NaaS-enabled service composition in SDN environment

NaaS-enabled service composition in SDN environment

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This chapter focuses on conceiving a service composition framework supporting NaaS with the aid of software-defined networking. Specifically, the framework and software necessary for implementing the NaaS-enabled service composition is presented. It provides a comprehensive solution for jointly utilizing the resource of the networking and computing domain, which relies on the techniques of coordinate management, aggregation, controlling, and optimization. Then, several specific mechanisms are induced in the framework for the sake of providing multipath, multicast, and multi-domain routing service as a service component. A prototype system is constructed by integrating OpenFlow network of moderate scale and OpenStack. Experiments based on this prototype are conducted to demonstrate the applicability of the conceived framework.

Chapter Contents:

  • 10.1 Introduction
  • 10.2 Overview of service composition in SDN
  • 10.2.1 SDN and cloud in substrate layer
  • 10.2.2 NaaS in slice layer
  • Network connectivity
  • Routing rules and optimization
  • Network functions
  • 10.2.3 Service request graph in abstract layer
  • 10.2.4 Service composition
  • 10.3 NaaS-enabled framework for service composition
  • 10.3.1 Framework of service and resource management
  • 10.3.2 Design of multipath
  • 10.3.3 Multicast in SDN
  • 10.3.4 Multi-domain connectivity
  • 10.4 Use cases
  • 10.4.1 Use case 1: DASH-based streaming service
  • Prototype system
  • Preliminary result
  • 10.4.2 Use case 2: dynamic switching for multi-tree multicast
  • Prototype system
  • Preliminary result
  • 10.5 Conclusion
  • Acknowledgment
  • References

Inspec keywords: protocols; software defined networking

Other keywords: optimization technique; controlling technique; service component; computing domain resource utilization; OpenFlow network; multipath-multicast-multidomain routing service; NaaS-enabled service composition; SDN environment; aggregation technique; coordinate management; software-defined networking; OpenStack; networking resource utilization

Subjects: Computer networks and techniques; Computer communications; Protocols; Protocols

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