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

Job Snijders <job@instituut.net> Tue, 06 June 2017 23:30 UTC

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In-Reply-To: <dc950594-cb1a-3c36-4538-3b62f58806ed@gmail.com>
From: Job Snijders <job@instituut.net>
Date: Tue, 06 Jun 2017 23:30:30 +0000
Message-ID: <CACWOCC93jbqhw+Pigjx5CdHcAmubcx=nQLbOOtjOb81+u6MQow@mail.gmail.com>
Subject: Re: draft-bourbaki-6man-classless-ipv6-00
To: Brian E Carpenter <brian.e.carpenter@gmail.com>, otroan@employees.org
Cc: 6man WG <ipv6@ietf.org>, Erik Kline <ek@google.com>
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On Tue, 6 Jun 2017 at 16:28, Brian E Carpenter <brian.e.carpenter@gmail.com>
wrote:

> On 07/06/2017 09:03, otroan@employees.org wrote:
> >>> The only thing meaningfully affected by removing 64bit IIDs...
> >>
> >> But that is exactly what the draft does *not* do. Nobody would
> >> change a single instruction in existing code as a result of this
> >> draft. (I agree with you that some O/S stacks may need fixing, but
> >> they already need fixing.)
> >
> > is this draft exactly:
> >
> >    IPv6 unicast routing is based on prefixes of any valid length up to
> >    128 [BCP198].  Interface Identifiers should be 64 bit long except
> >    when the addresses are manually configured, or by exceptions defined
> >    in standards track documents.  For example, [RFC6164] standardises
> >    127 bit prefixes on inter-router point-to-point links.  The rationale
> >    for using 64 bit Interface Identifiers can be found in [RFC7421]
> >
> > ?
>
> Yes. Put those words in 4291bis and I will be very happy. Oh ;-).



I recall a small but vocal group arguing fiercely against that text
adjustment, so here we are.

Kind regards,

Job

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