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Re: [tae] [tsv-area] Transport negotiation

Stuart Cheshire <cheshire@apple.com> Wed, 10 December 2008 18:03 UTC

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From: Stuart Cheshire <cheshire@apple.com>
Date: Wed, 10 Dec 2008 10:02:32 -0800
To: Joe Touch <touch@ISI.EDU>
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Subject: Re: [tae] [tsv-area] Transport negotiation
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On 10 Dec, 2008, at 09:55, Joe Touch wrote:

> IMO, NATs need to understand the demultiplexing that is designed to be
> internal to a host exactly because of what a NAT is and what it  
> does. It
> doesn't make sense to be to bemoan that fact.
>
> Joe

I can't tell which side you are arguing. Do you believe that:

(a) demultiplexing (i.e. port numbers) should be duplicated by every  
transport layer, or
(b) demultiplexing (i.e. port numbers) should be done once, at a  
shared lower layer?

Stuart Cheshire <cheshire@apple.com>
* Wizard Without Portfolio, Apple Inc.
* Internet Architecture Board
* www.stuartcheshire.org

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