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Re: Stupid ULA discussion

Erik Nordmark <erik.nordmark@sun.com> Wed, 05 December 2007 23:02 UTC

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Date: Wed, 05 Dec 2007 15:01:50 -0800
From: Erik Nordmark <erik.nordmark@sun.com>
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To: Suresh Krishnan <suresh.krishnan@ericsson.com>
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Cc: Iljitsch van Beijnum <iljitsch@muada.com>, IETF IPv6 Mailing List <ipv6@ietf.org>
Subject: Re: Stupid ULA discussion
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Suresh Krishnan wrote:

> Please do not suggest anything remotely close to this. The v4 mapped v6 address 
> space is for API compatibility purposes only (i.e. use AF_INET6 with 
> v4 addresses). These addresses should never ever appear on the wire.

Never say never. RFC 2765 - a proposed standard - do send them on the wire.

Whether this is a good or bad idea is a different matter - I just wanted 
to point out we have a PS on the books which uses them.

    Erik

> For more information see section 2.2 of RFC4942 and 
> draft-itojun-v6ops-v4mapped-harmful-02.txt (expired draft - google it)
> 
> Cheers
> Suresh
> 
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