to review). That said, the authors of draft-smack-mpls-rfc4379bis have gone through the *everything around it* and indicated (as our best guess) which documents will be folded in, and which are not mature enough to become Internet Standard.
>
> I'm sure the chairs and ADs will chime in; if any on the list have evidence of readiness (implementation and/or deployment), please share it with the list or the chairs.
>
> Kireeti
>
>>     =E2=80=94Tom
>>
>>
>>> On Dec 19, 2015:8:48 AM, at 8:48 AM, Nadeau Thomas =
>> <tnadeau@lucidvision.com> wrote:
>>> =20
>>> =20
>>>     Wouldn=E2=80=99t that make sense to move forward to Full =
>> Standard too?
>>> =20
>>>     =E2=80=94Tom
>>> =20
>>>> On Dec 19, 2015:8:44 AM, at 8:44 AM,
>
> _______________________________________________
> 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: Loa Andersson <loa@pi.nu>
Thread-Topic: IPR poll on draft-smack-mpls-rfc4379bis
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Subject: Re: [mpls] IPR poll on draft-smack-mpls-rfc4379bis
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Loa,

I am not aware of any IPR on top of the RFCs this document is bis-ing/mergi=
ng.=20

Question for you: should the data tracker flag the IPR disclosed to 4379 as=
 to this doc?

Thumb typed by Carlos Pignataro.
Excuze typofraphicak errows

> On Dec 19, 2015, at 12:19, Loa Andersson <loa@pi.nu> wrote:
>=20
> Working Group,
>=20
> The authors of draft-smack-mpls-rfc4379bis has told us that
> the document is ready for working adoption.
>=20
> We will do an IPR poll in parallel to the wgap.
>=20
> This mail starts the IPR poll.
>=20
> Are you aware of any IPR that applies to draft-smack-mpls-rfc4379bis?
>=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
> There are no IPR disclosures filed directly against this document.
> However, there are  tow IPR disclosures against RFC 4379.
>=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 any
> IPR that has not yet been disclosed in conformance with IETF rules.
>=20
>=20
> /Loa
> 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


From nobody Sat Dec 19 21:45:16 2015
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To: "Carlos Pignataro (cpignata)" <cpignata@cisco.com>
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Subject: Re: [mpls] IPR poll on draft-smack-mpls-rfc4379bis
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Carlos, working group,

Good question - the track flags the RFC 4379 IPRs (as related documents)
when you search for IPRs draft-smack-mpls-rfc4379bis, but nothing for
documents that update 4379. I don't there is another (fail-proof) way of
getting relevant IPRs flagged than that the IPR owners re-disclose them
against the 4379bis. I think that they should do this,

On the other hand I will follow up on this.

/Loa

On 2015-12-20 11:04, Carlos Pignataro (cpignata) wrote:
> Loa,
>
> I am not aware of any IPR on top of the RFCs this document is bis-ing/merging.
>
> Question for you: should the data tracker flag the IPR disclosed to 4379 as to this doc?
>
> Thumb typed by Carlos Pignataro.
> Excuze typofraphicak errows
>
>> On Dec 19, 2015, at 12:19, Loa Andersson <loa@pi.nu> wrote:
>>
>> Working Group,
>>
>> The authors of draft-smack-mpls-rfc4379bis has told us that
>> the document is ready for working adoption.
>>
>> We will do an IPR poll in parallel to the wgap.
>>
>> This mail starts the IPR poll.
>>
>> Are you aware of any IPR that applies to draft-smack-mpls-rfc4379bis?
>>
>> If so, has this IPR been disclosed in compliance with IETF IPR rules
>> (see RFCs 3979, 4879, 3669 and 5378 for more details).
>>
>> There are no IPR disclosures filed directly against this document.
>> However, there are  tow IPR disclosures against RFC 4379.
>>
>> 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.
>>
>>
>> /Loa
>> 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


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Subject: Re: [mpls] Poll to see if we have consensus to adopt draft-smack-mpls-rfc4379bis as a wg doc
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Support.

I believe the authors have addressed my earlier comments on this work.
The draft is quite ripe for adoption/

Regards,
Sasha

Office: +972-39266302
Cell:      +972-549266302
Email:   Alexander.Vainshtein@ecitele.com

-----Original Message-----
From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
Sent: Saturday, December 19, 2015 7:20 AM
To: mpls@ietf.org
Cc: mpls-chairs@ietf.org; draft-smack-mpls-rfc4379bis@ietf.org
Subject: [mpls] Poll to see if we have consensus to adopt draft-smack-mpls-=
rfc4379bis as a wg doc

Working Group,

This is to start a three week (because of the holiday season) poll to see i=
f we have consensus to adopt draft-smack-mpls-rfc4379bis 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 disclosures directly against draft-smack-mpls-rfc4379bis d=
ocument. However, there are IPR disclosures against RFC 4379.

We have started an IPR poll in parallel to the adoption poll.

The document shepherd and working group chairs are frequently asked about t=
he working group discussions related to any IPR disclosures.

We like to remind the working group that discussion on the content and vali=
dity of an IPR disclosure should not take place on the MPLS wg list or any =
IETF mailing lists.

However we are looking for simple statements whether you think the working =
group should continue progress the document, regardless of an existing IPR =
disclosure. Please include this information in your 'support/do not support=
' when responding to working group adoption calls and last calls.

This working group adoptiom poll ends January 8, 2016.

/Loa
--=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
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https://www.ietf.org/mailman/listinfo/mpls


From nobody Sun Dec 20 07:30:29 2015
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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: IPR poll on draft-smack-mpls-rfc4379bis
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Subject: Re: [mpls] IPR poll on draft-smack-mpls-rfc4379bis
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Hi Loa,

I am not aware of any IPR other than those disclosed as part of RFC4379 or
drafts merged in this document.

Thanks,
Nagendra

On 12/19/15, 12:19 AM, "Loa Andersson" <loa@pi.nu> wrote:

>Working Group,
>
>The authors of draft-smack-mpls-rfc4379bis has told us that
>the document is ready for working adoption.
>
>We will do an IPR poll in parallel to the wgap.
>
>This mail starts the IPR poll.
>
>Are you aware of any IPR that applies to draft-smack-mpls-rfc4379bis?
>
>If so, has this IPR been disclosed in compliance with IETF IPR rules
>(see RFCs 3979, 4879, 3669 and 5378 for more details).
>
>There are no IPR disclosures filed directly against this document.
>However, there are  tow IPR disclosures against RFC 4379.
>
>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.
>
>
>/Loa
>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


From nobody Sun Dec 20 19:43:36 2015
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From: Mach Chen <mach.chen@huawei.com>
To: "Nagendra Kumar Nainar (naikumar)" <naikumar@cisco.com>, Loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>
Thread-Topic: IPR poll on draft-smack-mpls-rfc4379bis
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Subject: Re: [mpls] IPR poll on draft-smack-mpls-rfc4379bis
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Same here.

Best regards,
Mach

> -----Original Message-----
> From: Nagendra Kumar Nainar (naikumar) [mailto:naikumar@cisco.com]
> Sent: Sunday, December 20, 2015 11:30 PM
> To: Loa Andersson; mpls@ietf.org
> Cc: mpls-chairs@ietf.org; draft-smack-mpls-rfc4379bis@ietf.org; BRUNGARD,
> DEBORAH A
> Subject: Re: IPR poll on draft-smack-mpls-rfc4379bis
>=20
> Hi Loa,
>=20
> I am not aware of any IPR other than those disclosed as part of RFC4379 o=
r
> drafts merged in this document.
>=20
> Thanks,
> Nagendra
>=20
> On 12/19/15, 12:19 AM, "Loa Andersson" <loa@pi.nu> wrote:
>=20
> >Working Group,
> >
> >The authors of draft-smack-mpls-rfc4379bis has told us that the
> >document is ready for working adoption.
> >
> >We will do an IPR poll in parallel to the wgap.
> >
> >This mail starts the IPR poll.
> >
> >Are you aware of any IPR that applies to draft-smack-mpls-rfc4379bis?
> >
> >If so, has this IPR been disclosed in compliance with IETF IPR rules
> >(see RFCs 3979, 4879, 3669 and 5378 for more details).
> >
> >There are no IPR disclosures filed directly against this document.
> >However, there are  tow IPR disclosures against RFC 4379.
> >
> >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.
> >
> >
> >/Loa
> >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 Mon Dec 21 23:25:17 2015
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From: Gregory Mirsky <gregory.mirsky@ericsson.com>
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Subject: Re: [mpls] FW: draft-ietf-mpls-residence-time-00
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On 22/12/2015 23:27, Gregory Mirsky wrote:
>
> Dear All,
>
> responses to comments by Yaakov.
>
> Appreciate your consideration, comments, questions.
>
> Happy holidays and happy New Year!
>
> Regards,
>
> Greg
>
> *From:*Alexander Vainshtein [mailto:Alexander.Vainshtein@ecitele.com]
> *Sent:* Sunday, December 20, 2015 10:05 PM
> *To:* Yaakov Stein
> *Cc:* draft-ietf-mpls-residence-time@tools.ietf.org
> *Subject:* Re: draft-ietf-mpls-residence-time-00
>
> Yaakov,
>
> Lots of thanks for your comments.
>
> I have not yet discussed these comments with my colleagues, so I  can 
> only speak for myself.
>
> Please see below some personal (and incomplete responses).
>
>  1. ​*Standard vs. Experimental track*: I believe this is for the WG
>     chairs and Routing ADs to decide, and we shall follow their guidance.
>  2. *The term/phrase "on-path support"*: Makes sense to me, the
>     Introduction section looks like a reasonable place to add it.
>  3. *What happens if only some nodes support RTM*: As I see it, there
>     are two possible aspects of this question:
>
>       * /​MPLS-wise/, the TTL-based mechanism defined in the draft
>         guarantees that only the nodes that support RTM handle the
>         residense time-related info. The non-supporting nodes simply
>         forward the labeled packet in the usual way.
>       * /Synchronization-wise: /I defer to my colleagues to answer
>         what is the impact of partial on-path support on the quality
>         of synchronization.
>
I would think this was best expressed as "all bets are off"

- Stewart
>
>      *
>
>  4. *Discussion of proposed control plane updates with the relevant
>     WGs*: I believe this is for the WG chairs and Routing ADs to
>     decide, and we shall follow their guidance. Personally I think
>     that keeping of the elements of a solution in one document is
>     preferable to distributing them across multiple documents, each
>     with its own overhead.
>  5. *Replacing the term "scratch pad"*:  I can live with a different
>     name for this field - "That which we call a rose/By any other name
>     would smell as sweet".  If you have any specific suggestion, it
>     would help.
>  6. *Reference to **/draft-ietf-tictoc-1588overmpls/*: I believe that
>     this should be an Informational reference, and I do not have any
>     problems with adding it. I also think that such references should
>     be reciprocal.
>
> I think that your comments can be  handled together with the rest of 
> the WG LC comments. Is this  OK with you?
>
> Regards, and, again, lots of thanks for your careful review.
>
> Sasha
>
> ------------------------------------------------------------------------
>
> *From:*Yaakov Stein <yaakov_s@rad.com <mailto:yaakov_s@rad.com>>
> *Sent:* Saturday, December 19, 2015 7:44 PM
> *To:* draft-ietf-mpls-residence-time@tools.ietf.org 
> <mailto:draft-ietf-mpls-residence-time@tools.ietf.org>
> *Subject:* draft-ietf-mpls-residence-time-00
>
> Authors,
>
> I am no longer subscribed to the MPLS list, and so am sending you my 
> comments directly.
>
> I previously asked for a use case or cases justifying the need for a 
> mechanism for residence time correction over MPLS.
>
> The MPLS WG people who commented on the TICTOC draft insisted on it 
> being EXPERIMENTAL in status mainly for this reason.
>
> I object to this draft being standards track for the same reason.
>
> This draft corresponds to what is called in TICTOC “on-path support”.
>
> It would be useful to use the phrase to help people understand what is 
> being proposed.
>
> How do existing networks have to be modified to exploit this draft?
>
> What happens if only some nodes support this draft (partial support)?
>
> Section 4 has a list of control protocol upgrades.
>
> When we were advancing the aforementioned TICTOC WG draft we were told 
> that this work needed to be carried out within
>
> or at least with active participation of the relevant WGs, such as 
> OSPF, ISIS, and CCAMP.
>
> I objected to the use of the term “scratch pad” for a field which was 
> dedicated entirely to TCF.
>
> I see that this terminology remains in 
> https://tools.ietf.org/html/draft-ietf-mpls-residence-time-00 .
>
>
>   Please reference/draft-ietf-tictoc-1588overmpls/(awaiting PROTO
>   writeup)as an alternative solution to this problem.
>
>
>   Y(J)S
>
>
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls


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    <div class="moz-cite-prefix">On 22/12/2015 23:27, Gregory Mirsky
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        <p class="MsoNormal"><span
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        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">responses
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        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Appreciate
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style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Happy
            holidays and happy New Year!<o:p></o:p></span></p>
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style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">               
            Regards,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">                               
            Greg<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p> </o:p></span></p>
        <div>
          <div style="border:none;border-top:solid #B5C4DF
            1.0pt;padding:3.0pt 0in 0in 0in">
            <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">
                Alexander Vainshtein
                [<a class="moz-txt-link-freetext" href="mailto:Alexander.Vainshtein@ecitele.com">mailto:Alexander.Vainshtein@ecitele.com</a>]
                <br>
                <b>Sent:</b> Sunday, December 20, 2015 10:05 PM<br>
                <b>To:</b> Yaakov Stein<br>
                <b>Cc:</b> <a class="moz-txt-link-abbreviated" href="mailto:draft-ietf-mpls-residence-time@tools.ietf.org">draft-ietf-mpls-residence-time@tools.ietf.org</a><br>
                <b>Subject:</b> Re: draft-ietf-mpls-residence-time-00<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <div id="divtagdefaultwrapper">
          <blockquote style="margin-left:30.0pt;margin-right:0in">
            <blockquote style="margin-left:30.0pt;margin-right:0in">
              <p style="background:white"><span style="color:black"><o:p> </o:p></span></p>
            </blockquote>
          </blockquote>
          <p class="MsoNormal" style="background:white"><span
              style="color:black">Yaakov, <o:p>
              </o:p></span></p>
          <div>
            <p class="MsoNormal" style="background:white"><span
                style="color:black">Lots of thanks for your comments.<o:p></o:p></span></p>
          </div>
          <div>
            <p class="MsoNormal" style="background:white"><span
                style="color:black"><o:p> </o:p></span></p>
          </div>
          <div>
            <p class="MsoNormal" style="background:white"><span
                style="color:black">I have not yet discussed these
                comments with my colleagues, so I  can only speak
                for myself.<o:p></o:p></span></p>
          </div>
          <div>
            <p class="MsoNormal" style="background:white"><span
                style="color:black">Please see below some personal (and
                incomplete responses). <o:p></o:p></span></p>
          </div>
          <div>
            <p class="MsoNormal" style="background:white"><span
                style="color:black"><o:p> </o:p></span></p>
          </div>
          <div>
            <ol start="1" type="1">
              <li class="MsoNormal"
                style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
                level1 lfo1;background:white">
                ​<strong>Standard vs. Experimental track</strong>: I
                believe this is for the WG chairs and Routing ADs to
                decide, and we shall follow their guidance. <o:p></o:p></li>
              <li class="MsoNormal"
                style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
                level1 lfo1;background:white">
                <strong>The term/phrase "on-path support"</strong>:
                Makes sense to me, the Introduction section looks like a
                reasonable place to add it.<o:p></o:p></li>
              <li class="MsoNormal"
                style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
                level1 lfo1;background:white">
                <strong>What happens if only some nodes support RTM</strong>: As I
                see it, there are two possible aspects of this question:<o:p></o:p></li>
            </ol>
            <ol start="3" type="1">
              <ul type="circle">
                <li class="MsoNormal"
                  style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
                  level2 lfo1;background:white">
                  <em>​MPLS-wise</em>, the TTL-based mechanism defined
                  in the draft guarantees that only the nodes that
                  support RTM handle the residense time-related info.
                  The non-supporting nodes simply forward the labeled
                  packet in the usual way. <o:p></o:p></li>
                <li class="MsoNormal"
                  style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
                  level2 lfo1;background:white">
                  <em>Synchronization-wise: </em>I defer to my
                  colleagues to answer what is the impact of partial
                  on-path support on the quality of synchronization.</li>
              </ul>
            </ol>
          </div>
        </div>
      </div>
    </blockquote>
    I would think this was best expressed as "all bets are off"<br>
    <br>
    - Stewart<br>
    <blockquote
cite="mid:7347100B5761DC41A166AC17F22DF1122196F9BD@eusaamb103.ericsson.se"
      type="cite">
      <div class="WordSection1">
        <div id="divtagdefaultwrapper">
          <div>
            <ol start="3" type="1">
              <ul type="circle">
                <li class="MsoNormal"
                  style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
                  level2 lfo1;background:white"><o:p></o:p></li>
              </ul>
            </ol>
            <ol start="4" type="1">
              <li class="MsoNormal"
                style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
                level1 lfo1;background:white">
                 <strong>Discussion of proposed control plane updates
                  with the relevant WGs</strong>: <span
                  style="background:white">I believe this is for the WG
                  chairs and Routing ADs to decide, and we shall follow
                  their guidance. Personally I think that keeping of the
                  elements of a solution in one document is preferable
                  to distributing them across multiple documents, each
                  with its own overhead.</span><o:p></o:p></li>
              <li class="MsoNormal"
                style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
                level1 lfo1;background:white">
                <strong><span style="background:white">Replacing the
                    term "scratch pad"</span></strong><span
                  style="background:white">:  I can live with a
                  different name for this field - "That which we call a
                  rose/By any other name would smell as sweet".  If you
                  have any specific suggestion, it would help.</span><o:p></o:p></li>
              <li class="MsoNormal"
                style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
                level1 lfo1;background:white">
                <strong><span style="background:white">Reference to </span></strong><strong><i><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">draft-ietf-tictoc-1588overmpls</span></i></strong><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">: </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">I
                  believe that this should be an Informational
                  reference, and I do not have any problems with adding
                  it. I also think that such references should be
                  reciprocal.</span><o:p></o:p></li>
            </ol>
            <div>
              <p class="MsoNormal" style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">I
                  think that your comments can be  handled together with
                  the rest of the WG LC comments. Is this  OK with you?</span><span
                  style="color:black"><o:p></o:p></span></p>
            </div>
            <div>
              <p class="MsoNormal" style="background:white"><span
                  style="color:black"><o:p> </o:p></span></p>
            </div>
            <div>
              <p class="MsoNormal" style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">Regards,
                  and, again, lots of thanks for your careful review.</span><span
                  style="color:black"><o:p></o:p></span></p>
            </div>
            <div>
              <p class="MsoNormal" style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">Sasha</span><span
                  style="color:black"><o:p></o:p></span></p>
            </div>
            <div>
              <div class="MsoNormal"
                style="text-align:center;background:white"
                align="center">
                <span style="color:black">
                  <hr align="center" size="2" width="98%">
                </span></div>
              <div id="divRplyFwdMsg">
                <p class="MsoNormal" style="background:white"><b><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">From:</span></b><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">
                    Yaakov Stein &lt;<a moz-do-not-send="true"
                      href="mailto:yaakov_s@rad.com">yaakov_s@rad.com</a>&gt;<br>
                    <b>Sent:</b> Saturday, December 19, 2015 7:44 PM<br>
                    <b>To:</b> <a moz-do-not-send="true"
                      href="mailto:draft-ietf-mpls-residence-time@tools.ietf.org">draft-ietf-mpls-residence-time@tools.ietf.org</a><br>
                    <b>Subject:</b> draft-ietf-mpls-residence-time-00</span><span
                    style="color:black">
                    <o:p></o:p></span></p>
                <div>
                  <p class="MsoNormal" style="background:white"><span
                      style="color:black"> <o:p></o:p></span></p>
                </div>
              </div>
              <div>
                <div>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Authors,
                    </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"> </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">I
                      am no longer subscribed to the MPLS list, and so
                      am sending you my comments directly.</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"> </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">I
                      previously asked for a use case or cases
                      justifying the need for a mechanism for residence
                      time correction over MPLS.</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">The
                      MPLS WG people who commented on the TICTOC draft
                      insisted on it being EXPERIMENTAL in status mainly
                      for this reason.</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">I
                      object to this draft being standards track for the
                      same reason.</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"> </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">This
                      draft corresponds to what is called in TICTOC
                      “on-path support”.</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">It
                      would be useful to use the phrase to help people
                      understand what is being proposed.</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"> </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">How
                      do existing networks have to be modified to
                      exploit this draft?</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">What
                      happens if only some nodes support this draft
                      (partial support)?</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"> </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Section
                      4 has a list of control protocol upgrades.</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">When
                      we were advancing the aforementioned TICTOC WG
                      draft we were told that this work needed to be
                      carried out within</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">or
                      at least with active participation of the relevant
                      WGs, such as OSPF, ISIS, and CCAMP.</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"> </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">I
                      objected to the use of the term “scratch pad” for
                      a field which was dedicated entirely to TCF.</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <p style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">I
                      see that this terminology remains in
                      <a moz-do-not-send="true"
                        href="https://tools.ietf.org/html/draft-ietf-mpls-residence-time-00"
                        id="LPlnk758610">
                        <span style="color:#0563C1">https://tools.ietf.org/html/draft-ietf-mpls-residence-time-00</span></a>
                      .</span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p></o:p></span></p>
                  <h1 style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;font-weight:normal">Please
                      reference</span><span
style="font-size:12.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"></span><i><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;font-weight:normal">draft-ietf-tictoc-1588overmpls</span></i><span
                      style="font-size:12.0pt;font-family:&quot;Courier
                      New&quot;;color:black">
                    </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;font-weight:normal">(awaiting
                      PROTO writeup)</span><span
                      style="font-size:12.0pt;font-family:&quot;Courier
                      New&quot;;color:black">
                    </span><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;font-weight:normal">as
                      an alternative solution to this problem.</span><span
                      style="font-size:12.0pt;font-family:&quot;Courier
                      New&quot;;color:black"><o:p></o:p></span></h1>
                  <h1 style="background:white"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D;font-weight:normal">Y(J)S</span><span
                      style="font-size:12.0pt;font-family:&quot;Courier
                      New&quot;;color:black"><o:p></o:p></span></h1>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
mpls mailing list
<a class="moz-txt-link-abbreviated" href="mailto:mpls@ietf.org">mpls@ietf.org</a>
<a class="moz-txt-link-freetext" href="https://www.ietf.org/mailman/listinfo/mpls">https://www.ietf.org/mailman/listinfo/mpls</a>
</pre>
    </blockquote>
    <br>
  </body>
</html>

--------------040807030708070907060701--


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From: Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>
To: Stewart Bryant <stewart.bryant@gmail.com>
Thread-Topic: [mpls] FW: draft-ietf-mpls-residence-time-00
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References: <5674E8D9.3020000@pi.nu> <D29C337E.CA734%naikumar@cisco.com> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE28B686691@SZXEMA510-MBX.china.huawei.com>
Date: Wed, 23 Dec 2015 10:43:16 -0800
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From: Kireeti Kompella <kireeti.kompella@gmail.com>
To: Mach Chen <mach.chen@huawei.com>
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Subject: Re: [mpls] IPR poll on draft-smack-mpls-rfc4379bis
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Same here.

On Sun, Dec 20, 2015 at 7:43 PM, Mach Chen <mach.chen@huawei.com> wrote:

> Same here.
>
> Best regards,
> Mach
>
> > -----Original Message-----
> > From: Nagendra Kumar Nainar (naikumar) [mailto:naikumar@cisco.com]
> > Sent: Sunday, December 20, 2015 11:30 PM
> > To: Loa Andersson; mpls@ietf.org
> > Cc: mpls-chairs@ietf.org; draft-smack-mpls-rfc4379bis@ietf.org;
> BRUNGARD,
> > DEBORAH A
> > Subject: Re: IPR poll on draft-smack-mpls-rfc4379bis
> >
> > Hi Loa,
> >
> > I am not aware of any IPR other than those disclosed as part of RFC4379
> or
> > drafts merged in this document.
> >
> > Thanks,
> > Nagendra
> >
> > On 12/19/15, 12:19 AM, "Loa Andersson" <loa@pi.nu> wrote:
> >
> > >Working Group,
> > >
> > >The authors of draft-smack-mpls-rfc4379bis has told us that the
> > >document is ready for working adoption.
> > >
> > >We will do an IPR poll in parallel to the wgap.
> > >
> > >This mail starts the IPR poll.
> > >
> > >Are you aware of any IPR that applies to draft-smack-mpls-rfc4379bis?
> > >
> > >If so, has this IPR been disclosed in compliance with IETF IPR rules
> > >(see RFCs 3979, 4879, 3669 and 5378 for more details).
> > >
> > >There are no IPR disclosures filed directly against this document.
> > >However, there are  tow IPR disclosures against RFC 4379.
> > >
> > >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.
> > >
> > >
> > >/Loa
> > >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
>
>


-- 
Kireeti

--001a1140c20c657a000527951815
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Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Same here.</div><div class=3D"gmail_extra"><br><div class=
=3D"gmail_quote">On Sun, Dec 20, 2015 at 7:43 PM, Mach Chen <span dir=3D"lt=
r">&lt;<a href=3D"mailto:mach.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;border-left:1px #ccc solid;padding-left:1ex">Same her=
e.<br>
<br>
Best regards,<br>
Mach<br>
<div class=3D"HOEnZb"><div class=3D"h5"><br>
&gt; -----Original Message-----<br>
&gt; From: Nagendra Kumar Nainar (naikumar) [mailto:<a href=3D"mailto:naiku=
mar@cisco.com">naikumar@cisco.com</a>]<br>
&gt; Sent: Sunday, December 20, 2015 11:30 PM<br>
&gt; To: Loa Andersson; <a href=3D"mailto:mpls@ietf.org">mpls@ietf.org</a><=
br>
&gt; Cc: <a href=3D"mailto:mpls-chairs@ietf.org">mpls-chairs@ietf.org</a>; =
<a href=3D"mailto:draft-smack-mpls-rfc4379bis@ietf.org">draft-smack-mpls-rf=
c4379bis@ietf.org</a>; BRUNGARD,<br>
&gt; DEBORAH A<br>
&gt; Subject: Re: IPR poll on draft-smack-mpls-rfc4379bis<br>
&gt;<br>
&gt; Hi Loa,<br>
&gt;<br>
&gt; I am not aware of any IPR other than those disclosed as part of RFC437=
9 or<br>
&gt; drafts merged in this document.<br>
&gt;<br>
&gt; Thanks,<br>
&gt; Nagendra<br>
&gt;<br>
&gt; On 12/19/15, 12:19 AM, &quot;Loa Andersson&quot; &lt;<a href=3D"mailto=
:loa@pi.nu">loa@pi.nu</a>&gt; wrote:<br>
&gt;<br>
&gt; &gt;Working Group,<br>
&gt; &gt;<br>
&gt; &gt;The authors of draft-smack-mpls-rfc4379bis has told us that the<br=
>
&gt; &gt;document is ready for working adoption.<br>
&gt; &gt;<br>
&gt; &gt;We will do an IPR poll in parallel to the wgap.<br>
&gt; &gt;<br>
&gt; &gt;This mail starts the IPR poll.<br>
&gt; &gt;<br>
&gt; &gt;Are you aware of any IPR that applies to draft-smack-mpls-rfc4379b=
is?<br>
&gt; &gt;<br>
&gt; &gt;If so, has this IPR been disclosed in compliance with IETF IPR rul=
es<br>
&gt; &gt;(see RFCs 3979, 4879, 3669 and 5378 for more details).<br>
&gt; &gt;<br>
&gt; &gt;There are no IPR disclosures filed directly against this document.=
<br>
&gt; &gt;However, there are=C2=A0 tow IPR disclosures against RFC 4379.<br>
&gt; &gt;<br>
&gt; &gt;If you are listed as a document author or contributor please respo=
nd to<br>
&gt; &gt;this email regardless of whether or not you are aware of any relev=
ant<br>
&gt; &gt;IPR. *The response needs to be sent to the MPLS wg mailing list.* =
The<br>
&gt; &gt;document will not advance to the next stage until a response has b=
een<br>
&gt; &gt;received from each author and contributor.<br>
&gt; &gt;<br>
&gt; &gt;If you are on the MPLS WG email list but are not listed as an auth=
or or<br>
&gt; &gt;contributor, then please explicitly respond only if you are aware =
of<br>
&gt; &gt;any IPR that has not yet been disclosed in conformance with IETF r=
ules.<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt;/Loa<br>
&gt; &gt;mpls wg co-chair<br>
&gt; &gt;--<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt;Loa Andersson=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 email: <a href=3D"mailto:loa@mail01.huawei.=
com">loa@mail01.huawei.com</a><br>
&gt; &gt;Senior MPLS Expert=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 <a href=3D"mailto:loa@pi.nu">loa=
@pi.nu</a><br>
&gt; &gt;Huawei Technologies (consultant)=C2=A0 =C2=A0 =C2=A0phone: <a href=
=3D"tel:%2B46%20739%2081%2021%2064" value=3D"+46739812164">+46 739 81 21 64=
</a><br>
<br>
</div></div></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>=
<div class=3D"gmail_signature">Kireeti</div>
</div>

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Subject: [mpls] [Errata Verified] RFC3107 (4497)
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The following errata report has been verified for RFC3107,
"Carrying Label Information in BGP-4". 

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=3107&eid=4497

--------------------------------------
Status: Verified
Type: Technical

Reported by: Alexander Okonnikov <alexander.okonnikov@gmail.com>
Date Reported: 2015-10-13
Verified by: Deborah Brungard (IESG)

Section: 2

Original Text
-------------
Label distribution can be piggybacked in the BGP Update message by
   using the BGP-4 Multiprotocol Extensions attribute [RFC 2283].

Corrected Text
--------------
Label distribution can be piggybacked in the BGP Update message by
   using the BGP-4 Multiprotocol Extensions attribute
defined in RFC 2858 [BGP-MP].

Notes
-----
No reference [RFC 2283] in Reference section of RFC 3107. The reference is called [BGP-MP].

--------------------------------------
RFC3107 (draft-ietf-mpls-bgp4-mpls-04)
--------------------------------------
Title               : Carrying Label Information in BGP-4
Publication Date    : May 2001
Author(s)           : Y. Rekhter, E. Rosen
Category            : PROPOSED STANDARD
Source              : Multiprotocol Label Switching
Area                : Routing
Stream              : IETF
Verifying Party     : IESG

