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

Brian E Carpenter <brian.e.carpenter@gmail.com> Mon, 05 June 2017 22:25 UTC

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Subject: Re: draft-bourbaki-6man-classless-ipv6-00
To: Lorenzo Colitti <lorenzo@google.com>
Cc: Ca By <cb.list6@gmail.com>, Philip Homburg <pch-ipv6-ietf-4@u-1.phicoh.com>, IETF IPv6 Mailing List <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>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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Date: Tue, 06 Jun 2017 10:25:20 +1200
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On 05/06/2017 19:45, Lorenzo Colitti wrote:
> On Mon, Jun 5, 2017 at 8:05 AM, Brian E Carpenter <
> brian.e.carpenter@gmail.com> wrote:
> 
>> None of that is the point. The point is to establish
>> that routing is classless
> 
> 
> Routing is already classless because BCP 198.
> 
> 
>> and /64 is a parameter of specific addressing schemes.
>>
> 
> It *is* a parameter. The parameter's value is 64 for all unicast addresses
> except those starting with 000.

The parameter's *current* value, yes. But should we really be fixing
the value of the parameter once and for all in the addressing architecture?
Why don't we fix it in each IPv6-over-foo, which is what the SLAAC design
assumes?

   Brian

    Brian

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