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

Brian E Carpenter <brian.e.carpenter@gmail.com> Tue, 06 June 2017 23:27 UTC

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Subject: Re: draft-bourbaki-6man-classless-ipv6-00
To: otroan@employees.org
Cc: Erik Kline <ek@google.com>, 6man WG <ipv6@ietf.org>
References: <20170602141112.x64nleqclygz7dwd@Vurt.local> <20170602141259.GD30896@gir.theapt.org> <CAKD1Yr0DtQYvCYLQexhXe_nhb5rjeyhnB4bCveqyO5Xbuwdg1A@mail.gmail.com> <CAKFn1SEdjhsQ3tKPZdbdfF4ArDzw-FZfjQT68gV55Fc-5vzBvw@mail.gmail.com> <CAKD1Yr3ppM0UF8HoN8PgS7F0iEmK26ebiuJK=tkAdZnuLWpkZg@mail.gmail.com> <CAKFn1SHASt34ihJmGN0iRFQQzLTMspZfxXHgBjBatXXcRYF4cw@mail.gmail.com> <20170604093119.nt733rb3ymmjssww@Vurt.local> <m1dHTLx-0000DcC@stereo.hq.phicoh.net> <CAKD1Yr0ZZwRar6D-2bkXBKPYehqqW99+BMtDOjyovR8WDXKzxw@mail.gmail.com> <CAD6AjGTjikAWutcenW8qn7OW8kPM9c_x_yDUy5vQxJmXKL85dg@mail.gmail.com> <91c3c0f4-eb8b-cdf7-b9c9-7d1eecb7fe64@gmail.com> <CAKD1Yr0_WR_TB+OC0U1Qt2h6WzUp9EGvrqC1ZKW2mwFeBd3bCQ@mail.gmail.com> <4021a559-5b6d-b3fb-19cd-afbe9041e8f2@gmail.com> <CAAedzxppjnBhVAHF4L4B7WTtwxPGhpOv8ruXOhm=zGwjQ5-OsA@mail.gmail.com> <780257e6-749e-ad9b-4d7a-08e39f46fd1c@gmail.com> <89A69730-B9F3-49B4-942D-EB664A728BDD@employees.org>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
Message-ID: <dc950594-cb1a-3c36-4538-3b62f58806ed@gmail.com>
Date: Wed, 07 Jun 2017 11:27:54 +1200
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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 ;-).

   Brian

> 
> Ole
>

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