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

Lorenzo Colitti <lorenzo@google.com> Tue, 13 June 2017 08:06 UTC

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From: Lorenzo Colitti <lorenzo@google.com>
Date: Tue, 13 Jun 2017 17:05:49 +0900
Message-ID: <CAKD1Yr00y-7u=BuCzZJYanUYYPBtkzdaUscQbp9Bf6paXvZvVg@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 8:06 PM, Fernando Gont <fgont@si6networks.com> wrote:

> > 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.
>
> Could you explain why a 799 wouldn't satisfy bcp204?


You can't meet this recommendation with a /99:

   it is RECOMMENDED that the network
   give the host the ability to use new addresses without requiring
   explicit requests.  This can be achieved either by allowing the host
   to form new addresses autonomously (e.g., via SLAAC) or by providing
   the host with a dedicated /64 prefix.

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