5G; 5G System; Binding Support Management Service; Stage 3 (3GPP TS 29.521 version 17.5.0 Release 17)

RTS/TSGC-0329521vh50

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Published
Publication Date
04-Jul-2022
Current Stage
12 - Citation in the OJ (auto-insert)
Completion Date
05-Jul-2022
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ETSI TS 129 521 V17.5.0 (2022-07)
TECHNICAL SPECIFICATION
5G;
5G System;
Binding Support Management Service;
Stage 3
(3GPP TS 29.521 version 17.5.0 Release 17)
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3GPP TS 29.521 version 17.5.0 Release 17 1 ETSI TS 129 521 V17.5.0 (2022-07)
Reference
RTS/TSGC-0329521vh50
Keywords
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ETSI
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3GPP TS 29.521 version 17.5.0 Release 17 2 ETSI TS 129 521 V17.5.0 (2022-07)
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ETSI
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3GPP TS 29.521 version 17.5.0 Release 17 3 ETSI TS 129 521 V17.5.0 (2022-07)
Contents

Intellectual Property Rights ................................................................................................................................ 2

Legal Notice ....................................................................................................................................................... 2

Modal verbs terminology .................................................................................................................................... 2

Foreword ............................................................................................................................................................. 6

1 Scope ........................................................................................................................................................ 7

2 References ................................................................................................................................................ 7

3 Definitions and abbreviations ................................................................................................................... 8

3.1 Definitions .......................................................................................................................................................... 8

3.2 Abbreviations ..................................................................................................................................................... 8

4 Binding Support Management Service ..................................................................................................... 8

4.1 Service Description ............................................................................................................................................ 8

4.1.1 Overview ...................................................................................................................................................... 8

4.1.2 Service Architecture ..................................................................................................................................... 9

4.1.3 Network Functions ...................................................................................................................................... 10

4.1.3.1 Binding Support Function (BSF) .......................................................................................................... 10

4.1.3.2 NF Service Consumers .......................................................................................................................... 10

4.2 Service Operations ........................................................................................................................................... 11

4.2.1 Introduction................................................................................................................................................. 11

4.2.2 Nbsf_Management_Register Service Operation ......................................................................................... 12

4.2.2.1 General .................................................................................................................................................. 12

4.2.2.2 Register a new PCF for a PDU Session binding information................................................................ 12

4.2.2.3 Register a new PCF for a UE binding information ............................................................................... 15

4.2.3 Nbsf_Management_Deregister Service Operation ..................................................................................... 16

4.2.3.1 General .................................................................................................................................................. 16

4.2.3.2 Deregister an individual PCF for a PDU Session binding information ................................................. 16

4.2.3.3 Deregister an individual PCF for a UE binding information ................................................................. 17

4.2.4 Nbsf_Management_Discovery Service Operation ...................................................................................... 17

4.2.4.1 General .................................................................................................................................................. 17

4.2.4.2 Retrieve the PCF binding information for a PDU session..................................................................... 18

4.2.4.3 Retrieve the PCF binding information for a UE .................................................................................... 19

4.2.5 Nbsf_Management_Update Service Operation........................................................................................... 19

4.2.5.1 General .................................................................................................................................................. 19

4.2.5.2 Update an existing PCF for a PDU Session binding information ......................................................... 20

4.2.5.3 Update an existing PCF for a UE binding information ......................................................................... 21

4.2.6 Nbsf_Management_Subscribe Service Operation ...................................................................................... 22

4.2.6.1 General .................................................................................................................................................. 22

4.2.6.2 Creating a new subscription .................................................................................................................. 22

4.2.6.3 Modifying an existing subscription ....................................................................................................... 23

4.2.7 Nbsf_Management_Unsubscribe Service Operation .................................................................................. 24

4.2.7.1 General .................................................................................................................................................. 24

4.2.7.2 Unsubscription from event notifications ............................................................................................... 24

4.2.8 Nbsf_Management_Notify Service Operation ............................................................................................ 25

4.2.8.1 General .................................................................................................................................................. 25

4.2.8.2 Notification about subscribed events .................................................................................................... 25

5 Nbsf_Management Service API ............................................................................................................. 27

5.1 Introduction ...................................................................................................................................................... 27

5.2 Usage of HTTP ................................................................................................................................................. 27

5.2.1 General ........................................................................................................................................................ 27

5.2.2 HTTP standard headers ............................................................................................................................... 27

5.2.2.1 General .................................................................................................................................................. 27

5.2.2.2 Content type .......................................................................................................................................... 28

5.2.3 HTTP custom headers ................................................................................................................................. 28

5.2.3.1 General .................................................................................................................................................. 28

ETSI
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3GPP TS 29.521 version 17.5.0 Release 17 4 ETSI TS 129 521 V17.5.0 (2022-07)

5.3 Resources ......................................................................................................................................................... 28

5.3.1 Resource Structure ...................................................................................................................................... 28

5.3.2 Resource: PCF for a PDU Session Bindings .............................................................................................. 30

5.3.2.1 Description ............................................................................................................................................ 30

5.3.2.2 Resource definition ............................................................................................................................... 30

5.3.2.3 Resource Standard Methods .................................................................................................................. 31

5.3.2.3.1 POST ............................................................................................................................................... 31

5.3.2.3.2 GET ................................................................................................................................................. 31

5.3.3 Resource: Individual PCF for a PDU Session Binding ............................................................................... 32

5.3.3.1 Description ............................................................................................................................................ 32

5.3.3.2 Resource definition ............................................................................................................................... 32

5.3.3.3 Resource Standard Methods .................................................................................................................. 33

5.3.3.3.1 DELETE .......................................................................................................................................... 33

5.3.3.3.2 PATCH ............................................................................................................................................ 34

5.3.4 Resource: Binding Subscriptions ................................................................................................................ 35

5.3.4.1 Description ............................................................................................................................................ 35

5.3.4.2 Resource definition ............................................................................................................................... 35

5.3.4.3 Resource Standard Methods .................................................................................................................. 35

5.3.4.3.1 POST ............................................................................................................................................... 35

5.3.4.4 Resource Custom Operations ................................................................................................................ 36

5.3.5 Resource: Individual Binding Subscription ................................................................................................ 36

5.3.5.1 Description ............................................................................................................................................ 36

5.3.5.2 Resource definition ............................................................................................................................... 36

5.3.5.3 Resource Standard Methods .................................................................................................................. 36

5.3.5.3.1 PUT ................................................................................................................................................. 36

5.3.5.3.2 DELETE .......................................................................................................................................... 37

5.3.6 Resource Custom Operations ...................................................................................................................... 38

5.3.7 Resource: PCF for a UE Bindings .............................................................................................................. 38

5.3.7.1 Description ............................................................................................................................................ 38

5.3.7.2 Resource definition ............................................................................................................................... 38

5.3.7.3 Resource Standard Methods .................................................................................................................. 39

5.3.7.3.1 POST ............................................................................................................................................... 39

5.3.7.3.2 GET ................................................................................................................................................. 39

5.3.8 Resource: Individual PCF for a UE Binding .............................................................................................. 40

5.3.8.1 Description ............................................................................................................................................ 40

5.3.8.2 Resource definition ............................................................................................................................... 40

5.3.8.3 Resource Standard Methods .................................................................................................................. 40

5.3.8.3.1 DELETE .......................................................................................................................................... 40

5.3.8.3.2 PATCH ............................................................................................................................................ 41

5.4 Custom Operations without associated resources............................................................................................. 42

5.5 Notifications ..................................................................................................................................................... 42

5.5.1 General ........................................................................................................................................................ 42

5.5.2 BSF Notification ......................................................................................................................................... 42

5.5.2.1 Description ............................................................................................................................................ 42

5.5.2.2 Target URI ............................................................................................................................................ 43

5.5.2.3 Standard Methods ................................................................................................................................. 43

5.5.2.3.1 POST ............................................................................................................................................... 43

5.6 Data Model ....................................................................................................................................................... 44

5.6.1 General ........................................................................................................................................................ 44

5.6.2 Structured data types ................................................................................................................................... 45

5.6.2.1 Introduction ........................................................................................................................................... 45

5.6.2.2 Type PcfBinding ................................................................................................................................... 46

5.6.2.3 Type PcfBindingPatch .......................................................................................................................... 48

5.6.2.4 Type ParameterCombination................................................................................................................. 49

5.6.2.5 Type ExtProblemDetails ....................................................................................................................... 49

5.6.2.6 Type BindingRe sp ................................................................................................................................. 49

5.6.2.7 Type BsfSubscription ............................................................................................................................ 50

5.6.2.8 Type BsfNotification ............................................................................................................................. 50

5.6.2.9 Type BsfEventNotification ................................................................................................................... 51

5.6.2.10 Type PcfForUeBinding ......................................................................................................................... 52

5.6.2.11 Type PcfForUeBindingPatch ................................................................................................................ 52

5.6.2.12 Type SnssaiDnnPair .............................................................................................................................. 52

ETSI
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3GPP TS 29.521 version 17.5.0 Release 17 5 ETSI TS 129 521 V17.5.0 (2022-07)

5.6.2.13 Type PcfForUeInfo ............................................................................................................................... 53

5.6.2.14 Type PcfForPduSessionInfo .................................................................................................................. 53

5.6.3 Simple data types and enumerations ........................................................................................................... 53

5.6.3.1 Introduction ........................................................................................................................................... 53

5.6.3.2 Simple data types .................................................................................................................................. 53

5.6.3.3 Enumeration: BindingLevel .................................................................................................................. 54

5.6.3.4 Void....................................................................................................................................................... 54

5.6.3.5 Enumeration: BsfEvent ......................................................................................................................... 54

5.6.4 Data types describing alternative data types or combinations of data types ............................................... 54

5.6.4.1 Type: BsfSubscriptionResp ................................................................................................................... 54

5.7 Error handling .................................................................................................................................................. 55

5.7.1 General ........................................................................................................................................................ 55

5.7.2 Protocol Errors ............................................................................................................................................ 55

5.7.3 Application Errors ...................................................................................................................................... 55

5.8 Feature negotiation ........................................................................................................................................... 55

5.9 Security ............................................................................................................................................................ 56

Annex A (normative): OpenAPI specification ................................................................................... 57

A.1 General ................................................................................................................................................... 57

A.2 Nbsf_Management API .......................................................................................................................... 57

Annex B (informative): Deployment option to support BSF and DRA coexistence due to

network migration ......................................................................................... 71

Annex C (informative): Change history ............................................................................................... 72

History .............................................................................................................................................................. 76

ETSI
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3GPP TS 29.521 version 17.5.0 Release 17 6 ETSI TS 129 521 V17.5.0 (2022-07)
Foreword

This Technical Specification has been produced by the 3 Generation Partnership Project (3GPP).

The contents of the present document are subject to continuing work within the TSG and may change following formal

TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an

identifying change of release date and an increase in version number as follows:
Version x.y.z
where:
x the first digit:
1 presented to TSG for information;
2 presented to TSG for approval;
3 or greater indicates TSG approved document under change control.

y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections,

updates, etc.

z the third digit is incremented when editorial only changes have been incorporated in the document.

ETSI
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3GPP TS 29.521 version 17.5.0 Release 17 7 ETSI TS 129 521 V17.5.0 (2022-07)
1 Scope

The present specification provides the stage 3 definition of the Binding Support Management Service of the 5G System.

The 5G System Architecture is defined in 3GPP TS 23.501 [2]. The stage 2 definition and related procedures for

Binding Support Management Service is specified in 3GPP TS 23.502 [3] and 3GPP TS 23.503 [4].

The 5G System stage 3 call flows are provide
...

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