ETSI TS 123 203 V15.5.0 (2019-10)

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Policy and charging control architecture (3GPP TS 23.203 version 15.5.0 Release 15)

RTS/TSGS-0223203vf50

General Information

• Status: Published
• Publication Date: 14-Oct-2019
• Technical Committee: 3GPP SA 2 - Architecture
• Current Stage: 12 - Completion
• Completion Date: 15-Oct-2019

Standards Content (Sample)

ETSI TS 123 203 V15.5.0 (2019-10)






TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
Universal Mobile Telecommunications System (UMTS);
LTE;
Policy and charging control architecture
(3GPP TS 23.203 version 15.5.0 Release 15)

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3GPP TS 23.203 version 15.5.0 Release 15 1 ETSI TS 123 203 V15.5.0 (2019-10)



Reference
RTS/TSGS-0223203vf50
Keywords
GSM,LTE,UMTS
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3GPP TS 23.203 version 15.5.0 Release 15 2 ETSI TS 123 203 V15.5.0 (2019-10)
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3GPP TS 23.203 version 15.5.0 Release 15 3 ETSI TS 123 203 V15.5.0 (2019-10)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 13
Introduction . 13
1 Scope . 14
2 References . 14
3 Definitions, symbols and abbreviations . 16
3.1 Definitions . 16
3.2 Abbreviations . 19
4 High level requirements . 20
4.1 General requirements . 20
4.2 Charging related requirements . 21
4.2.1 General . 21
4.2.2 Charging models . 21
4.2.2a Charging requirements . 21
4.2.3 Examples of Service Data Flow Charging . 23
4.3 Policy control requirements . 23
4.3.1 General . 23
4.3.2 Gating control . 23
4.3.3 QoS control . 24
4.3.3.1 QoS control at service data flow level. 24
4.3.3.2 QoS control at IP-CAN bearer level . 24
4.3.3.3 QoS Conflict Handling . 24
4.3.3.4 QoS control at APN level . 24
4.3.4 Subscriber Spending Limits . 25
4.4 Usage Monitoring Control . 25
4.5 Application Detection and Control . 25
4.6 RAN user plane congestion detection, reporting and mitigation . 27
4.7 Support for service capability exposure . 27
4.8 Traffic Steering Control . 27
4.9 Management of Packet Flow Descriptions in the PCEF/TDF using the PFDF . 27
5 Architecture model and reference points . 28
5.1 Reference architecture . 28
5.2 Reference points . 31
5.2.1 Rx reference point . 31
5.2.2 Gx reference point . 31
5.2.3 Reference points to subscriber databases . 32
5.2.3.1 Sp reference point . 32
5.2.3.2 Ud reference point . 32
5.2.4 Gy reference point . 32
5.2.5 Gz reference point . 32
5.2.6 S9 reference point . 32
5.2.7 Gxx reference point . 33
5.2.8 Sd reference point . 33
5.2.9 Sy reference point . 34
5.2.10 Gyn reference point . 34
5.2.11 Gzn reference point . 34
5.2.12 Np reference point . 34
5.2.13 Nt reference point . 34
5.2.14 St reference point . 35
5.2.15 Nu reference point . 35
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3GPP TS 23.203 version 15.5.0 Release 15 4 ETSI TS 123 203 V15.5.0 (2019-10)
5.2.16 Gw reference point. 35
5.2.17 Gwn reference point. 35
6 Functional description . 35
6.1 Overall description . 35
6.1.0 General . 35
6.1.1 Binding mechanism . 36
6.1.1.1 General . 36
6.1.1.2 Session binding . 36
6.1.1.3 PCC rule authorization and QoS rule generation . 37
6.1.1.4 Bearer Binding . 38
6.1.2 Reporting . 39
6.1.3 Credit management . 40
6.1.4 Event Triggers . 42
6.1.5 Policy Control . 47
6.1.6 Service (data flow) Prioritization and Conflict Handling . 48
6.1.7 Standardized QoS characteristics . 49
6.1.7.1 General . 49
6.1.7.2 Standardized QCI characteristics . 49
6.1.7.3 Allocation and Retention Priority characteristics . 56
6.1.8 Termination Action . 56
6.1.9 Handling of packet filters provided to the UE by PCEF/BBERF . 57
6.1.10 IMS Emergency Session Support . 58
6.1.10.1 Architecture model and Reference points . 58
6.1.10.2 PCC Rule Authorization and QoS rule generation . 58
6.1.10.3 Functional Entities . 58
6.1.10.3.1 PCRF . 58
6.1.10.3.2 PCEF . 58
6.1.10.3.3 P-CSCF . 59
6.1.10.4 PCC Procedures and Flows . 59
6.1.11 Multimedia Priority Service Support . 59
6.1.11.1 Architecture model and Reference points . 59
6.1.11.2 PCC rule authorization and QoS rule generation . 59
6.1.11.3 Priority EPS Bearer Service . 60
6.1.11.4 Bearer priority for IMS Multimedia Priority Services . 60
6.1.12 ADC rule authorization . 61
6.1.13 Redirection . 61
6.1.14 Resource sharing for different AF sessions . 61
6.1.15 Reporting of RAN user plane congestion information. 62
6.1.15.1 General . 62
6.1.15.2 Reporting restrictions . 62
6.1.15.3 UE mobility between RCAFs . 62
6.1.16 Negotiation for future background data transfer . 62
6.1.17 Traffic Steering Control . 63
6.1.18 PCC support of NBIFOM . 64
6.1.18.1 General . 64
6.1.18.2 NBIFOM impacts on IP-CAN procedures . 65
6.1.19 Resource reservation for services sharing priority . 67
6.1.20 Management of Packet Flow Descriptions using the PFDF . 68
6.1.21 3GPP PS Data Off . 69
6.2 Functional entities . 71
6.2.1 Policy Control and Charging Rules Function (PCRF) . 71
6.2.1.0 General . 71
6.2.1.1 Input for PCC decisions . 76
6.2.1.2 Subscription information management in the PCRF . 78
6.2.1.3 V-PCRF . 79
6.2.1.3.1 General . 79
6.2.1.3.2 V-PCRF and Home Routed Access . 79
6.2.1.3.3 V-PCRF and Visited Access (local breakout) . 80
6.2.1.4 H-PCRF . 81
6.2.1.4.1 General . 81
6.2.1.4.2 H-PCRF and Home Routed Access . 81
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3GPP TS 23.203 version 15.5.0 Release 15 5 ETSI TS 123 203 V15.5.0 (2019-10)
6.2.1.4.3 H-PCRF and Visited Access (Local Breakout) . 81
6.2.1.5 Handling of Multiple BBFs associated with the same IP-CAN session . 82
6.2.1.5.1 Handling of two BBFs associated with the same IP-CAN session during handover . 82
6.2.1.5.2 Handling of multiple BBFs with IP-CAN session flow mobility . 83
6.2.2 Policy and Charging Enforcement Function (PCEF) . 83
6.2.2.1 General . 83
6.2.2.2 Service data flow detection . 86
6.2.2.3 Measurement . 89
6.2.2.4 QoS control . 91
6.2.2.5 Application Detection . 91
6.2.2.6 Traffic steering . 91
6.2.3 Application Function (AF) . 92
6.2.4 Subscription Profile Repository (SPR) . 93
6.2.5 Online Charging System . 94
6.2.6 Offline Charging System (OFCS) . 94
6.2.7 Bearer Binding and Event Reporting Function (BBERF) . 94
6.2.7.1 General . 94
6.2.7.2 Service data flow detection . 94
6.2.7.3 QoS Control . 95
6.2.8 User Data Repository (UDR) . 95
6.2.9 Traffic Detection Function (TDF) . 95
6.2.9.1 General . 95
6.2.9.2 Traffic steering . 96
6.2.10 RAN Congestion Awareness Function (RCAF) . 96
6.2.11 Service Capability Exposure Function (SCEF) . 97
6.2.12 Traffic Steering Support Function (TSSF) . 97
6.2.13 Packet Flow Description Function (PFDF) . 97
6.3 Policy and charging control rule . 98
6.3.1 General . 98
6.3.2 Policy and charging control rule operations . 106
6.4 IP-CAN bearer and IP-CAN session related policy information . 107
6.4a TDF session related policy information . 109
6.4b APN related policy information . 110
6.5 Quality of Service Control rule . 112
6.5.1 General . 112
6.5.2 Quality of Service control rule operations . 113
6.6 Usage Monitoring Control specific information . 114
6.6.1 General . 114
6.6.2 Usage Monitoring Control operations. 115
6.7 S2c based IP flow mobility Routing rule . 115
6.7.1 General . 115
6.7.2 Routing rule operations . 116
6.8 Application Detection and Control Rule . 116
6.8.1 General . 116
6.8.2 Application Detection and Control rule operations over Sd .
...