Re: [v6ops] draft-ietf-6man-grand : saving lookups

Bob Hinden <bob.hinden@gmail.com> Mon, 10 August 2020 14:58 UTC

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From: Bob Hinden <bob.hinden@gmail.com>
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Date: Mon, 10 Aug 2020 07:58:25 -0700
In-Reply-To: <89a4f4fc-7f4a-52c5-83b9-bd112f7a831a@foobar.org>
Cc: Bob Hinden <bob.hinden@gmail.com>, "Pascal Thubert (pthubert)" <pthubert@cisco.com>, "v6ops@ietf.org" <v6ops@ietf.org>, Philip Homburg <pch-v6ops-9@u-1.phicoh.com>, IPv6 List <ipv6@ietf.org>
To: Nick Hilliard <nick@foobar.org>
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Subject: Re: [v6ops] draft-ietf-6man-grand : saving lookups
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Nick,

> On Aug 10, 2020, at 2:36 AM, Nick Hilliard <nick@foobar.org> wrote:
> 
> Bob Hinden wrote on 10/08/2020 00:42:
>> I thought we learned long ago to not create large distributed broadcast/multicast domains.
> 
> We did, but what's disheartening is that people persistently use this model as rationale to justify a protocol change of one form or another.
> 
> Maybe we need an ID which states this explicitly: "Large broadcast domains considered harmful"?  As long as we have broadcast domains, people will be tempted to make them too large and will express surprise that they don't scale well.

I agree on both points.   I would be willing to help write such a draft, but think it would be better with authors who have direct operational experience.

Bob