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

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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A Multicast-based Mobility Support Scheme in IPv6 Networks

IPv6 네트워크에서 멀티캐스트 기반 이동성 제공 방안

  • Published : 2005.04.01
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Abstract

With rapid advance in wireless communication technologies, many researches are conducted for providing Internet data services while users are roaming around. Efficient management of mobility of mobile nodes is essential as the use of real-time application program grows. In this paper, we propose a multicast-based localized mobility support scheme in IPv6 networks. The proposed scheme utilizes a class of multicast routing protocol for the localized mobility support. Features of the proposed scheme are use of join to a multicast group and leave from that group to localize binding update information and provision of an extended multicast group management mechanism to reduce leave latency. The results of simulation show that the proposed scheme out-performs Mobile IPv6 and Hierarchical Mobile IPv6 in UDP and TCP traffic performance and in wasted bandwidth.

무선 통신 기술이 급속히 발전하면서 이동 중 데이터 통신이 가능하도록 하기 위한 연구가 활발하게 진행되고 있다. 특히, 실시간 응용 프로그램을 이동 단말에서 원활히 사용하기 위해서는 이동 단말의 이동성을 효율적으로 관리하는 것이 매우 중요하다. 본 논문에서는 IPv6 네트워크에서의 멀티캐스트 기반 이동성 제공 방안을 제안한다. 본 논문에서 제안한 방안은 이동 단말이 외부 도메인 내에서 서브넷 간 이동 시 멀티캐스트 그룹에 가입/탈퇴 함으로써 위치갱신을 하여 바인딩 갱신에 따른 신호를 지역 내에서 처리한다. 또한 확장된 멀티캐스트 그룹 관리 방안을 사용하여 그룹 탈퇴 지연을 최소화한다. 모의실험을 통하여 본 논문에서 제안한 방안이 Mobile IPv6와 Hierarchical Mobile IPv6 보다 UDP 및 TCP 성능과 대역폭 낭비도 개선함을 보였다.

Keywords

References

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