Page 670 - Cloud computing: From paradigm to operation
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3 XaaS
Summary
Recommendation ITU-T Y.3515 provides Network as a Service (NaaS) functional architecture by specifying
functionalities and functional components as well as reference points for the operation support system (OSS).
This Recommendation also describes the mapping between functionalities and functional requirements of
NaaS, relationship between the NaaS functional architecture and software-defined networking (SDN), and
illustrated usage of SDN and network functions virtualization (NFV) in support of the NaaS functional
architecture.
Keywords
NaaS, NaaS functionality, NaaS functional architecture, NaaS functional component, NaaS product, network
as a service.
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