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Content for TS 29.215 Word version: 17.0.0

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4.1 Overview 4.2 Reference model 4.3 Functional elements 4.4 PCC, QoS, and IP flow mobility routing Rules and NBIFOM routing Rules 4.5 PCC procedures over S9 Reference Point 5.1 Protocol Support 5.2 Initialization, maintenance and termination of connection and session 5.3 S9 specific AVPs 5.4 S9 re-used AVPs 5.5 S9 Messages 5.6 S9 specific Experimental-Result-Code AVP values

4 S9 Reference Point p. 11

4.1 Overview p. 11

4.2 Reference model p. 11

4.3 Functional elements p. 12

4.3.1 H-PCRF p. 12

4.3.1.0 General |R12| p. 12

4.3.1.1 Home routed access p. 12

4.3.1.2 Visited Access p. 13

4.3.2 V-PCRF p. 13

4.3.2.0 General |R12| p. 13

4.3.2.1 Home routed access p. 13

4.3.2.2 Visited access p. 14

4.4 PCC, QoS, and IP flow mobility routing Rules and NBIFOM routing Rules p. 14

4.4.1 PCC Rule definition p. 14

4.4.2 QoS Rule definition p. 15

4.4.2a IP flow mobility routing Rule definition |R10| p. 15

4.4.2b Void

4.4.2c NBIFOM routing Rule definition |R13| p. 15

4.4.3 Operations on PCC rules p. 15

4.4.4 Operations on QoS Rules p. 15

4.4.5 Operations on IP flow mobility routing Rules |R10| p. 16

4.4.6 Void

4.4.7 Operations on NBIFOM routing Rules |R13| p. 16

4.5 PCC procedures over S9 Reference Point p. 16

4.5.1 General p. 16

4.5.1.1 S9 Session Establishment p. 17

4.5.1.2 S9 Session Termination p. 17

4.5.1.3 Event Triggers p. 17

4.5.1.3.1 Provisioning of Event Triggers p. 17

4.5.1.3.2 Reporting of deployed Event Triggers p. 18

4.5.1.4 Multiple BBERF scenarios p. 18

4.5.1.5 Provisioning and validation of Default EPS Bearer authorized QoS p. 18

4.5.1.6 Provisioning of Authorized QoS per APN p. 19

4.5.1.7 Bearer Control Mode Selection p. 20

4.5.1.8 Access Network Information Reporting |R10| p. 20

4.5.2 Home-Routed access p. 20

4.5.2.1 S9 Session/Subsession establishment/modification p. 20

4.5.2.2 Provision of QoS Rules by the H-PCRF p. 22

4.5.2.3 S9 Session/Subsession Termination Initiated by the V-PCRF p. 23

4.5.2.4 S9 Session/Subsession Termination Initiated by the H-PCRF p. 23

4.5.2.5 Multiple BBERF Handling p. 24

4.5.2.5.1 General |R10| p. 24

4.5.2.5.2 Handling of multiple BBERFs associated with the same IP-CAN session during handover |R10| p. 24

4.5.2.5.3 Handling of two BBERFs with flow mobility within the same IP-CAN session |R10| p. 25

4.5.2.6 Deferred Session Linking Handling p. 25

4.5.2.7 Session Linking Handling When Multiple PDN Connection to a single APN is supported |R9| p. 26

4.5.3 Visited Access p. 26

4.5.3.1 Request PCC and QoS Rules p. 26

4.5.3.2 PCC and QoS Rules Provisioning p. 29

4.5.3.3 S9 Session/Subsession Termination Initiated by V-PCRF. p. 31

4.5.3.4 S9 Session/Subsession Termination Initiated by the H-PCRF. p. 31

4.5.3.5 Multiple BBERF Handling p. 31

4.5.3.6 Rx Over S9 p. 32

4.5.3.6.1 General p. 32

4.5.3.6.2 Event Handling p. 32

4.5.3.6.2.1 V-AF Subscription to Notification of Signalling Path Status p. 32

4.5.3.6.2.2 Reporting of Signalling Path Status p. 32

4.5.3.6.2.3 Reporting IP-CAN Type Change Notification p. 33

4.5.3.7 Deferred Session Linking Handling p. 33

4.5.3.8 Session Linking Handling When Multiple PDN Connection to a single APN is supported |R9| p. 33

4.5.3.9 IP flow mobility support |R10| p. 34

4.5.3.10 Application Detection and Control |R11| p. 34

4.5.3.10.1 General p. 35

4.5.3.10.2 Void

4.5.3.10.3 Void

4.5.3.10.4 Application Detection Information p. 35

4.5.3.10.5 ADC Rule Derivation p. 36

4.5.3.11 NBIFOM support |R13| p. 36

4.5.4 IMS Emergency services |R9| p. 36

4.5.5 Extended bandwidth support for EPC supporting Dual Connectivity (E-UTRAN and 5G NR) |R15| p. 37

5 S9 Protocol p. 37

5.1 Protocol Support p. 37

5.2 Initialization, maintenance and termination of connection and session p. 37

5.3 S9 specific AVPs p. 38

5.3.0 General |R13| p. 38

5.3.1 Subsession-Decision-Info p. 38

5.3.2 Subsession-Enforcement-Info p. 39

5.3.3 Subsession-Id p. 40

5.3.4 Subsession-Operation p. 40

5.3.5 Void

5.3.6 Multiple-BBERF-Action p. 40

5.3.7 DRA-Deployment |R11| p. 41

5.3.8 DRA-Binding |R11| p. 41

5.4 S9 re-used AVPs p. 41

5.4.0 General |R13| p. 41

5.4.1 Use of the Supported-Features AVP on the S9 reference point p. 41

5.5 S9 Messages p. 44

5.5.1 S9 Application p. 44

5.5.2 CC-Request (CCR) Command p. 44

5.5.3 CC-Answer (CCA) Command p. 45

5.5.4 Re-Auth-Request (RAR) Command p. 45

5.5.5 Re-Auth-Answer (RAA) Command p. 46

5.5.7 Trigger-Establishment-Request (TER) Command |R11| p. 46

5.5.8 Trigger-Establishment-Answer (TEA) Command |R11| p. 47

5.6 S9 specific Experimental-Result-Code AVP values p. 47

5.6.1 General p. 47

5.6.2 Success p. 47

5.6.3 Permanent Failures p. 47

5.6.4 Transient Failures |R12| p. 47