Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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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
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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.

IMS는 모바일 사용자에게 IP 멀티미디어 서비스를 제공하기 위한 프레임워크이다. 분산 제어기를 통하여 플로우 처리를 수행하기 할 수 있는 IMS 기반 시그널링 플랫폼의 구성은 새로운 진화적 접근 방식으로 다양한 멀티미디어 서비스들의 신뢰성 및 QoS를 보장하기 위하여 필요하다. SDN은 분산 및 동적 그리고 고비용적인 아키텍처이며, 오늘날의 응용 프로그램을 위한 고대역폭 및 동적인 특성에 적합하도록 노력하고 있다. SDN은 제어 평면이 데이터 평면과 통신할 수 있는 방법을 요구한다. 이러한 방법들 중 하나는 OpenFlow이며, 이는 원격 SDN 제어기를 사용하여 네트워크 자원을 관리하는 대표적인 표준 프로토콜 및 인터페이스이다. 본 논문에서는 SDN 기술을 IMS 아키텍처와 통합하기 위한 직관한 방법을 제안한다. 따라서 기존 텔레콤 통화 서비스를 관리하는 IMS 기반 신호 플랫폼을 통하여, OpenFlow를 사용하여 플로우 처리를 수행하는 결합된 아키텍처 모텔을 제안하고 구축한다. 또한, 제안 구조로부터 얻은 적절한 실험 결과들을 설명한다.

Keywords

References

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