Rec. ITU-T H.644.2 (11/2019) Virtual content delivery network: Network virtualization
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
7 Functions and functional blocks related to network virtualization under VCDN architecture
     7.1 Functions and functional blocks in resource control functions
          7.1.1 Virtual network MANO functions
               7.1.1.1 Virtual network orchestrator functional block
               7.1.1.2 Virtual network application management functional block
               7.1.1.3 Virtual network resource control functional block
     7.2 Functions and functional blocks in resource functions
          7.2.1 Virtual network application functions
          7.2.2 Virtualized network resource
          7.2.3 Resource abstract layer
          7.2.4 Physical network resource
8 Network virtualization for VCDN
     8.1 CDN function virtualization coupled with SDN-based solution
          8.1.1 Tight coupled SDN-based network virtualization
          8.1.2 Loose coupled SDN-based network virtualization
     8.2 CDN node virtualized with the support of network virtualization system
          8.2.1 High-level functional architecture of CDN node virtualization
          8.2.2 The functional components within network virtualization system
               8.2.2.1 Virtual resource orchestrator
               8.2.2.2 Virtual resource management platform
               8.2.2.3 Virtual application
     8.3 CDN node virtualized with the support of network virtualization system and SDN controller
          8.3.1 High-level functional architecture of CDN node virtualization with SDN controller
          8.3.2 The functional components within network virtualization system and SDN controller
               8.3.2.1 Virtual resource orchestrator cooperated with SDN controller
               8.3.2.2 Virtual resource management platform
               8.3.2.3 Virtual application
               8.3.2.4 SDN controller functions
     8.4 CDN node virtualized with the support of network virtualization system and virtual SDN controller
          8.4.1 High-level functional architecture of CDN node virtualization with virtual SDN controller
          8.4.2 The functional components within network virtualization system and virtual SDN controller
               8.4.2.1 Virtual resource orchestrator cooperated with a virtual SDN controller
               8.4.2.2 Virtual resource management platform
               8.4.2.3 Virtual application
               8.4.2.4 Virtual SDN controller
9 Reference points
     9.1 Reference point M'
     9.2 Reference point C'
     9.3 Reference point V'
     9.4 Reference point N1'
     9.5 Reference point N2'
     9.6 Reference point A'
     9.7 Reference point D'
Appendix I  Use cases of network virtualization supporting VCDN services
     I.1 Virtualized CDN node deploy dynamically and flexibly
     I.2 Smart traffic control
     I.3 Rapid service deployment
     I.4 Unified configuration and management
Bibliography