Rec. ITU-T H.644.3 (08/2020) Functional architecture of multimedia content delivery 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 Introduction
     6.1 An overview of the MCDN functional architecture
          6.1.1 Content distribution and delivery functions
          6.1.2 Content routing/redirecting functions
          6.1.3 Management functions
     6.2 Functional groups of the external system
          6.2.1 Content provider functions
          6.2.2 Application/service business management functions
          6.2.3 Network functions
          6.2.4 End-user functions
7 The high-levelled MCDN functional architecture
     7.1 Content distribution and delivery functions
          7.1.1 Content location and distribution functions (centre node)
               7.1.1.1 Content ingestion
               7.1.1.2 Content pre-processing
               7.1.1.3 Service load balance
               7.1.1.4 Content storage
               7.1.1.5 Content distribution
          7.1.2 Content delivery functions (edge node)
               7.1.2.1 Content service control
               7.1.2.2 Content processing
               7.1.2.3 Content service
               7.1.2.4 Service load balance
               7.1.2.5 Cache
          7.1.3 Aggregation functions (relay/middle node)
               7.1.3.1 Service load balance
               7.1.3.2 Cache
               7.1.3.3 Content distribution
     7.2 Management functions
          7.2.1 Content management
          7.2.2 Node management
          7.2.3 Network management
          7.2.4 Service configuration management
     7.3 Content routing/redirecting functions
          7.3.1 Global service load balance
          7.3.2 Request routing
8 Reference points
     8.1 External reference points
     8.2 Internal reference points
Appendix I  Examples of media transmission and service procedures
     I.1 Content access
          I.1.1 Content ingestion
          I.1.2 Content pre-ingestion
          I.1.3 Back-to-source
     I.2 Content distribution
     I.3 Content delivery
Appendix II  Implementation mechanisms related to the functions
     II.1 Content access mechanism
          II.1.1 Content access methods
               II.1.1.1 Content ingestion
               II.1.1.2 Content pre-ingestion
               II.1.1.3 Back-to-source
               II.1.1.4 Unique identification method
     II.2 Content distribution mechanism
          II.2.1 Content distribution methods
               II.2.1.1 Active distribution (Push mode)
               II.2.1.2 Passive distribution (Pull mode)
     II.3 Content routing mechanism
          II.3.1 DNS routing (GSLB)
          II.3.2 IP application layer routing (RR)
     II.4 Multimedia content location and streaming service mechanism
Appendix III  Authentication mechanisms
     III.1 Authentication mechanism in the edge node
     III.2 Double authentication mechanism in centre and edge node
Bibliography