Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Performance Evaluation of Hybrid Distributed Mobility Management

하이브리드 분산 이동성 관리 방식의 성능 평가

  • Wie, Sunghong (Department of Electrical and Electronic Engineering, The Cyber University of Korea) ;
  • Jang, Jaeshin (Department of Electronic Telecommunications, Mechanical & Automotive Engineering, Inje University)
  • Received : 2017.06.22
  • Accepted : 2017.08.07
  • Published : 2017.10.31
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Abstract

To overcome the limitations of the current Central Mobility Management (CMM) protocols, IETF has been discussing about the Distributed Mobility Management (DMM) protocols that the centralized mobility functions of Home Agents (HA) are distributed to network edges closer to mobile users. The DMM protocol has some advantages of low-cost traffic delivery and high scalability. However, it faces several problems such as a high signaling cost and a complex address management. Especially, users moving at a high speed and with long-live sessions can make these problems worse. To reduce the high signaling cost for long-live sessions, we propose a novel hybrid DMM protocol allocating different mobility anchors according to the session durations. In this paper, we analyze the performance of the proposed hybrid DMM protocol and show superior performance with respect to the signaling cost.

현재의 중앙 집중형 이동성 관리 방식의 제약점들을 극복하기 위해서, IETF는 홈 에이전트의 이동성 기능을 사용자 가까이에 위치한 네트워크 경계 쪽으로 분산시키는 분산 이동성 관리 방식에 대해서 논의해왔다. 분산 이동성 관리 프로토콜은 트래픽 전달 비용이 낮고 확장성이 높다는 장점을 갖고 있다. 하지만, 시그널링 비용이 높고 주소관리가 복잡하다는 문제점을 보이고 있다. 특히 세션의 지속시간이 길고 빠르게 이동하는 사용자의 경우에는 이러한 문제점을 더욱 어렵게 만든다. 지속시간이 긴 세션에 대해서 높은 시그널링 비용을 감소시키기 위해서 우리는 하이브리드 분산 이동성 관리 방식을 제안하며, 이는 세션 지속 시간에 따라서 다른 이동성 앵커를 할당한다. 본 논문에서 우리는 제안한 하이브리드 분산 이동성 관리 방식에 대해서 성능을 분석하며 시그널링 비용 측면에서 우수한 성능임을 보여준다.

Keywords

References

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