본 논문은 MIPv6 망에서의 IPv6 이동 노드와 IPv4 망의 노드간의 DSTM 연동메커니즘을 이용한 이동성을 지원하는 통신 방법에 관한 것이다. MIPv6는 이동성을 지원하기 위해서 기본적으로 통신하는 단말이 모두 IPv6 노드인 환경을 전제로 하고 있다. 그러나 이러한 MIPv6 플랫폼을 IPv6/IPv4가 혼재된 망에서 사용할 때 바인딩 업데이트 과정이 처리되지 않기 때문에 IPv6의 기본기능인 경로 최적화 기능을 수행할 수 없다. 이로 인하여 발생되는 삼각 라우팅 방식은 홈 에이전트 및 네트워크의 병목현상을 발생시킬 수 있다. 본 논문에서는 이러한 문제점을 해결하기 위해서 DSTM의 경계 라우터의 기능을 확장하여 IPv4 망의 상대방 노드의 기능을 대신하여 수행할 수 있도록 제안하고자 한다. 향후 새로운 차세대 망의 도입 시 기존의 망과의 이동성을 자동으로 제공할 수 있으므로 IPv6 기반의 차세대 망의 도입을 고려할 때 큰 도움이 될 것으로 기대한다.
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