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TS 29.514 (CT3) ★
5GS — Policy Authorization Services

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V16.2.0 (Wzip) 2019/09 127 p.

V15.5.0 (PDF) 2019/09 86 p.

Symbolic representation of 5GS Npcf services

Rapporteur: Miss Garcia Azorero, Fuencisla
See also:

TS 29.507
TS 29.512
TS 29.523
TS 29.525

The present specification provides the stage 3 definition of the Npcf Policy Authorization Service of the 5G System. This service creates policies as requested by the authorised AF for the PDU Session to which the AF session is bound.

Npcf_PolicyAuthorization

full Table of Contents for TS 29.514 Word version: 16.2.0

1 Scope Word-p. 9

3 Definitions and abbreviations Word-p. 11

3.1 Definitions

3.2 Abbreviations

4 Npcf_PolicyAuthorization Service Word-p. 12

4.1 Service Description

4.1.2 Service Architecture

4.1.3 Network Functions Word-p. 13

4.1.3.1 Policy Control Function (PCF)

4.1.3.2 NF Service Consumers

4.2 Service Operations Word-p. 14

4.2.1 Introduction

4.2.2 Npcf_PolicyAuthorization_Create service operation

4.2.2.1 General

4.2.2.2 Initial provisioning of service information Word-p. 15

4.2.2.3 Gate control Word-p. 18

4.2.2.4 Initial Background Data Transfer policy indication

4.2.2.5 Initial provisioning of sponsored connectivity information Word-p. 19

4.2.2.6 Subscriptions to Service Data Flow QoS notification control Word-p. 20

4.2.2.7 Subscription to Service Data Flow Deactivation

4.2.2.8 Initial provisioning of traffic routing information

4.2.2.10 Subscription to resources allocation outcome Word-p. 21

4.2.2.12 Invocation of Multimedia Priority Services Word-p. 22

4.2.2.13 Support of content versioning

4.2.2.14 Request of access network information [R16]

4.2.2.15 Initial provisioning of service information status [R16] Word-p. 23

4.2.2.16 Provisioning of signalling flow information [R16]

4.2.2.17 Support of resource sharing [R16] Word-p. 24

4.2.2.18 Indication of Emergency traffic [R16]

4.2.2.19 Invocation of MCPTT [R16]

4.2.2.20 Invocation of MCVideo [R16] Word-p. 25

4.2.2.21 Priority sharing indication [R16]

4.2.2.22 Subscription to Out of Credit notification [R16]

4.2.3 Npcf_PolicyAuthorization_Update service operation Word-p. 26

4.2.3.1 General

4.2.3.2 Modification of service information

4.2.3.3 Gate control Word-p. 29

4.2.3.4 Background Data Transfer policy indication at policy authorization update

4.2.3.5 Modification of sponsored connectivity information

4.2.3.6 Modification of Subscription to Service Data Flow QoS notification control Word-p. 30

4.2.3.7 Modification of Subscription to Service Data Flow Deactivation

4.2.3.8 Update of traffic routing information Word-p. 31

4.2.3.10 Modification of subscription to resources allocation outcome

4.2.3.12 Modification of Multimedia Priority Services Word-p. 32

4.2.3.13 Support of content versioning

4.2.3.14 Request of access network information [R16]

4.2.3.15 Modification of service information status [R16] Word-p. 33

4.2.3.16 Support of SIP forking [R16]

4.2.3.17 Provisioning of signalling flow information [R16]

4.2.3.18 Support of resource sharing [R16]

4.2.3.19 Modification of MCPTT [R16] Word-p. 34

4.2.3.20 Modification of MCVideo [R16]

4.2.3.21 Priority sharing indication [R16]

4.2.3.22 Modification of Subscription to Out of Credit notification [R16]

4.2.4 Npcf_PolicyAuthorization_Delete service operation Word-p. 35

4.2.4.1 General

4.2.4.2 AF application session context termination

4.2.4.3 Reporting usage for sponsored data connectivity Word-p. 36

4.2.4.5 Termination of Multimedia Priority Services

4.2.4.6 Request and report of access network information [R16]

4.2.4.7 Termination of MCPTT [R16] Word-p. 37

4.2.4.8 Termination of MCVideo [R16]

4.2.4.9 Priority sharing indication [R16]

4.2.5 Npcf_PolicyAuthorization_Notify service operation Word-p. 38

4.2.5.1 General

4.2.5.2 Notification about application session context event

4.2.5.3 Notification about application session context termination Word-p. 39

4.2.5.4 Notification about Service Data Flow QoS notification control Word-p. 40

4.2.5.5 Notification about Service Data Flow Deactivation

4.2.5.6 Reporting usage for sponsored data connectivity Word-p. 41

4.2.5.8 Notification about resources allocation outcome

4.2.5.10 Notification of signalling path status [R16] Word-p. 42

4.2.5.11 Reporting access network information [R16]

4.2.5.12 Notification about Out of Credit [R16] Word-p. 43

4.2.6 Npcf_PolicyAuthorization_Subscribe service operation

4.2.6.1 General

4.2.6.2 Handling of subscription to events for the existing application session context Word-p. 44

4.2.6.3 Initial subscription to events without provisioning of service information Word-p. 45

4.2.6.4 Subscription to usage monitoring of sponsored data connectivity Word-p. 46

4.2.6.6 Request of access network information [R16] Word-p. 47

4.2.6.7 Subscription to notification of signalling path status [R16]

4.2.7 Npcf_PolicyAuthorization_Unsubscribe service operation Word-p. 48

4.2.7.1 General

4.2.7.2 Unsubscription to events

5 Npcf_PolicyAuthorization Service API Word-p. 49

5.1 Introduction

5.2 Usage of HTTP

5.2.2 HTTP standard headers Word-p. 50

5.2.2.1 General

5.2.2.2 Content type

5.2.3 HTTP custom headers

5.3.1 Resource Structure

5.3.2 Resource: Application Sessions (Collection) Word-p. 51

5.3.2.1 Description

5.3.2.2 Resource definition

5.3.2.3 Resource Standard Methods

5.3.2.4 Resource Custom Operations Word-p. 52

5.3.3 Resource: Individual Application Session Context (Document)

5.3.3.1 Description

5.3.3.2 Resource definition

5.3.3.3 Resource Standard Methods

5.3.3.3.2 PATCH Word-p. 53

5.3.3.4 Resource Custom Operations Word-p. 54

5.3.3.4.1 Overview

5.3.3.4.2 Operation: delete

5.3.3.4.2.1 Description

5.3.3.4.2.2 Operation Definition

5.3.4 Resource: Events Subscription (Document)

5.3.4.1 Description

5.3.4.2 Resource definition

5.3.4.3 Resource Standard Methods Word-p. 55

5.3.4.3.2 DELETE

5.3.4.4 Resource Custom Operations [R16] Word-p. 56

5.4 Custom Operations without associated resources

5.5 Notifications

5.5.2 Event Notification

5.5.2.1 Description

5.5.2.2 Target URI

5.5.2.3 Standard Methods Word-p. 57

5.5.3 Termination Request

5.5.3.1 Description

5.5.3.2 Target URI

5.5.3.3 Standard Methods

5.6 Data Model Word-p. 58

5.6.2 Structured data types Word-p. 62

5.6.2.1 Introduction

5.6.2.2 Type AppSessionContext

5.6.2.3 Type AppSessionContextReqData Word-p. 63

5.6.2.4 Type AppSessionContextRespData Word-p. 64

5.6.2.5 Type AppSessionContextUpdateData Word-p. 65

5.6.2.6 Type EventsSubscReqData Word-p. 66

5.6.2.7 Type MediaComponent Word-p. 67

5.6.2.8 Type MediaSubComponent Word-p. 69

5.6.2.9 Type EventsNotification Word-p. 70

5.6.2.10 Type AfEventSubscription Word-p. 71

5.6.2.11 Type AfEventNotification

5.6.2.12 Type TerminationInfo

5.6.2.13 Type AfRoutingRequirement

5.6.2.14 Type ResourcesAllocationInfo Word-p. 72

5.6.2.15 Type QosNotificationControlInfo

5.6.2.16 Type SpatialValidity

5.6.2.17 Type EthFlowDescription Word-p. 73

5.6.2.20 Type AnGwAddress Word-p. 74

5.6.2.21 Type Flows

5.6.2.22 Type TemporalValidity

5.6.2.24 Type AfRoutingRequirementRm Word-p. 75

5.6.2.25 Type EventsSubscReqDataRm

5.6.2.26 Type MediaComponentRm

5.6.2.27 Type MediaSubcomponentRm Word-p. 78

5.6.2.28 Type SpatialValidityRm Word-p. 79

5.6.2.29 Type ExtendedProblemDetails [R16]

5.6.2.30 Type AcceptableServiceInfo [R16]

5.6.2.31 Type UeIdentityInfo [R16]

5.6.2.32 Type AccessNetChargingIdentifier [R16] Word-p. 80

5.6.2.33 Type OutOfCreditInformation [R16]

5.6.3 Simple data types and enumerations

5.6.3.1 Introduction

5.6.3.2 Simple data types

5.6.3.3 Enumeration: MediaType Word-p. 81

5.6.3.4 Enumeration: ReservPriority

5.6.3.5 Enumeration: ServAuthInfo Word-p. 82

5.6.3.6 Enumeration: SponsoringStatus

5.6.3.7 Enumeration: AfEvent

5.6.3.8 Enumeration: AfNotifMethod Word-p. 83

5.6.3.9 Enumeration: QosNotifType

5.6.3.10 Enumeration: TerminationCause

5.6.3.12 Enumeration: FlowStatus Word-p. 84

5.6.3.13 Enumeration: MediaComponentResourcesStatus

5.6.3.14 Enumeration: FlowUsage

5.6.3.15 Enumeration: RequiredAccessInfo [R16]

5.6.3.16 Enumeration: ServiceInfoStatus [R16] Word-p. 85

5.6.3.17 Enumeration: SipForkingIndication [R16]

5.6.3.18 Enumeration: AfRequestedData [R16]

5.6.3.19 Enumeration: PreemptionControlInformation [R16]

5.6.3.20 Enumeration: PrioritySharingIndicator [R16] Word-p. 86

5.6.3.21 Enumeration: PreemptionControlInformationRm [R16]

5.7 Error handling

5.7.2 Protocol Errors

5.7.3 Application Errors

5.8 Feature negotiation Word-p. 87

5.9 Security Word-p. 88

A (Normative) OpenAPI specification Word-p. 90

A.2 Npcf_PolicyAuthorization API

B (Normative) IMS Related P-CSCF Procedures over N5 [R16] Word-p. 108

B.1 Provision of Service Information at P-CSCF

B.2 Enabling of IP Flows Word-p. 111

B.2.2 Gate control procedures considering the P-Early-Media header field

B.2.3 Gate control procedures based on the configuration in the P-CSCF Word-p. 113

B.3 Support for SIP forking

B.3.1 PCC rule provisioning for early media for forked responses

B.3.2 Updating the provisioned PCC rules at the final answer Word-p. 114

B.4 Notification of AF Signalling Transmission Path Status

B.5 Indication of Emergency Registration and Session Establishment Word-p. 115

B.6 Support for Early Session disposition SDP

B.6.2 Service Information Provisioning for Early Media

B.6.3 Updating the Provisioned Service Information when Dialogue is established Word-p. 116

B.7 Provision of Signalling Flow Information at P-CSCF Word-p. 117

B.8 Retrieval of network provided location information

B.8.2 Retrieval of network provided location information at originating P-CSCF for inclusion in SIP Request

B.8.3 Retrieval of network provided location information at originating P-CSCF for inclusion in SIP response confirmation Word-p. 118

B.8.4 Retrieval of network provided location information at terminating P-CSCF Word-p. 119

B.9 Resource Sharing Word-p. 120

B.10 Handling of MCPTT priority call

B.10.2 Determination of MCPTT priority parameter values Word-p. 121

B.11 Handling of MCVideo priority call

B.11.2 Determination of MCVideo priority parameter values Word-p. 122

C (Normative) Flow identifiers: Format definition and examples [R16]

C.1 Format of a flow identifier

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

E Change history Word-p. 125