RE: [Sip] (no subject)

Yes, they have overlapping functions, but their implementation strategies
reflect two different sets of requirements for identity management in SIP.
The asserted-identity-02 assumes a 'walled-garden' hop-by-hop network of
trusted proxy servers (see the sipping-nai-reqs-02 document for more
details). draft-ietf-sip-identity-00 (which has superseded the
'draft-peterson' document below) attempts to find an end-to-end
cryptographic identity solution. For various reasons, the 'walled garden'
approach to identity was not considered suitable for widespread Internet
deployment; hence its reliance on P- headers and so on.

In fact, there is now some text at the beginning of sip-identity-00 that
briefly discusses the differences between its approach and the approach in
asserted-identity-02.

Jon Peterson
NeuStar, Inc.

> -----Original Message-----
> From: Janne Kario [mailto:jkario78@hotmail.com]
> Sent: Thursday, October 31, 2002 1:25 PM
> To: sip@ietf.org
> Subject: [Sip] (no subject)
> 
> 
> A quick question. What is the relation between
> 
> draft-ietf-sip-asserted-identity-02
> 
> and
> 
> draft-peterson-sip-identity-01
> 
> It seems to me that they have some overlapping functions.
> 
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