Re: [pim] mankamana-pim-bdr adoption call. Was: RE: Sticky PIM DR, should it be added to PIM DR improvements or different draft
Sridhar Santhanam <sridhar.santhanam@gmail.com> Tue, 29 June 2021 20:18 UTC
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From: Sridhar Santhanam <sridhar.santhanam@gmail.com>
Date: Tue, 29 Jun 2021 13:18:00 -0700
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Subject: Re: [pim] mankamana-pim-bdr adoption call. Was: RE: Sticky PIM DR, should it be added to PIM DR improvements or different draft
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I support the adoption. Regards, Sridhar On Tue, Jun 29, 2021 at 12:01 PM <pim-request@ietf.org> wrote: > Send pim mailing list submissions to > pim@ietf.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://www.ietf.org/mailman/listinfo/pim > or, via email, send a message with subject or body 'help' to > pim-request@ietf.org > > You can reach the person managing the list at > pim-owner@ietf.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of pim digest..." > > > Today's Topics: > > 1. Re: mankamana-pim-bdr adoption call. Was: RE: Sticky PIM DR, > should it be added to PIM DR improvements or different draft > (gregory.mirsky@ztetx.com) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 29 Jun 2021 23:32:39 +0800 (CST) > From: <gregory.mirsky@ztetx.com> > To: <pim@ietf.org>, <pim-chairs@ietf.org> > Subject: Re: [pim] mankamana-pim-bdr adoption call. Was: RE: Sticky > PIM DR, should it be added to PIM DR improvements or different > draft > Message-ID: <202106292332391181893@zte.com.cn> > Content-Type: text/plain; charset="utf-8" > > Dear All, > I've read the draft and support its adoption by the PIM WG. > I have several non-blocking comments and a question: > - it seems that some additional references to RFC 7761 can be placed in > the Abstract and Introduction section. > - the introduction of a BDR PIM-SM router improves the convergence and > reduces the impact of the DR failure on the multicast service. However, the > detection, except for the DR transmitting PIM Hello with Holdtime = 0 > before going down, is in tens of seconds. Hence, it might be helpful to > reference draft-ietf-pim-bfd-p2mp-use-case and describe the interworking > aspects, if any. > - Section 4.4.1 (and 4.4.2 through the reference to 4.4.1) propose that a > new PIM-SM router initially advertises its priority as 0. Hence my > question, would it be beneficial if that new router switches to the > configured value if the failure of DR or BDR is detected? > > Regards, > Greg Mirsky > Sr. Standardization Expert > ?????/?????/??????? Standard Preresearch Dept./Wireline Product R&D > Institute/Wireline Product Operation Division > E: gregory.mirsky@ztetx.com > www.zte.com.cn > ------------------Original Mail------------------ > From: Michael McBride <michael.mcbride@futurewei.com> > Date: Mon, Jun 28, 2021 at 3:12 PM > Subject: Re: [pim] mankamana-pim-bdr adoption call. Was: RE: Sticky PIM > DR, should it be added to PIM DR improvements or different draft > To: pim@ietf.org <pim@ietf.org> > > > Hello again, > It's been a week with no response to this adoption call. We will give it > another week and if still no response we won't adopt at this time. > thanks, > mike > -----Original Message----- > From: pim <pim-bounces@ietf.org> On Behalf Of Michael McBride > Sent: Monday, June 21, 2021 6:11 PM > To: pim@ietf.org > Subject: [pim] mankamana-pim-bdr adoption call. Was: RE: Sticky PIM DR, > should it be added to PIM DR improvements or different draft > Hello all, > We are picking back up on this thread and using it as a call for adoption. > During IETF 110 we had 9 in favor and 2 against adoption. Please read the > draft: > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-mankamana-pim-bdr%2F&data=04%7C01%7Cmmcbride%40futurewei.com%7C067e47a1b80941d12e0408d9351aa874%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637599210899942214%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=%2BdhjjMXC5bHiaYai9if7HSE0N%2BRlwdEFubLfz%2FlKODo%3D&reserved=0 > and indicate if you support adoption. > If you don't support adoption please indicate whether you would support > merging with draft-ietf-pim-dr-improvement or have other suggestions. The > minutes are included below to show the options with progressing this draft. > thanks, > mike > draft-mankamana-pim-bdr - Mankamana > Lenny - this concept of priority and preemption is not unique to pim: > vrrp, rsvp with backup paths, etc. can we leverage from those? Was it > protocol level stuff or vendor implementations, those could be good > examples. leave it up to implementations? > Alvaro - what has me confused is talking about two solutions that are > basically the same thing. A good argument has been made on how the previous > draft isn't needed. It would be nice if all the solutions was considered in > one draft. We seem to be circuling around implementations, first resolve if > we want single or multiple solutions. And then understand how they interact. > Stig - I agree. We initially only had one sticky DR in other draft, now we > have two proposals. Do we actually need two solutions? Are there different > use cases where one is better then the other? > Alvaro - I'm not advocating for one or two, the wg to decide. maybe we > define multiple use cases. Needs more coordination. > Stig - if the wg decides we only need one solution that covers all the use > cases we probably only want to publish one of them. > Mike - some may want to have a hello option and others may not. And right > now we only have one wg document. Let's say we do adopt this draft, should > we hold off on progressing both documents until they are both progressed > together? > Alvaro - That would be nice. they are not dependent on each other. they > don't have to progress together. progressing close would be nice. > Stig - we shouldn't progress any document until we carefully decide what > solution is best or if we want both solutions. Lets compare both options. > Mike - let's poll for adoption. > Stig - just because we adopt both documents doesn't mean we publish both > documents. > Poll - 9 in favor and 2 against. Will take to the list. > -----Original Message----- > From: pim <pim-bounces@ietf.org> On Behalf Of Mankamana Mishra (mankamis) > Sent: Wednesday, January 06, 2021 11:29 AM > To: Alvaro Retana <aretana.ietf@gmail.com>; zhang.zheng < > zhang.zheng@zte.com.cn>; Stig Venaas <stig@venaas.com> > Cc: Sridhar Santhanam (sridsant) <sridsant@cisco.com>; pim@ietf.org > Subject: Re: [pim] Sticky PIM DR, should it be added to PIM DR > improvements or different draft > Thanks every one for input. So I would update Sticky PIM DR without > capability option in draft-mankamana-pim-bdr. Will ask for adoption in > coming IETF. > Mankamana > ?On 12/4/20, 9:04 AM, "Alvaro Retana" <aretana.ietf@gmail.com> wrote: > On December 4, 2020 at 11:03:22 AM, Stig Venaas wrote: > Stig: > Hi! > > Thoughts? Do you see this differently? > I'm ok with whatever the WG decides, as long as the relationship and > interaction between multiple potential solutions is clear. > This is what I wrote in my review of draft-ietf-pim-dr-improvement-09: > === > (2) As far as I can see draft-mankamana-pim-bdr has not been adopted yet. > Assuming that is the plan, how would the two mechanisms interact? Given > that draft-mankamana-pim-bdr doesn't add options, and ?5 says that if no > options are received then the routers MUST use rfc7761, how does a router > implementing this specification tell the difference? > I realize that some of these questions may be better directed at > draft-mankamana-pim-bdr, but because the WG agreed that a statement > relating the two should be included in this document [1], then I'm > asking now. I would really like to understand what the WG expects. > === > The WG is already aware of both drafts. Assuming > draft-mankamana-pim-bdr is adopted, I would prefer it if both > solutions are progressed together (one or two documents is ok with > me). > Thanks! > Alvaro. > _______________________________________________ > pim mailing list > pim@ietf.org > > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Fmailman%2Flistinfo%2Fpim&data=04%7C01%7Cmmcbride%40futurewei.com%7C067e47a1b80941d12e0408d9351aa874%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637599210899942214%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=XRbjNZlVlm3isR%2F7NYbb7kOrAvy8Cv8%2BkpG7sDrE38I%3D&reserved=0 > _______________________________________________ > pim mailing list > pim@ietf.org > > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Fmailman%2Flistinfo%2Fpim&data=04%7C01%7Cmmcbride%40futurewei.com%7C067e47a1b80941d12e0408d9351aa874%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637599210899942214%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=XRbjNZlVlm3isR%2F7NYbb7kOrAvy8Cv8%2BkpG7sDrE38I%3D&reserved=0 > _______________________________________________ > pim mailing list > pim@ietf.org > https://www.ietf.org/mailman/listinfo/pim > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > pim mailing list > pim@ietf.org > https://www.ietf.org/mailman/listinfo/pim > > > ------------------------------ > > End of pim Digest, Vol 206, Issue 6 > *********************************** >
- [pim] mankamana-pim-bdr adoption call. Was: RE: S… Michael McBride
- Re: [pim] mankamana-pim-bdr adoption call. Was: R… Michael McBride
- Re: [pim] mankamana-pim-bdr adoption call. Was: R… Acee Lindem (acee)
- Re: [pim] mankamana-pim-bdr adoption call. Was: R… Mankamana Mishra (mankamis)
- Re: [pim] mankamana-pim-bdr adoption call. Was: R… Gyan Mishra
- Re: [pim] mankamana-pim-bdr adoption call. Was: R… zhang.zheng
- Re: [pim] mankamana-pim-bdr adoption call. Was: R… gregory.mirsky
- Re: [pim] mankamana-pim-bdr adoption call. Was: R… Sridhar Santhanam
- Re: [pim] mankamana-pim-bdr adoption call. Was: R… Anuj Budhiraja (abudhira)
- Re: [pim] mankamana-pim-bdr adoption call. Was: R… Gyan Mishra
- Re: [pim] mankamana-pim-bdr adoption call. Was: R… Michael McBride