Re: [Sip] RE: Delivering request-URI and parameters to UAS via proxy -new version of the draft-holmberg-sip-target-uri-delivery draft

["Joel M. Halpern" <[e-mail]>]

Maybe I am missing something simple.
But, as I said at the meeting when Jonathan's draft was discussed, the 
main problem I have with the proposed solution(s) relates to the 
distinction between retargeting and routing.  This distinction seems to 
be central to both proposals.
The description of the distinction looks clear enough in the abstract.
But when I try to analyze how a proxy would actually know which 
operation it is performing, it is not clear.  Sometimes I am sure it 
will "just work."  But the description, and thinking about the wide 
range of actual things proxies do, leaves me very uncertain as to the 
clarity.

So I would at least like to ask if other folks find the distinction 
sufficiently clear to be reliable for meeting the need.  My own hope had 
been that this process would either clarify the distinction or provide a 
different distinction which was clearer.

Again, I may be off in left field, but after reviewing the drafts again 
I felt I had to ask.

Joel



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