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 Requirements of VCN in next generation network (NGN) evolution
6.1 Virtual infrastructure related requirements
6.2 VCNE related requirements
6.3 VCN management system related requirements
Appendix I – Scenarios concerning virtualization of control network entities in
NGN evolution
I.1 Auto-deployment of control network entity
I.2 Scaling
I.3 Self-healing
I.4 Hardware change without interrupting the service
I.5 Change of VCN system
I.6 Virtualized resource provision
Appendix II – Considerations concerning the virtualization of NGN entities
II.1 The virtualization technology provides benefits to the NGN
II.2 The implementation of virtualized NGN entities requires
enhancements
II.3 Virtualized NGN control network entities will co-exist with
non-virtualized NGN entities
II.4 The virtualization of NGN entities starts from the control
network entities
Bibliography