Network-as-a-Service and network cloudification in the next generation Internet

Network-as-a-Service and network cloudification in the next generation Internet

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A fundamental strategy taken by the research for the next generation Internet lies in application of the service-orientation principle in the field of networking, which enables the as-a-Service paradigm that has been widely adopted in cloud computing, for example, Infrastructure-as-a-Service (IaaS) and Software-as-a-Service (SaaS), inside future networking systems. Therefore, such an approach to future network design is referred to as Network-as-a-Service (NaaS). NaaS is expected to play a crucial role in the next generation Internet that may introduce significant changes in both network architecture and service delivery model. The main objective of this chapter is to give a high-level overview of the NaaS concept with its key enabling technologies and to present the significant impact of NaaS on the development of Internet architecture and service model. The author hopes to provide readers with a big picture about the NaaS paradigm and its important role in the next generation Internet together with a holistic vision across networking and cloud computing for future service provisioning.

Chapter Contents:

  • Abstract
  • 1.1 Introduction
  • 1.2 The service-oriented architecture
  • 1.3 Evolution of the NaaS concept in networking technologies
  • 1.4 Virtualization in networking
  • 1.4.1 Network virtualization
  • 1.4.2 Network function virtualization
  • 1.5 Service-oriented networking
  • 1.5.1 General architecture for service-oriented networking
  • 1.5.2 Resource description and discovery in NaaS
  • 1.5.3 Network service composition in NaaS
  • 1.6 Software-defined network control and management for NaaS
  • 1.7 Network cloudification and network-cloud unification
  • 1.7.1 Network cloudification
  • 1.7.2 Unification of networking and cloud computing
  • 1.8 Conclusion
  • References

Inspec keywords: internetworking; cloud computing

Other keywords: service model; next generation Internet; service provisioning; service-orientation principle; Internet architecture; network-as-a-service; IaaS; service delivery model; SaaS; cloud computing; networking systems; software-as-a-service; network cloudification; NaaS; network architecture; infrastructure-as-a-service

Subjects: Other computer networks; Computer communications

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