TS 29.273 – EPS AAA Reference Points and Procedures
3GPP TS 29.273 is the 3GPP Technical Specification for EPS AAA Reference Points and Procedures. Its official 3GPP title is “Evolved Packet System (EPS)”. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.2.0 in Rel-19.
Defines stage 3 protocol descriptions for multiple AAA reference points between non-3GPP accesses and AAA servers/proxies in EPS and 5GS, covering authentication, authorization, and service procedures.
Releases and versions of TS 29.273
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.2.0 | Read · Download (3GPP) |
| Rel-18 | 18.6.0 | Read · Download (3GPP) |
| Rel-17 | 17.6.0 | Read · Download (3GPP) |
| Rel-16 | 16.2.0 | Read · Download (3GPP) |
| Rel-15 | 15.4.0 | Read · Download (3GPP) |
| Rel-14 | 14.5.0 | Read · Download (3GPP) |
| Rel-13 | 13.8.0 | Read · Download (3GPP) |
| Rel-12 | 12.9.0 | Read · Download (3GPP) |
| Rel-11 | 11.11.0 | Read · Download (3GPP) |
| Rel-10 | 10.13.0 | Read · Download (3GPP) |
| Rel-9 | 9.15.0 | Read · Download (3GPP) |
| Rel-8 | 8.16.0 | Read · Download (3GPP) |
Scope of TS 29.273
Category: Core Network (AAA and Authentication). Technology generation: Multi-Gen. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
Protocols and interfaces
Protocols: Diameter, NAS
Interfaces: SWa, STa, SWd, SWx, S6b
Key use cases
- Non-seamless WLAN offload
- AAA authentication
- Service authorization
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Specifications referenced by TS 29.273
- TS 24.303 Dual-Stack MIPv6 Mobility Management
- TS 23.003 Numbering, Addressing and Identification
- TS 33.203 IMS Security Features and Mechanisms
- TS 29.230 3GPP Diameter Protocol Codes Specification
- TS 33.402 Security for non-3GPP access to EPS
- TR 21.905 3GPP Terminology and Definitions
- TS 29.228 IMS Cx and Dx Interface Procedures
- TS 29.212 Diameter-Based PCC Reference Points
- TS 29.229 Diameter Protocol for Cx/Dx Interfaces
- TS 24.302 Access to EPC via non-3GPP networks; Stage 3
- TS 29.272 MME and SGSN Diameter interfaces to HSS/CSS/EIR
- TS 32.299 Diameter Charging Applications for 3GPP
Specifications that reference TS 29.273
- TS 23.002 3GPP System Architecture Overview
- TS 29.002 Mobile Application Part (MAP) Specification
- TS 32.422 Trace, MDT and UE Measurement Control
- TS 29.274 GTPv2-C Control Plane Protocol
- TS 29.214 Rx Interface for Policy and Charging Control
- TS 32.299 Diameter Charging Applications for 3GPP
- TS 29.272 MME and SGSN Diameter interfaces to HSS/CSS/EIR
- TS 29.229 Diameter Protocol for Cx/Dx Interfaces
- TS 29.212 Diameter-Based PCC Reference Points
- TS 23.380 IMS Restoration Procedures
- TS 24.302 Access to EPC via non-3GPP networks; Stage 3
- TS 29.328 IMS Sh, Dh and Ph Interface Procedures
Other specifications in the 29 series
- TS 29.255 UAS-specific NAF Service Based Interface
- TS 29.256 UAS-NF NEF Service Protocols
- TS 29.257 UAS Application Enabler Server APIs
- TS 29.272 MME and SGSN Diameter interfaces to HSS/CSS/EIR
- TS 29.274 GTPv2-C Control Plane Protocol
- TS 29.275 PMIPv6 Mobility & Tunnelling Protocols Stage 3
- TS 29.276 EPS S101/S121/S103 Interfaces Stage 3
- TS 29.277 S102 Interface Protocol Specification
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 29.273?
3GPP TS 29.273 is the 3GPP Technical Specification for EPS AAA Reference Points and Procedures. Defines stage 3 protocol descriptions for multiple AAA reference points between non-3GPP accesses and AAA servers/proxies in EPS and 5GS, covering authentication, authorization, and service procedures.
Which 3GPP releases include TS 29.273?
TS 29.273 is published in 12 releases, from Rel-8 to Rel-19. The latest version on 3GPP Explorer is 19.2.0 (Rel-19).
What category does TS 29.273 belong to?
TS 29.273 belongs to the Core Network (AAA and Authentication) category of 3GPP specifications. It applies to Multi-Gen networks.
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