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Content for  TS 29.522  Word version:  17.7.0

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1  Scopep. 24

The present specification describes the protocol for the NEF Northbound interface between the NEF and the AF. The NEF Northbound interface and the related stage 2 functional requirements are defined in TS 23.502, TS 23.316, TS 23.288 and TS 23.548.

2  Referencesp. 24

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 23.502: "Procedures for the 5G system".
[3]
TS 23.501: "System Architecture for the 5G".
[4]
TS 29.122: "T8 reference point for northbound Application Programming Interfaces (APIs)".
[5]
OpenAPI: "OpenAPI Specification Version 3.0.0", https://spec.openapis.org/oas/v3.0.0.
[6]
TS 33.501: "Security architecture and procedures for 5G System".
[7]
TS 29.514: "5G System; Policy Authorization Service; Stage 3".
[8]
TS 29.571: "5G System; Common Data Types for Service Based Interfaces; Stage 3".
[9]
TS 29.521: "5G System; Binding Support Management Service; Stage 3".
[10]  Void.
[11]
TS 23.222: "Common API Framework for 3GPP Northbound APIs; Stage 2".
[12]
TS 29.222: "Common API Framework for 3GPP Northbound APIs; Stage 3".
[13]
RFC 6749:  "The OAuth 2.0 Authorization Framework".
[14]
TS 33.122: "Security Aspects of Common API Framework for 3GPP Northbound APIs".
[15]  Void.
[16]  Void
[17]
TS 29.503: "5G System; Unified Data Management Services; Stage 3".
[18]
TS 29.518: "5G System; Access and Mobility Management Services; Stage 3".
[19]
TS 29.554: "5G System; Background Data Transfer Policy Control Service; Stage 3".
[20]
TS 29.504: "5G System; Unified Data Repository Services; Stage 3".
[21]
TR 21.900: "Technical Specification Group working methods".
[22]
TS 29.523: "5G System; Policy Control Event Exposure Service; Stage 3".
[23]
TS 29.519: "5G System; Usage of the Unified Data Repository service for Policy Control Data, Application Data and Structured Data for Exposure; Stage 3".
[24]
TS 29.541: "5G System; Network Exposure (NE) function services for Non-IP Data Delivery (NIDD); Stage 3".
[25]
TS 29.542: "5G System, Session management services for Non-IP Data Delivery (NIDD); Stage 3".
[26]
TS 29.508: "5G System; Session Management Event Exposure Service; Stage 3".
[27]
TS 29.520: "5G System; Network Data Analytics Services; Stage 3".
[28]
TS 23.316: "Wireless and wireline convergence access support for the 5G system (5GS)".
[29]
TS 23.288: "Architecture enhancements for 5G System (5GS) to support network data analytics services".
[30]
TS 23.032: "Universal Geographical Area Description (GAD)".
[31]  Void
[32]
TS 29.501: "5G System; Principles and Guidelines for Services Definition; Stage 3".
[33]
TS 24.588: "Vehicle-to-Everything (V2X) services in 5G System (5GS); User Equipment (UE) policies; Stage 3".
[34]
TS 29.572: "5G System; Location Management Services; Stage 3".
[35]
TS 29.515: "5G System; Gateway Mobile Location Services; Stage 3".
[36]
TS 23.273: "5G System Location Services (LCS)".
[37]
TS 33.535: "Authentication and Key Management for Applications (AKMA) based on 3GPP credentials in the 5G System (5GS)".
[38]
TS 29.535: "5G System; AKMA Anchor Services; Stage 3".
[39]
TS 33.220: "Generic Authentication Architecture (GAA); Generic Bootstrapping Architecture (GBA)".
[40]
RFC 7542:  "The Network Access Identifier".
[41]
TS 29.512: "5G System; Session Management Policy Control Service; Stage 3".
[42]
TS 23.548: "5G System Enhancements for Edge Computing; Stage 2".
[43]
TS 29.534: "5G System; Access and Mobility Policy Authorization Service; Stage 3".
[44]
RFC 3986:  "Uniform Resource Identifier (URI): Generic Syntax".
[45]
IEEE Std 1588-2019: "IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control".
[46]
IEEE Std 802.1AS-2020: "IEEE Standard for Local and metropolitan area networks--Timing and Synchronization for Time-Sensitive Applications".
[47]
TS 29.536: "5G System; Network Slice Admission Control Services; Stage 3".
[48]
TS 24.526: "User Equipment (UE) policies for 5G System (5GS); Stage 3".
[49]
TS 24.555: "Proximity based services (ProSe) in 5G system (5GS); User Equipment (UE) policies; Stage 3".
[50]
TS 29.565: "5G System; Time Sensitive Communication and Time Synchronization Function Services; Stage 3".
[51]
IEEE 802.1Q: "Virtual Bridged Local Area Networks".
[52]
TS 29.532: "5G System; 5G Multicast-Broadcast Session Management Services; Stage 3".
[53]
TS 23.247: "Architectural enhancements for 5G multicast-broadcast services; Stage 2".
[54]
RFC 6733:  "Diameter Base Protocol".
[55]
TS 23.003: "Numbering, addressing and identification".
[56]
TS 33.558: "Security aspects of enhancement of support for enabling edge applications; Stage 2".
[57]
TS 29.510: "Network Function Repository Services; Stage 3".
[58]
TS 29.517: "5G System; Application Function (AF) event exposure service".
[59]
TS 26.531: "Data Collection and Reporting; General Description and Architecture".
[60]
TS 26.532: "Data Collection and Reporting; Protocols and Formats".
[61]
TS 29.564: "5G System; User Plane Function Services; Stage 3".
[62]
TS 23.040: "Technical realization of the Short Message Service (SMS)".
[63]
TS 29.537: "Multicast/Broadcast Policy Control Services; Stage 3".
[64]
TS 29.214: "Policy and Charging Control over Rx reference point".
[65]
TS 26.502: "5G multicast-broadcast services; User Service architecture".
[66]
TS 29.580: "Multicast/Broadcast Service Function Services; Stage 3".
[67]
TS 26.512: "5G Media Streaming (5GMS); Protocols".
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3  Definitions and abbreviationsp. 26

3.1  Definitionsp. 26

For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
Application AM context:
Information about the capabilities that an AF application requires from the access network for a registered UE. It is established by the AF before or during the use of the service that requires it.
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3.2  Abbreviationsp. 26

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
A-KID
AKMA Key IDentifier
A-TID
AKMA Temporary UE IDentifier
AAnF
AKMA Anchor Function
ACS
Auto-Configuration Server
AF
Application Function
AKMA
Authentication and Key Management for Applications
AM
Access and Mobility management
ASTI
Access Stratum TIme distribution
BDT
Background Data Transfer
CAPIF
Common API Framework
CP
Communication Pattern
DN
Data Network
DNAI
DN Access Identifier
DNN
Data Network Name
EAS
Edge Application Server
ECS
Edge Configuration Server
FQDN
Fully Qualified Domain Name
GMLC
Global Mobile Location Centre
GPSI
Generic Public Subscription Identifier
IPTV
Internet Protocol Television
KAF
AKMA Application Key
MBS
Multicast/Broadcast Service
MB-SMF
Multicast/Broadcast Session Management Function
MO-LR
Mobile Originated Location Request
NEF
Network Exposure Function
NSAC
Network Slice Admission Control
NSACF
Network Slice Admission Control Function
PCF
Policy Control Function
PCRF
Policy and Charging Rule Function
PFD
Packet Flow Description
PFDF
Packet Flow Description Function
REST
Representational State Transfer
SCEF
Service Capability Exposure Function
S-NSSAI
Single Network Slice Selection Assistance Information
SSM
Source Specific IP Multicast address
TAI
Traffic Area Identity
TMGI
Temporary Mobile Group Identity
TSC
Time Sensitive Communication
TSCAI
Time Sensitive Communication Assistance Information
TSCTSF
Time Sensitive Communication and Time Synchronization Function
UDR
Unified Data Repository
UP
User Plane
URSP
UE Route Selection Policy
WB
Wide Band
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