Re: [v4v6interim] [46translation] [BEHAVE] Proposal for new BEHAVE charter

Iljitsch van Beijnum <iljitsch@muada.com> Thu, 23 October 2008 16:34 UTC

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From: Iljitsch van Beijnum <iljitsch@muada.com>
To: Cullen Jennings <fluffy@cisco.com>
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Cc: v4v6interim@ietf.org, 46Translation <46translation@employees.org>, Behave WG <behave@ietf.org>
Subject: Re: [v4v6interim] [46translation] [BEHAVE] Proposal for new BEHAVE charter
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On 23 okt 2008, at 18:06, Cullen Jennings wrote:

> If the mapping was purely and 1:1 mapping between internal and  
> external IPs I would agree with you but unfortunately, I worry that  
> meeting the requirement that drive section 4.4 of 4864 (privacy and  
> topology hiding) really complicate trying to do it with 1:1 mapping  
> at IP level.

But there is no reasonable way to make this work along with incoming  
sessions. Of course all the NAT traversal techniques also expose the  
information that is being hidden here. It's just not compatible with  
the IP model.

Wouldn't proxies be a more reasonable way to solve this than NAT?

About a NAT66 doc: before it's published, it must absolutely be  
reviewed in apps, behave, trans, int, v6ops and 6man.
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