1. 55th IETF meeting, Atlanta, November 2002 Diameter Multimedia Application draft-johansson-aaa-diameter-mm-app-02.txt Maria-Carmen Belinchon maria.c.belinchon@ericsson.com Miguel-Angel Pallares Carolina Canales Peter J. McCann Jaakko Rajaniemi

2. 55th IETF meeting, Atlanta, November 2002 Diameter Multimedia Application Scope … Diameter application AuthenticationAuthorization Accounting SIP Allow a Diameter application to perform the Authentication, Authorization and the collection of Accounting information for Session Initiation Protocol (SIP) services rendered to a client node.

3. 55th IETF meeting, Atlanta, November 2002 Diameter Multimedia Application Network Architecture … OSP abc.com AAA xyz.com HSP xyz.com SSP xyz.com UAE bob@xyz.com SIP UAR/UAA LIR/LIA PPR/PPA MAR/MAA SAR/SAA RTR/RTA

4. 55th IETF meeting, Atlanta, November 2002 Diameter Multimedia Application Changes from v01... Alignment with Diameter Base Protocol v15 Alignment with “AAA Requirements for the Session Initiation Protocol” - draft- ietf-sipping-aaa-req-01.txt Way forward: WG item?