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Re: [pim] Éric Vyncke's No Objection on draft-ietf-pim-igmp-mld-extension-06: (with COMMENT)

Alvaro Retana <aretana.ietf@gmail.com> Thu, 03 February 2022 11:54 UTC

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From: Alvaro Retana <aretana.ietf@gmail.com>
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References: <164364051519.21164.246935898257729898@ietfa.amsl.com> <CAMMESswHR8qnMgC7ktG8rDDbp=P+=v_CKmz+S9vFcp7eAeq7iQ@mail.gmail.com> <173AC174-15BD-44FA-8148-B5D1831B13DE@eggert.org>
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To: Lars Eggert <lars@eggert.org>
Cc: pim-chairs@ietf.org, mmcbride7@gmail.com, draft-ietf-pim-igmp-mld-extension@ietf.org, The IESG <iesg@ietf.org>, Éric Vyncke <evyncke@cisco.com>, pim@ietf.org
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Subject: Re: [pim] Éric Vyncke's No Objection on draft-ietf-pim-igmp-mld-extension-06: (with COMMENT)
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On February 3, 2022 at 5:08:39 AM, Lars Eggert wrote:


Hi!


> On 2022-2-1, at 20:56, Alvaro Retana wrote:
> > The WG had a specific discussion about formally Updating
> > rfc3376/rfc3810 and decided against it. In general, the consensus is
> > that this new mechanism is not a required extension of IGMPv3/MPDv2.
> > Among other reasons, as explained in §5, host implementations change
> > very slowly, and the use of the E-bit is backward compatible.
>
> that's all true, but AFAIK there is no registry for these bits and if there
> is no formal "Updates" relationship, we need to rely on the community somehow
> remembering that this bit was assigned for this RFC-to-be, to avoid clashes
> with other future extensions?

We do, for now.

There's active work in the WG to bis both rfc3376/rfc3810, so I'll
make sure a registry is set up there.

Alvaro.

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