Re: [Bier] In reply to the formal complaints

Michael McBride <mmcbride@futurewei.com> Thu, 17 June 2021 05:46 UTC

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From: Michael McBride <mmcbride@futurewei.com>
To: "gjshep@gmail.com" <gjshep@gmail.com>
CC: Martin Vigoureux <martin.vigoureux@nokia.com>, "Xiejingrong (Jingrong)" <xiejingrong@huawei.com>, "bier@ietf.org" <bier@ietf.org>
Thread-Topic: [Bier] In reply to the formal complaints
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Archived-At: <https://mailarchive.ietf.org/arch/msg/bier/TvPABn9906erIwZPk48XdUI4S4Q>
Subject: Re: [Bier] In reply to the formal complaints
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And around and around we go. It's at least good to see that the consistent tone in this wg hasn't changed. Congrats, you win.

mike

From: Greg Shepherd <gjshep@gmail.com>
Sent: Wednesday, June 16, 2021 10:08 PM
To: Michael McBride <mmcbride@futurewei.com>
Cc: Martin Vigoureux <martin.vigoureux@nokia.com>om>; Xiejingrong (Jingrong) <xiejingrong@huawei.com>om>; bier@ietf.org
Subject: Re: [Bier] In reply to the formal complaints

Inline:

On Wed, Jun 16, 2021 at 5:47 PM Michael McBride <mmcbride@futurewei.com<mailto:mmcbride@futurewei.com>> wrote:
Howdy,

Le 2021-06-11 à 13:40, Xiejingrong (Jingrong) a écrit :
> Dear Martin,
>
> We've responded to the summary from chairs on that thread. I think it reflects the key technical differences between us and the chairs.
>>From chairs' point of view, BIERv6 violates BIER architecture, which is L2 in nature and should not be IPv6/SRv6 dependent.
>>From our point of view, BIERv6 does not violate BIER architecture, which should be interpreted by RFC8279 text instead of other informal interpretation.

>it appears to me that this is the discussion the WG needs to have and reach consensus on.

My take from the chairs summary is that they believe BIERv6 is simply unnecessary, not that it violates the bier architecture.

GS - Correct

There are many of us who believe using EH for the bitstring is a great use of IPv6 with bier.

GS - "Great use" is not a valid use-case. The WG has been asking the authors for years what the compelling use case is to motivate creating layer dependencies and we are still waiting.

This was presented in 6man with positive feedback.

GS - No, it was presented in 6man and the authors were told 6man had no issues with it from a v6 perspective but that the work needed to work through the BIER WG for all BIER issues. And the WG is rather exhausted at having to repeatedly address the same miss-represetned issues, miss-quoted members of other lists, and having our questions ignored. You are essentially DOS-ing the WG process rather than listening and collaborating. It's clear you are unwilling to work collaboratively within the group. We've tried.

Perhaps the time has come to propose this work in an IPv6 EH friendly WG?

GS - I trust you understand how the standards process works. Good luck.

Greg

mike

>
> For the detailed technical points in the BIERv6 solution, we think they have been checked carefully in BIER WG and other WGs for long time, and have been proven by implementation and test.
> Also there are solid requirements from industry to have well-adapted BIER solution in IPv6/SRv6 network.
>
> We seek for your guidance to move our work forward in IETF. We would like to propose two options about what should be done in the next step:
> 1) Consider to adopt BIERv6 in BIER WG, if BIERv6 complies with BIER architecture.
> 2) Move BIERv6 work to other WG, e.g., PIM or SPRING, if BIERv6 does not comply with BIER architecture.
>
> Thank you very much for your help.
>
> Jingrong
>
> -----Original Message-----
> From: BIER [mailto:bier-bounces@ietf.org<mailto:bier-bounces@ietf.org>] On Behalf Of Martin
> Vigoureux
> Sent: Monday, May 31, 2021 9:29 PM
> To: bier@ietf.org<mailto:bier@ietf.org>
> Subject: [Bier] In reply to the formal complaints
>
> WG
>
> First, I'd like to apologize for the time this has taken.
>
> I have reviewed the two formal complaints that were sent early March, and I have also reviewed most of the e-mails that were sent on the bier mailing list for the past 12 months or so, relating to BIER and IPv6.
>
> I will not individually discuss the various points raised, rather I will make a general statement.
>
> It is my opinion that a certain number of points are not critical (in the sense of not needing an AD to step-in) and some typically happen sometimes as part of the life cycle of WGs. Yet, I do recognize that some points are more problematic than others.
> Further, it is my opinion that the points listed may arise from a variety of intentions and as such it is hazardous to associate them with a particular one.
> It is however my opinion that the multiplicity of concerns is, in itself, a concern.
> I have talked with the chairs. They do recognize that, at some occasions, their communication was not the most effective one, and I trust they will pay attention to that in the future.
>
> About the adoption poll on draft-zhang-bier-bierin6. Although the way this was handled raised some concerns, I'd like to remind that an adoption poll is not formally part of our processes, even if it is common practice, and in fact it only marks the start of the WG discussion. As such, I have little arguments to go back on this.
>
> The last part is about the progress of a so-called BIER v6 solution.
> Here, I have asked the chairs to establish a summary of the discussions regarding that type of solution in general and regarding the specific document which proposes a solution. They should publish it some time after this e-mail.
>
> Following that, it is my expectation that the WG has a fair and open discussion, ideally focussing on the general aspects, and then concludes on the way forward.
>
>
> Martin
>
> _______________________________________________
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