Recommendation ITU-T Y.4489 (11/2023) Reference architecture of digital twin federation in smart cities and communities
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 Components for digital twin federation
     6.1 Registry
     6.2 Communication adaptor
     6.3 Digital twin
     6.4 Federated digital twin
     6.5 Application
     6.6 Object of interest
7 Reference architecture of digital twin federation
8 Functions and functional entities of registry
     8.1 Functions of the registry
     8.2 Functional entities of federation configuration support functions
          8.2.1 Digital twin registration functional entity (DTR-FE)
          8.2.2 Semantic dictionary functional entity (SD-FE)
          8.2.3 Digital twin discovery functional entity (DTD-FE)
9 Functions and functional entities of communication adaptor
     9.1 Functions of communication adaptor
     9.2 Functional entities of communication adaptation support functions
          9.2.1 Adaptation process functional entity (AP-FE)
          9.2.2 Protocol adaptation functional entity (PA-FE)
          9.2.3 Data format adaptation functional entity (DFA-FE)
          9.2.4 Semantic adaptation functional entity (SA-FE)
10 Functions and functional entities of digital twin
     10.1 Functions of digital twin
     10.2 General functions
     10.3 Functional entities of federation orchestration functions
          10.3.1 Federation management FE (FM-FE)
          10.3.2 Federation status information management FE (FSIM-FE)
          10.3.3 Feature information management FE (FIM-FE)
          10.3.4 Candidate feature information management FE (CFIM-FE)
          10.3.5 Federation communication FE (FC-FE)
          10.3.6 Communication status information management FE (CSIM-FE)
Annex A   Operation flows of digital twin federation
     A.1 Feature information registration between digital twin and registry
     A.2 Feature information registration between digital twins
     A.3 Candidate digital twin discovery
     A.4 Direct communication establishment
     A.5 Indirect communication establishment
     A.6 Direct information exchange
     A.7 Indirect information exchange
Bibliography