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An IMS based Architecture Using SDN Controller

SDN 제어기를 사용한 IMS 기반 구조

  • Liu, Zeqi (School of Electrical, Electronics and Communication Engineering, Korea University of Technology and Education) ;
  • Lee, Jae-Oh (School of Electrical, Electronics and Communication Engineering, Korea University of Technology and Education)
  • 류택기 (한국기술교육대학교 전기전자통신공학부) ;
  • 이재오 (한국기술교육대학교 전기전자통신공학부)
  • Received : 2018.05.03
  • Accepted : 2018.08.03
  • Published : 2018.08.31

Abstract

The IP Multimedia Subsystem(IMS) is an architectural framework for delivering IP multimedia services to mobile users. In order to guarantee the reliability and Quality of Service(QoS) of a variety of multimedia services, we need a new evolutionary approach that maintains the IMS based signaling platform which can perform the processing of flow through distributed controllers. Software Defined Network(SDN) is an architecture purporting to be distributed, dynamic, cost-effectives as well as adapting and seeking to be suitable for the high-bandwidth, dynamic nature of today's applications. It requires some methods for the control plane to communication with the data plane. One of such mechanisms is OpenFlow which is a prominent standard protocol and interface that is responsible for managing the network resources by using the remote SDN controller. In this paper, we propose a straightforward approach for integrating SDN technology together with the IMS architecture. Therefore we propose and construct a combined architecture model that performs flow processing using OpenFlow via the IMS based signaling platform, which maintains the existing telecom call service. Additionally, we describe some relevant experimentation results from the proposed architecture.

Keywords

SDN;IMS;OpenFlow;QoS;SIP

Acknowledgement

Supported by : 한국기술교육대학교

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