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

Alexandre Petrescu <alexandre.petrescu@gmail.com> Tue, 13 June 2017 14:03 UTC

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Subject: Re: draft-bourbaki-6man-classless-ipv6-00
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References: <20170602141112.x64nleqclygz7dwd@Vurt.local> <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> <34A29D4D-3670-40BC-B62E-85C4EABC55D5@employees.org> <6e03e25e-fd6a-6311-390e-4834281a76f7@si6networks.com> <1B580CBB-B29D-4860-9EC8-BECD1D5E0006@employees.org> <4b2f5200-86a1-7711-e5ff-7436572be467@gmail.com> <E02C4C99-155A-4358-A845-F00F8BB071C1@employees.org> <b3ca5271-21b1-ab33-2dff-82735ebe9128@gmail.com> <235143da452c4ff4aec39a26ba918e7e@XCH15-06-11.nw.nos.boeing.com> <1489a50a-2616-f9ac-4109-16c595e15f90@gmail.com> <FA3032F9-F44B-45B4-9AFF-01EBC84F1448@employees.org> <CAKFn1SEwRAL89PA82jdwK89ndiiDiH_QExeCAcyFT5U9-D_BKA@mail.gmail.com>
From: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Date: Tue, 13 Jun 2017 16:03:05 +0200
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Le 13/06/2017 à 11:03, Roger Jørgensen a écrit :
> On Sun, Jun 11, 2017 at 8:29 PM,  <otroan@employees.org> wrote:
> <snip>
>> To summarize:
>>   - There is no technical reason why SLAAC cannot be made ot work with arbitrary prefix lengths.
>>     (including very long prefixes, although it might take a while to find a non-duplicate if the addressing model
>>     moves from sparse to dense).
>>   - There is no technical reason to have a fixed IID length defined by data-link type.
>>   - Removing the constant from the addressing architecture will likely set these changes into motion.
>>     (i.e. I don't think a position where one wants to remove the 64 bit constant from 4291 and expect the 64 bit boundary
>>      to stay in IPv6 over foo is tenable.)
>>
>> If that's what we want. I believe we have to think quite hard about it and we need to consider the consequences quite hard.
> 
> what none so far (I might have missed it), have said anything about is
> the policy side of IPv6 down the line if we start messing with the
> 64bit constant. Can anyone summarize what else is based on the
> argument that 64bit is the LAN side of things?
> 
> whatever we do here will have wide scale effects. You can disagree or
> disagree but why should let's say RIPE continue using /32 or /29's?
> That argument is based on the amount of /48's and /56... which again
> lead down to /64.

Is RIPE agreeing that a cellular operator allocates a _single_ /64 per 
end-user?  Does RIPE understand the wide scale negative effects of such 
an agreement?

Alex

> 
> next thing we know is the routing table. Sure call me crazy, but why
> should there be a /48 constant there when we've removed the constants
> everywhere else?
> 
> 
>