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 of NaaS functional architecture
6.1 Key NaaS characteristics
6.2 NaaS CSC activities
6.3 Virtualization of network functions
7 Functionalities for NaaS
7.1 NaaS business related functionalities
7.2 Functionalities for NaaS service instantiation
7.3 Functionalities for NaaS service orchestration
7.4 Functionalities for network analytics
7.5 Autonomic functionalities
7.6 Policy related functionalities
7.7 NaaS resource functionalities
7.8 Functionalities for an evolved real-time OSS
7.9 Functionalities for the development of NaaS products and NaaS
services
8 Functional components
8.1 Business support system functional components for NaaS products
8.2 Service layer functional components for NaaS
8.3 OSS functional components
8.4 Functional components for NaaS development support
9 Security considerations
Annex A – OSS reference points
Annex B – Functional components on mapping between physical and virtualized
networks
B.1 Physical network
B.2 Virtualized network
B.3 Physical-virtualized-networks mapping
Appendix I Mapping among NaaS functional requirements and functionalities
I.1 Mapping and derivation of functionality for NaaS service
instantiation
I.2 Mapping and derivation of functionality for service orchestration
I.3 Mapping and derivation of functionalities for network
analytics, policy, and autonomy
I.4 Mapping and derivation of functionality for mapping between
physical and virtualized networks
I.5 Mapping and derivation of functionalities for an evolved
real-time OSS
I.6 Mapping and derivation of functionalities for NaaS products and
NaaS services development
I.7 Mapping and derivation of functionalities related to NaaS
business
Appendix II – Modelling usage example of NaaS service, NaaS service operational
policy, and NaaS resource model
II.1 Introduction
II.2 Modelling usage
Appendix III – Relationship between NaaS functional architecture and SDN
Appendix IV – Example of NFV and SDN usage in support of NaaS architecture
Bibliography