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Design of service abstraction model for enhancing network provision in future network

The emerging research of SDN and NFV have been promising to provide flexibility in network provisioning based on service requirement. However, current network provision methods of SDN and NFV do not have a formalized model of describing dynamic requirement of the services. The usage of audio/video services may be the example of the services with dynamic requirement. The orchestrator of SDN and NFV needs to understand the service requirement in order to provision the network dynamically and systemically. Hence, innovative service abstraction is needed to model the service requirements. This paper describes our initial effort to design a service abstraction model for enhancing network provisioning in future network. We consider audio/video services as the target service of our initial service abstraction model and develop the XML based service abstraction model. Moreover, we present a communication mechanism to submit and deploy the XML-based service abstraction model to the orchestrator.