According to what I understand, it appears that Via is used to record the route that a request took and for those proxies that wish to be on the signaling path, of the response, they can add a Record-Route with their own address in the list of addresses of the Record-Route header.
1. Are proxies free to designate other proxies for the response path?
2. If this is always the case then are the Via addresses always a superset of the Record-Route addresses?
Thanks in advance for your clarification ( a quick ptr to the relevant section of the bis-03 spec and apologies for the mail if I missed the obvious).
Regards
Ranga.
-- M. Ranganathan Advanced Networking Technologies Divsion National Institute of Standards and Technology (NIST) 100 Bureau Drive, Stop 8920, Gaithersburg, MD 20899. Tel: 301 975 3664 ; Fax: 301 590 0932
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