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

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Handoff Protocol for Improving Multicast Session Delay In Mobile Networks

이동네트워크에서 멀티캐스트 세션지연을 개선하기 위한 핸드오프 프로토콜

  • Received : 2010.02.03
  • Accepted : 2010.03.12
  • Published : 2010.06.30
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Abstract

A multicast session protocol in wireless networks reduces the session delay of multicast delivery caused by moving of mobile host. A hand-off scheme, called MSDR (multicast session delay reduction), in mobile networks is proposed. MSDR protocol that minimizes the delay of a session re-establishment uses the basic unicast routing function of the IETF mobile IP and the DFA (designated foreign agent) to provide multicast services for mobile hosts. Proposed MSDR protocol allows the mobile hosts to continuously receive packets when they move across the basic sets during hand-off. Discrete-event simulation carried out for performance evaluation of MSDR protocol, and simulation results indicated that our scheme can offer a better performance of multicast session delay reduction in terms of signalling cost than that of IETF.

무선 네트워크에서 멀티캐스트 세션 프로토콜은 호스트의 이동에 의해 발생하는 멀티 캐스트 프로토콜의 세션지연을 줄이며, MSDR의 핸드오프 스킴을 제안한다. MSDR 프로토콜은 세션 재설정에 의한 지연을 최소화 하면서, 이동 호스트의 멀티 캐스트 서비스를 지원하기 위해 IETF의 모바일 IP와 DFA의 유니 캐스트 라우팅 기능을 이용하며, 이동 호스트가 기본 셋을 통과할 때 지속적으로 패킷을 수신할 수 있다. 제안하는 프로토콜의 성능 평가를 위해 시뮬레이션을 수행했으며, 시뮬레이션 결과는 제안하는 MSDR 프로토콜은 시그널 비용 측면에서 개선된 멀티캐스트 전송 성능을 나타낸다.

Keywords

References

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