AAA Usage for IP Telephony with QoS H. Sinnreich, D. Rawlins, A. Johnston – MCI WorldCom Stephen Thomas - Transnexus <draft-sinnreich-aaa-interdomain-sip-qos-osp-00.txt> <draft-johnston-sip-osp-token-00.txt > 6/30/2019 aaasipqos
AAA for Interdomain SIP Call with QoS Directory Directory OSP OSP Policy Server OSP Client OSP Server OSP Client Policy Server Clearinghouse COPS COPS Session PEP Session PEP SIP SIP SIP SIP SIP UAC SIP UAS SIP Proxy SIP UAS SIP UAC Client Client RSVP RSVP RSVP RSVP Host Edge Router Edge Router RSVP Host SIP Phone Domain 1 Transit Networks Domain 1 IP Telephony Gateway 6/30/2019 aaasipqos
Interdomain QoS Enabled Call Flows OSP Server Domain 2 1 <AuthReq> Domain 1 gets authorization 2 <AuthRsp> 3 INVITE token is carried here 4 Session Progress 183 SIP call setup D1 to D 2 5 180 Ringing 6 200 OK 7 ACK 8 PATH RSVP setup D1 to D 2 9 RESV 10 RSV-CONF 11 PATH RSVP setup D2 to D 1 12 RESV 13 RSV-CONF Call is set up 14 RTP flows are established 15 BYE SIP BYE D1 to D2 16 200 OK 17 PATHTEAR RSVP PATHTEAR 18 PATHTEAR 19 <UsageInd> OSP Usage Reporting 21 <UsageInd> 20 <UsageCnf> 22 <UsageCnf> 6/30/2019 aaasipqos
Domain of Service Provider AAA Model for SIP QoS SIP UAC SIP UAS AAA and Policy RSVP Router Host Inter- domain AAA IP Comm. Client Domain of Service Provider 1a 2a 3a 6a 5a 4a 1p 2p 1r 2r 4r 3r Directory 6/30/2019 aaasipqos
Call Flow Example: Pull Model for QoS Enabled SIP1 POL1 CH POL2 GWY SIP2 R2 R1 1 INVITE 2 REQ OSP 4 <AuthRsp> 3 <AuthReq> 5 DEC 6 INVITE 7 INVITE 19 180 20 180 21 180 28 PATH 29 PATH 30 PATH 31 RESV 33 RESV 32 RESV 34 RESV-CONF 35 RESV-CONF 36 RESV-CONF 37 PATH 39 PATH 38 PATH 40 RESV 41 RESV 42 RESV 43 RESV-CONF 45 RESV-CONF 44 RESV-CONF 22 200 OK 23 200 OK 24 200 OK 25 ACK 26 ACK 27 ACK Direction 1 Direction 2 RSVP Signaling Telephony Signaling SIP Phone 9 REQ LDP 10 DEC LDP 11 RPT 12 DEC 13 183 17 DEC 15 DEC 16 RPT 18 183 14 REQ LDP 8 183 6/30/2019 aaasipqos
QoS Enabled Push Policy Call Teardown 6/30/2019 aaasipqos
OSP Usage Indication for Accounting 6/30/2019 aaasipqos