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Re: 6to4 using ::FFFF:0000:0000/96 (mail.comcast.net AAAA record weirdness)

To: Iljitsch van Beijnum <iljitsch@muada.com>
Subject: Re: 6to4 using ::FFFF:0000:0000/96 (mail.comcast.net AAAA record weirdness)
From: Florian Weimer <fw@deneb.enyo.de>
Date: Mon, 28 Jan 2008 10:52:30 +0100
Cc: Brian E Carpenter <brian.e.carpenter@gmail.com>, Kevin Day <toasty@dragondata.com>, Rémi Després <remi.despres@free.fr>, v6ops <v6ops@ops.ietf.org>
In-reply-to: <8D702FE8-F48E-4D3A-B162-F54D39B8F9E8@muada.com> (Iljitsch van Beijnum's message of "Mon, 28 Jan 2008 09:43:16 +0100")
References: <1960684A-584F-4754-A122-0940BC61DDC0@dragondata.com> <67099930801231003l648d3200k7c86be48d35b21ef@mail.gmail.com> <479CD34E.7010403@free.fr> <A3B8A0B7-7E54-4A88-8C07-29DD2CBE727E@dragondata.com> <479CF498.4090702@gmail.com> <88AA9D9F-603D-428A-8C05-1A41D56DFE80@dragondata.com> <479D51EB.5050707@gmail.com> <8D702FE8-F48E-4D3A-B162-F54D39B8F9E8@muada.com>

* Iljitsch van Beijnum:

> A point about Windows XP: the IPv4 and IPv6 stacks are separate. So XP
> can't generate IPv4 packets when applications use the IPv6 socket
> calls. This is of course highly suboptimal but this means that "simply
> generate IPv4 packets for ::ffff:x.x.x.x AAAA records" is not a
> natural choice.

They could add a route to a local process that implements a NAT-PT
gateway, I guess.

References:
- 6to4 using ::FFFF:0000:0000/96 (mail.comcast.net AAAA record weirdness)
  - From: Kevin Day <toasty@dragondata.com>
- Re: 6to4 using ::FFFF:0000:0000/96 (mail.comcast.net AAAA record weirdness)
  - From: "Erik Kline" <ekline@ekline.com>
- Re: 6to4 using ::FFFF:0000:0000/96 (mail.comcast.net AAAA record weirdness)
  - From: Kevin Day <toasty@dragondata.com>
- Re: 6to4 using ::FFFF:0000:0000/96 (mail.comcast.net AAAA record weirdness)
  - From: Brian E Carpenter <brian.e.carpenter@gmail.com>
- Re: 6to4 using ::FFFF:0000:0000/96 (mail.comcast.net AAAA record weirdness)
  - From: Kevin Day <toasty@dragondata.com>
- Re: 6to4 using ::FFFF:0000:0000/96 (mail.comcast.net AAAA record weirdness)
  - From: Brian E Carpenter <brian.e.carpenter@gmail.com>
- Re: 6to4 using ::FFFF:0000:0000/96 (mail.comcast.net AAAA record weirdness)
  - From: Iljitsch van Beijnum <iljitsch@muada.com>

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