[Softwires] 4via6 use case where compatibility with single translation would be useful?

Rémi Després <despres.remi@laposte.net> Thu, 02 February 2012 09:32 UTC

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Date: Thu, 2 Feb 2012 10:32:13 +0100
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To: Maoke <fibrib@gmail.com>
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Subject: [Softwires] 4via6 use case where compatibility with single translation would be useful?
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Le 2012-02-01 à 03:04, Maoke a écrit :

> 2012/1/30 Rémi Després <despres.remi@laposte.net>
> Could you, for the sake of a less abstract discussion, describe at least one configuration you have in mind,
> to my best understanding, one of the merits of the translation approach is: when an end system changes its stack from ipv4 to ipv6, as long as the ipv4-translatable ipv6 address is applied, its peers in the past can keep using the same ipv4 address (as the temporal-unique identifier) to have access to it.
> i think this is a clear-enough use-case but if i still make any confusion, i may draw some pictures for you offline. 

This discussion IMHO deserves to remain online.
Could you, for this use case:
- indicate applicable mapping rules 
- clarify whether there is a NAT64 or not
(pictures don't seem necessary at this stage) 

We should be able to analyze what is won and what is lost compared to other solutions.