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7:+43ipHv9x9TpvrYyuBFvtywvc2sMcpTdw5nD1YN66R3vcAku1zS1k/lA3wjIAtUea1MzoWWV49v/rxDoJdluuFL/djONPxvphquG2DKWVnWtxm3kCOrZsmrq4V7f+vhiAzvFQJ3+0MRCNzKDV7GJyadFscGCokctpw6gPJogrtC4PKFvff3EAcMZmiwnTppX8minVDO/CWqCIlI3Uxh3a0BpuV1oCIsFQpDpyCIfHTiTyvXYeioe8PuXV33Adpria4TTYbMud4HbBRAWeHSgrASGRJEjQPaDppHKicBFTOH872am449KKV0cLhH76OdULGF1Nex6mClBN5Ev/4P+IQ== X-OriginatorOrg: nokia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Jun 2017 07:24:30.3850 (UTC) X-MS-Exchange-CrossTenant-Id: 5d471751-9675-428d-917b-70f44f9630b0 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=5d471751-9675-428d-917b-70f44f9630b0; Ip=[135.245.241.12]; Helo=[fr711usmtp1-o.zeu.alcatel-lucent.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM2PR07MB0578 Archived-At: Subject: Re: [pim] FW: Last Call: (Protocol Independent Multicast (PIM) over Virtual Private LAN Service (VPLS)) to Informational RFC X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Jun 2017 07:24:38 -0000 Hi Stig, Thanks for the review. The minor comments have already been handled in an updated version, which I haven't uploaded yet. As for the conflict resolution, you have a good point. Would it be acceptable to scope it out of the draft, and refer to the concerned RFC's? Thanks, Olivier. On 06/01/2017 02:08 AM, Stig Venaas wrote: > Hi > > I've read through the draft and it looks pretty good. I only have one > technical concern. > > The document tries to handle RPF Vector, if so, how about supporting > join attributes in general? For RPF Vector it seems to assume that > there are no conflicts. Whenever a join with an RPF vector is > received, that is stored. And when a join is sent, the stored value is > used. But if you do proxying, then you need to do conflict resolution > as specified in RPF vector and Join Attribute RFCs. Else you may not > choose the correct value, and the value may also fluctuate. You may > have to do this separately for each N. > > Otherwise I just have the minor comments below. > > Section 1: > 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. > > Not sure what "that's all" refers to. All is applicable except the PW > related concept/procedures? > > Should refer to new PIM-SM RFC. And this paragraph can be updated: > 2.3.3. PIM-SM (*,*,RP) > > This document does not address (*,*,RP) states in the VPLS network. > Although [PIM-SM] specifies that routers must support (*,*,RP) > states, there are very few implementations that actually support it > in actual deployments, and it is being removed from the PIM protocol > in its ongoing advancement process in IETF. Given that, this > document omits the specification relating to (*,*,RP) support. > > In 2.7 PIM- BIDIR should be BIDIR-PIM > > Regards, > Stig > > > On Fri, May 26, 2017 at 2:19 PM, Stig Venaas wrote: >> Dear pim WG, it would be great if some of you could help read this >> draft and provide feedback. This is not a pim WG draft, but most of >> the content is about pim snooping. It is already with the IESG and if >> you have any feedback, please reply to this email by Monday June 5th. >> Alvaro and the authors are copied. >> >> I am also reading it myself. >> >> Thanks, >> Stig >> >> >> On Fri, May 5, 2017 at 12:07 PM, Alvaro Retana (aretana) >> wrote: >>> Pim WG: >>> >>> Hi! >>> >>> Please take a look at this draft. I’ve cc’d the authors in case oyu have some comments. >>> >>> Thanks! >>> >>> Alvaro. >>> >>> On 5/5/17, 11:34 AM, "IETF-Announce on behalf of The IESG" wrote: >>> >>> >>> The IESG has received a request from the Pseudowire And LDP-enabled >>> Services WG (pals) to consider the following document: >>> - 'Protocol Independent Multicast (PIM) over Virtual Private LAN Service >>> (VPLS)' >>> as Informational RFC >>> >>> 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 2017-05-19. 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 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 file can be obtained via >>> https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/ >>> >>> IESG discussion can be tracked via >>> https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/ballot/ >>> >>> The following IPR Declarations may be related to this I-D: >>> >>> https://datatracker.ietf.org/ipr/2366/ >>> >>> >>> >>> >>> >>> >>> >>> _______________________________________________ >>> pim mailing list >>> pim@ietf.org >>> https://www.ietf.org/mailman/listinfo/pim From nobody Mon Jun 5 10:51:59 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 155291294EF for ; Mon, 5 Jun 2017 10:51:59 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=venaas-com.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id s9pofUlsiT6c for ; Mon, 5 Jun 2017 10:51:56 -0700 (PDT) Received: from mail-qt0-x22b.google.com (mail-qt0-x22b.google.com [IPv6:2607:f8b0:400d:c0d::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8C1D51274D0 for ; Mon, 5 Jun 2017 10:51:56 -0700 (PDT) Received: by mail-qt0-x22b.google.com with SMTP id w1so96659213qtg.2 for ; Mon, 05 Jun 2017 10:51:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=venaas-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=CD3XMTVfmcW8L50iVASmuNdgXTh95Az1rRFdRWBw00U=; b=YbU4Vk/4VTfyt49jHehDkNeJXQarf4cxsl/gf5BOPrtzCk+BQgZ0uTYtosmgkJC/Bq cvXe7yeWy2fF5T0rwp/GlkUhOleLEtEe1baSJ/tbOUJKo/IsB8r4gTqCDIQ176vHY1TJ GP72hIxKTRGCGE/D13hFguoivQ0/9inZFSgeA/24B/9rBW/O577ZlWYkll5hVuEpMYDf CeTaqR0b5cUsarz5yXvbSEv3asfdU+uqgu/my2Awk9Fy9dPa/QdFejp+OGNAxiO8ci2J 7r55aGv/E2OXbmm9SvjcIrg0xfpfc8B3gBGtfOOeWXgQHNZkZACLvFynT4WBEjWSqBAQ eDDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=CD3XMTVfmcW8L50iVASmuNdgXTh95Az1rRFdRWBw00U=; b=YaY5OUfreJIwuMZY4VXErvzlwCm/ws2pUXChk4RdSvXYfTL5IUPWij0dxG3hhF6N3R /+OVpupUGx/teadctKFygufFP62GEQZ61bbv4bUOEScBhA9QxOa8eaFHdPjmDM8aBdbc CjgMnIACAiDrndP3vYsVKJ2zcemwuMqB6YdMsCQOMd+VfNVS1G1mR6q57rq91a9jsgpE bEZ3s8qFdXL5WgPooAwS2t/aHIecNSHRk3ZM3OpubhKnoLdeqg1iccgD8H3NEwvX3Uu7 LjoZUgyYBvKrJZfrunwfELuFHHXgcA/oWolIOGY/j4IpMGraGgcopNqMgA0Q/i0rA+k0 QOCg== X-Gm-Message-State: AODbwcCVQ9oE8h9HKQ16/WYD6IOJLFwaqOc4DFxHHP1ayxuB6dznQGB6 MAEWNcITd7xCn8RwdzTgk2tsBNkgU5Vp X-Received: by 10.237.41.65 with SMTP id s59mr3535734qtd.8.1496685115568; Mon, 05 Jun 2017 10:51:55 -0700 (PDT) MIME-Version: 1.0 Received: by 10.140.102.141 with HTTP; Mon, 5 Jun 2017 10:51:55 -0700 (PDT) In-Reply-To: <593112A6.2040709@nokia.com> References: <149399847394.8410.10673558056567134419.idtracker@ietfa.amsl.com> <3D1ADEBB-5845-477E-A07B-D49EA28AB6C7@cisco.com> <593112A6.2040709@nokia.com> From: Stig Venaas Date: Mon, 5 Jun 2017 10:51:55 -0700 Message-ID: To: Olivier Dornon Cc: "Alvaro Retana (aretana)" , "pim@ietf.org" , "draft-ietf-pals-vpls-pim-snooping@ietf.org" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [pim] FW: Last Call: (Protocol Independent Multicast (PIM) over Virtual Private LAN Service (VPLS)) to Informational RFC X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Jun 2017 17:51:59 -0000 Hi I think it would be sufficient to say that if an implementation acts as a proxy, it will need to perform conflict resolution per RFC 5384. It may be worth pointing out that it should be done per upstream N though. I don't think it would be an issue for a relay, but I'm not entirely sure. I would suggest replacing "RPF vector" with "Join attributes". Any attributes present should be copied, not just the RPF vector one. Stig On Fri, Jun 2, 2017 at 12:24 AM, Olivier Dornon wrote: > Hi Stig, > > Thanks for the review. > > The minor comments have already been handled in an updated version, which= I > haven't uploaded yet. > > As for the conflict resolution, you have a good point. > Would it be acceptable to scope it out of the draft, and refer to the > concerned RFC's? > > Thanks, > Olivier. > > > On 06/01/2017 02:08 AM, Stig Venaas wrote: >> >> Hi >> >> I've read through the draft and it looks pretty good. I only have one >> technical concern. >> >> The document tries to handle RPF Vector, if so, how about supporting >> join attributes in general? For RPF Vector it seems to assume that >> there are no conflicts. Whenever a join with an RPF vector is >> received, that is stored. And when a join is sent, the stored value is >> used. But if you do proxying, then you need to do conflict resolution >> as specified in RPF vector and Join Attribute RFCs. Else you may not >> choose the correct value, and the value may also fluctuate. You may >> have to do this separately for each N. >> >> Otherwise I just have the minor comments below. >> >> Section 1: >> While this document is in the context of VPLS, the procedures apply >> to regular layer-2 switches interconnected by physical connections a= s >> 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. >> >> Not sure what "that's all" refers to. All is applicable except the PW >> related concept/procedures? >> >> Should refer to new PIM-SM RFC. And this paragraph can be updated: >> 2.3.3. PIM-SM (*,*,RP) >> >> This document does not address (*,*,RP) states in the VPLS network. >> Although [PIM-SM] specifies that routers must support (*,*,RP) >> states, there are very few implementations that actually support it >> in actual deployments, and it is being removed from the PIM protocol >> in its ongoing advancement process in IETF. Given that, this >> document omits the specification relating to (*,*,RP) support. >> >> In 2.7 PIM- BIDIR should be BIDIR-PIM >> >> Regards, >> Stig >> >> >> On Fri, May 26, 2017 at 2:19 PM, Stig Venaas wrote: >>> >>> Dear pim WG, it would be great if some of you could help read this >>> draft and provide feedback. This is not a pim WG draft, but most of >>> the content is about pim snooping. It is already with the IESG and if >>> you have any feedback, please reply to this email by Monday June 5th. >>> Alvaro and the authors are copied. >>> >>> I am also reading it myself. >>> >>> Thanks, >>> Stig >>> >>> >>> On Fri, May 5, 2017 at 12:07 PM, Alvaro Retana (aretana) >>> wrote: >>>> >>>> Pim WG: >>>> >>>> Hi! >>>> >>>> Please take a look at this draft. I=E2=80=99ve cc=E2=80=99d the autho= rs in case oyu >>>> have some comments. >>>> >>>> Thanks! >>>> >>>> Alvaro. >>>> >>>> On 5/5/17, 11:34 AM, "IETF-Announce on behalf of The IESG" >>>> = wrote: >>>> >>>> >>>> The IESG has received a request from the Pseudowire And LDP-enabled >>>> Services WG (pals) to consider the following document: >>>> - 'Protocol Independent Multicast (PIM) over Virtual Private LAN Servi= ce >>>> (VPLS)' >>>> as Informational RFC >>>> >>>> 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 2017-05-19. 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 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 whi= ch >>>> there are interested Protocol Independent Multicast (PIM) routers >>>> and/or Internet Group Management Protocol (IGMP) hosts) via Protoc= ol >>>> Independent Multicast (PIM) snooping and proxying. >>>> >>>> With PIM snooping, PEs passively listen to certain PIM control >>>> messages to build control and forwarding states while transparentl= y >>>> 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 ligh= t- >>>> weight proxying, where all downstream Join/Prune messages are simp= ly >>>> forwarded out of certain ports but not flooded to avoid triggering >>>> PIM Join suppression on CE devices. >>>> >>>> >>>> >>>> >>>> >>>> The file can be obtained via >>>> https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/ >>>> >>>> IESG discussion can be tracked via >>>> >>>> https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/bal= lot/ >>>> >>>> The following IPR Declarations may be related to this I-D: >>>> >>>> https://datatracker.ietf.org/ipr/2366/ >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> pim mailing list >>>> pim@ietf.org >>>> https://www.ietf.org/mailman/listinfo/pim > > From nobody Tue Jun 6 14:21:47 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5963812940F; Tue, 6 Jun 2017 14:21:44 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.523 X-Spam-Level: X-Spam-Status: No, score=-14.523 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VQu-12Hyugcc; Tue, 6 Jun 2017 14:21:42 -0700 (PDT) Received: from alln-iport-4.cisco.com 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Dornon CC: "pim@ietf.org" , "draft-ietf-pals-vpls-pim-snooping@ietf.org" Thread-Topic: [pim] FW: Last Call: (Protocol Independent Multicast (PIM) over Virtual Private LAN Service (VPLS)) to Informational RFC Thread-Index: AQHSxbU1IhFRyazs+EOyhEUF9uBE8qHmKwEAgCFpBgCACcMju4AFuhSAgAGJ4IA= Date: Tue, 6 Jun 2017 21:21:39 +0000 Message-ID: References: <149399847394.8410.10673558056567134419.idtracker@ietfa.amsl.com> <3D1ADEBB-5845-477E-A07B-D49EA28AB6C7@cisco.com> <593112A6.2040709@nokia.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.20.0.170309 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.117.15.4] Content-Type: text/plain; charset="utf-8" Content-ID: <18F725609E5D364ABC6DE39403859380@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [pim] FW: Last Call: (Protocol Independent Multicast 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Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Protocols for IP Multicast of the IETF. Title : PIM DR Improvement Authors : Zheng Zhang (Sandy) Fangwei Hu BenChong Xu Mankamana Prasad Mishra Filename : draft-ietf-pim-dr-improvement-03.txt Pages : 11 Date : 2017-06-06 Abstract: PIM is widely deployed multicast protocol. PIM protocol is defined in [RFC4601] and [RFC7761]. As deployment for PIM protocol growing day by day, user expect least traffic loss and fast convergence in case of any network failure. This document provides extension to existing defined protocol which would improve stability of PIM protocol with respect to traffic loss and convergence time when the PIM DR is down. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pim-dr-improvement/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pim-dr-improvement-03 https://datatracker.ietf.org/doc/html/draft-ietf-pim-dr-improvement-03 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pim-dr-improvement-03 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Jun 12 11:40:01 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 54026129530 for ; Mon, 12 Jun 2017 11:40:00 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=venaas-com.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Odnr7MdPCQcc for ; Mon, 12 Jun 2017 11:39:58 -0700 (PDT) Received: from mail-qt0-x22e.google.com (mail-qt0-x22e.google.com [IPv6:2607:f8b0:400d:c0d::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id F009E126E3A for ; Mon, 12 Jun 2017 11:39:57 -0700 (PDT) Received: by mail-qt0-x22e.google.com with SMTP id c10so137561137qtd.1 for ; Mon, 12 Jun 2017 11:39:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=venaas-com.20150623.gappssmtp.com; s=20150623; h=mime-version:from:date:message-id:subject:to; bh=4p8YYeaQcMIga0zHXh4Ums7j8DwDcR+UmQWhHhWZzcA=; b=kuEtKaNO28FYGa6ycvRyZvnsYj2T6kGzGIlOQmW7gRK14BGqQtBIltRnsnxM2WosiN 5c0Rc+ckKHM92ASrZUCLs2W/26K4JQWE3UHlOASmaBP6YBwttVHXk7UyCVaNZIEKMQ2Y aeDM6IF4kqLkpiKDXwzRlhAJKC8rekLIwmenHcjLByMghhkg+/hDnlLUrxtc3+rC8b3h 7PAcBUlmwBMgPhW5oyTFr0ozx26HnTyX1JR3pZg91wcpK6MPmTQVXO4ciU+PLhUTB6rZ QKG7Mks3eR9TT7Jr8GNpX0fFGFNP8Gvevxmd/DmfhNhtzgdHedAbSjWTlyS3fPHiz9D6 kp3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=4p8YYeaQcMIga0zHXh4Ums7j8DwDcR+UmQWhHhWZzcA=; b=ND90lqlN1f8i25uYzLBswpagLlDvw8AkLkDbb4Fd3ZnX5KBwbJpaPYQLhFCivjmWxV J1Q2OkRJ4l8ok18GRfrjSpvo2smWQ9LO5bMWNu916Gc6JtKMqr3MqQE0FxTS1n0a5ubo drOgnb/yCTjdmqVeviRO1S+0sA6yGKaOnrkNNuY0NGVCoLumsCUBnP+0N8Q+HpzCBI5U 3fJdaHwnn5b9pxpXvkFD/6PLt5YsCuJKsdVW8BZOD+fle5/9XHiPIKtcG77jLcbA08pP yQREcV7XQGeI/EyNpfR/Btwh3FBtV5AdLh1dO1D+qQTRvB3dSwNVDcoj7h8/Gxk0yR06 DAbA== X-Gm-Message-State: AKS2vOxQVhU4snA6pkx2JUHaJjo5PrtNz6U/VvzfdFPc+4yRVVES8DUE 3PQZvsbu+FhPCpni/zJJ10ceeFNWPX92 X-Received: by 10.55.169.206 with SMTP id s197mr2246602qke.115.1497292797039; Mon, 12 Jun 2017 11:39:57 -0700 (PDT) MIME-Version: 1.0 Received: by 10.140.25.144 with HTTP; Mon, 12 Jun 2017 11:39:56 -0700 (PDT) From: Stig Venaas Date: Mon, 12 Jun 2017 11:39:56 -0700 Message-ID: To: draft-ietf-pim-igmp-mld-yang@ietf.org, "pim@ietf.org" Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: [pim] Review of draft-ietf-pim-igmp-mld-yang-03 X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Jun 2017 18:40:00 -0000 Hi I reviewed this draft to see if I think it is ready for WGLC. I found some issues that might be good to resolve first. Would you be able to address my comments and publish a new revision soon? Some of my comments are just questions, but I'm sure at least some changes are needed. Many places you have a reference where there is no spacing in front of the "[". E.g. "IGMPv2[RFC2236]". Please write it as "IGMPv2 [RFC2236]". Among other things, it means that symlinks will work for the HTML version. Section 1: This document defines a draft YANG data model that can be used to configure and manage Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) devices. Currently this model is incomplete, but it will support the core IGMP and MLD protocols, as well as many other features mentioned in separate IGMP and MLD RFCs. Non-core features are defined as optional in the provided data model. Should it still say that it is a draft and that this model is incomplete? If so, say something about this model is incomplete rather than using the term "currently". Section 2.1: The representation of some of extension features is not specified in this draft of the data model. This model is being circulated in its current form for early oversight and review of the basic hierarchy. You should rewrite some of this now that it might be published as an RFC. Maybe "not specified in this document"? Also the second sentence doesn't make sense any longer. In the next paragraph you use the term "rpcs". Should it be lower case? Maybe it should say "RPC definitions", "rpc definitions" or something? Section 2.2 Also here and other places you probably want to replace the word "draft" with e.g. "document". Section 2.3 I think you should write "the ipv4(IGMP)and ipv6(MLD)address" as "the IPv4 (IGMP) and IPv6 (MLD) address". Section 3.1: Interface-global: IGMP or MLD configuration attributes applicable to all interfaces IGMP MLD configuration attributes applied to interfaces whose interface level attributes are not existing, with same attributes' value for those I'm having a hard time parsing this text. Can you try to rewrite it? Similar problem with the corresponding sentence in 3.2. Further down in this section it says "Our current direction is to agree to". You probably should rewrite that. Section 4: revision 2017-03-13 { description "Initial revision."; Should it say that it is the initial revision? It might be good to have some text describing the concept with basic and extended intervals. You've done that many places. In the description it just says "different value range", which is not that clear. I have a question about this one in particular leaf last-member-query-interval-basic { type uint16 { range "1..65535"; } units seconds; default 1; description "Last Member Query Interval, which may be tuned to modify the leave latency of the network."; reference "RFC3376. Sec. 8.8."; } leaf last-member-query-interval-extended { if-feature intf-last-member-query-interval-extended; type uint16; units seconds; default 1; description "Last Member Query Interval, which may be tuned to modify the leave latency of the network."; reference "RFC3376. Sec. 8.8."; } } Here it seems both the basic and the extended range use uint16, so they both are the same range (max 65535)? Do you need both basic and extended here? Is it because vendors cannot specify a custom range if range is already defined? Same question for query-max-response-time, basic and extended. leaf query-interval-basic { type uint16 { range "1..31744"; } } Are there implementations that only support up to 31744? leaf robustness-variable-basic { type uint8 { range "2..7"; } There are vendors that allow larger than 2, but not 1? In the description of group policy for ssm-map it says: description "Name of the access policy used to filter IGMP membership.A device MAY restrict the length and value of this name, possibly space and special characters are not allowed."; I don't think it is appropriate to use normative language in the descriptions. But I may be wrong. Please add a space after the ".". The grouping interface-config-attributes-igmp-mld is for both IGMP and MLD, but the leaf descriptions only mention IGMP. Similar to the above description, you probably should not use "MAY", and a missing space after ".". Please look for this other placs too. E.g. the mld interface config grouping. The "version" leaf accepts versions 1-3, the description says IGMP, and references IGMP RFCs. But I think you use this for MLD as well. Would you need to somehow prevent version 3 for MLD? In many descriptions it says: "List of host address that joined the multicast group"; Should say "host addresses". Or maybe "hosts". or maybe "List of addresses of hosts that joined the multicast group". Makes this plural. leaf host-count { type uint32; description "The number of host address."; } leaf up-time { type uint32; units seconds; description "The time after the device created multicast group record."; } Perhaps it would be better to say "Elapsed time since"? The same for some other places where it says "time after". A couple of places for "expire" leaf the description is: "The time left before multicast group timeout."; Perhaps it would be better to say "group expires". Or "group times out"? Or maybe "group state expires"? I have a question about "rpc clear-igmp-groups" and the same for MLD. It says: rpc clear-igmp-groups { if-feature rpc-clear-groups; description "Clears the specified IGMP cache tables."; and also: leaf group { type inet:ipv4-address; description "Multicast group IPv4 address. If it is not specified, all IGMP group tables are cleared."; } leaf source { type inet:ipv4-address; description "Multicast source IPv4 address. If it is not specified, all IGMP source-group tables are cleared."; } Shouldn't it say "entries" instead of "tables"? Stig From nobody Tue Jun 13 00:31:25 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 24518128961; Tue, 13 Jun 2017 00:31:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.921 X-Spam-Level: X-Spam-Status: No, score=-1.921 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=nokia.onmicrosoft.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yd2phV4fvYdD; Tue, 13 Jun 2017 00:31:19 -0700 (PDT) Received: from EUR03-DB5-obe.outbound.protection.outlook.com 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7:KB7lTRLVCsrAJM/bswXIyxW8AKSb/hzs0FNLytutxtCHGBZhZBFoTNNZomfs4v7v2uYd6IxlEgQ70IAudPJFik5VaQH3XDUOB8bTSmsAPZ1J7bLGyWECpeJZGxhaBwJes8+ym6/PVxqrf37D3mCn+lmgi29Vuep00AZ3LzDhHYMZ30lIRUc0S6Yk6TYTCF6RuZPqQTSK6D/CWBQeAAZa+8XFs676k+y5OqTtV6A1WjzKUivL4ZrE+z87NBNiFz/KsKtwgGLmYMA/XFwycmzElOW/OOvAtw37kZm48esmR8AZTGfveS1E3TSwgtL4LXK/jjcGrK582Y+cpRZNzoXxAg== X-OriginatorOrg: nokia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Jun 2017 07:31:14.4286 (UTC) X-MS-Exchange-CrossTenant-Id: 5d471751-9675-428d-917b-70f44f9630b0 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=5d471751-9675-428d-917b-70f44f9630b0; Ip=[135.245.241.12]; Helo=[fr711usmtp1-o.zeu.alcatel-lucent.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR07MB026 Archived-At: Subject: Re: [pim] FW: Last Call: (Protocol Independent Multicast (PIM) over Virtual Private LAN Service (VPLS)) to Informational RFC X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Jun 2017 07:31:23 -0000 Stig, How about this for the description : "JoinAttributeTlvs(*,G): Join Attributes RFC 5384 [JOIN-ATTR] are TLVs that may be present in received Join(*,G) messages, an example would be RPF Vectors RFC 5496 [RPF-VECTOR]. If present, they must be copied to JoinAttributeTlvs(*,G)." and this in section 2.6.3 and similar in 2.6.4 : "<...> then copy them into JoinAttributeTlvs(*,G). In case of conflicting attributes the PE will need to perform conflict resolution per (N) as described in RFC 5384 [JOIN-ATTR]." Thanks, Olivier. On 06/05/2017 07:51 PM, Stig Venaas wrote: > Hi > > I think it would be sufficient to say that if an implementation acts > as a proxy, it will need to perform conflict resolution per RFC 5384. > It may be worth pointing out that it should be done per upstream N > though. > > I don't think it would be an issue for a relay, but I'm not entirely sure. > > I would suggest replacing "RPF vector" with "Join attributes". Any > attributes present should be copied, not just the RPF vector one. > > Stig > > > On Fri, Jun 2, 2017 at 12:24 AM, Olivier Dornon > wrote: >> Hi Stig, >> >> Thanks for the review. >> >> The minor comments have already been handled in an updated version, which I >> haven't uploaded yet. >> >> As for the conflict resolution, you have a good point. >> Would it be acceptable to scope it out of the draft, and refer to the >> concerned RFC's? >> >> Thanks, >> Olivier. >> >> >> On 06/01/2017 02:08 AM, Stig Venaas wrote: >>> Hi >>> >>> I've read through the draft and it looks pretty good. I only have one >>> technical concern. >>> >>> The document tries to handle RPF Vector, if so, how about supporting >>> join attributes in general? For RPF Vector it seems to assume that >>> there are no conflicts. Whenever a join with an RPF vector is >>> received, that is stored. And when a join is sent, the stored value is >>> used. But if you do proxying, then you need to do conflict resolution >>> as specified in RPF vector and Join Attribute RFCs. Else you may not >>> choose the correct value, and the value may also fluctuate. You may >>> have to do this separately for each N. >>> >>> Otherwise I just have the minor comments below. >>> >>> Section 1: >>> 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. >>> >>> Not sure what "that's all" refers to. All is applicable except the PW >>> related concept/procedures? >>> >>> Should refer to new PIM-SM RFC. And this paragraph can be updated: >>> 2.3.3. PIM-SM (*,*,RP) >>> >>> This document does not address (*,*,RP) states in the VPLS network. >>> Although [PIM-SM] specifies that routers must support (*,*,RP) >>> states, there are very few implementations that actually support it >>> in actual deployments, and it is being removed from the PIM protocol >>> in its ongoing advancement process in IETF. Given that, this >>> document omits the specification relating to (*,*,RP) support. >>> >>> In 2.7 PIM- BIDIR should be BIDIR-PIM >>> >>> Regards, >>> Stig >>> >>> >>> On Fri, May 26, 2017 at 2:19 PM, Stig Venaas wrote: >>>> Dear pim WG, it would be great if some of you could help read this >>>> draft and provide feedback. This is not a pim WG draft, but most of >>>> the content is about pim snooping. It is already with the IESG and if >>>> you have any feedback, please reply to this email by Monday June 5th. >>>> Alvaro and the authors are copied. >>>> >>>> I am also reading it myself. >>>> >>>> Thanks, >>>> Stig >>>> >>>> >>>> On Fri, May 5, 2017 at 12:07 PM, Alvaro Retana (aretana) >>>> wrote: >>>>> Pim WG: >>>>> >>>>> Hi! >>>>> >>>>> Please take a look at this draft. I’ve cc’d the authors in case oyu >>>>> have some comments. >>>>> >>>>> Thanks! >>>>> >>>>> Alvaro. >>>>> >>>>> On 5/5/17, 11:34 AM, "IETF-Announce on behalf of The IESG" >>>>> wrote: >>>>> >>>>> >>>>> The IESG has received a request from the Pseudowire And LDP-enabled >>>>> Services WG (pals) to consider the following document: >>>>> - 'Protocol Independent Multicast (PIM) over Virtual Private LAN Service >>>>> (VPLS)' >>>>> as Informational RFC >>>>> >>>>> 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 2017-05-19. 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 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 file can be obtained via >>>>> https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/ >>>>> >>>>> IESG discussion can be tracked via >>>>> >>>>> https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/ballot/ >>>>> >>>>> The following IPR Declarations may be related to this I-D: >>>>> >>>>> https://datatracker.ietf.org/ipr/2366/ >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> pim mailing list >>>>> pim@ietf.org >>>>> https://www.ietf.org/mailman/listinfo/pim >> From nobody Tue Jun 13 09:20:40 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 55D0D12EB26 for ; Tue, 13 Jun 2017 09:20:38 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=venaas-com.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1D7r91fnozcv for ; Tue, 13 Jun 2017 09:20:35 -0700 (PDT) Received: from mail-qt0-x234.google.com (mail-qt0-x234.google.com [IPv6:2607:f8b0:400d:c0d::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9AEE71318E2 for ; Tue, 13 Jun 2017 09:13:06 -0700 (PDT) Received: by mail-qt0-x234.google.com with SMTP id u12so178418495qth.0 for ; 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Tue, 13 Jun 2017 09:13:05 -0700 (PDT) MIME-Version: 1.0 Received: by 10.140.25.144 with HTTP; Tue, 13 Jun 2017 09:13:04 -0700 (PDT) In-Reply-To: <593F94BC.5010905@nokia.com> References: <149399847394.8410.10673558056567134419.idtracker@ietfa.amsl.com> <3D1ADEBB-5845-477E-A07B-D49EA28AB6C7@cisco.com> <593112A6.2040709@nokia.com> <593F94BC.5010905@nokia.com> From: Stig Venaas Date: Tue, 13 Jun 2017 09:13:04 -0700 Message-ID: To: Olivier Dornon Cc: "Alvaro Retana (aretana)" , "pim@ietf.org" , "draft-ietf-pals-vpls-pim-snooping@ietf.org" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [pim] FW: Last Call: (Protocol Independent Multicast (PIM) over Virtual Private LAN Service (VPLS)) to Informational RFC X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Jun 2017 16:20:38 -0000 Looks good to me, Stig On Tue, Jun 13, 2017 at 12:31 AM, Olivier Dornon wrote: > Stig, > > How about this for the description : > > "JoinAttributeTlvs(*,G): Join Attributes RFC 5384 [JOIN-ATTR] are TLVs > that may be present in received Join(*,G) messages, an example would > be RPF Vectors RFC 5496 [RPF-VECTOR]. If present, they must be > copied to JoinAttributeTlvs(*,G)." > > and this in section 2.6.3 and similar in 2.6.4 : > > "<...> then copy them into JoinAttributeTlvs(*,G). In case of conflicti= ng > attributes the PE will need to perform conflict resolution per (N) as > described in RFC 5384 [JOIN-ATTR]." > > Thanks, > Olivier. > > > > On 06/05/2017 07:51 PM, Stig Venaas wrote: >> >> Hi >> >> I think it would be sufficient to say that if an implementation acts >> as a proxy, it will need to perform conflict resolution per RFC 5384. >> It may be worth pointing out that it should be done per upstream N >> though. >> >> I don't think it would be an issue for a relay, but I'm not entirely sur= e. >> >> I would suggest replacing "RPF vector" with "Join attributes". Any >> attributes present should be copied, not just the RPF vector one. >> >> Stig >> >> >> On Fri, Jun 2, 2017 at 12:24 AM, Olivier Dornon >> wrote: >>> >>> Hi Stig, >>> >>> Thanks for the review. >>> >>> The minor comments have already been handled in an updated version, whi= ch >>> I >>> haven't uploaded yet. >>> >>> As for the conflict resolution, you have a good point. >>> Would it be acceptable to scope it out of the draft, and refer to the >>> concerned RFC's? >>> >>> Thanks, >>> Olivier. >>> >>> >>> On 06/01/2017 02:08 AM, Stig Venaas wrote: >>>> >>>> Hi >>>> >>>> I've read through the draft and it looks pretty good. I only have one >>>> technical concern. >>>> >>>> The document tries to handle RPF Vector, if so, how about supporting >>>> join attributes in general? For RPF Vector it seems to assume that >>>> there are no conflicts. Whenever a join with an RPF vector is >>>> received, that is stored. And when a join is sent, the stored value is >>>> used. But if you do proxying, then you need to do conflict resolution >>>> as specified in RPF vector and Join Attribute RFCs. Else you may not >>>> choose the correct value, and the value may also fluctuate. You may >>>> have to do this separately for each N. >>>> >>>> Otherwise I just have the minor comments below. >>>> >>>> Section 1: >>>> While this document is in the context of VPLS, the procedures app= ly >>>> to regular layer-2 switches interconnected by physical connection= s >>>> 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. >>>> >>>> Not sure what "that's all" refers to. All is applicable except the PW >>>> related concept/procedures? >>>> >>>> Should refer to new PIM-SM RFC. And this paragraph can be updated: >>>> 2.3.3. PIM-SM (*,*,RP) >>>> >>>> This document does not address (*,*,RP) states in the VPLS networ= k. >>>> Although [PIM-SM] specifies that routers must support (*,*,RP) >>>> states, there are very few implementations that actually support = it >>>> in actual deployments, and it is being removed from the PIM >>>> protocol >>>> in its ongoing advancement process in IETF. Given that, this >>>> document omits the specification relating to (*,*,RP) support. >>>> >>>> In 2.7 PIM- BIDIR should be BIDIR-PIM >>>> >>>> Regards, >>>> Stig >>>> >>>> >>>> On Fri, May 26, 2017 at 2:19 PM, Stig Venaas wrote: >>>>> >>>>> Dear pim WG, it would be great if some of you could help read this >>>>> draft and provide feedback. This is not a pim WG draft, but most of >>>>> the content is about pim snooping. It is already with the IESG and if >>>>> you have any feedback, please reply to this email by Monday June 5th. >>>>> Alvaro and the authors are copied. >>>>> >>>>> I am also reading it myself. >>>>> >>>>> Thanks, >>>>> Stig >>>>> >>>>> >>>>> On Fri, May 5, 2017 at 12:07 PM, Alvaro Retana (aretana) >>>>> wrote: >>>>>> >>>>>> Pim WG: >>>>>> >>>>>> Hi! >>>>>> >>>>>> Please take a look at this draft. I=E2=80=99ve cc=E2=80=99d the aut= hors in case oyu >>>>>> have some comments. >>>>>> >>>>>> Thanks! >>>>>> >>>>>> Alvaro. >>>>>> >>>>>> On 5/5/17, 11:34 AM, "IETF-Announce on behalf of The IESG" >>>>>> >>>>>> wrote: >>>>>> >>>>>> >>>>>> The IESG has received a request from the Pseudowire And LDP-enabled >>>>>> Services WG (pals) to consider the following document: >>>>>> - 'Protocol Independent Multicast (PIM) over Virtual Private LAN >>>>>> Service >>>>>> (VPLS)' >>>>>> as Informational RFC >>>>>> >>>>>> The IESG plans to make a decision in the next few weeks, and solicit= s >>>>>> final comments on this action. Please send substantive comments to t= he >>>>>> ietf@ietf.org mailing lists by 2017-05-19. Exceptionally, comments m= ay >>>>>> 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 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) route= rs >>>>>> 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 (PE= s) >>>>>> do >>>>>> not flood PIM Join/Prune messages but only generate their own a= nd >>>>>> send out of certain ports, based on the control states built fr= om >>>>>> 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 file can be obtained via >>>>>> https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/ >>>>>> >>>>>> IESG discussion can be tracked via >>>>>> >>>>>> >>>>>> https://datatracker.ietf.org/doc/draft-ietf-pals-vpls-pim-snooping/b= allot/ >>>>>> >>>>>> The following IPR Declarations may be related to this I-D: >>>>>> >>>>>> https://datatracker.ietf.org/ipr/2366/ >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> pim mailing list >>>>>> pim@ietf.org >>>>>> https://www.ietf.org/mailman/listinfo/pim >>> >>> > From nobody Tue Jun 13 11:44:07 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5277012944C for ; Tue, 13 Jun 2017 11:44:06 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.22 X-Spam-Level: X-Spam-Status: No, score=-4.22 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FvSWubXvA-zc for ; Tue, 13 Jun 2017 11:44:04 -0700 (PDT) Received: from lhrrgout.huawei.com 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RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bqWI8NdzY78Z; Wed, 14 Jun 2017 15:01:19 -0700 (PDT) Received: from mail-qt0-x231.google.com (mail-qt0-x231.google.com [IPv6:2607:f8b0:400d:c0d::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9A3541242F7; Wed, 14 Jun 2017 15:01:19 -0700 (PDT) Received: by mail-qt0-x231.google.com with SMTP id c10so17948176qtd.1; Wed, 14 Jun 2017 15:01:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:reply-to:from:date:message-id:subject:to; bh=CBehlhbnnENtzlkxDKKTo4uGhRyxM54kd2jsYrimXKE=; b=MXhXvN27yVTvYRELw09UQ7ORn11zo6k/lX2j9Qa9rQaMzTG7bZIsiXsJFt/hDBkgDT 6o1TK5sDIyS09xedHrJN4NK7O+eQbbiX2rJr3x+ASyx6U6PXtxzL/m5J+TAvDTUvT8e9 eLUCyl8+ffPse9DRp7uMgnjBmUqBNfLRijQmbXkz0Fls8H7RbfghLKUeW9fDUmUamThh g39YmR/CZrFniAj9EPSCeMBM0rtO0sQ8P1bNXjnAvy6eYUGu/qI0F4bNayMNsDF5IRyr tnYs3WNDI4Z/h3IjP7sPmdE9ojkYzlvD/BbC+0lQaMBQ08ClUY2yAaIL0tth8JSzYuxa YV9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:reply-to:from:date:message-id :subject:to; bh=CBehlhbnnENtzlkxDKKTo4uGhRyxM54kd2jsYrimXKE=; b=HWrakR0MUa8yrCqQGnBzvSVoZJkBUFgm5JEBhKSHw4CC04kshM7UcdO6fPPcezAFge /BSDm6qD9Y8FrjLFoMl6bxcK1fmighZr+5QxJNxpmdB/Ns/R+2Sq0tktPhx5z58OKkRm 1yMsubfqZkq4yKPHqNCe6U73D4UewW6bzTJjLgq211vHtiM6eDBmv53ur37dQde9atqs jmKsuJSiBeDrWHQMxr4yWH16ZkxIOb6iTmOoVuyy+K0md65hR2/8/xiZG9eCwW40jhQT sj2FKzWA/YmMI/gJYDt4k7ow6UWpmz0UPy7h/mWSYGV2PkBpdchKOU10FNrWx9NhzRbC m2zw== X-Gm-Message-State: AKS2vOxwtrzlAus7umaalGjvSJza4L8Er6H7HlHd8Ev6eoXLlocHTwY9 I5uWQIW9XSvvZvfTjHpMdwbsM9W2bJme X-Received: by 10.237.41.7 with SMTP id s7mr2956208qtd.178.1497477678440; Wed, 14 Jun 2017 15:01:18 -0700 (PDT) MIME-Version: 1.0 Received: by 10.200.9.4 with HTTP; Wed, 14 Jun 2017 15:01:18 -0700 (PDT) Reply-To: gjshep@gmail.com From: Greg Shepherd Date: Wed, 14 Jun 2017 15:01:18 -0700 Message-ID: To: "bier@ietf.org" , bess@ietf.org, "pim@ietf.org" Content-Type: multipart/alternative; boundary="94eb2c06b00c1526210551f2b19f" Archived-At: Subject: [pim] WGLC: draft-ietf-bier-mvpn-05 X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Jun 2017 22:01:22 -0000 --94eb2c06b00c1526210551f2b19f Content-Type: text/plain; charset="UTF-8" BIER, BESS, PIM At BIER WG meeting, IETF97 in Chicago, we decided to move forward to WGLC for some of our docs. We learned that even once published the IESG has a process to change the track of the RFC if the WG makes the case to move the work from Informational to Standards track. The feedback from operators is that RFC status was more important than track, and we won't be able to meet our charter requirements to change track without deployment experience and operator support. This email starts a two week timer for feedback on the draft: https://datatracker.ietf.org/doc/draft-ietf-bier-mvpn WGLC to run in parallel in both BIER, BESS, and PIM WGs due to the scope of the work. Thanks, Greg (BIER Chairs) --94eb2c06b00c1526210551f2b19f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
BIER, = BESS, PIM
<= br>
At BIER WG m= eeting, IETF97 in Chicago, we decided to move forward to=C2=A0WGLC=C2=A0for some of our docs. We learned that even once published the IES= G has a process to change the track of the RFC if the WG makes the case to = move the work from Informational to Standards track. The feedback from oper= ators is that RFC status was more important than track, and we won't be= able to meet our charter requirements to change track without deployment e= xperience and operator support.

This email starts a two week timer for feedbac= k on the draft:

WGLC to run in parallel in both BIER, BES= S, and PIM WGs due to the scope of the work.

Thank= s,
Greg
(BIER Chairs)
--94eb2c06b00c1526210551f2b19f-- From nobody Mon Jun 19 14:47:54 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 75C401294E2 for ; Mon, 19 Jun 2017 14:47:53 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=venaas-com.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rG5Sr-GU_1hV for ; Mon, 19 Jun 2017 14:47:51 -0700 (PDT) Received: from mail-qt0-x22b.google.com (mail-qt0-x22b.google.com [IPv6:2607:f8b0:400d:c0d::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5AAE7129442 for ; Mon, 19 Jun 2017 14:47:51 -0700 (PDT) Received: by mail-qt0-x22b.google.com with SMTP id u12so120982333qth.0 for ; Mon, 19 Jun 2017 14:47:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=venaas-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=HHn6LNS17e/ZVbPk/VaaDqPWm3sNcTaEGKFlBTeLNLU=; b=x03VUS2uz1RDTCcDdTN/DPWAHvB0p/Mml0YKzSSkHGZEFIAdQMsVglTrFWfcRUwAvY ji38opBoLCo1wyqufqU6m54k2A9IR7nKs/m9SNJjWAjUbSi6U1yo5IplzdjCzQ79Ybek OBhcQ/GfAEToAmP3+hmR3hP1+BdrPkh9IOFGRA6lPz0yX7S6zex57liOWr8ppbLYxjGh HEnrX5fo4BC5cHyrqZ0QSgk7meYqnGM9XdNywKkupW+GiXE/ByYeqErS9ceW+d6FED0r UuAfvQJZhQ2AcJo8i1YdayE1iHXahV06BCCUqG5fL0s5f0R7Il+papWMvvJX7jQYCuDG Oh9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=HHn6LNS17e/ZVbPk/VaaDqPWm3sNcTaEGKFlBTeLNLU=; b=i5F6/gY5JrntTvFSipFDDZjBTyDF74KnmDmFX2DpN390sqbbv/Fy8RBQxBU/Yb/w2N MxC2uGIwBLsfc2TXmCnDo0zqG+lH56WDqLc6fqmIy4gzCb0rL+0t5Bv9qh1Vx4mUbSxb wpKPkDr1Ols9wrDDho4Ji/5d2s/Nd5jC3N7Q+4YjtLROVaAyU0yGXbdzufRqdCsBfSTg l035TTqoyMZ17XpoHzs35eJtlbP0It1j9VIdfYxVFBMwZRGXS71VphRMC3KcYOpgDJsL f1D28j89IlV15MkI3AGEdJoCp6CPF00i2JJ3oCGsoL26142oS9s0wadcwAq45XE/wCtK KEbw== X-Gm-Message-State: AKS2vOywcWRSCRocw7O2N8roF2SUhdJfqCiDB7TCw7rqSWDeFqxWhkf5 /o9JjsuZxE5LUXVHcQniad9OPh1C9Vz/ X-Received: by 10.237.63.36 with SMTP id p33mr30096336qtf.81.1497908870497; Mon, 19 Jun 2017 14:47:50 -0700 (PDT) MIME-Version: 1.0 Received: by 10.140.25.144 with HTTP; Mon, 19 Jun 2017 14:47:50 -0700 (PDT) In-Reply-To: References: From: Stig Venaas Date: Mon, 19 Jun 2017 14:47:50 -0700 Message-ID: To: Greg Shepherd Cc: "bier@ietf.org" , bess@ietf.org, "pim@ietf.org" Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [pim] [bess] WGLC: draft-ietf-bier-mvpn-05 X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Jun 2017 21:47:53 -0000 Hi I think this draft is mostly ready. I just have a couple of comments. In section 1: This revision of the document does not specify the procedures necessary to support MVPN customers that are using BIDIR-PIM. Those procedures will be added in a future revision. Remove this text? Section 2.1. MPLS Label Should one use different labels to distinguish address families in the same VRF? The PTA must be present in Leaf A-D routes so one can know the BIER prefix of the router joining. It might be obvious, but I think it is worth pointing it out. It is specified for IR (in RFC 7988 section 4.1.1 it says: "Leaf A-D route MUST also contain a PTA"... Stig On Wed, Jun 14, 2017 at 3:01 PM, Greg Shepherd wrote: > BIER, BESS, PIM > > At BIER WG meeting, IETF97 in Chicago, we decided to move forward to WGLC > for some of our docs. We learned that even once published the IESG has a > process to change the track of the RFC if the WG makes the case to move the > work from Informational to Standards track. The feedback from operators is > that RFC status was more important than track, and we won't be able to meet > our charter requirements to change track without deployment experience and > operator support. > > This email starts a two week timer for feedback on the draft: > https://datatracker.ietf.org/doc/draft-ietf-bier-mvpn > > WGLC to run in parallel in both BIER, BESS, and PIM WGs due to the scope of > the work. > > Thanks, > Greg > (BIER Chairs) > > _______________________________________________ > BESS mailing list > BESS@ietf.org > https://www.ietf.org/mailman/listinfo/bess > From nobody Wed Jun 21 08:43:28 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 65C4B12EBA2; Wed, 21 Jun 2017 08:43:09 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.022 X-Spam-Level: X-Spam-Status: No, score=-2.022 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=juniper.net Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IQ8PypRyxSpg; Wed, 21 Jun 2017 08:43:07 -0700 (PDT) Received: from NAM03-DM3-obe.outbound.protection.outlook.com (mail-dm3nam03on0134.outbound.protection.outlook.com [104.47.41.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D727412EBA1; Wed, 21 Jun 2017 08:39:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=juniper.net; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=meZ1n7seiCD6OB/SVV7Bv1LNfRs/MUxm/TL2DGmZSLA=; b=fk9d5irq8mTH6tTyEQxWwYjrIsQuYzz2SdXEWUWbpLiWubkV26wljOyy/LQ9VRjJtvirjW0uRaaI9/3TSry4UjfVlS7VOpM9cV4Mz30NZSIaybWciWjuFGnsyyg+lsA49BWTXuUOsFw+IQXbFqlFfF8zGStPORRuRPHKqvxU4jc= Authentication-Results: juniper.net; dkim=none (message not signed) header.d=none;juniper.net; 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I just have a couple of comments. > > In section 1: > This revision of the document does not specify the procedures > necessary to support MVPN customers that are using BIDIR-PIM. Those > procedures will be added in a future revision. > > Remove this text? We'll probably just change this to something like "Procedures to support MVPN customers that are using BIDIR-PIM are outside the scope of this document". > Section 2.1. MPLS Label > > Should one use different labels to distinguish address families in the same VRF? Nice catch. The customer's address family is identified by the AFI of the MCAST-VPN routes. There should be a requirement that a given router MUST NOT originate two x-PMSI A-D routes with different AFIs but with the same upstream-assigned label in their respective PTAs. > The PTA must be present in Leaf A-D routes so one can know the BIER > prefix of the router joining. It might be obvious, but I think it is > worth pointing it out. It is specified for IR (in RFC 7988 section > 4.1.1 it says: "Leaf A-D route MUST also contain a PTA"... For IR, the PTA is needed because each egress PE needs to advertise a downstream-assigned label. For BIER, I was thinking that the BFR-Prefix of the egress PE should appear in the "originating router's IP address" field of the Leaf A-D NLRI. However, it is probably better to allow the "originating router's IP address" to be different than the BFR-Prefix, and in that case to use the Leaf A-D route's PTA to specify the BFR-Prefix. From nobody Wed Jun 21 10:09:04 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2BCE7128D44; Wed, 21 Jun 2017 10:08:47 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -14.522 X-Spam-Level: X-Spam-Status: No, score=-14.522 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id olp9BZmwo1td; Wed, 21 Jun 2017 10:08:45 -0700 (PDT) Received: from rcdn-iport-2.cisco.com (rcdn-iport-2.cisco.com [173.37.86.73]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6E2A1128D8B; 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21 Jun 2017 17:08:40 +0000 Received: from XCH-ALN-016.cisco.com (xch-aln-016.cisco.com [173.36.7.26]) by alln-core-11.cisco.com (8.14.5/8.14.5) with ESMTP id v5LH8e22022958 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Wed, 21 Jun 2017 17:08:40 GMT Received: from xch-rcd-018.cisco.com (173.37.102.28) by XCH-ALN-016.cisco.com (173.36.7.26) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Wed, 21 Jun 2017 12:08:39 -0500 Received: from xch-rcd-018.cisco.com ([173.37.102.28]) by XCH-RCD-018.cisco.com ([173.37.102.28]) with mapi id 15.00.1210.000; Wed, 21 Jun 2017 12:08:39 -0500 From: "Mahesh Sivakumar (masivaku)" To: Eric C Rosen , Stig Venaas , "Greg Shepherd" CC: "bier@ietf.org" , "bess@ietf.org" , "pim@ietf.org" Thread-Topic: [Bier] [pim] [bess] WGLC: draft-ietf-bier-mvpn-05 Thread-Index: AQHS5VnHIn0kuMWFf0mxetPBKfBaUqItFIIAgAK90ID//6OAgA== Date: Wed, 21 Jun 2017 17:08:39 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.15.1.160411 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.154.160.15] Content-Type: text/plain; charset="utf-8" Content-ID: <1C6947801388F941980C126C7138D781@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [pim] [Bier] [bess] WGLC: draft-ietf-bier-mvpn-05 X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Jun 2017 17:08:47 -0000 SGkgRXJpYywNCg0KPj4gRm9yIEJJRVIsIEkgd2FzIHRoaW5raW5nIHRoYXQgdGhlIEJGUi1QcmVm aXggb2YgdGhlIGVncmVzcyBQRSBzaG91bGQNCj4+IGFwcGVhciBpbiB0aGUgIm9yaWdpbmF0aW5n IHJvdXRlcidzIElQIGFkZHJlc3MiIGZpZWxkIG9mIHRoZSBMZWFmIEEtRCANCj4+IE5MUkkuICBI b3dldmVyLCBpdCBpcyBwcm9iYWJseSBiZXR0ZXIgdG8gYWxsb3cgdGhlICJvcmlnaW5hdGluZyBy b3V0ZXIncyANCj4+IElQIGFkZHJlc3MiIHRvIGJlIGRpZmZlcmVudCB0aGFuIHRoZSBCRlItUHJl Zml4LCBhbmQgaW4gdGhhdCBjYXNlIHRvIHVzZSANCj4+IHRoZSBMZWFmIEEtRCByb3V0ZSdzIFBU QSB0byBzcGVjaWZ5IHRoZSBCRlItUHJlZml4Lg0KDQpJIHdhcyB0aGlua2luZyBhbG9uZyB0aGUg c2FtZSBsaW5lcyBzbyB0aGF0IHdlIGhhdmUgdGhlIGZsZXhpYmlsaXR5IG9uIHRoZQ0KSW5ncmVz cyBCRlIgdG8gdXNlIGVpdGhlciB0aGUgb3JpZ2luYXRpbmcgcm91dGVyIG9yIHRoZSBCRlIgcHJl Zml4IHdoaWxlDQp0cmFja2luZy4NCkJ1dCBkbyB5b3UgZW52aXNpb24gYSByZWFsIHVzZSBjYXNl IGF0IHRoZSBpbmdyZXNzIEJGSVIgZm9yIHVzaW5nIHRoZSBCRlIgcHJlZml4DQppbiB0aGUgUFRB IGdpdmVuIHRoYXQgdGhlIEJGSVIgY2FuIHVzZSB0aGUgb3JpZ2luYXRpbmcgcm91dGVyIElQIGFk ZHJlc3MgdG8NCm1hdGNoIHRoZSBhcHByb3ByaWF0ZSBTLVBNU0kgQS1EIHJvdXRlLg0KQWNjb3Jk aW5nbHksIHNob3VsZCB3ZSBtYWtlIHRoZSBCSUVSLXBmeCBpbiB0aGUgUFRBIG9wdGlvbmFsPw0K DQpUaGFua3MNCk1haGVzaA0KDQoNCg0KDQoNCk9uIDYvMjEvMTcsIDg6MzkgQU0sICJCSUVSIG9u IGJlaGFsZiBvZiBFcmljIEMgUm9zZW4iIDxiaWVyLWJvdW5jZXNAaWV0Zi5vcmcgb24gYmVoYWxm IG9mIGVyb3NlbkBqdW5pcGVyLm5ldD4gd3JvdGU6DQoNCj5TdGlnLCB0aGFua3MgZm9yIHlvdXIg Y29tbWVudHMuKw0KPg0KPk9uIDYvMTkvMjAxNyA1OjQ3IFBNLCBTdGlnIFZlbmFhcyB3cm90ZToN Cj4+IEhpDQo+Pg0KPj4gSSB0aGluayB0aGlzIGRyYWZ0IGlzIG1vc3RseSByZWFkeS4gSSBqdXN0 IGhhdmUgYSBjb3VwbGUgb2YgY29tbWVudHMuDQo+Pg0KPj4gSW4gc2VjdGlvbiAxOg0KPj4gICAg IFRoaXMgcmV2aXNpb24gb2YgdGhlIGRvY3VtZW50IGRvZXMgbm90IHNwZWNpZnkgdGhlIHByb2Nl ZHVyZXMNCj4+ICAgICBuZWNlc3NhcnkgdG8gc3VwcG9ydCBNVlBOIGN1c3RvbWVycyB0aGF0IGFy ZSB1c2luZyBCSURJUi1QSU0uICBUaG9zZQ0KPj4gICAgIHByb2NlZHVyZXMgd2lsbCBiZSBhZGRl ZCBpbiBhIGZ1dHVyZSByZXZpc2lvbi4NCj4+DQo+PiBSZW1vdmUgdGhpcyB0ZXh0Pw0KPg0KPldl J2xsIHByb2JhYmx5IGp1c3QgY2hhbmdlIHRoaXMgdG8gc29tZXRoaW5nIGxpa2UgIlByb2NlZHVy ZXMgdG8gc3VwcG9ydCANCj5NVlBOIGN1c3RvbWVycyB0aGF0IGFyZSB1c2luZyBCSURJUi1QSU0g YXJlIG91dHNpZGUgdGhlIHNjb3BlIG9mIHRoaXMgDQo+ZG9jdW1lbnQiLg0KPg0KPj4gU2VjdGlv biAyLjEuICBNUExTIExhYmVsDQo+Pg0KPj4gU2hvdWxkIG9uZSB1c2UgZGlmZmVyZW50IGxhYmVs cyB0byBkaXN0aW5ndWlzaCBhZGRyZXNzIGZhbWlsaWVzIGluIHRoZSBzYW1lIFZSRj8NCj4NCj5O aWNlIGNhdGNoLiAgVGhlIGN1c3RvbWVyJ3MgYWRkcmVzcyBmYW1pbHkgaXMgaWRlbnRpZmllZCBi eSB0aGUgQUZJIG9mIA0KPnRoZSBNQ0FTVC1WUE4gcm91dGVzLiAgVGhlcmUgc2hvdWxkIGJlIGEg cmVxdWlyZW1lbnQgdGhhdCBhIGdpdmVuIHJvdXRlciANCj5NVVNUIE5PVCBvcmlnaW5hdGUgdHdv IHgtUE1TSSBBLUQgcm91dGVzIHdpdGggZGlmZmVyZW50IEFGSXMgYnV0IHdpdGggDQo+dGhlIHNh bWUgdXBzdHJlYW0tYXNzaWduZWQgbGFiZWwgaW4gdGhlaXIgcmVzcGVjdGl2ZSBQVEFzLg0KPg0K Pj4gVGhlIFBUQSBtdXN0IGJlIHByZXNlbnQgaW4gTGVhZiBBLUQgcm91dGVzIHNvIG9uZSBjYW4g a25vdyB0aGUgQklFUg0KPj4gcHJlZml4IG9mIHRoZSByb3V0ZXIgam9pbmluZy4gSXQgbWlnaHQg YmUgb2J2aW91cywgYnV0IEkgdGhpbmsgaXQgaXMNCj4+IHdvcnRoIHBvaW50aW5nIGl0IG91dC4g SXQgaXMgc3BlY2lmaWVkIGZvciBJUiAoaW4gUkZDIDc5ODggc2VjdGlvbg0KPj4gNC4xLjEgaXQg c2F5czogIkxlYWYgQS1EIHJvdXRlIE1VU1QgYWxzbyBjb250YWluIGEgUFRBIi4uLg0KPg0KPkZv ciBJUiwgdGhlIFBUQSBpcyBuZWVkZWQgYmVjYXVzZSBlYWNoIGVncmVzcyBQRSBuZWVkcyB0byBh ZHZlcnRpc2UgYSANCj5kb3duc3RyZWFtLWFzc2lnbmVkIGxhYmVsLg0KPg0KPkZvciBCSUVSLCBJ IHdhcyB0aGlua2luZyB0aGF0IHRoZSBCRlItUHJlZml4IG9mIHRoZSBlZ3Jlc3MgUEUgc2hvdWxk IA0KPmFwcGVhciBpbiB0aGUgIm9yaWdpbmF0aW5nIHJvdXRlcidzIElQIGFkZHJlc3MiIGZpZWxk IG9mIHRoZSBMZWFmIEEtRCANCj5OTFJJLiAgSG93ZXZlciwgaXQgaXMgcHJvYmFibHkgYmV0dGVy IHRvIGFsbG93IHRoZSAib3JpZ2luYXRpbmcgcm91dGVyJ3MgDQo+SVAgYWRkcmVzcyIgdG8gYmUg ZGlmZmVyZW50IHRoYW4gdGhlIEJGUi1QcmVmaXgsIGFuZCBpbiB0aGF0IGNhc2UgdG8gdXNlIA0K PnRoZSBMZWFmIEEtRCByb3V0ZSdzIFBUQSB0byBzcGVjaWZ5IHRoZSBCRlItUHJlZml4Lg0KDQoN Cg0KPg0KPl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fDQo+ QklFUiBtYWlsaW5nIGxpc3QNCj5CSUVSQGlldGYub3JnDQo+aHR0cHM6Ly93d3cuaWV0Zi5vcmcv bWFpbG1hbi9saXN0aW5mby9iaWVyDQo= From nobody Wed Jun 21 11:22:49 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3025012943D; 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We may not need different label to identify AFI. We could have a rule saying that if MVPN payload packet is an IPv6 packet, then v6 explicit null must be pushed before the upstream-assigned label is pushed. But hen someone would claim that we're favoring v4 over v6, and the rule should be that if the MVPN payload is a v4 packet, v4 explicit null must be pushed before the upstream-assigned label is pushed. If we don't have one rule or the other, we risk multi-vendor interop problems. People will disagree about which rule is best, so someone will claim that we need a configuration item to say which payload type is the default and which requires explicit null. Then someone would say that we need to add to the signaling an indication of which payload type is the default and which requires explicit null. Then someone would say that the root cause of the problem is the lack of a protocol type field in MPLS, and we should fix the root cause instead of using explicit null. So although your observation is absolutely correct, I think it's simpler if we just use different upstream-assigned labels for the different AFIs. 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21 Jun 2017 20:15:16 +0000 Received: from XCH-ALN-014.cisco.com (xch-aln-014.cisco.com [173.36.7.24]) by rcdn-core-10.cisco.com (8.14.5/8.14.5) with ESMTP id v5LKFFU0023856 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Wed, 21 Jun 2017 20:15:16 GMT Received: from xch-rcd-012.cisco.com (173.37.102.22) by XCH-ALN-014.cisco.com (173.36.7.24) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Wed, 21 Jun 2017 15:15:15 -0500 Received: from xch-rcd-012.cisco.com ([173.37.102.22]) by XCH-RCD-012.cisco.com ([173.37.102.22]) with mapi id 15.00.1210.000; Wed, 21 Jun 2017 15:15:14 -0500 From: "Swadesh Agrawal (swaagraw)" To: Eric C Rosen , Stig Venaas , "Greg Shepherd" CC: "bier@ietf.org" , "bess@ietf.org" , "pim@ietf.org" Thread-Topic: [bess] [pim] WGLC: draft-ietf-bier-mvpn-05 Thread-Index: AQHS6sfxMwFeoJ4KnECB+RPTXGDFU6IvnxaA Date: Wed, 21 Jun 2017 20:15:14 +0000 Message-ID: References: <492F2A90-C3B0-437E-A0CA-420B7E89883C@cisco.com> <39643fa5-d3b3-f9dd-3f45-7d110e5cfbcf@juniper.net> In-Reply-To: <39643fa5-d3b3-f9dd-3f45-7d110e5cfbcf@juniper.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.22.0.170515 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.32.198.22] Content-Type: text/plain; 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So if the PTA of an x-PMSI A-D route specifies tunnel type "BIER", I think the simplest thing is to require that the BFR-Prefix be specified in the PTA. Similarly, the simplest way to ensure that the ingress PE knows the BFR-Prefix of an egress PE is to have the egress PE include a PTA in the Leaf A-D route, and require to PTA to specify "tunnel type" BIER, MPLS Label 0 (ignored), and the BFR-Prefix of the Leaf. Which I think was Stig's original suggestion. On 6/21/2017 1:08 PM, Mahesh Sivakumar (masivaku) wrote: > Hi Eric, > >>> For BIER, I was thinking that the BFR-Prefix of the egress PE should >>> appear in the "originating router's IP address" field of the Leaf A-D >>> NLRI. However, it is probably better to allow the "originating router's >>> IP address" to be different than the BFR-Prefix, and in that case to use >>> the Leaf A-D route's PTA to specify the BFR-Prefix. > I was thinking along the same lines so that we have the flexibility on the > Ingress BFR to use either the originating router or the BFR prefix while > tracking. > But do you envision a real use case at the ingress BFIR for using the BFR prefix > in the PTA given that the BFIR can use the originating router IP address to > match the appropriate S-PMSI A-D route. > Accordingly, should we make the BIER-pfx in the PTA optional? > > Thanks > Mahesh > > > > > > On 6/21/17, 8:39 AM, "BIER on behalf of Eric C Rosen" wrote: > >> Stig, thanks for your comments.+ >> >> On 6/19/2017 5:47 PM, Stig Venaas wrote: >>> Hi >>> >>> I think this draft is mostly ready. I just have a couple of comments. >>> >>> In section 1: >>> This revision of the document does not specify the procedures >>> necessary to support MVPN customers that are using BIDIR-PIM. Those >>> procedures will be added in a future revision. >>> >>> Remove this text? >> We'll probably just change this to something like "Procedures to support >> MVPN customers that are using BIDIR-PIM are outside the scope of this >> document". >> >>> Section 2.1. MPLS Label >>> >>> Should one use different labels to distinguish address families in the same VRF? >> Nice catch. The customer's address family is identified by the AFI of >> the MCAST-VPN routes. There should be a requirement that a given router >> MUST NOT originate two x-PMSI A-D routes with different AFIs but with >> the same upstream-assigned label in their respective PTAs. >> >>> The PTA must be present in Leaf A-D routes so one can know the BIER >>> prefix of the router joining. It might be obvious, but I think it is >>> worth pointing it out. It is specified for IR (in RFC 7988 section >>> 4.1.1 it says: "Leaf A-D route MUST also contain a PTA"... >> For IR, the PTA is needed because each egress PE needs to advertise a >> downstream-assigned label. >> >> For BIER, I was thinking that the BFR-Prefix of the egress PE should >> appear in the "originating router's IP address" field of the Leaf A-D >> NLRI. However, it is probably better to allow the "originating router's >> IP address" to be different than the BFR-Prefix, and in that case to use >> the Leaf A-D route's PTA to specify the BFR-Prefix. > > >> _______________________________________________ >> BIER mailing list >> BIER@ietf.org >> https://www.ietf.org/mailman/listinfo/bier From nobody Wed Jun 21 13:51:59 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 93B321274D2; Wed, 21 Jun 2017 13:51:43 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.022 X-Spam-Level: X-Spam-Status: No, score=-2.022 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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I wouldn't make that assumption. Especially not in MPLS backbones built on an IPv6 infrastructure. > It was never required to be explicitly mention in RFC. The fact that this was never made explicit in any RFC has been the cause of numerous interoperability problems. Many of these have been hammered down over the past twenty years, but new issues of this sort still arise, especially in new applications where label stacks are signaled in new and different ways. > We won’t need signaling. It will depend on ingress PE. If ingress PE does not send ipv6 explicit NULL, it should announce different upstream assigned label for afi. > Egress PE should work in both scenario without any signaling of what ingress PE has implemented. I think it would be good for the egress PE to know in advance whether or not it is expected to infer the payload type from the upstream-assigned label (assuming that that label appears at the bottom of the stack). From nobody Fri Jun 23 14:20:58 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0A755129ADE for ; Fri, 23 Jun 2017 14:20:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_LOW=-0.7, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=venaas-com.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yKVsD9SocRY2 for ; Fri, 23 Jun 2017 14:20:54 -0700 (PDT) Received: from mail-qk0-x22a.google.com (mail-qk0-x22a.google.com [IPv6:2607:f8b0:400d:c09::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id ADD6C1294F8 for ; Fri, 23 Jun 2017 14:20:54 -0700 (PDT) Received: by mail-qk0-x22a.google.com with SMTP id r62so45257631qkf.0 for ; Fri, 23 Jun 2017 14:20:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=venaas-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=QypvvAzAy4aWQHD80udAG+vUzdGcokInPESONxd/TNU=; b=kEIDp3tgerNYLDLLySjHByYa/VGIFfZcelczQn0hYLt+GYERn0fykpAlyvn5WIGROg pWGOUARjqc+QeXHmoKjqUV+4hEucy4eYB8FBzSFtGY7KqyYSIs9XyIJLZ1iVxOHixnAQ bVB0cmGFhe+0JNBcIRhE8zMmKNRYcRQoqiPVEkQA91ACbspoTLCeD/6Lb95q/aeQEwqx VWcihqHGXd6pe9EBO22IlxLzHUezjh7XFwN0phoU9BZj9Vw4GVfpWKt/HjFgkuPw2h5Q RS0jgwja3ha2bHwHiqFM+AZQv4wTcMVctlRTUtxF6+lZWNm7dYUMSMeQAJG2Y3Y3sKUH BCug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=QypvvAzAy4aWQHD80udAG+vUzdGcokInPESONxd/TNU=; b=CtLOobflU2cIvxL2UDsJvEF1F13x67lfLf/VdjivaTB1eRYXQbycZiV+sb8a4t+teh CWacQ7XjOwS3+X9OS3bNHUMOsVoZIPd2xaG3USfuDDaKwBbeTWUvr6bWy9Bss9QUJLt0 MHlt2PzMoyiuji/M8rAnrEYys2ZahtJ474g3tr6U5iuiXNpHoFtt4LJVEDneb7vYoPeb ahJFcL5U3vpm82yz76t7SC5cU/gEbfewq2C0BZUM/VacZ7K1aQYLsO2W3i/Yx/FWYKLs OCv7bwUIePXdT4FclTcICZlt5sm9rs9Mn/OY/1JME5BoPXqoOmlz8ETYc5DttZOID5ZJ JHZw== X-Gm-Message-State: AKS2vOwewkYJAQwBXTFYSVlp+EAK0bX3QWgdua9CuL8Fj61fNbkKWmbJ JNsZ0a78Bgf7LW816YXjJPRcVvAk1w1y X-Received: by 10.55.169.206 with SMTP id s197mr10762156qke.115.1498252853706; Fri, 23 Jun 2017 14:20:53 -0700 (PDT) MIME-Version: 1.0 Received: by 10.140.25.144 with HTTP; Fri, 23 Jun 2017 14:20:53 -0700 (PDT) In-Reply-To: References: From: Stig Venaas Date: Fri, 23 Jun 2017 14:20:53 -0700 Message-ID: To: draft-ietf-pim-igmp-mld-yang@ietf.org, "pim@ietf.org" Content-Type: text/plain; charset="UTF-8" Archived-At: Subject: Re: [pim] Review of draft-ietf-pim-igmp-mld-yang-03 X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Jun 2017 21:20:57 -0000 Hi I don't think I've seen any response for this. Mike and I would like to see an update of the draft before we issue WGLC. The submission deadline for the next IETF is in about 10 days. Stig On Mon, Jun 12, 2017 at 11:39 AM, Stig Venaas wrote: > Hi > > I reviewed this draft to see if I think it is ready for WGLC. I found > some issues that > might be good to resolve first. Would you be able to address my comments and > publish a new revision soon? > > Some of my comments are just questions, but I'm sure at least some changes are > needed. > > > Many places you have a reference where there is no spacing in front of > the "[". E.g. "IGMPv2[RFC2236]". Please write it as "IGMPv2 [RFC2236]". > Among other things, it means that symlinks will work for the HTML version. > > Section 1: > This document defines a draft YANG data model that can be used to > configure and manage Internet Group Management Protocol (IGMP) and > Multicast Listener Discovery (MLD) devices. Currently this model is > incomplete, but it will support the core IGMP and MLD protocols, as > well as many other features mentioned in separate IGMP and MLD RFCs. > Non-core features are defined as optional in the provided data > model. > > Should it still say that it is a draft and that this model is > incomplete? If so, say something about this model is incomplete rather > than using the term "currently". > > Section 2.1: > The representation of some of extension features is not specified in > this draft of the data model. This model is being circulated in its > current form for early oversight and review of the basic hierarchy. > > You should rewrite some of this now that it might be published as an > RFC. Maybe "not specified in this document"? Also the second sentence > doesn't make sense any longer. > > In the next paragraph you use the term "rpcs". Should it be lower case? > Maybe it should say "RPC definitions", "rpc definitions" or something? > > Section 2.2 > Also here and other places you probably want to replace the word "draft" > with e.g. "document". > > Section 2.3 > I think you should write "the ipv4(IGMP)and ipv6(MLD)address" as > "the IPv4 (IGMP) and IPv6 (MLD) address". > > Section 3.1: > Interface-global: IGMP or MLD configuration attributes applicable > to all interfaces IGMP MLD configuration attributes applied to > interfaces whose interface level attributes are not existing, with > same attributes' value for those > > I'm having a hard time parsing this text. Can you try to rewrite it? > Similar problem with the corresponding sentence in 3.2. > > Further down in this section it says "Our current direction is to > agree to". You probably should rewrite that. > > Section 4: > revision 2017-03-13 { > description > "Initial revision."; > > Should it say that it is the initial revision? > > It might be good to have some text describing the concept with basic and > extended intervals. You've done that many places. In the description it > just says "different value range", which is not that clear. > > I have a question about this one in particular > leaf last-member-query-interval-basic { > type uint16 { > range "1..65535"; > } > units seconds; > default 1; > description > "Last Member Query Interval, which may be tuned to modify the > leave latency of the network."; > reference "RFC3376. Sec. 8.8."; > } > leaf last-member-query-interval-extended { > if-feature intf-last-member-query-interval-extended; > type uint16; > units seconds; > default 1; > description > "Last Member Query Interval, which may be tuned to modify the > leave latency of the network."; > reference "RFC3376. Sec. 8.8."; > } > } > > Here it seems both the basic and the extended range use uint16, so > they both are the same range (max 65535)? Do you need both basic and > extended here? Is it because vendors cannot specify a custom range if > range is already defined? Same question for query-max-response-time, > basic and extended. > > > leaf query-interval-basic { > type uint16 { > range "1..31744"; > } > } > Are there implementations that only support up to 31744? > > leaf robustness-variable-basic { > type uint8 { > range "2..7"; > } > There are vendors that allow larger than 2, but not 1? > > In the description of group policy for ssm-map it says: > > description > "Name of the access policy used to filter IGMP > membership.A device MAY restrict the length > and value of this name, possibly space and special > characters are not allowed."; > > I don't think it is appropriate to use normative language in the > descriptions. But I may be wrong. Please add a space after the ".". > > The grouping interface-config-attributes-igmp-mld is for both IGMP > and MLD, but the leaf descriptions only mention IGMP. Similar to > the above description, you probably should not use "MAY", and a > missing space after ".". Please look for this other placs too. > E.g. the mld interface config grouping. > > The "version" leaf accepts versions 1-3, the description says IGMP, > and references IGMP RFCs. But I think you use this for MLD as well. > Would you need to somehow prevent version 3 for MLD? > > In many descriptions it says: > "List of host address that > joined the multicast group"; > > Should say "host addresses". Or maybe "hosts". or maybe "List of > addresses of hosts that joined the multicast group". > > Makes this plural. > leaf host-count { > type uint32; > description > "The number of host address."; > } > > leaf up-time { > type uint32; > units seconds; > description > "The time after the device created multicast group record."; > } > > Perhaps it would be better to say "Elapsed time since"? The same for > some other places where it says "time after". > > A couple of places for "expire" leaf the description is: > "The time left before multicast group timeout."; > > Perhaps it would be better to say "group expires". Or "group times out"? > Or maybe "group state expires"? > > I have a question about "rpc clear-igmp-groups" and the same for MLD. > It says: > rpc clear-igmp-groups { > if-feature rpc-clear-groups; > description > "Clears the specified IGMP cache tables."; > and also: > leaf group { > type inet:ipv4-address; > description > "Multicast group IPv4 address. > If it is not specified, all IGMP group tables are > cleared."; > } > leaf source { > type inet:ipv4-address; > description > "Multicast source IPv4 address. > If it is not specified, all IGMP source-group tables are > cleared."; > } > > Shouldn't it say "entries" instead of "tables"? > > Stig From nobody Fri Jun 23 14:50:59 2017 Return-Path: X-Original-To: pim@ietfa.amsl.com Delivered-To: pim@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F2C7A120227; Fri, 23 Jun 2017 14:50:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.92 X-Spam-Level: X-Spam-Status: No, score=-1.92 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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boundary="_000_te9u6puabdy5o3utuuh7g17h1498254645248emailandroidcom_" MIME-Version: 1.0 X-OriginatorOrg: jabil.com X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Jun 2017 21:50:50.8110 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: bc876b21-f134-4c12-a265-8ed26b7f0f3b X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR0201MB0865 Archived-At: Subject: Re: [pim] Review of draft-ietf-pim-igmp-mld-yang-03 X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Jun 2017 21:50:58 -0000 --_000_te9u6puabdy5o3utuuh7g17h1498254645248emailandroidcom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Stig, We are working on it. Should submit an update in a few days. Thanks, - Xufeng -------- Original message -------- From: Stig Venaas Date: 06/23/2017 5:21 PM (GMT-05:00) To: draft-ietf-pim-igmp-mld-yang@ietf.org, pim@ietf.org Subject: Re: Review of draft-ietf-pim-igmp-mld-yang-03 Hi I don't think I've seen any response for this. Mike and I would like to see an update of the draft before we issue WGLC. The submission deadline for the next IETF is in about 10 days. Stig On Mon, Jun 12, 2017 at 11:39 AM, Stig Venaas wrote: > Hi > > I reviewed this draft to see if I think it is ready for WGLC. I found > some issues that > might be good to resolve first. Would you be able to address my comments = and > publish a new revision soon? > > Some of my comments are just questions, but I'm sure at least some change= s are > needed. > > > Many places you have a reference where there is no spacing in front of > the "[". E.g. "IGMPv2[RFC2236]". Please write it as "IGMPv2 [RFC2236]". > Among other things, it means that symlinks will work for the HTML version= . > > Section 1: > This document defines a draft YANG data model that can be used to > configure and manage Internet Group Management Protocol (IGMP) and > Multicast Listener Discovery (MLD) devices. Currently this model is > incomplete, but it will support the core IGMP and MLD protocols, as > well as many other features mentioned in separate IGMP and MLD RFCs. > Non-core features are defined as optional in the provided data > model. > > Should it still say that it is a draft and that this model is > incomplete? If so, say something about this model is incomplete rather > than using the term "currently". > > Section 2.1: > The representation of some of extension features is not specified in > this draft of the data model. This model is being circulated in its > current form for early oversight and review of the basic hierarchy. > > You should rewrite some of this now that it might be published as an > RFC. Maybe "not specified in this document"? Also the second sentence > doesn't make sense any longer. > > In the next paragraph you use the term "rpcs". Should it be lower case? > Maybe it should say "RPC definitions", "rpc definitions" or something? > > Section 2.2 > Also here and other places you probably want to replace the word "draft" > with e.g. "document". > > Section 2.3 > I think you should write "the ipv4(IGMP)and ipv6(MLD)address" as > "the IPv4 (IGMP) and IPv6 (MLD) address". > > Section 3.1: > Interface-global: IGMP or MLD configuration attributes applicable > to all interfaces IGMP MLD configuration attributes applied to > interfaces whose interface level attributes are not existing, with > same attributes' value for those > > I'm having a hard time parsing this text. Can you try to rewrite it? > Similar problem with the corresponding sentence in 3.2. > > Further down in this section it says "Our current direction is to > agree to". You probably should rewrite that. > > Section 4: > revision 2017-03-13 { > description > "Initial revision."; > > Should it say that it is the initial revision? > > It might be good to have some text describing the concept with basic and > extended intervals. You've done that many places. In the description it > just says "different value range", which is not that clear. > > I have a question about this one in particular > leaf last-member-query-interval-basic { > type uint16 { > range "1..65535"; > } > units seconds; > default 1; > description > "Last Member Query Interval, which may be tuned to modify t= he > leave latency of the network."; > reference "RFC3376. Sec. 8.8."; > } > leaf last-member-query-interval-extended { > if-feature intf-last-member-query-interval-extended; > type uint16; > units seconds; > default 1; > description > "Last Member Query Interval, which may be tuned to modify t= he > leave latency of the network."; > reference "RFC3376. Sec. 8.8."; > } > } > > Here it seems both the basic and the extended range use uint16, so > they both are the same range (max 65535)? Do you need both basic and > extended here? Is it because vendors cannot specify a custom range if > range is already defined? Same question for query-max-response-time, > basic and extended. > > > leaf query-interval-basic { > type uint16 { > range "1..31744"; > } > } > Are there implementations that only support up to 31744? > > leaf robustness-variable-basic { > type uint8 { > range "2..7"; > } > There are vendors that allow larger than 2, but not 1? > > In the description of group policy for ssm-map it says: > > description > "Name of the access policy used to filter IGMP > membership.A device MAY restrict the length > and value of this name, possibly space and special > characters are not allowed."; > > I don't think it is appropriate to use normative language in the > descriptions. But I may be wrong. Please add a space after the ".". > > The grouping interface-config-attributes-igmp-mld is for both IGMP > and MLD, but the leaf descriptions only mention IGMP. Similar to > the above description, you probably should not use "MAY", and a > missing space after ".". Please look for this other placs too. > E.g. the mld interface config grouping. > > The "version" leaf accepts versions 1-3, the description says IGMP, > and references IGMP RFCs. But I think you use this for MLD as well. > Would you need to somehow prevent version 3 for MLD? > > In many descriptions it says: > "List of host address that > joined the multicast group"; > > Should say "host addresses". Or maybe "hosts". or maybe "List of > addresses of hosts that joined the multicast group". > > Makes this plural. > leaf host-count { > type uint32; > description > "The number of host address."; > } > > leaf up-time { > type uint32; > units seconds; > description > "The time after the device created multicast group record."; > } > > Perhaps it would be better to say "Elapsed time since"? The same for > some other places where it says "time after". > > A couple of places for "expire" leaf the description is: > "The time left before multicast group timeout."; > > Perhaps it would be better to say "group expires". Or "group times out"? > Or maybe "group state expires"? > > I have a question about "rpc clear-igmp-groups" and the same for MLD. > It says: > rpc clear-igmp-groups { > if-feature rpc-clear-groups; > description > "Clears the specified IGMP cache tables."; > and also: > leaf group { > type inet:ipv4-address; > description > "Multicast group IPv4 address. > If it is not specified, all IGMP group tables are > cleared."; > } > leaf source { > type inet:ipv4-address; > description > "Multicast source IPv4 address. > If it is not specified, all IGMP source-group tables are > cleared."; > } > > Shouldn't it say "entries" instead of "tables"? > > Stig --_000_te9u6puabdy5o3utuuh7g17h1498254645248emailandroidcom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
Hi Stig,

We are working on it. Should submit an update in a few days.

Thanks,
- Xufeng


-------- Original message --------
From: Stig Venaas <stig@venaas.com>
Date: 06/23/2017 5:21 PM (GMT-05:00)
To: draft-ietf-pim-igmp-mld-yang@ietf.org, pim@ietf.org
Subject: Re: Review of draft-ietf-pim-igmp-mld-yang-03

Hi

I don't think I've seen any response for this. Mike and I would like
to see an update of the draft before we issue WGLC. The submission
deadline for the next IETF is in about 10 days.

Stig


On Mon, Jun 12, 2017 at 11:39 AM, Stig Venaas <stig@venaas.com> wrote= :
> Hi
>
> I reviewed this draft to see if I think it is ready for WGLC. I found<= br> > some issues that
> might be good to resolve first. Would you be able to address my commen= ts and
> publish a new revision soon?
>
> Some of my comments are just questions, but I'm sure at least some cha= nges are
> needed.
>
>
> Many places you have a reference where there is no spacing in front of=
> the "[". E.g. "IGMPv2[RFC2236]". Please write it a= s "IGMPv2 [RFC2236]".
> Among other things, it means that symlinks will work for the HTML vers= ion.
>
> Section 1:
>    This document defines a draft YANG data model that c= an be used to
>    configure and manage Internet Group Management Proto= col (IGMP) and
>    Multicast Listener Discovery (MLD) devices. Currentl= y this model is
>    incomplete, but it will support the core IGMP and ML= D protocols, as
>    well as many other features mentioned in separate IG= MP and MLD RFCs.
>    Non-core features are defined as optional in the pro= vided data
>    model.
>
> Should it still say that it is a draft and that this model is
> incomplete? If so, say something about this model is incomplete rather=
> than using the term "currently".
>
> Section 2.1:
>    The representation of some of extension features is = not specified in
>    this draft of the data model.  This model is be= ing circulated in its
>    current form for early oversight and review of the b= asic hierarchy.
>
> You should rewrite some of this now that it might be published as an > RFC. Maybe "not specified in this document"? Also the second= sentence
> doesn't make sense any longer.
>
> In the next paragraph you use the term "rpcs". Should it be = lower case?
> Maybe it should say "RPC definitions", "rpc definitions= " or something?
>
> Section 2.2
> Also here and other places you probably want to replace the word "= ;draft"
> with e.g. "document".
>
> Section 2.3
> I think you should write "the ipv4(IGMP)and ipv6(MLD)address"= ; as
> "the IPv4 (IGMP) and IPv6 (MLD) address".
>
> Section 3.1:
>    Interface-global: IGMP or MLD configuration attribut= es applicable
>    to all interfaces IGMP MLD configuration attributes = applied to
>    interfaces whose interface level attributes are not = existing, with
>    same attributes' value for those
>
> I'm having a hard time parsing this text. Can you try to rewrite it? > Similar problem with the corresponding sentence in 3.2.
>
> Further down in this section it says "Our current direction is to=
> agree to". You probably should rewrite that.
>
> Section 4:
>       revision 2017-03-13 {
>         description
>           "Init= ial revision.";
>
> Should it say that it is the initial revision?
>
> It might be good to have some text describing the concept with basic a= nd
> extended intervals. You've done that many places. In the description i= t
> just says "different value range", which is not that clear.<= br> >
> I have a question about this one in particular
>           leaf last-= member-query-interval-basic {
>            = ; type uint16 {
>            = ;   range "1..65535";
>            = ; }
>            = ; units seconds;
>            = ; default 1;
>            = ; description
>            = ;   "Last Member Query Interval, which may be tuned to modif= y the
>            = ;   leave latency of the network.";
>            = ;   reference "RFC3376. Sec. 8.8.";
>           }
>           leaf last-= member-query-interval-extended {
>            = ; if-feature intf-last-member-query-interval-extended;
>            = ; type uint16;
>            = ; units seconds;
>            = ; default 1;
>            = ; description
>            = ;   "Last Member Query Interval, which may be tuned to modif= y the
>            = ;    leave latency of the network.";
>            = ;  reference "RFC3376. Sec. 8.8.";
>           }
>         }
>
> Here it seems both the basic and the extended range use uint16, so
> they both are the same range (max 65535)? Do you need both basic and > extended here? Is it because vendors cannot specify a custom range if<= br> > range is already defined? Same question for query-max-response-time, > basic and extended.
>
>
>           leaf query= -interval-basic {
>            = ; type uint16 {
>            = ;   range "1..31744";
>            = ; }
>           }
> Are there implementations that only support up to 31744?
>
>           leaf robus= tness-variable-basic {
>            = ; type uint8 {
>            = ;   range "2..7";
>            = ; }
> There are vendors that allow larger than 2, but not 1?
>
> In the description of group policy for ssm-map it says:
>
>            = ; description
>            = ;   "Name of the access policy used to filter IGMP
>            = ;    membership.A device MAY restrict the length
>            = ;    and value of this name, possibly space and special
>            = ;    characters are not allowed.";
>
> I don't think it is appropriate to use normative language in the
> descriptions. But I may be wrong. Please add a space after the ".= ".
>
> The grouping interface-config-attributes-igmp-mld is for both IGMP
> and MLD, but the leaf descriptions only mention IGMP. Similar to
> the above description, you probably should not use "MAY", an= d a
> missing space after ".". Please look for this other placs to= o.
> E.g. the mld interface config grouping.
>
> The "version" leaf accepts versions 1-3, the description say= s IGMP,
> and references IGMP RFCs. But I think you use this for MLD as well. > Would you need to somehow prevent version 3 for MLD?
>
> In many descriptions it says:
>            = ;   "List of host address that
>            = ;    joined the multicast group";
>
> Should say "host addresses". Or maybe "hosts". or = maybe "List of
> addresses of hosts that joined the multicast group".
>
> Makes this plural.
>         leaf host-count {
>           type uint3= 2;
>            = ; description
>            = ;   "The number of host address.";
>         }
>
>         leaf up-time {
>           type uint3= 2;
>           units seco= nds;
>           descriptio= n
>            = ; "The time after the device created multicast group record."; >         }
>
> Perhaps it would be better to say "Elapsed time since"? The = same for
> some other places where it says "time after".
>
> A couple of places for "expire" leaf the description is:
>            = ; "The time left before multicast group timeout.";
>
> Perhaps it would be better to say "group expires". Or "= group times out"?
> Or maybe "group state expires"?
>
> I have a question about "rpc clear-igmp-groups" and the same= for MLD.
> It says:
>       rpc clear-igmp-groups {
>         if-feature rpc-clear-g= roups;
>         description
>           "Clea= rs the specified IGMP cache tables.";
> and also:
>           leaf group= {
>            = ; type inet:ipv4-address;
>            = ; description
>            = ;   "Multicast group IPv4 address.
>            = ;    If it is not specified, all IGMP group tables are
>            = ;    cleared.";
>           }
>           leaf sourc= e {
>            = ; type inet:ipv4-address;
>            = ; description
>            = ;   "Multicast source IPv4 address.
>            = ;    If it is not specified, all IGMP source-group tables ar= e
>            = ;    cleared.";
>           }
>
> Shouldn't it say "entries" instead of "tables"? >
> Stig
 --_000_te9u6puabdy5o3utuuh7g17h1498254645248emailandroidcom_-- From nobody Fri Jun 23 17:15:28 2017 Return-Path: X-Original-To: pim@ietf.org Delivered-To: pim@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 938FB129B51; Fri, 23 Jun 2017 17:07:13 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: "\"IETF Secretariat\"" To: , Cc: aretana@cisco.com, pim@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149826283359.7840.2729743761433658036.idtracker@ietfa.amsl.com> Date: Fri, 23 Jun 2017 17:07:13 -0700 Archived-At: Subject: [pim] pim - Requested session has been scheduled for IETF 99 X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Jun 2017 00:07:15 -0000 Dear Stig Venaas, The session(s) that you have requested have been scheduled. Below is the scheduled session information followed by the original request. pim Session 1 (2:30:00) Tuesday, Morning Session I 0930-1200 Room Name: Athens/Barcelona size: 100 --------------------------------------------- Special Note: Joint session with MBONED Request Information: --------------------------------------------------------- Working Group Name: Protocols for IP Multicast Area Name: Routing Area Session Requester: Stig Venaas Number of Sessions: 1 Length of Session(s): 2.5 Hours Number of Attendees: 50 Conflicts to Avoid: First Priority: mboned bess Second Priority: rtgwg bier i2rs rtgarea netconf netmod Third Priority: spring softwire idr nvo3 homenet lisp ospf People who must be present: Mike McBride Stig Venaas Alvaro Retana Resources Requested: Special Requests: We would be happy to share our meeting slot with mboned. And please try to make our session on Monday or Tuesday if at all possible. thank you. --------------------------------------------------------- From nobody Wed Jun 28 13:43:15 2017 Return-Path: X-Original-To: pim@ietf.org Delivered-To: pim@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 73A5212EB15; Wed, 28 Jun 2017 13:43:13 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: pim@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149868259339.7635.18052747204275433641@ietfa.amsl.com> Date: Wed, 28 Jun 2017 13:43:13 -0700 Archived-At: Subject: [pim] I-D Action: draft-ietf-pim-drlb-06.txt X-BeenThere: pim@ietf.org X-Mailman-Version: 2.1.22 List-Id: Protocol Independent Multicast List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Jun 2017 20:43:13 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Protocols for IP Multicast of the IETF. Title : PIM Designated Router Load Balancing Authors : Yiqun Cai Heidi Ou Sri Vallepalli Mankamana Prasad Mishra Stig Venaas Andy Green Filename : draft-ietf-pim-drlb-06.txt Pages : 18 Date : 2017-06-28 Abstract: On a multi-access network, one of the PIM routers is elected as a Designated Router (DR). On the last hop LAN, the PIM DR is responsible for tracking local multicast listeners and forwarding traffic to these listeners if the group is operating in PIM-SM. In this document, we propose a modification to the PIM-SM protocol that allows more than one of these last hop routers to be selected so that the forwarding load can be distributed among these routers. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-pim-drlb/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-pim-drlb-06 https://datatracker.ietf.org/doc/html/draft-ietf-pim-drlb-06 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-pim-drlb-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/