한국통신학회논문지 (The Journal of Korean Institute of Communications and Information Sciences)

한국통신학회 (The Korean Institute of Commucations and Information Sciences)
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전술망을 위한 분산 이동성 관리 기법

Distributed Mobility Management Scheme for the Tactical Network

  • 투고 : 2014.08.19
  • 심사 : 2014.11.03
  • 발행 : 2014.11.28
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초록

기존의 중앙 집중식 이동성 관리 방식은 홈 네트워크에 위치한 이동성 앵커에 모든 데이터 및 제어가 집중되므로 단일 오류 문제, 병목 구간 발생 등의 문제가 있다. 최근 단말의 이동성을 분산된 이동성 앵커들에 의해 제공하기 위한 방안으로 분산 이동성 관리 방식들이 연구 중이다. 현재 제안된 분산 이동성 관리 방식들은 이동성 앵커의 장애가 발생하는 경우에 대해서는 고려하지 않고 있으나 전술망에서는 이동성 앵커의 이동, 정비, 장애등으로 서비스가 중단되는 상황이 발생할 수 있다. 본 논문에서는 앵커 장애 발생 시에도 핸드오버가 가능한 새로운 전술 분산 이동성 관리 기법을 제안하였다. 시그널링 비용 및 핸드오버 지연시간의 수학적인 분석을 통해 제안한 기법의 성능을 검증하였다.

In the conventional centralized mobility management schemes, it can lead to single points of failure, occurrence of a bottleneck, since all data and control are concentrated on the mobility anchor which is located in home network. In the current research of distributed mobility management, it is doing research into distributed mobility management which is supported by distributed mobility anchors. Such schemes do not consider a failure of the mobility anchor. However, it could be an issue under tactical environment since it occur non-service problem due to anchor movement, maintenance, failure, etc. In this paper, we proposed new DMM scheme named T-DMM(Tactical-Distributed Mobility Management) which can support handover even if mobility anchor breaks down. From the numerical analysis, we evaluate signaling cost and handover latency.

키워드

참고문헌

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