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TS 29.512 CT3 ★
5GS — Session Management Policy Control Service

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Symbolic representation of 5GS Npcf services

Rapporteur: Mr. Zhou, Xiaoyun
See also:

TS 29.507 for the Npcf_AMPolicyControl Service
TS 29.514 for the Npcf_PolicyAuthorization Service
TS 29.523 for the Npcf_EventExposure Service
TS 29.525 for the Npcf_UEPolicyControl Service

The present document provides the stage 3 specification of the Npcf Session Management Policy Control Service of 5G system.

The Session Management Policy Control Service performs provisioning, update and removal of session related policies and PCC rules by the Policy Control Function (PCF) to the NF service consumer (i.e. SMF). The Session Management Policy Control Service can be used for charging control, policy control and/or application detection and control. Session Management Policy Control Service applies to the cases where the SMF interacts with the PCF in the non-roaming scenario, the V-SMF interacts with the V-PCF in the local breakout roaming scenario and the H-SMF interacts with the H-PCF in the home-routed scenario.

Npcf_SMPolicyControl

full Table of Contents for TS 29.512 Word version: 16.3.0

1 Scope Word-p. 10

3 Definitions, symbols and abbreviations Word-p. 11

3.1 Definitions

3.2 Abbreviations Word-p. 12

4 Npcf_SMPolicyControl Service Word-p. 13

4.1 Service Description

4.1.2 Service Architecture

4.1.3 Network Functions Word-p. 14

4.1.3.1 Policy Control Function (PCF)

4.1.3.2 NF Service Consumers

4.1.4.1 General

4.1.4.2 PCC rules Word-p. 15

4.1.4.2.1 PCC rules definition

4.1.4.2.2 PCC rules operation Word-p. 18

4.1.4.3 Session rule

4.1.4.3.1 Session rules definition

4.1.4.3.2 Session rules operation

4.1.4.4 Policy Decision types

4.1.4.4.1 General

4.1.4.4.2 Traffic control data definition Word-p. 19

4.1.4.4.3 QoS data definition

4.1.4.4.4 Charging data definition Word-p. 20

4.1.4.4.5 UsageMonitoring data definition

4.1.4.4.6 QoS Monitoring data definition [R16] Word-p. 21

4.1.5 Policy control request trigger

4.1.6 Requested rule data

4.1.7 Requested usage data Word-p. 22

4.1.8 Condition data

4.2 Service Operations

4.2.1 Introduction

4.2.2 Npcf_SMPolicyControl_Create Service Operation

4.2.2.1 General

4.2.2.2 SM Policy Association establishment Word-p. 23

4.2.2.3 Provisioning of charging related information for PDU session Word-p. 26

4.2.2.3.1 Provisioning of Charging Addresses

4.2.2.3.2 Provisioning of Default Charging Method

4.2.2.4 Provisioning of revalidation time Word-p. 27

4.2.2.5 Policy provisioning and enforcement of authorized AMBR per PDU session

4.2.2.6 Policy provisioning and enforcement of authorized default QoS

4.2.2.7 Provisioning of PCC rule for Application Detection and Control

4.2.2.8 3GPP PS Data Off Support

4.2.2.9 IMS Emergency Session Support Word-p. 28

4.2.2.10 Request Usage Monitoring Control

4.2.2.11 Access Network Charging Identifier report

4.2.2.12 Request for the successful resource allocation notification Word-p. 29

4.2.2.13 Request of Presence Reporting Area Change Report

4.2.2.14 Provisioning of IP Index Information

4.2.2.15 Negotiation of the QoS flow for IMS signalling

4.2.2.16 PCF resource cleanup

4.2.2.17 Access traffic steering, switching and splitting support [R16]

4.2.3 Npcf_SMPolicyControl_UpdateNotify Service Operation Word-p. 30

4.2.3.1 General

4.2.3.2 SM Policy Association Update request Word-p. 31

4.2.3.3 SM Policy Association termination request Word-p. 32

4.2.3.4 Provisioning of revalidation time

4.2.3.5 Policy provisioning and enforcement of authorized AMBR per PDU session

4.2.3.6 Policy provisioning and enforcement of authorized default QoS Word-p. 33

4.2.3.7 Provisioning of PCC rule for Application Detection and Control

4.2.3.8 3GPP PS Data Off Support

4.2.3.9 IMS Emergency Session Support

4.2.3.9.1 Provisioning of PCC rule

4.2.3.9.2 Removal of PCC Rules for Emergency Services Word-p. 34

4.2.3.10 Request of Access Network Information

4.2.3.11 Request Usage Monitoring Control

4.2.3.12 Ipv6 Multi-homing support

4.2.3.13 Request for the result of PCC rule removal

4.2.3.14 Access Network Charging Identifier request

4.2.3.15 Request for the successful resource allocation notification

4.2.3.16 PCC Rule Error Report

4.2.3.17 IMS Restoration Support Word-p. 35

4.2.3.18 P-CSCF Restoration Enhancement Support

4.2.3.19 Request of Presence Reporting Area Change Report Word-p. 36

4.2.3.20 Session Rule Error Report

4.2.3.21 Access traffic steering, switching and splitting support [R16]

4.2.3.22 Policy provisioning and enforcement of the AF session with required QoS [R16]

4.2.3.23 Forwarding of TSN information received from the AF [R16] Word-p. 37

4.2.3.24 TSN QoS configuration support [R16]

4.2.4 Npcf_SMPolicyControl_Update Service Operation

4.2.4.1 General

4.2.4.2 Requesting the update of the Session Management related policies Word-p. 38

4.2.4.3 Request the policy based on revalidation time Word-p. 40

4.2.4.4 Policy provisioning and enforcement of authorized AMBR per PDU session

4.2.4.5 Policy provisioning and enforcement of authorized default QoS Word-p. 41

4.2.4.6 Application detection information reporting

4.2.4.7 Indication of QoS Flow Termination Implications

4.2.4.8 3GPP PS Data Off Support Word-p. 42

4.2.4.9 Request and Report of Access Network Information

4.2.4.10 Request Usage Monitoring Control and Reporting Accumulated Usage Word-p. 43

4.2.4.11 Ipv6 Multi-homing support Word-p. 44

4.2.4.12 Request and report for the result of PCC rule removal

4.2.4.13 Access Network Charging Identifier request and report

4.2.4.14 Request and report for the successful resource allocation notification Word-p. 45

4.2.4.15 PCC Rule Error Report

4.2.4.16 Presence Reporting Area Information Report Word-p. 46

4.2.4.17 UE initiates a resource modification support

4.2.4.18 Trace Control Word-p. 48

4.2.4.19 Negotiation of the QoS flow for IMS signalling

4.2.4.20 Notification about Service Data Flow QoS target enforcement

4.2.4.21 Session Rule Error Report Word-p. 49

4.2.4.22 Request the termination of SM Policy association [R16]

4.2.4.23 Reporting of TSN information [R16]

4.2.4.24 Notification about Service Data Flow QoS Monitoring [R16] Word-p. 50

4.2.5 Npcf_SMPolicyControl_Delete Service Operation

4.2.5.1 General

4.2.5.2 SM Policy Association termination

4.2.5.3 Report Accumulated Usage Word-p. 51

4.2.5.4 Report Access Network Information

4.2.6 Provisioning and Enforcement of Policy Decisions

4.2.6.1 General

4.2.6.2 PCC Rules Word-p. 53

4.2.6.2.1 Overview

4.2.6.2.2 Gate function Word-p. 54

4.2.6.2.3 Policy enforcement for authorized QoS per PCC Rule

4.2.6.2.4 Redirect function

4.2.6.2.5 Usage Monitoring Control Word-p. 55

4.2.6.2.6 Traffic Steering Control support

4.2.6.2.6.1 Steering the traffic in the N6-LAN

4.2.6.2.6.2 Steering the traffic to a local access of the data network

4.2.6.2.7 Conditioned PCC rule Word-p. 57

4.2.6.2.8 PCC rule for resource sharing Word-p. 58

4.2.6.2.9 Resource reservation for services sharing priority Word-p. 59

4.2.6.2.10 PCC rule bound to the default QoS flow Word-p. 60

4.2.6.2.11 PCC rule for Application Detection and Control Word-p. 61

4.2.6.2.12 Provisioning of PCC Rules for Multimedia Priority Services

4.2.6.2.12.1 General

4.2.6.2.12.2 Invocation/Revocation of Priority PDU connectivity services Word-p. 62

4.2.6.2.12.3 Invocation/Revocation of IMS Multimedia Priority Services

4.2.6.2.13 Sponsored Data Connectivity Word-p. 63

4.2.6.2.14 Support for PCC rule versioning

4.2.6.2.15 Background data transfer support Word-p. 64

4.2.6.2.16 Number of supported packet filter for signalled QoS rule limitation support

4.2.6.2.17 Access traffic steering, switching and splitting support [R16]

4.2.6.2.18 QoS Monitoring to assist URLLC Service [R16] Word-p. 66

4.2.6.2.19 Provisioning of PCC Rules for Mission Critical Services [R16]

4.2.6.2.19.1 General

4.2.6.2.19.2 Invocation/Revocation of Priority PDU connectivity services Word-p. 67

4.2.6.2.19.3 Invocation/Revocation of IMS Mission Critical Services Word-p. 68

4.2.6.3 Session Rules

4.2.6.3.1 Overview

4.2.6.3.2 Conditioned Session rule Word-p. 69

4.2.6.3.2.1 General

4.2.6.3.2.2 Time conditioned authorized session AMBR Word-p. 70

4.2.6.3.2.3 Time conditioned authorized default QoS

4.2.6.3.2.4 Access type conditioned authorized session AMBR [R16]

4.2.6.3.3 Provisioning of authorized default QoS Word-p. 71

4.2.6.3.4 Access traffic steering, switching and splitting support [R16]

4.2.6.4 Policy control request triggers

4.2.6.5 Encoding of the request of information reporting Word-p. 72

4.2.6.5.1 Request of Access Network Charging Identifier

4.2.6.5.2 RAN NAS Cause Support

4.2.6.5.3 Provisioning of the Usage Monitoring Control Policy

4.2.6.5.4 Request for Access Network Information Word-p. 73

4.2.6.5.5 Request for the successful resource allocation notification Word-p. 74

4.2.6.5.6 Provisioning of Presence Reporting Area Information

4.2.6.5.7 Policy provisioning and enforcement of reflective QoS Word-p. 75

4.2.6.6 Authorized QoS

4.2.6.6.1 General

4.2.6.6.2 Policy provisioning and enforcement of authorized QoS per service data flow Word-p. 76

4.2.6.6.3 Policy provisioning and enforcement of authorized explicitly signalled QoS Characteristics Word-p. 77

4.2.7 Detection and handling of late arriving requests [R16]

4.2.7.1 Handling of requests which collide with an existing SM Policy Association

5 Npcf_SMPolicyControl Service API Word-p. 78

5.1 Introduction

5.2 Usage of HTTP

5.2.2 HTTP standard headers

5.2.2.1 General

5.2.2.2 Content type Word-p. 79

5.2.3 HTTP custom headers

5.2.3.1 General

5.2.3.2 3gpp-Sbi-Origination-Timestamp [R16]

5.4 Custom Operations without associated resources Word-p. 83

5.5 Notifications

5.5.2 Policy Update Notification

5.5.2.1 Description

5.5.2.2 Operation Definition

5.5.3 Request for termination of the policy association Word-p. 84

5.5.3.1 Description

5.5.3.2 Operation Definition

5.6.2 Structured data types Word-p. 89

5.6.2.1 Introduction

5.6.2.2 Type SmPolicyControl

5.6.2.3 Type SmPolicyContextData Word-p. 90

5.6.2.4 Type SmPolicyDecision Word-p. 92

5.6.2.5 Type SmPolicyNotification Word-p. 93

5.6.2.6 Type PccRule Word-p. 94

5.6.2.7 Type SessionRule Word-p. 96

5.6.2.8 Type QosData Word-p. 97

5.6.2.9 Type ConditionData Word-p. 98

5.6.2.10 Type TrafficControlData Word-p. 99

5.6.2.11 Type ChargingData Word-p. 100

5.6.2.12 Type UsageMonitoringData Word-p. 101

5.6.2.13 Type RedirectInformation Word-p. 102

5.6.2.14 Type FlowInformation

5.6.2.15 Type SmPolicyDeleteData Word-p. 103

5.6.2.16 Type QosCharacteristics

5.6.2.17 Type ChargingInformation Word-p. 104

5.6.2.18 Type AccuUsageReport

5.6.2.19 Type SmPolicyUpdateContextData Word-p. 105

5.6.2.20 Type UpPathChgEvent Word-p. 107

5.6.2.21 Type TerminationNotification

5.6.2.22 Type AppDetectionInfo

5.6.2.23 Type AccNetChId

5.6.2.24 Type RequestedRuleData Word-p. 108

5.6.2.25 Type RequestedUsageData

5.6.2.26 Type UeCampingRep

5.6.2.27 Type RuleReport Word-p. 109

5.6.2.28 Type RanNasRelCause

5.6.2.29 Type UeInitiatedResourceRequest

5.6.2.30 Type PacketFilterInfo Word-p. 110

5.6.2.31 Type RequestedQos

5.6.2.32 Type QosNotificationControlInfo

5.6.2.33 Type PartialSuccessReport Word-p. 111

5.6.2.34 Type AuthorizedDefaultQos

5.6.2.35 Type AccNetChargingAddress Word-p. 112

5.6.2.36 Type ErrorReport

5.6.2.37 Type SessionRuleReport

5.6.2.38 Type ServingNfIdentity

5.6.2.39 Type SteeringMode [R16] Word-p. 113

5.6.2.40 Type QosMonitoringData [R16] Word-p. 114

5.6.2.41 Type TsnBridgeInfo [R16] Word-p. 115

5.6.2.42 Type QosMonitoringReport [R16]

5.6.3 Simple data types and enumerations

5.6.3.1 Introduction

5.6.3.2 Simple data types Word-p. 116

5.6.3.3 Enumeration: FlowDirection

5.6.3.4 Enumeration: ReportingLevel

5.6.3.5 Enumeration: MeteringMethod

5.6.3.6 Enumeration: PolicyControlRequestTrigger Word-p. 117

5.6.3.7 Enumeration: RequestedRuleDataType Word-p. 120

5.6.3.8 Enumeration: RuleStatus

5.6.3.9 Enumeration: FailureCode Word-p. 121

5.6.3.10 Enumeration: AfSigProtocol Word-p. 122

5.6.3.11 Enumeration: RuleOperation

5.6.3.12 Enumeration: RedirectAddressType

5.6.3.13 Enumeration: QosFlowUsage Word-p. 123

5.6.3.14 Enumeration: FailureCause

5.6.3.15 Enumeration: FlowDirectionRm

5.6.3.16 Enumeration: CreditManagementStatus

5.6.3.17 Enumeration: SessionRuleFailureCode Word-p. 124

5.6.3.18 Enumeration: SteeringFunctionality [R16]

5.6.3.19 Enumeration: SteerModeValue [R16]

5.6.3.20 Enumeration: MulticastAccessControl [R16]

5.6.3.21 Enumeration RequestedQosMonitoringParameter [R16] Word-p. 125

5.6.3.22 Enumeration: ReportingFrequency [R16]

5.6.3.23 Enumeration: SmPolicyAssociationReleaseCause [R16]

5.6.3.24 Enumeration: PduSessionRelCause [R16]

5.7 Error handling Word-p. 126

5.7.2 Protocol Errors

5.7.3 Application Errors

5.8 Feature negotiation Word-p. 128

5.9 Security Word-p. 130

A (Normative) OpenAPI specification Word-p. 131

A.2 Npcf_SMPolicyControl API

B (Normative) 5GC and EPC interworking scenario support Word-p. 157

B.2 Npcf_SMPolicyControl Service

B.2.1 Service Description

B.2.1.1 Overview

B.2.1.2 Service Architecture

B.3 Service Operation Word-p. 158

B.3.1 Introduction

B.3.2 Npcf_SMPolicyControl_Create Service Operation

B.3.2.0 General

B.3.2.1 UE Location related information Word-p. 159

B.3.2.2 Access Type related information

B.3.3 Npcf_SMPolicyControl_UpdateNotify Service Operation

B.3.3.0 General

B.3.3.1 Policy Update When UE suspends

B.3.4 Npcf_SMPolicyControl_Update Service Operation Word-p. 160

B.3.4.0 General

B.3.4.1 Number of Supported Packet Filters Report

B.3.4.2 Policy Update When UE suspends Word-p. 161

B.3.4.2.1 Policy Update Error Report

B.3.4.2.2 UE State Change Report

B.3.4.3 UE Location related information

B.3.4.4 Presence Reporting Area Information Report Word-p. 162

B.3.4.5 Access Type related information

B.3.5 Npcf_SMPolicyControl_Delete Service Operation

B.3.5.1 General

B.3.6 Provisioning and Enforcement of Policy Decisions

B.3.6.1 QoS mapping perfomed by the SMF+PGW-C

B.3.6.2 Provisioning of Presence Reporting Area Information Word-p. 163

C (Normative) Wireless and wireline convergence access support [R16]

C.2 Npcf_SMPolicyControl Service

C.2.1 Service Description

C.2.1.1 Overview

C.2.1.2 Service Architecture

C.2.1.3 Network Functions Word-p. 164

C.2.1.3.1 Policy Control Function (PCF)

C.2.1.3.2 NF Service Consumers

C.2.1.4.1 PCC Rules

C.3 Service Operation

C.3.1 Introduction

C.3.2 Npcf_SMPolicyControl_Create Service Operation

C.3.2.1 General

C.3.2.2 IPTV service support Word-p. 165

C.3.3 Npcf_SMPolicyControl_UpdateNotify Service Operation

C.3.3.1 General

C.3.3.2 IPTV service support

C.3.4 Npcf_SMPolicyControl_Update Service Operation

C.3.4.1 General

C.3.5 Npcf_SMPolicyControl_Delete Service Operation

C.3.5.1 General

C.3.6 Provisioning and Enforcement of Policy Decisions Word-p. 166

C.3.6.1 IPTV service support

D Change history Word-p. 167