Re: [Softwires] New version of 4rd-U - Header mapping (4rd-H vs 4rd-T)

Maoke <fibrib@gmail.com> Thu, 02 February 2012 03:26 UTC

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Date: Thu, 2 Feb 2012 12:26:35 +0900
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From: Maoke <fibrib@gmail.com>
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Subject: Re: [Softwires] New version of 4rd-U - Header mapping (4rd-H vs 4rd-T)
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2012/2/2 Rémi Després <despres.remi@laposte.net>

>
>
>
> to my best understanding, one of the merits of the translation approach
> is: when an end system changes its stack from ipv4 to ipv6,
>
>
> If it is on a V6-only network, isn't the end system already dual stack?
>

dual stack doesn't mean dual networking, which is costy in operation and
management.


> Then, if it needs to be reachable in IPv4, why would it change IPv6-only
> while the 4rd service remains available?
>

it need to be reachable in both IPv4 and native IPv6, and it is expected
that the latter will be more and more in the future.

- maoke


>
> RD
>