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From: Tianran Zhou <zhoutianran@huawei.com>
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CC: "draft-ietf-pals-p2mp-pw-lsp-ping.all@ietf.org" <draft-ietf-pals-p2mp-pw-lsp-ping.all@ietf.org>, "pals@ietf.org" <pals@ietf.org>
Thread-Topic: Opsdir telechat review of draft-ietf-pals-p2mp-pw-lsp-ping-03
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Date: Fri, 2 Jun 2017 08:06:33 +0000
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Subject: [Pals] Opsdir telechat review of draft-ietf-pals-p2mp-pw-lsp-ping-03
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Reviewer: Tianran Zhou
Review result: Has Nits

I have reviewed this document as part of the Operational directorate's ongo=
ing effort to review all IETF documents being processed by the IESG.  These=
 comments were written with the intent of improving the operational aspects=
 of the IETF drafts. Comments that are not addressed in last call may be in=
cluded in AD reviews during the IESG review.  Document editors and WG chair=
s should treat these comments just like any other last call comments.

Document reviewed: draft-ietf-pals-p2mp-pw-lsp-ping-03

Summary:
No issue found. This document is well written, and is ready for publication=
.
Only a couple of nits, for the authors consideration:

1. in section 1, "Multipoint LDP (mDLP)"=20

Is the acronym "mLDP"?

2. in section 1,=20
"Multi-segment Pseudowires support is out of scope of this document at
   present and may be included in future."

At this stage, the I-D is stable. I think you can just say "Multi-segment P=
seudowires support is out of scope of this document".

3. in section 6,
"MLDP" should align with the previous acronym in section 1, i.e. "mLDP".

And there is auto check result from the system:

  =3D=3D Unused Reference: 'RFC5085' is defined on line 325, but no explici=
t
     reference was found in the text

  ** Obsolete normative reference: RFC 4379


     Summary: 1 error (**), 0 flaws (~~), 1 warning (=3D=3D), 1 comment (--=
).

     Run idnits with the --verbose option for more detailed information abo=
ut
     the items above.=20



Regards,
Tianran


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Subject: [Pals] Fwd: I-D Action: draft-ietf-trill-transport-over-mpls-05.txt
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Hi,

We should review this from a PALS perspective.

Does anyone have time to do a quick check?

Stewart



-------- Forwarded Message --------
Subject: 	I-D Action: draft-ietf-trill-transport-over-mpls-05.txt
Date: 	Sat, 03 Jun 2017 07:54:30 -0700
From: 	internet-drafts@ietf.org
Reply-To: 	internet-drafts@ietf.org
To: 	i-d-announce@ietf.org
CC: 	trill@ietf.org



A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Transparent Interconnection of Lots of Links of the IETF.

         Title           : TRILL Transparent Transport over MPLS
         Authors         : Mohammed Umair
                           Kingston Smiler Selvaraj
                           Donald E. Eastlake 3rd
                           Lucy Yong
	Filename        : draft-ietf-trill-transport-over-mpls-05.txt
	Pages           : 17
	Date            : 2017-06-03

Abstract:
    This document specifies how to interconnect multiple Transparent
    Interconnection of Lots of links (TRILL) sites with an intervening
    MPLS network using existing TRILL and VPLS standards. This draft
    addresses two problems as follows:

    1) Providing connection between more than two TRILL sites that
    are separated by an MPLS provider network.

    2) Providing a single logical virtualized TRILL network for
    different tenants that are separated by an MPLS provider network.





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

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-trill-transport-over-mpls-05
https://datatracker.ietf.org/doc/html/draft-ietf-trill-transport-over-mpls-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-trill-transport-over-mpls-05


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/

_______________________________________________
I-D-Announce mailing list
I-D-Announce@ietf.org
https://www.ietf.org/mailman/listinfo/i-d-announce
Internet-Draft directories: http://www.ietf.org/shadow.html
or ftp://ftp.ietf.org/ietf/1shadow-sites.txt


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<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=windows-1252">
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  <body text="#000000" bgcolor="#FFFFFF">
    <p>Hi,<br>
    </p>
    <p>We should review this from a PALS perspective.</p>
    <p>Does anyone have time to do a quick check?<br>
    </p>
    <p>Stewart<br>
    </p>
    <div class="moz-forward-container"><br>
      <br>
      -------- Forwarded Message --------
      <table class="moz-email-headers-table" cellspacing="0"
        cellpadding="0" border="0">
        <tbody>
          <tr>
            <th nowrap="nowrap" valign="BASELINE" align="RIGHT">Subject:
            </th>
            <td>I-D Action: draft-ietf-trill-transport-over-mpls-05.txt</td>
          </tr>
          <tr>
            <th nowrap="nowrap" valign="BASELINE" align="RIGHT">Date: </th>
            <td>Sat, 03 Jun 2017 07:54:30 -0700</td>
          </tr>
          <tr>
            <th nowrap="nowrap" valign="BASELINE" align="RIGHT">From: </th>
            <td><a class="moz-txt-link-abbreviated" href="mailto:internet-drafts@ietf.org">internet-drafts@ietf.org</a></td>
          </tr>
          <tr>
            <th nowrap="nowrap" valign="BASELINE" align="RIGHT">Reply-To:
            </th>
            <td><a class="moz-txt-link-abbreviated" href="mailto:internet-drafts@ietf.org">internet-drafts@ietf.org</a></td>
          </tr>
          <tr>
            <th nowrap="nowrap" valign="BASELINE" align="RIGHT">To: </th>
            <td><a class="moz-txt-link-abbreviated" href="mailto:i-d-announce@ietf.org">i-d-announce@ietf.org</a></td>
          </tr>
          <tr>
            <th nowrap="nowrap" valign="BASELINE" align="RIGHT">CC: </th>
            <td><a class="moz-txt-link-abbreviated" href="mailto:trill@ietf.org">trill@ietf.org</a></td>
          </tr>
        </tbody>
      </table>
      <br>
      <br>
      <pre>A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Transparent Interconnection of Lots of Links of the IETF.

        Title           : TRILL Transparent Transport over MPLS
        Authors         : Mohammed Umair
                          Kingston Smiler Selvaraj
                          Donald E. Eastlake 3rd
                          Lucy Yong
	Filename        : draft-ietf-trill-transport-over-mpls-05.txt
	Pages           : 17
	Date            : 2017-06-03

Abstract:
   This document specifies how to interconnect multiple Transparent
   Interconnection of Lots of links (TRILL) sites with an intervening
   MPLS network using existing TRILL and VPLS standards. This draft
   addresses two problems as follows:

   1) Providing connection between more than two TRILL sites that
   are separated by an MPLS provider network.

   2) Providing a single logical virtualized TRILL network for
   different tenants that are separated by an MPLS provider network.





The IETF datatracker status page for this draft is:
<a class="moz-txt-link-freetext" href="https://datatracker.ietf.org/doc/draft-ietf-trill-transport-over-mpls/">https://datatracker.ietf.org/doc/draft-ietf-trill-transport-over-mpls/</a>

There are also htmlized versions available at:
<a class="moz-txt-link-freetext" href="https://tools.ietf.org/html/draft-ietf-trill-transport-over-mpls-05">https://tools.ietf.org/html/draft-ietf-trill-transport-over-mpls-05</a>
<a class="moz-txt-link-freetext" href="https://datatracker.ietf.org/doc/html/draft-ietf-trill-transport-over-mpls-05">https://datatracker.ietf.org/doc/html/draft-ietf-trill-transport-over-mpls-05</a>

A diff from the previous version is available at:
<a class="moz-txt-link-freetext" href="https://www.ietf.org/rfcdiff?url2=draft-ietf-trill-transport-over-mpls-05">https://www.ietf.org/rfcdiff?url2=draft-ietf-trill-transport-over-mpls-05</a>


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:
<a class="moz-txt-link-freetext" href="ftp://ftp.ietf.org/internet-drafts/">ftp://ftp.ietf.org/internet-drafts/</a>

_______________________________________________
I-D-Announce mailing list
<a class="moz-txt-link-abbreviated" href="mailto:I-D-Announce@ietf.org">I-D-Announce@ietf.org</a>
<a class="moz-txt-link-freetext" href="https://www.ietf.org/mailman/listinfo/i-d-announce">https://www.ietf.org/mailman/listinfo/i-d-announce</a>
Internet-Draft directories: <a class="moz-txt-link-freetext" href="http://www.ietf.org/shadow.html">http://www.ietf.org/shadow.html</a>
or <a class="moz-txt-link-freetext" href="ftp://ftp.ietf.org/ietf/1shadow-sites.txt">ftp://ftp.ietf.org/ietf/1shadow-sites.txt</a>
</pre>
    </div>
  </body>
</html>

--------------D6CD571D1C85A15C5ED6F0F2--


From nobody Tue Jun  6 13:41:27 2017
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Cc: draft-ietf-pals-vpls-pim-snooping@ietf.org, Andrew Malis <agmalis@gmail.com>, pals-chairs@ietf.org, agmalis@gmail.com, pals@ietf.org
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Subject: [Pals] Kathleen Moriarty's No Objection on draft-ietf-pals-vpls-pim-snooping-05: (with COMMENT)
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Kathleen Moriarty has entered the following ballot position for
draft-ietf-pals-vpls-pim-snooping-05: No Objection

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----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

Can I see the version that addresses the SecDir review comments?  The mail
thread showed agreement that they were all legitimate concerns, but the draft
was not updated yet to fix these concerns with the text.

https://datatracker.ietf.org/doc/review-ietf-pals-vpls-pim-snooping-05-secdir-lc-housley-2017-05-11/

Thanks.



From nobody Tue Jun  6 14:59:16 2017
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From: "BRUNGARD, DEBORAH A" <db3546@att.com>
To: Kathleen Moriarty <Kathleen.Moriarty.ietf@gmail.com>, The IESG <iesg@ietf.org>
CC: "agmalis@gmail.com" <agmalis@gmail.com>, "pals-chairs@ietf.org" <pals-chairs@ietf.org>, "draft-ietf-pals-vpls-pim-snooping@ietf.org" <draft-ietf-pals-vpls-pim-snooping@ietf.org>, "pals@ietf.org" <pals@ietf.org>
Thread-Topic: Kathleen Moriarty's No Objection on draft-ietf-pals-vpls-pim-snooping-05: (with COMMENT)
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Date: Tue, 6 Jun 2017 21:58:44 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/pals/pSeAUn3oBnWDZixaA9I1fcV7ieM>
Subject: Re: [Pals] Kathleen Moriarty's No Objection on draft-ietf-pals-vpls-pim-snooping-05: (with COMMENT)
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From: Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com>
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Date: Tue, 6 Jun 2017 21:07:09 -0400
Cc: The IESG <iesg@ietf.org>, "agmalis@gmail.com" <agmalis@gmail.com>, "pals-chairs@ietf.org" <pals-chairs@ietf.org>, "draft-ietf-pals-vpls-pim-snooping@ietf.org" <draft-ietf-pals-vpls-pim-snooping@ietf.org>,  "pals@ietf.org" <pals@ietf.org>
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To: "BRUNGARD, DEBORAH A" <db3546@att.com>
Archived-At: <https://mailarchive.ietf.org/arch/msg/pals/f1StOkqV0hqmhQifEQMixgJSOVo>
Subject: Re: [Pals] Kathleen Moriarty's No Objection on draft-ietf-pals-vpls-pim-snooping-05: (with COMMENT)
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Thank you, Deborah.  That's helpful and I put the comment in so it would not=
 be missed.

Best regards,
Kathleen=20

Sent from my iPhone

> On Jun 6, 2017, at 5:58 PM, BRUNGARD, DEBORAH A <db3546@att.com> wrote:
>=20
> Hi Kathleen,
>=20
> With Alvaro's deferral for pim wg review, the preference by the pim chair w=
as to hold off on updating so that they could start immediately with the rev=
iew and complete within these two weeks.
>=20
> The chairs and I asked the authors to update for the last call, directorat=
e reviews, and IESG review after the telechat.
>=20
> Thanks,
> Deborah
>=20
>=20
>> -----Original Message-----
>> From: iesg [mailto:iesg-bounces@ietf.org] On Behalf Of Kathleen Moriarty
>> Sent: Tuesday, June 06, 2017 4:41 PM
>> To: The IESG <iesg@ietf.org>
>> Cc: agmalis@gmail.com; pals-chairs@ietf.org; draft-ietf-pals-vpls-pim-
>> snooping@ietf.org; pals@ietf.org
>> Subject: Kathleen Moriarty's No Objection on draft-ietf-pals-vpls-pim-
>> snooping-05: (with COMMENT)
>>=20
>> Kathleen Moriarty has entered the following ballot position for
>> draft-ietf-pals-vpls-pim-snooping-05: No Objection
>>=20
>> When responding, please keep the subject line intact and reply to all
>> email addresses included in the To and CC lines. (Feel free to cut this
>> introductory paragraph, however.)
>>=20
>>=20
>> Please refer to https://urldefense.proofpoint.com/v2/url?u=3Dhttps-
>> 3A__www.ietf.org_iesg_statement_discuss-
>> 2Dcriteria.html&d=3DDwICaQ&c=3DLFYZ-o9_HUMeMTSQicvjIg&r=3D-
>> ufLqOntt6LejLMTbN3QpjYHxsObxmPKRhiF3FnmoI0&m=3Dnjs6HfjcE2ri-
>> UOBfsx_9MLXoAjZJltxr4EN7KUYRJg&s=3DWY7dOld2WdZ8XEf24lhzdlz5rOKwqlJp_t
>> tFh41Qcas&e=3D
>> for more information about IESG DISCUSS and COMMENT positions.
>>=20
>>=20
>> The document, along with other ballot positions, can be found here:
>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps-
>> 3A__datatracker.ietf.org_doc_draft-2Dietf-2Dpals-2Dvpls-2Dpim-
>> 2Dsnooping_&d=3DDwICaQ&c=3DLFYZ-o9_HUMeMTSQicvjIg&r=3D-
>> ufLqOntt6LejLMTbN3QpjYHxsObxmPKRhiF3FnmoI0&m=3Dnjs6HfjcE2ri-
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>> PJK9Crh2s5HqSLRlcj5Xk&e=3D
>>=20
>>=20
>>=20
>> ----------------------------------------------------------------------
>> COMMENT:
>> ----------------------------------------------------------------------
>>=20
>> Can I see the version that addresses the SecDir review comments?  The mai=
l
>> thread showed agreement that they were all legitimate concerns, but the d=
raft
>> was not updated yet to fix these concerns with the text.
>>=20
>> https://urldefense.proofpoint.com/v2/url?u=3Dhttps-
>> 3A__datatracker.ietf.org_doc_review-2Dietf-2Dpals-2Dvpls-2Dpim-
>> 2Dsnooping-2D05-2Dsecdir-2Dlc-2Dhousley-2D2017-2D05-
>> 2D11_&d=3DDwICaQ&c=3DLFYZ-o9_HUMeMTSQicvjIg&r=3D-
>> ufLqOntt6LejLMTbN3QpjYHxsObxmPKRhiF3FnmoI0&m=3Dnjs6HfjcE2ri-
>> UOBfsx_9MLXoAjZJltxr4EN7KUYRJg&s=3DoUtR8-
>> TPped4tX2UcbkbpDW9U9HibuuufXIpQ3nxGqA&e=3D
>>=20
>> Thanks.
>>=20
>=20


From nobody Wed Jun  7 15:06:19 2017
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----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

My understanding is that the upcoming change to move from RFC 4601 to RFC 7761
makes section 2.3.3 no longer relevant. I presume it will be removed?

Editorial nit: section 2.4.1 uses the abbreviation "J/P" without defining it.
Suggest expanding.



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----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

Thank you for a useful document -- I have a few editorial comments which I
think will make the document more readable, and so even more useful...

Please also see the OpsDir comments (which also have some minor editorial
nits):
https://datatracker.ietf.org/doc/review-ietf-pals-vpls-pim-snooping-05-opsdir-lc-pignataro-2017-05-10/

My comments:
S 1.  Introduction
O: .  Forwarding Information Base for a VPLS instance is  populated dynamically
by MAC address learning. P: . The  Forwarding Information Base (FIB) for a VPLS
instance is populated dynamically by MAC address learning. C: Was missing a
"The".  Also, might be worth unexpanding "Forwarding Information Base" (sorry,
so used to asking people to expand acronyms, feels odd to suggest the you also
include the acronym, but might be helpful for people who know the term FIB, but
not the expansion :-)).

O: "While this document is in the context of VPLS, the procedures apply  to
regular layer-2 switches interconnected by physical connections as well, albeit
this is outside of the scope of this document.  In that case, the PW related
concept/procedures are not applicable and that’s all." P: "These procedures
also apply to regular layer-2 switches interconnected by physical connections,
but further discussion is out of scope for this document. C: The original
sentence was clunky. I think that the proposed still covers the salient points,
but is easier to read. The "and that's all" in the original also seemed weird.

O: "Notice that traffic is always sent on ports that have point-to-point
connections to routers that are attached to a LAN on which there is a router."
C: Err...   "... routers that are attached to a LAN on which there is a
router." If the router is attached to a LAN, then there is a router on the LAN.
I'm presuming that you mean "routers that are attached to a LAN on which there
is a another router." or "at least one other router"? "If we had some eggs, we
could have eggs and bacon, if we had some bacon..." :-)

O: "Unless explicitly noted, the procedures in this document are used for
either PIM snooping or PIM proxying, and we will largely refer to PIM snooping
in this document." P: "We will use the term PIM snooping in this document; but,
unless explicitly noted, the procedures in this document apply equally to PIM
snooping and PIM proxying". C: I had to read the original a few times, I
*think* that my proposed is clearer, but might be wrong...



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Archived-At: <https://mailarchive.ietf.org/arch/msg/pals/NOkm3oCYCYnffFocalaOR8jDcck>
Subject: Re: [Pals] Adam Roach's No Objection on draft-ietf-pals-vpls-pim-snooping-05: (with COMMENT)
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Adam,

Thanks for your comments, please see in-line for my replies.

Olivier.

On 06/08/2017 12:06 AM, Adam Roach wrote:
> Adam Roach has entered the following ballot position for
> draft-ietf-pals-vpls-pim-snooping-05: No Objection
>
> When responding, please keep the subject line intact and reply to all
> email addresses included in the To and CC lines. (Feel free to cut this
> introductory paragraph, however.)
>
>
> Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html
> for more information about IESG DISCUSS and COMMENT positions.
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>
> The document, along with other ballot positions, can be found here:
> https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/
>
>
>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> My understanding is that the upcoming change to move from RFC 4601 to RFC 7761
> makes section 2.3.3 no longer relevant. I presume it will be removed?

I have decided to keep the section for clarity, but of course I have 
rephrased it to explain the removal of (*,*,RP) states by RFC7761.

> Editorial nit: section 2.4.1 uses the abbreviation "J/P" without defining it.
> Suggest expanding.
>
>

Agreed, will be updated.


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Date: Fri, 9 Jun 2017 09:24:45 +0200
From: Olivier Dornon <olivier.dornon@nokia.com>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/pals/wI4qhCs7qaNU3YrzVVk_xBoPGs8>
Subject: Re: [Pals] Warren Kumari's No Objection on draft-ietf-pals-vpls-pim-snooping-05: (with COMMENT)
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X-List-Received-Date: Fri, 09 Jun 2017 07:25:05 -0000

Hi Warren,

Thank you for the review, see my responses inline.

Olivier.

On 06/08/2017 03:01 AM, Warren Kumari wrote:
> Warren Kumari has entered the following ballot position for
> draft-ietf-pals-vpls-pim-snooping-05: No Objection
>
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>
>
> Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html
> for more information about IESG DISCUSS and COMMENT positions.
>
>
> The document, along with other ballot positions, can be found here:
> https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/
>
>
>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> Thank you for a useful document -- I have a few editorial comments which I
> think will make the document more readable, and so even more useful...
>
> Please also see the OpsDir comments (which also have some minor editorial
> nits):
> https://datatracker.ietf.org/doc/review-ietf-pals-vpls-pim-snooping-05-opsdir-lc-pignataro-2017-05-10/
>
> My comments:
> S 1.  Introduction
> O: .  Forwarding Information Base for a VPLS instance is  populated dynamically
> by MAC address learning. P: . The  Forwarding Information Base (FIB) for a VPLS
> instance is populated dynamically by MAC address learning. C: Was missing a
> "The".  Also, might be worth unexpanding "Forwarding Information Base" (sorry,
> so used to asking people to expand acronyms, feels odd to suggest the you also
> include the acronym, but might be helpful for people who know the term FIB, but
> not the expansion :-)).
Agreed.
> O: "While this document is in the context of VPLS, the procedures apply  to
> regular layer-2 switches interconnected by physical connections as well, albeit
> this is outside of the scope of this document.  In that case, the PW related
> concept/procedures are not applicable and that’s all." P: "These procedures
> also apply to regular layer-2 switches interconnected by physical connections,
> but further discussion is out of scope for this document. C: The original
> sentence was clunky. I think that the proposed still covers the salient points,
> but is easier to read. The "and that's all" in the original also seemed weird.
I already rephrased this based on other comments. It now says :

"While this document is in the context of VPLS, the procedures also
   apply to regular layer-2 switches interconnected by physical
   connections, except that the PW related concept and procedures do
   not apply in that case."

> O: "Notice that traffic is always sent on ports that have point-to-point
> connections to routers that are attached to a LAN on which there is a router."
> C: Err...   "... routers that are attached to a LAN on which there is a
> router." If the router is attached to a LAN, then there is a router on the LAN.
> I'm presuming that you mean "routers that are attached to a LAN on which there
> is a another router." or "at least one other router"? "If we had some eggs, we
> could have eggs and bacon, if we had some bacon..." :-)

You're right, I'll update it.

> O: "Unless explicitly noted, the procedures in this document are used for
> either PIM snooping or PIM proxying, and we will largely refer to PIM snooping
> in this document." P: "We will use the term PIM snooping in this document; but,
> unless explicitly noted, the procedures in this document apply equally to PIM
> snooping and PIM proxying". C: I had to read the original a few times, I
> *think* that my proposed is clearer, but might be wrong...
>

Indeed, your wording is better, I'll update.



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From: Sami Boutros <sboutros@vmware.com>
To: "Patrice Brissette (pbrisset)" <pbrisset@cisco.com>, Min Ye <amy.yemin@huawei.com>, "rtg-dir@ietf.org" <rtg-dir@ietf.org>
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Thread-Topic: Rtgdir last call review of draft-ietf-pals-p2mp-pw-02
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Content-Description: draft-ietf-pals-p2mp-pw-03.txt
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--_002_4E9FB8C02CC148C9994FBDE741BDD52Cvmwarecom_--


From nobody Tue Jun 13 23:11:15 2017
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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 Pseudowire And LDP-enabled Services of the IETF.

        Title           : Protocol Independent Multicast (PIM) over Virtual Private LAN Service (VPLS)
        Authors         : Olivier Dornon
                          Jayant Kotalwar
                          Venu Hemige
                          Ray Qiu
                          Jeffrey Zhang
	Filename        : draft-ietf-pals-vpls-pim-snooping-06.txt
	Pages           : 40
	Date            : 2017-06-13

Abstract:
   This document describes the procedures and recommendations for
   Virtual Private LAN Service (VPLS) Provider Edges (PEs) to facilitate
   replication of multicast traffic to only certain ports (behind which
   there are interested Protocol Independent Multicast (PIM) routers
   and/or Internet Group Management Protocol (IGMP) hosts) via Protocol
   Independent Multicast (PIM) snooping and proxying.

   With PIM snooping, PEs passively listen to certain PIM control
   messages to build control and forwarding states while transparently
   flooding those messages.  With PIM proxying, Provider Edges (PEs) do
   not flood PIM Join/Prune messages but only generate their own and
   send out of certain ports, based on the control states built from
   downstream Join/Prune messages.  PIM proxying is required when PIM
   Join suppression is enabled on the Customer Equipment (CE) devices
   and useful to reduce PIM control traffic in a VPLS domain.

   The document also describes PIM relay, which can be viewed as light-
   weight proxying, where all downstream Join/Prune messages are simply
   forwarded out of certain ports but not flooded to avoid triggering
   PIM Join suppression on CE devices.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/

There are also htmlized versions available at:
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https://datatracker.ietf.org/doc/html/draft-ietf-pals-vpls-pim-snooping-06

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pals-vpls-pim-snooping-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 Sun Jun 18 02:11:52 2017
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----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

I understand that this document does not introduce any new mechanisms compared
to rfc6425, however, I think both documents enable an amplification attack. Is
this not a concern or should that be discussed somewhere?



From nobody Mon Jun 19 11:12:35 2017
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----------------------------------------------------------------------
DISCUSS:
----------------------------------------------------------------------

I think the P2MP Pseudowire Sub-TLV in Section 4.1 is a bit under-specified. It
is unclear how the address family of the originating router's IP address is
communicated. Is this purely derived from the IP Addr Len (i.e. Len is 4 =>
IPv4, Len is 16 => IPv6)? If so, I think it would be useful to state this
explicitly and add some validity checking and error handling for values other
than 4 and 16.


----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

Are there no alignment requirements for the IP address in "Originating Routers
IP Addr" inside the sub-TLV? I would think that alignment on a 4 byte boundary
might be needed.



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To: Suresh Krishnan <suresh.krishnan@gmail.com>, The IESG <iesg@ietf.org>
Cc: draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org, Andrew Malis <agmalis@gmail.com>, pals-chairs@ietf.org, pals@ietf.org
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From: Stewart Bryant <stewart.bryant@gmail.com>
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Subject: Re: [Pals] Suresh Krishnan's Discuss on draft-ietf-pals-p2mp-pw-lsp-ping-03: (with DISCUSS and COMMENT)
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On 19/06/2017 19:12, Suresh Krishnan wrote:
> Suresh Krishnan has entered the following ballot position for
> draft-ietf-pals-p2mp-pw-lsp-ping-03: Discuss
>
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> https://datatracker.ietf.org/doc/draft-ietf-pals-p2mp-pw-lsp-ping/
>
>
>
> ----------------------------------------------------------------------
> DISCUSS:
> ----------------------------------------------------------------------
>
> I think the P2MP Pseudowire Sub-TLV in Section 4.1 is a bit under-specified. It
> is unclear how the address family of the originating router's IP address is
> communicated. Is this purely derived from the IP Addr Len (i.e. Len is 4 =>
> IPv4, Len is 16 => IPv6)?

Suresh

Whilst I have some sympathy for your point, it does say "The Originating 
Router's IP address is the
IPv4 or IPv6 address of the P2MP PW root." So only two address families 
are allowed, and
I doubt that the IETF will have much stomach for a third mainstream 
family. Those two
families are clearly distinguishable by length, so there really is no 
ambiguity.


> If so, I think it would be useful to state this
> explicitly and add some validity checking and error handling for values other
> than 4 and 16.

RFC4379 which is a base document has section 3.7 on what to do if there 
is an error in the
TLV, so technically the draft is complete, although on a P2MP I am not 
sure that is the
right way forward since a lot of error traffic may be returned. It might 
be better to log
the error via the NMS.

- Stewart


>
>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> Are there no alignment requirements for the IP address in "Originating Routers
> IP Addr" inside the sub-TLV? I would think that alignment on a 4 byte boundary
> might be needed.
>
>
Why? It may not be aligned by the time we take into a/c the MAC header 
etc no matter what
we do to the TLV.

- Stewart



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To: =?UTF-8?Q?Mirja_K=c3=bchlewind?= <ietf@kuehlewind.net>, The IESG <iesg@ietf.org>
Cc: draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org, Andrew Malis <agmalis@gmail.com>, pals-chairs@ietf.org, pals@ietf.org
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From: Stewart Bryant <stewart.bryant@gmail.com>
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Date: Mon, 19 Jun 2017 21:19:53 +0100
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Subject: Re: [Pals]  =?utf-8?q?Mirja_K=C3=BChlewind=27s_No_Objection_on_draft-?= =?utf-8?q?ietf-pals-p2mp-pw-lsp-ping-03=3A_=28with_COMMENT=29?=
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On 18/06/2017 10:11, Mirja Kühlewind wrote:
> Mirja Kühlewind has entered the following ballot position for
> draft-ietf-pals-p2mp-pw-lsp-ping-03: No Objection
>
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>
>
>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> I understand that this document does not introduce any new mechanisms compared
> to rfc6425, however, I think both documents enable an amplification attack. Is
> this not a concern or should that be discussed somewhere?
>
>
It is of course quite hard for an attacker to get an MPLS pkt into the 
network to generate this
type of attack. More likely an error may trigger such a problem, but a 
good implementation
would always rate limit the responses.

- Stewart


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From: "Parag Jain (paragj)" <paragj@cisco.com>
To: Stewart Bryant <stewart.bryant@gmail.com>, Suresh Krishnan <suresh.krishnan@gmail.com>, The IESG <iesg@ietf.org>
CC: "draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org" <draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org>, Andrew Malis <agmalis@gmail.com>, "pals-chairs@ietf.org" <pals-chairs@ietf.org>, "pals@ietf.org" <pals@ietf.org>
Thread-Topic: Suresh Krishnan's Discuss on draft-ietf-pals-p2mp-pw-lsp-ping-03: (with DISCUSS and COMMENT)
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Subject: Re: [Pals] Suresh Krishnan's Discuss on draft-ietf-pals-p2mp-pw-lsp-ping-03: (with DISCUSS and COMMENT)
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From nobody Mon Jun 19 13:56:06 2017
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Spencer Dawkins has entered the following ballot position for
draft-ietf-pals-p2mp-pw-lsp-ping-03: No Objection

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----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

I share Mirja's curiosity about the potential for amplification attacks, but
I'll watch that conversation, so no need to reply to me.



From nobody Tue Jun 20 10:07:10 2017
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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 Pseudowire And LDP-enabled Services of the IETF.

        Title           : Signaling Root-Initiated Point-to-Multipoint Pseudowire using LDP
        Authors         : Sami Boutros
                          Siva Sivabalan
	Filename        : draft-ietf-pals-p2mp-pw-03.txt
	Pages           : 17
	Date            : 2017-06-20

Abstract:
   This document specifies a mechanism to signal Point-to-Multipoint
   (P2MP) Pseudowires (PW) tree using LDP. Such a mechanism is suitable
   for any Layer 2 VPN service requiring P2MP connectivity over an IP or
   MPLS enabled PSN. A P2MP PW established via the proposed mechanism is
   root initiated. This document updates RFC7385 by re-assigning
   reserved value 0xFF to be the wildcard transport tunnel type.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pals-p2mp-pw/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pals-p2mp-pw-03
https://datatracker.ietf.org/doc/html/draft-ietf-pals-p2mp-pw-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pals-p2mp-pw-03


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Joel, thank you for your review. I have entered a No Objection ballot =
position.

Alissa

> On May 31, 2017, at 12:01 PM, Joel Halpern <jmh@joelhalpern.com> =
wrote:
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> Reviewer: Joel Halpern
> Review result: Ready
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> I am the assigned Gen-ART reviewer for this draft. The General Area
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> Document: draft-ietf-pals-p2mp-pw-lsp-ping-??
> Reviewer: Joel Halpern
> Review Date: 2017-05-31
> IETF LC End Date: 2017-06-09
> IESG Telechat date: 2017-06-22
>=20
> Summary: This document is ready for publication as a proposed
> standard
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From nobody Tue Jun 20 12:22:09 2017
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Eric Rescorla has entered the following ballot position for
draft-ietf-pals-p2mp-pw-lsp-ping-03: No Objection

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----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

Document: draft-ietf-pals-p2mp-pw-lsp-ping-03.txt

Assuming I am understanding this document correctly, it's just a refinement
of MPLS Echo to point out a specific receiver to respond. Is that correct?
If so, perhaps you could make that clear in the intro.

This document is pretty acronym heavy. Please ensure that every acronym
is expanded on first use. Examples include LSP, VPN, VPLS, etc.
Similarly, LSP Tail/Bud, etc. need citations.

Figure 2 would benefit from some explanations of the packet flow. Where
does the echo packet start, where does it stop? Who answers, etc.



From nobody Wed Jun 21 08:02:29 2017
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----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

   The LSP Ping Echo request IPv4/UDP packets is encapsulated with the
   MPLS label stack as described in previous sections, followed by one
   of the two encapsulation options:

IPv4 only?

And here Tianran Zhou's OPS DIR review:
No issue found. This document is well written, and is ready for publication.
Only a couple of nits, for the authors consideration:

1. in section 1, "Multipoint LDP (mDLP)"

Is the acronym "mLDP"?

2. in section 1,
"Multi-segment Pseudowires support is out of scope of this document at
   present and may be included in future."

At this stage, the I-D is stable. I think you can just say "Multi-segment
Pseudowires support is out of scope of this document".

3. in section 6,
"MLDP" should align with the previous acronym in section 1, i.e. "mLDP".

And there is auto check result from the system:

  == Unused Reference: 'RFC5085' is defined on line 325, but no explicit
     reference was found in the text

  ** Obsolete normative reference: RFC 4379

     Summary: 1 error (**), 0 flaws (~~), 1 warning (==), 1 comment (--).

     Run idnits with the --verbose option for more detailed information about
     the items above.



From nobody Wed Jun 21 08:26:14 2017
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----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

I like the solution, but the document could do with some editing.

Major:
1: Sec 1.  Introduction
O:  Multi-segment Pseudowires support is out of scope of this document at 
present and may be included in future. P:  Multi-segment Pseudowires support is
out of scope of this document. C: Once published as an RFC, the document
doesn't change. Could be "... may be addressed in a future document", but I'd
suggest leaving it out.

2: General
The document has many unexpanded acronyms, e.g: ACH in "... MPLS label stack
and IPv4 or IPv6 ACH."  In the Introduction you have: "such as P2MP ATM over
PSN." - while PSN might count as a well known acronym, it feels like, in an
Intro it should be less opaque - see
https://www.rfc-editor.org/materials/abbrev.expansion.txt for RFC known
acronyms.

3: The "Controlling Echo Responses" section feels weak -- it says that  "The
procedures ... **can** be applied to P2MP PW LSP Ping." (emphasis added) - it
feels like this should be a SHOULD? I think better a description of the DoS
implications (other than just pointing at RFC6425) is also important.

Nits:
1: The document would benefit from some serious grammar checking -- e.g:
"... Echo Request to inform the receiver at P2MP MPLS LSP tail, of the P2MP PW
being tested." - extra ','. "For Inclusive P-Trees, P2MP MPLS LSP label itself
can uniquely identify the Throughout the document..." - missing 'the' - things
like this, and confusion over plurals (especially near acronyms) makes the
document hard to read / review.

2: "P2MP ATM over PSN.   Requirements for ... " - extra space (nit!)

3: Sec 8.  Security Considerations
"The proposal introduced in this document does not introduce any new security
considerations beyond that already apply to [RFC6425]." -- this sentence is
poorly formed. Perhaps "beyond those that..."? Or "beyond those in"?



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From: "Parag Jain (paragj)" <paragj@cisco.com>
To: "Benoit Claise (bclaise)" <bclaise@cisco.com>, The IESG <iesg@ietf.org>
CC: "pals-chairs@ietf.org" <pals-chairs@ietf.org>, "draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org" <draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org>, "agmalis@gmail.com" <agmalis@gmail.com>, "zhoutianran@huawei.com" <zhoutianran@huawei.com>, "pals@ietf.org" <pals@ietf.org>
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From nobody Wed Jun 21 09:26:47 2017
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From: "Parag Jain (paragj)" <paragj@cisco.com>
To: Warren Kumari <warren@kumari.net>, The IESG <iesg@ietf.org>
CC: "draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org" <draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org>, Andrew Malis <agmalis@gmail.com>, "pals-chairs@ietf.org" <pals-chairs@ietf.org>, "pals@ietf.org" <pals@ietf.org>
Thread-Topic: Warren Kumari's No Objection on draft-ietf-pals-p2mp-pw-lsp-ping-03: (with COMMENT)
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Subject: Re: [Pals] Warren Kumari's No Objection on draft-ietf-pals-p2mp-pw-lsp-ping-03: (with COMMENT)
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From nobody Wed Jun 21 10:43:00 2017
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From: Ben Campbell <ben@nostrum.com>
To: "The IESG" <iesg@ietf.org>
Cc: draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org, Andrew Malis <agmalis@gmail.com>, pals-chairs@ietf.org, agmalis@gmail.com, pals@ietf.org
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Subject: [Pals] Ben Campbell's No Objection on draft-ietf-pals-p2mp-pw-lsp-ping-03: (with COMMENT)
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Ben Campbell has entered the following ballot position for
draft-ietf-pals-p2mp-pw-lsp-ping-03: No Objection

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The document, along with other ballot positions, can be found here:
https://datatracker.ietf.org/doc/draft-ietf-pals-p2mp-pw-lsp-ping/



----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

Please expand LSP and FEC on first mention. Please consider expanding PSN and
LDP (I see they are marked as "well-known" in the abbreviation list, but I
think expansion would be helpful in context.)



From nobody Wed Jun 21 11:09:29 2017
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From: "Parag Jain (paragj)" <paragj@cisco.com>
To: Ben Campbell <ben@nostrum.com>, The IESG <iesg@ietf.org>
CC: "draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org" <draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org>, Andrew Malis <agmalis@gmail.com>, "pals-chairs@ietf.org" <pals-chairs@ietf.org>, "pals@ietf.org" <pals@ietf.org>
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Subject: Re: [Pals] Ben Campbell's No Objection on draft-ietf-pals-p2mp-pw-lsp-ping-03: (with COMMENT)
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From: Warren Kumari <warren@kumari.net>
Date: Wed, 21 Jun 2017 18:34:37 +0000
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To: "Parag Jain (paragj)" <paragj@cisco.com>, The IESG <iesg@ietf.org>
Cc: Andrew Malis <agmalis@gmail.com>,  "draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org" <draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org>,  "pals-chairs@ietf.org" <pals-chairs@ietf.org>, "pals@ietf.org" <pals@ietf.org>
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Subject: Re: [Pals] Warren Kumari's No Objection on draft-ietf-pals-p2mp-pw-lsp-ping-03: (with COMMENT)
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Okey dokey -- that all works for me.

Thanks,
W

On Wed, Jun 21, 2017 at 12:26 PM Parag Jain (paragj) <paragj@cisco.com>
wrote:

> Hi Warren
>
> Please see inline.
>
>
> On 2017-06-21, 11:26 AM, "Warren Kumari" <warren@kumari.net> wrote:
>
>     Warren Kumari has entered the following ballot position for
>     draft-ietf-pals-p2mp-pw-lsp-ping-03: No Objection
>
>     When responding, please keep the subject line intact and reply to all
>     email addresses included in the To and CC lines. (Feel free to cut th=
is
>     introductory paragraph, however.)
>
>
>     Please refer to
> https://www.ietf.org/iesg/statement/discuss-criteria.html
>     for more information about IESG DISCUSS and COMMENT positions.
>
>
>     The document, along with other ballot positions, can be found here:
>     https://datatracker.ietf.org/doc/draft-ietf-pals-p2mp-pw-lsp-ping/
>
>
>
>     ---------------------------------------------------------------------=
-
>     COMMENT:
>     ---------------------------------------------------------------------=
-
>
>     I like the solution, but the document could do with some editing.
>
>     Major:
>     1: Sec 1.  Introduction
>     O:  Multi-segment Pseudowires support is out of scope of this documen=
t
> at
>     present and may be included in future. P:  Multi-segment Pseudowires
> support is
>     out of scope of this document. C: Once published as an RFC, the
> document
>     doesn't change. Could be "... may be addressed in a future document",
> but I'd
>     suggest leaving it out.
>
> Will change to =E2=80=9CMulti-segment Pseudowires support is out of scope=
 of this
> document=E2=80=9D.
>
>
>     2: General
>     The document has many unexpanded acronyms, e.g: ACH in "... MPLS labe=
l
> stack
>     and IPv4 or IPv6 ACH."  In the Introduction you have: "such as P2MP
> ATM over
>     PSN." - while PSN might count as a well known acronym, it feels like,
> in an
>     Intro it should be less opaque - see
>     https://www.rfc-editor.org/materials/abbrev.expansion.txt for RFC
> known
>     acronyms.
>
> Will fix. Also go through the doc for any more missed acronyms.
>
>     3: The "Controlling Echo Responses" section feels weak -- it says
> that  "The
>     procedures ... **can** be applied to P2MP PW LSP Ping." (emphasis
> added) - it
>     feels like this should be a SHOULD? I think better a description of
> the DoS
>     implications (other than just pointing at RFC6425) is also important.
>
> Will change to should. RFC6425 describes the need and procedures
> themselves in detail. IMO, adding details to  this document is not needed=
.
> I will refer to specific Sections of RFC6425 to make it more explicit. Le=
t
> me know if that will work.
>
>     Nits:
>     1: The document would benefit from some serious grammar checking --
> e.g:
>     "... Echo Request to inform the receiver at P2MP MPLS LSP tail, of th=
e
> P2MP PW
>     being tested." - extra ','. "For Inclusive P-Trees, P2MP MPLS LSP
> label itself
>     can uniquely identify the Throughout the document..." - missing 'the'
> - things
>     like this, and confusion over plurals (especially near acronyms) make=
s
> the
>     document hard to read / review.
>
> Will fix.
>
>     2: "P2MP ATM over PSN.   Requirements for ... " - extra space (nit!)
>
> will fix.
>
>     3: Sec 8.  Security Considerations
>     "The proposal introduced in this document does not introduce any new
> security
>     considerations beyond that already apply to [RFC6425]." -- this
> sentence is
>     poorly formed. Perhaps "beyond those that..."? Or "beyond those in"?
>
> will fix.
>
> Thanks
> Parag
>
>
>
> --
I don't think the execution is relevant when it was obviously a bad idea in
the first place.
This is like putting rabid weasels in your pants, and later expressing
regret at having chosen those particular rabid weasels and that pair of
pants.
   ---maf

--94eb2c1b0ce6724d5805527c9f29
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<div><div dir=3D"auto">Okey dokey -- that all works for me.</div><div dir=
=3D"auto"><br></div><div dir=3D"auto">Thanks,</div><div dir=3D"auto">W</div=
><br><div class=3D"gmail_quote"><div>On Wed, Jun 21, 2017 at 12:26 PM Parag=
 Jain (paragj) &lt;<a href=3D"mailto:paragj@cisco.com">paragj@cisco.com</a>=
&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 =
0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Warren<br>
<br>
Please see inline.<br>
<br>
<br>
On 2017-06-21, 11:26 AM, &quot;Warren Kumari&quot; &lt;<a href=3D"mailto:wa=
rren@kumari.net" target=3D"_blank">warren@kumari.net</a>&gt; wrote:<br>
<br>
=C2=A0 =C2=A0 Warren Kumari has entered the following ballot position for<b=
r>
=C2=A0 =C2=A0 draft-ietf-pals-p2mp-pw-lsp-ping-03: No Objection<br>
<br>
=C2=A0 =C2=A0 When responding, please keep the subject line intact and repl=
y to all<br>
=C2=A0 =C2=A0 email addresses included in the To and CC lines. (Feel free t=
o cut this<br>
=C2=A0 =C2=A0 introductory paragraph, however.)<br>
<br>
<br>
=C2=A0 =C2=A0 Please refer to <a href=3D"https://www.ietf.org/iesg/statemen=
t/discuss-criteria.html" rel=3D"noreferrer" target=3D"_blank">https://www.i=
etf.org/iesg/statement/discuss-criteria.html</a><br>
=C2=A0 =C2=A0 for more information about IESG DISCUSS and COMMENT positions=
.<br>
<br>
<br>
=C2=A0 =C2=A0 The document, along with other ballot positions, can be found=
 here:<br>
=C2=A0 =C2=A0 <a href=3D"https://datatracker.ietf.org/doc/draft-ietf-pals-p=
2mp-pw-lsp-ping/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.=
ietf.org/doc/draft-ietf-pals-p2mp-pw-lsp-ping/</a><br>
<br>
<br>
<br>
=C2=A0 =C2=A0 -------------------------------------------------------------=
---------<br>
=C2=A0 =C2=A0 COMMENT:<br>
=C2=A0 =C2=A0 -------------------------------------------------------------=
---------<br>
<br>
=C2=A0 =C2=A0 I like the solution, but the document could do with some edit=
ing.<br>
<br>
=C2=A0 =C2=A0 Major:<br>
=C2=A0 =C2=A0 1: Sec 1.=C2=A0 Introduction<br>
=C2=A0 =C2=A0 O:=C2=A0 Multi-segment Pseudowires support is out of scope of=
 this document at<br>
=C2=A0 =C2=A0 present and may be included in future. P:=C2=A0 Multi-segment=
 Pseudowires support is<br>
=C2=A0 =C2=A0 out of scope of this document. C: Once published as an RFC, t=
he document<br>
=C2=A0 =C2=A0 doesn&#39;t change. Could be &quot;... may be addressed in a =
future document&quot;, but I&#39;d<br>
=C2=A0 =C2=A0 suggest leaving it out.<br>
<br>
Will change to =E2=80=9CMulti-segment Pseudowires support is out of scope o=
f this document=E2=80=9D.<br>
<br>
<br>
=C2=A0 =C2=A0 2: General<br>
=C2=A0 =C2=A0 The document has many unexpanded acronyms, e.g: ACH in &quot;=
... MPLS label stack<br>
=C2=A0 =C2=A0 and IPv4 or IPv6 ACH.&quot;=C2=A0 In the Introduction you hav=
e: &quot;such as P2MP ATM over<br>
=C2=A0 =C2=A0 PSN.&quot; - while PSN might count as a well known acronym, i=
t feels like, in an<br>
=C2=A0 =C2=A0 Intro it should be less opaque - see<br>
=C2=A0 =C2=A0 <a href=3D"https://www.rfc-editor.org/materials/abbrev.expans=
ion.txt" rel=3D"noreferrer" target=3D"_blank">https://www.rfc-editor.org/ma=
terials/abbrev.expansion.txt</a> for RFC known<br>
=C2=A0 =C2=A0 acronyms.<br>
<br>
Will fix. Also go through the doc for any more missed acronyms.<br>
<br>
=C2=A0 =C2=A0 3: The &quot;Controlling Echo Responses&quot; section feels w=
eak -- it says that=C2=A0 &quot;The<br>
=C2=A0 =C2=A0 procedures ... **can** be applied to P2MP PW LSP Ping.&quot; =
(emphasis added) - it<br>
=C2=A0 =C2=A0 feels like this should be a SHOULD? I think better a descript=
ion of the DoS<br>
=C2=A0 =C2=A0 implications (other than just pointing at RFC6425) is also im=
portant.<br>
<br>
Will change to should. RFC6425 describes the need and procedures themselves=
 in detail. IMO, adding details to=C2=A0 this document is not needed. I wil=
l refer to specific Sections of RFC6425 to make it more explicit. Let me kn=
ow if that will work.<br>
<br>
=C2=A0 =C2=A0 Nits:<br>
=C2=A0 =C2=A0 1: The document would benefit from some serious grammar check=
ing -- e.g:<br>
=C2=A0 =C2=A0 &quot;... Echo Request to inform the receiver at P2MP MPLS LS=
P tail, of the P2MP PW<br>
=C2=A0 =C2=A0 being tested.&quot; - extra &#39;,&#39;. &quot;For Inclusive =
P-Trees, P2MP MPLS LSP label itself<br>
=C2=A0 =C2=A0 can uniquely identify the Throughout the document...&quot; - =
missing &#39;the&#39; - things<br>
=C2=A0 =C2=A0 like this, and confusion over plurals (especially near acrony=
ms) makes the<br>
=C2=A0 =C2=A0 document hard to read / review.<br>
<br>
Will fix.<br>
<br>
=C2=A0 =C2=A0 2: &quot;P2MP ATM over PSN.=C2=A0 =C2=A0Requirements for ... =
&quot; - extra space (nit!)<br>
<br>
will fix.<br>
<br>
=C2=A0 =C2=A0 3: Sec 8.=C2=A0 Security Considerations<br>
=C2=A0 =C2=A0 &quot;The proposal introduced in this document does not intro=
duce any new security<br>
=C2=A0 =C2=A0 considerations beyond that already apply to [RFC6425].&quot; =
-- this sentence is<br>
=C2=A0 =C2=A0 poorly formed. Perhaps &quot;beyond those that...&quot;? Or &=
quot;beyond those in&quot;?<br>
<br>
will fix.<br>
<br>
Thanks<br>
Parag<br>
<br>
<br>
<br>
</blockquote></div></div><div dir=3D"ltr">-- <br></div><div data-smartmail=
=3D"gmail_signature">I don&#39;t think the execution is relevant when it wa=
s obviously a bad idea in the first place.<br>This is like putting rabid we=
asels in your pants, and later expressing regret at having chosen those par=
ticular rabid weasels and that pair of pants.<br>=C2=A0 =C2=A0---maf</div>

--94eb2c1b0ce6724d5805527c9f29--


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From: Ben Campbell <ben@nostrum.com>
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Date: Wed, 21 Jun 2017 13:39:08 -0500
Cc: The IESG <iesg@ietf.org>, "draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org" <draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org>,  Andrew Malis <agmalis@gmail.com>, "pals-chairs@ietf.org" <pals-chairs@ietf.org>, "pals@ietf.org" <pals@ietf.org>
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To: "Parag Jain (paragj)" <paragj@cisco.com>
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Subject: Re: [Pals] Ben Campbell's No Objection on draft-ietf-pals-p2mp-pw-lsp-ping-03: (with COMMENT)
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Thanks!

Ben.

> On Jun 21, 2017, at 1:09 PM, Parag Jain (paragj) <paragj@cisco.com> =
wrote:
>=20
>=20
> On 2017-06-21, 1:42 PM, "Ben Campbell" <ben@nostrum.com> wrote:
>=20
>    Ben Campbell has entered the following ballot position for
>    draft-ietf-pals-p2mp-pw-lsp-ping-03: No Objection
>=20
>    When responding, please keep the subject line intact and reply to =
all
>    email addresses included in the To and CC lines. (Feel free to cut =
this
>    introductory paragraph, however.)
>=20
>=20
>    Please refer to =
https://www.ietf.org/iesg/statement/discuss-criteria.html
>    for more information about IESG DISCUSS and COMMENT positions.
>=20
>=20
>    The document, along with other ballot positions, can be found here:
>    https://datatracker.ietf.org/doc/draft-ietf-pals-p2mp-pw-lsp-ping/
>=20
>=20
>=20
>    =
----------------------------------------------------------------------
>    COMMENT:
>    =
----------------------------------------------------------------------
>=20
>    Please expand LSP and FEC on first mention. Please consider =
expanding PSN and
>    LDP (I see they are marked as "well-known" in the abbreviation =
list, but I
>    think expansion would be helpful in context.)
>=20
> will do.
>=20
> Thanks
> Parag
>=20
>=20
>=20
>=20


From nobody Wed Jun 21 14:54:59 2017
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From: Adam Roach <adam@nostrum.com>
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Subject: [Pals] Adam Roach's No Objection on draft-ietf-pals-p2mp-pw-lsp-ping-03: (with COMMENT)
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Adam Roach has entered the following ballot position for
draft-ietf-pals-p2mp-pw-lsp-ping-03: No Objection

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The document, along with other ballot positions, can be found here:
https://datatracker.ietf.org/doc/draft-ietf-pals-p2mp-pw-lsp-ping/



----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

I share Suhas' concerns.

Please expand the following acronyms upon first use and in the title;
see https://www.rfc-editor.org/materials/abbrev.expansion.txt for guidance.

 - P2MP - Point-to-Multipoint
 - PW - pseudowire
 - LSP - Label Switched Path
 - VPLS - Virtual Private LAN Service
 - TE - Traffic Engineering (?)
 - FEC - Forwarding Equivalence Class
 - LSR - Label Switching Router
 - GAL - Generic Associated Channel Label
 - ACH - Associated Channel Header
 - CE - ???
 - PE - Provider Edge



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From: "Parag Jain (paragj)" <paragj@cisco.com>
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CC: "draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org" <draft-ietf-pals-p2mp-pw-lsp-ping@ietf.org>, Andrew Malis <agmalis@gmail.com>, "pals-chairs@ietf.org" <pals-chairs@ietf.org>, "pals@ietf.org" <pals@ietf.org>
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From nobody Fri Jun 23 17:16:34 2017
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Subject: [Pals] pals - Requested session has been scheduled for IETF 99
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Dear Stewart Bryant,

The session(s) that you have requested have been scheduled.
Below is the scheduled session information followed by
the original request. 

pals Session 1 (1:00:00)
    Monday, Afternoon Session III 1740-1840
    Room Name: Congress Hall I size: 250
    ---------------------------------------------
    


Request Information:


---------------------------------------------------------
Working Group Name: Pseudowire And LDP-enabled Services
Area Name: Routing Area
Session Requester: Stewart Bryant

Number of Sessions: 1
Length of Session(s):  1 Hour
Number of Attendees: 80
Conflicts to Avoid: 
 First Priority: rtgwg spring opsawg nvo3 detnet mpls ccamp rtgarea




People who must be present:
  Stewart Bryant
  Andrew G. Malis
  Deborah Brungard

Resources Requested:

Special Requests:
  Please avoid any of the 5G related BOFs if they are approved : netslices, 5ganip, ideas
---------------------------------------------------------


From nobody Sat Jun 24 13:21:10 2017
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From: "Andrew G. Malis" <agmalis@gmail.com>
Date: Sat, 24 Jun 2017 16:20:44 -0400
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--001a113ced7810c9be0552ba750d
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pals is going to have a single one-hour session in Prague as follows:

pals Session 1 (1:00:00)
    Monday, Afternoon Session III 1740-1840
    Room Name: Congress Hall I size: 250

We currently have one topic on the agenda, draft-bryant-pals-ethernet-cw,
so we have time for additional topics as well. Please send agenda requests
to Dave Sinicrope (his email is on the cc list). It=E2=80=99s best to just =
reply to
this email to keep the subject line intact so that the request doesn=E2=80=
=99t get
lost (but remove the pals email list from the reply).

Thanks,
Andy, Stewart, and Dave

--001a113ced7810c9be0552ba750d
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<div dir=3D"ltr">pals is going to have a single one-hour session in Prague =
as follows:<br><div class=3D"gmail_quote"><div><br></div><div>pals Session =
1 (1:00:00)<br>=C2=A0 =C2=A0 Monday, Afternoon Session III 1740-1840<br>=C2=
=A0 =C2=A0 Room Name: Congress Hall I size: 250<br></div><div><br></div><di=
v>We currently have one topic on the agenda,=C2=A0draft-bryant-pals-<wbr>et=
hernet-cw, so we have time for additional topics as well. Please send agend=
a requests to Dave Sinicrope (his email is on the cc list). It=E2=80=99s be=
st to just reply to this email to keep the subject line intact so that the =
request doesn=E2=80=99t get lost (but remove the pals email list from the r=
eply).</div><div><br></div><div>Thanks,</div><div>Andy, Stewart, and Dave</=
div></div><br></div>

--001a113ced7810c9be0552ba750d--


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Subject: [Pals] RFC 8184 on Dual-Homing Protection for MPLS and the MPLS Transport Profile (MPLS-TP) Pseudowires
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A new Request for Comments is now available in online RFC libraries.

        
        RFC 8184

        Title:      Dual-Homing Protection for MPLS and 
                    the MPLS Transport Profile (MPLS-TP) Pseudowires 
        Author:     W. Cheng, 
                    L. Wang,
                    H. Li, 
                    S. Davari,
                    J. Dong
        Status:     Informational
        Stream:     IETF
        Date:       June 2017
        Mailbox:    chengweiqiang@chinamobile.com, 
                    wangleiyj@chinamobile.com, 
                    lihan@chinamobile.com, 
                    davari@broadcom.com, 
                    jie.dong@huawei.com
        Pages:      11
        Characters: 24298
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-pals-mpls-tp-dual-homing-protection-06.txt

        URL:        https://www.rfc-editor.org/info/rfc8184

        DOI:        10.17487/RFC8184

This document describes a framework and several scenarios for a
pseudowire (PW) dual-homing local protection mechanism that avoids
unnecessary switchovers and does not depend on whether a control
plane is used.  A Dual-Node Interconnection (DNI) PW is used to carry
traffic between the dual-homing Provider Edge (PE) nodes when a
failure occurs in one of the Attachment Circuits (AC) or PWs.  This
PW dual-homing local protection mechanism is complementary to
existing PW protection mechanisms.

This document is a product of the Pseudowire And LDP-enabled Services Working Group of the IETF.


INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution of
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The RFC Editor Team
Association Management Solutions, LLC



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Subject: [Pals] RFC 8185 on Dual-Homing Coordination for MPLS Transport Profile (MPLS-TP) Pseudowires Protection
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A new Request for Comments is now available in online RFC libraries.

        
        RFC 8185

        Title:      Dual-Homing Coordination for MPLS Transport 
                    Profile (MPLS-TP) Pseudowires Protection 
        Author:     W. Cheng,
                    L. Wang,
                    H. Li,
                    J. Dong,
                    A. D'Alessandro
        Status:     Standards Track
        Stream:     IETF
        Date:       June 2017
        Mailbox:    chengweiqiang@chinamobile.com, 
                    wangleiyj@chinamobile.com, 
                    lihan@chinamobile.com,
                    jie.dong@huawei.com, 
                    alessandro.dalessandro@telecomitalia.it
        Pages:      17
        Characters: 40293
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-pals-mpls-tp-dual-homing-coordination-06.txt

        URL:        https://www.rfc-editor.org/info/rfc8185

        DOI:        10.17487/RFC8185

In some scenarios, MPLS Transport Profile (MPLS-TP) pseudowires (PWs)
(RFC 5921) may be statically configured when a dynamic control plane
is not available.  A fast protection mechanism for MPLS-TP PWs is
needed to protect against the failure of an Attachment Circuit (AC),
the failure of a Provider Edge (PE), or a failure in the Packet
Switched Network (PSN).  The framework and typical scenarios of dual-
homing PW local protection are described in RFC 8184.  This document
proposes a dual-homing coordination mechanism for MPLS-TP PWs that is
used for state exchange and switchover coordination between the dual-
homing PEs for dual-homing PW local protection.

This document is a product of the Pseudowire And LDP-enabled Services Working Group of the IETF.

This is now a Proposed Standard.

STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the 
standardization state and status of this protocol.  Distribution of this 
memo is unlimited.

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The RFC Editor Team
Association Management Solutions, LLC



From nobody Wed Jun 28 09:42:53 2017
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Date: Wed, 28 Jun 2017 09:42:34 -0700
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Subject: [Pals] Document Action: 'Protocol Independent Multicast (PIM) over Virtual Private LAN Service (VPLS)' to Informational RFC (draft-ietf-pals-vpls-pim-snooping-06.txt)
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The IESG has approved the following document:
- 'Protocol Independent Multicast (PIM) over Virtual Private LAN Service
   (VPLS)'
  (draft-ietf-pals-vpls-pim-snooping-06.txt) as Informational RFC

This document is the product of the Pseudowire And LDP-enabled Services
Working Group.

The IESG contact persons are Alvaro Retana, Alia Atlas and Deborah
Brungard.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/





Technical Summary

This document describes the procedures and recommendations for
Virtual Private LAN Service (VPLS) Provider Edges (PEs) to facilitate
replication of multicast traffic to only certain ports (behind which
there are interested Protocol Independent Multicast (PIM) routers
and/or Internet Group Management Protocol (IGMP) hosts) via Protocol
Independent Multicast (PIM) snooping and proxying.

Working Group Summary

The primary thing to note about the WG process was the length of time
it's taken to get this done. This is primarily due to two factors. The first
is that it started in the L2VPN WG, and there was a five-year gap between
draft-ietf-l2vpn-vpls-pim-snooping revisions -01 and -02. My 
nderstanding is that was due to the implementors both gaining experience
with deployed code at that time, and not having the time to get back to the
draft. Once the work restarted in L2VPN, there was a last call, however, due
to review comments, work continued on the draft. When the PWE3 and
L2VPN WGs were merged into the PALS WG, it was reissued as a PALS
draft, and updates continued from additional experience from the field
and some fresh sets of eyes. 

Document Quality

The document has existed in one form or another since 2005, and
has gone through a total of 15 revisions. It has been though WG last
call twice (see above for the WG history). There is at least one known
implementation that has been deployed in the field for a number of years.

Personnel

Who is the Document Shepherd for this document?  Andy Malis
Who is the Responsible Area Director?  Deborah Brungard


From nobody Thu Jun 29 12:26:47 2017
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From: Alia Atlas <akatlas@gmail.com>
To: "The IESG" <iesg@ietf.org>
Cc: draft-ietf-pals-status-reduction@ietf.org, Stewart Bryant <stewart.bryant@gmail.com>, pals-chairs@ietf.org, stewart.bryant@gmail.com, pals@ietf.org
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Subject: [Pals] Alia Atlas' No Objection on draft-ietf-pals-status-reduction-05: (with COMMENT)
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Alia Atlas has entered the following ballot position for
draft-ietf-pals-status-reduction-05: No Objection

When responding, please keep the subject line intact and reply to all
email addresses included in the To and CC lines. (Feel free to cut this
introductory paragraph, however.)


Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html
for more information about IESG DISCUSS and COMMENT positions.


The document, along with other ballot positions, can be found here:
https://datatracker.ietf.org/doc/draft-ietf-pals-status-reduction/



----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

Thanks for addressing my concerns.



From nobody Thu Jun 29 15:55:22 2017
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Date: Thu, 29 Jun 2017 15:55:12 -0700
Archived-At: <https://mailarchive.ietf.org/arch/msg/pals/Eou6CNnlyQP1p1V7-TASTkGPvhQ>
Subject: [Pals] Protocol Action: 'MPLS LSP PW status refresh reduction for Static Pseudowires' to Proposed Standard (draft-ietf-pals-status-reduction-05.txt)
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The IESG has approved the following document:
- 'MPLS LSP PW status refresh reduction for Static Pseudowires'
  (draft-ietf-pals-status-reduction-05.txt) as Proposed Standard

This document is the product of the Pseudowire And LDP-enabled Services
Working Group.

The IESG contact persons are Alvaro Retana, Alia Atlas and Deborah
Brungard.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-pals-status-reduction/





Technical Summary

  This document describes a method for generating an aggregated
   pseudowire status message on Multi-Protocol Label Switching (MPLS)
   network Label Switched Path (LSP).

   The method for transmitting the pseudowire (PW) status information is
   not new, however this protocol extension allows a Service Provider
   (SP) to reliably monitor the individual PW status while not
   overwhelming the network with multiple periodic status messages. This
   is achieved by sending a single cumulative summary status
   verification message for all the PWs grouped in the same LSP.

Working Group Summary

The working groups has been working on this for about five years. It
has discussed it a number of times and supports publication.
    
Document Quality

This is a well written document.

There has been industry interest but we are not sure how widely
it has been implemented. It is not uncommon in this area
for RFC to proceed before implementation.

Personnel

   Who is the Document Shepherd for this document?  Stewart Bryant
   Who is the Responsible Area Director? Deborah Brungard

