Re: [v6ops] applications that break across NAT64

"Dan Wing" <dwing@cisco.com> Thu, 23 September 2010 15:28 UTC

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From: Dan Wing <dwing@cisco.com>
To: 'Randy Bush' <randy@psg.com>
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Date: Thu, 23 Sep 2010 08:28:38 -0700
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Cc: 'IPv6 Ops WG' <v6ops@ietf.org>, behave@ietf.org
Subject: Re: [v6ops] applications that break across NAT64
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> >> Cameron, NAT64 also requires ALGs.
> > No, only for protocols that don't do their own NAT traversal.
> 
> this is engineering, not marketing.  the answer is
> 
>   yes, for protocols which do not do their own nat traversal
> 
> which is a non-trivial set
> 
> > FTP is a special case
> 
> and there are others, though many not as bad as ftp
> 
> i need nat64, but i need one where the difficulties are not glossed
> over, please.

Perhaps something for BEHAVE's "Analysis of NAT-PT considerations with
IPv6/IPv4 translation" milestone, which is the response to v6ops's RFC4966.
Should that document describe the problem generally, or enumerate
applications which break and which work?

-d