TS 29.521 – Binding Support Management Service
3GPP TS 29.521 is the 3GPP Technical Specification for Binding Support Management Service. Its official 3GPP title is “5G System; Binding Support Management Service; Stage 3”. It is published in 6 releases (Rel-15 to Rel-20); the latest version is 20.1.0 in Rel-20.
Defines the 5G BSF service for registering, discovering, updating, and notifying PCF binding information for PDU sessions, MBS sessions, and UEs.
Releases and versions of TS 29.521
| Release | Latest version | Links |
|---|---|---|
| Rel-20 | 20.1.0 | Read · Download (3GPP) |
| Rel-19 | 19.7.0 | Read · Download (3GPP) |
| Rel-18 | 18.7.0 | Read · Download (3GPP) |
| Rel-17 | 17.11.0 | Read · Download (3GPP) |
| Rel-16 | 16.11.0 | Read · Download (3GPP) |
| Rel-15 | 15.6.0 | Read · Download (3GPP) |
Scope of TS 29.521
Category: Services (Policy and Binding Management). Technology generation: 5G. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Specifications referenced by TS 29.521
- TS 29.571 5G Common Data Types
- TS 29.510 NRF Service-Based Interface
- TS 29.213 PCC Procedures and Flows
- TS 33.501 5G Security Architecture
- TS 23.527 5G Restoration Procedures for N4 Interface
- TR 21.900 3GPP Document Management Working Methods
- TS 23.316 Wireless and wireline convergence access support
- TR 21.905 3GPP Terminology and Definitions
- TS 29.512 Session Management Policy Control Service Stage 3
- TS 23.501 5G System Architecture
- TS 23.502 5G System Procedures
- TS 23.503 5G Policy and Charging Control Framework
Specifications that reference TS 29.521
- TS 29.522 NEF Northbound Interface
- TS 29.512 Session Management Policy Control Service Stage 3
- TS 29.513 5G PCC Signalling Flows
- TS 29.525 UE Policy Control Service
- TS 29.507 Access and Mobility Policy Control
- TS 29.565 TSCTSF Service-Based Interface
- TS 29.537 MBS Policy Control Services (Stage 3)
- TS 29.552 5G Network Data Analytics Procedures
Other specifications in the 29 series
- TS 29.517 AF Event Exposure Service
- TS 29.518 AMF Service Based Interface
- TS 29.519 5G UDR Policy and Application Data Services
- TS 29.520 5G NWDAF Services
- TS 29.522 NEF Northbound Interface
- TS 29.523 Policy Control Event Exposure Service
- TS 29.524 5GC to NAS Cause Mapping Specification
- TS 29.525 UE Policy Control Service
Frequently asked questions
What is 3GPP TS 29.521?
3GPP TS 29.521 is the 3GPP Technical Specification for Binding Support Management Service. Defines the 5G BSF service for registering, discovering, updating, and notifying PCF binding information for PDU sessions, MBS sessions, and UEs.
Which 3GPP releases include TS 29.521?
TS 29.521 is published in 6 releases, from Rel-15 to Rel-20. The latest version on 3GPP Explorer is 20.1.0 (Rel-20).
What category does TS 29.521 belong to?
TS 29.521 belongs to the Services (Policy and Binding Management) category of 3GPP specifications. It applies to 5G networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →