Recommendation ITU-T Y.3114 (02/2022) Future networks including IMT-2020: requirements and functional architecture of lightweight core for dedicated networks
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 Overview
7 Requirements for lightweight core
     7.1 General requirements for lightweight core
     7.2 Service requirements for lightweight core
     7.3 Network capability requirements for lightweight core
8 Functional architecture of lightweight core
     8.1 Architecture reference model
     8.2 Lightweight core functions
          8.2.1 Control plane network functions
               8.2.1.1 Unified control function (UCF)
               8.2.1.2 Unified data function (UDF)
               8.2.1.3 Network intelligence function (NIF)
          8.2.2 User plane network functions
               8.2.2.1 Centralized user function (CUF)
               8.2.2.2 Edge user function (EUF)
     8.3 Functions external to lightweight core
          8.3.1 AI/ML overlay
          8.3.2 Access network (AN)
          8.3.3 User equipment (UE)
          8.3.4 Data network (DN)
          8.3.5 Management plane
          8.3.6 Service plane
9 Reference points of lightweight core
10 Procedures of lightweight core
     10.1 Registration management procedure
     10.2 Connection management procedure
     10.3 Session management procedure
     10.4 Handover procedure
     10.5 Capability exposure procedure
     10.6 Network slicing procedure
11 Security considerations
Bibliography
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