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Re: draft-bourbaki-6man-classless-ipv6-00

Lorenzo Colitti <lorenzo@google.com> Fri, 09 June 2017 06:36 UTC

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From: Lorenzo Colitti <lorenzo@google.com>
Date: Fri, 09 Jun 2017 15:36:08 +0900
Message-ID: <CAKD1Yr3uEx3oY2RF6617cYufUMEehjdqXtVf5yf6kD_otVgLEA@mail.gmail.com>
Subject: Re: draft-bourbaki-6man-classless-ipv6-00
To: Fernando Gont <fgont@si6networks.com>
Cc: David Farmer <farmer@umn.edu>, Job Snijders <job@instituut.net>, Erik Kline <ek@google.com>, 6man WG <ipv6@ietf.org>, 神明達哉 <jinmei@wide.ad.jp>
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On Fri, Jun 9, 2017 at 1:24 PM, Fernando Gont <fgont@si6networks.com> wrote:

> > However, I think IPv6 implementations that don't support manual
> > configuration must be able to reject non-64 bit IIDs, since that is the
> > standard. Saying "SHOULD be 64 bits long" means they "MAY be /81, /99 or
> > /123", and those are against BCP 204 (RFC 7934).
>
> BCP204 talks about multiple addresses. As long as whatever prefix is
> employed allows for multiple addresses, I don't see how that goes
> against BCP204.


That's not true at all. As an example: see if you can build a network that
uses a /99 and satisfies the recommendations in section 8 or BCP 204.

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