Re: [bess] Murray Kucherawy's Discuss on draft-ietf-bess-evpn-igmp-mld-proxy-14: (with DISCUSS and COMMENT)

"Mankamana Mishra (mankamis)" <mankamis@cisco.com> Wed, 17 November 2021 20:03 UTC

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From: "Mankamana Mishra (mankamis)" <mankamis@cisco.com>
To: Murray Kucherawy <superuser@gmail.com>, The IESG <iesg@ietf.org>, "Stephane Litkowski (slitkows)" <slitkows@cisco.com>
CC: "draft-ietf-bess-evpn-igmp-mld-proxy@ietf.org" <draft-ietf-bess-evpn-igmp-mld-proxy@ietf.org>, "bess-chairs@ietf.org" <bess-chairs@ietf.org>, "bess@ietf.org" <bess@ietf.org>, "slitkows.ietf@gmail.com" <slitkows.ietf@gmail.com>
Thread-Topic: Murray Kucherawy's Discuss on draft-ietf-bess-evpn-igmp-mld-proxy-14: (with DISCUSS and COMMENT)
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Date: Wed, 17 Nov 2021 20:03:46 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/bess/vhRpB9rQIFd4_1BsvkLt2Z0mSZw>
Subject: Re: [bess] Murray Kucherawy's Discuss on draft-ietf-bess-evpn-igmp-mld-proxy-14: (with DISCUSS and COMMENT)
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Hi Murray,
Thanks for comment . Please find inlinecomment.

From: Murray Kucherawy via Datatracker <noreply@ietf.org>
Date: Wednesday, October 27, 2021 at 11:34 PM
To: The IESG <iesg@ietf.org>
Cc: draft-ietf-bess-evpn-igmp-mld-proxy@ietf.org <draft-ietf-bess-evpn-igmp-mld-proxy@ietf.org>, bess-chairs@ietf.org <bess-chairs@ietf.org>, bess@ietf.org <bess@ietf.org>, slitkows.ietf@gmail.com <slitkows.ietf@gmail.com>
Subject: Murray Kucherawy's Discuss on draft-ietf-bess-evpn-igmp-mld-proxy-14: (with DISCUSS and COMMENT)
Murray Kucherawy has entered the following ballot position for
draft-ietf-bess-evpn-igmp-mld-proxy-14: Discuss

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DISCUSS:
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There's an IPR disclosure on this document.  In the shepherd writeup, where a
summary of the discussion of it is requested, it simply says "There are 3 IPRs
disclosed".  I'd like to hear that summary, or at least confirm the discussion
was had and there were no concerns as a result.

Mankamana : @Stephane Litkowski (slitkows)<mailto:slitkows@cisco.com> to address this comment.


The IANA Considerations section needs some work:

(0) I suggest making each of the actions you want to take (there are four) into
their own subsections of this section.

(1) "EVPN Extended Community sub-types registry" should be "EVPN Extended
Community Sub-Types sub-registry of the BGP Extended Communities registry",
which makes it easier to find.

(2) "Multicast Flags Extended Community" appears to be a new registry you're
creating in the final action here.  BCP 26, for a First Come First Served
registry, advises that a change controller column be included.  Are you
intentionally omitting this here?  Or if this is referring to an existing
registry, I wasn't able to find it.

Mankamana :The registry in (1), above, is also FCFS and it does not have a change controller column.

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COMMENT:
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Section 3 defines "NV" and "NVO", but these terms appear nowhere in the
document.

Every SHOULD in this document, other than the ones that talk about logging,
left me wondering why an implementer might decide not to follow that advice.
Since SHOULD presents a choice, I suggest including some guidance about why
it's a SHOULD, i.e., when one might decide not to do what it says and still
expect to interoperate.  Or should some of these really be MUSTs?

Mankamana : My understanding should gives more flexibility to implementation to make choices. And may not be good idea to make every thing MUST until without it protocol breaks. Is there any specific instance which you want to make MUST ?