Recommendation ITU-T Y.3204 (09/2023) Fixed, mobile and satellite convergence – Service continuity for IMT-2020 networks and beyond
Summary
History
FOREWORD
Table of Contents
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Scenarios of service continuity
     6.1 Overview
     6.2 Handover between fixed access and mobile access
     6.3 Handover between fixed access and satellite access
     6.4 Handover between mobile access and satellite access
     6.5 Handover between satellite accesses
     6.6 Inter MUE transfer
7 Requirements of service continuity
     7.1 Service requirements of service continuity
          7.1.1 Service requirements of VCC
          7.1.2 Service requirements of data service continuity
          7.1.3 Service requirements of vertical industry service continuity
     7.2 Network requirements of service continuity
          7.2.1 Network requirements of VCC
          7.2.2 Network requirements of data service continuity
          7.2.3 Network requirements of vertical industry service continuity
          7.2.4 Requirements of handover policy
8 Enablers for service continuity
     8.1 Overview
     8.2 Support of access transfer
     8.3 Support of VCC
     8.4 Support of data service continuity
     8.5 Support of vertical industry service continuity
     8.6 Support of handover policy
9 Network function enhancements of service continuity
     9.1 Enhancements to access network
     9.2 Enhancements to core network control plane
          9.2.1 Enhancements to the NACF
          9.2.2 Enhancements to the SMF
          9.2.3 Enhancements to the PCF
          9.2.4 Enhancements to the NFR
          9.2.5 Enhancements to the AF
          9.2.6 Enhancements to the service handover component
     9.3 Enhancements to the core network user plane
     9.4 Enhancements to the IMS
10 Procedures of service continuity
     10.1 Procedure of access transfer
     10.2 Procedure of VCC
     10.3 Procedure of data service continuity
     10.4 Procedure of vertical industry service continuity
11 Security considerations
Bibliography