Session-Update-Request < Session-Id > { Origin-Host } { Origin-Realm } { Destination-Host} { Destination-Realm } { Auth-Application-Id } [ User-Name ] [ Anchor-AAA-Server ] [ Serving-AAA-Server ] [ Session-Update-Vector ] * [ Class ] [ Origin-State-Id ] * [ AVP ] * [ Proxy-Info ] * [ Route-Record ] |