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[renum] No flag day [was Initial thoughts and questions]

Brian E Carpenter <brian.e.carpenter@gmail.com> Thu, 02 December 2010 19:48 UTC

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Date: Fri, 03 Dec 2010 08:49:35 +1300
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: Teco Boot <teco@inf-net.nl>
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Subject: [renum] No flag day [was Initial thoughts and questions]
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On 2010-12-03 05:59, Teco Boot wrote:
...
> Most text I have seen is "renumber from old to new addresses". I think this
> is only part of the problem, as PA multi-homed, and thus multiple in-use 
> prefixes, will be common in the future. Even if a site wants to swap 
> from one prefix to another, it doesn't want to schedule a flag day. So we 
> have a gap here, the network has to support PA multi-homing, during the 
> transition period or as normal mode of operation.

I fully agree, and so does RFC4192. And actually, whatever people say,
the only standardised multi-PA multihoming protocol we have today
is shim6. We should check whether shim6 is OK for renumbering without
a flag day.

We should also check draft-troan-multihoming-without-nat66.

   Brian

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