Re: the race to the bottom problem

Fernando Gont <fgont@si6networks.com> Fri, 06 November 2020 10:50 UTC

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Subject: Re: the race to the bottom problem
To: Alexandre Petrescu <alexandre.petrescu@gmail.com>, otroan@employees.org, Gyan Mishra <hayabusagsm@gmail.com>
Cc: draft-mishra-6man-variable-slaac@ietf.org, 6man WG <ipv6@ietf.org>
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From: Fernando Gont <fgont@si6networks.com>
Message-ID: <f4635fa9-45ca-f7ec-40a2-41764e1ca74f@si6networks.com>
Date: Fri, 06 Nov 2020 07:36:17 -0300
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On 6/11/20 07:04, Alexandre Petrescu wrote:
> I have been reminded in private about 'race to the bottom'.
> 
> In the Variable SLAAC solution draft we do touch on the problem:
> 
>> The "race to the bottom problem" - is the problem where allowing 
>> prefixes longer than 64 to be used in SLAAC will lead to 65, 66 and so 
>> on, up to 127 and 128 allocations.  At that point the bottom
>> would be reached and thus impossible to extend the network further.
> 
> A solution is then proposed in section 8 titled "Greater than 64 bit
> prefix usage by ISPs is strictly prohibited".

Then we'd need an RFC for formally creating the Internet police/militia. 
  (possibly a very bad timing for an already bad idea).

Thanks,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492