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

한국통신학회 (The Korean Institute of Commucations and Information Sciences)
권호 표지

Mobile IPv4/Mobile IPv6 통신을 위한 모바일 헤더 변환 메커니즘

A Mobility Header Conversion Mechanism for Mobile IPv4 and Mobile IPv6 Communications

  • 발행 : 2007.01.31
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초록

IPv4/IPv6 통신 서비스를 위한 변환기는 호스트의 변경 없이 IPv6 호스트와 IPv4 호스트간의 통신을 지원해 준다. 그러나 호스트가 모바일 노드일 경우 삼각형 라우팅 문제가 발생한다. Mobile IPv4 모바일 노드가 이동할 경우 홈 에이전트와 IPv6의 CN(Correspondent Node)에게 반드시 이동 정보를 보내 주어야 하지만 현재 NAT-PT는 IPv4와 IPv6의 이동성 헤더인 모바일 IPv4/Mobile IPv6의 헤더 변환은 지원해 주지 않기 때문에 삼각형 라우팅 문제가 발생하여 Mobile IPv4와 Mobile IPv6간에 비효율적인 통신을 일으킨다. 본 논문에서는 Mobile IPv4와 Mobile IPv6 통신에서 발생하는 삼각형 라우팅 문제를 해결하기 위한 모바일 헤더 변환 메커니즘을 제안하였다.

An interworking translator for IPv6 and IPv4 services can be defined as an intermediate component between a native IPv4 host and a native IPv6 host to enable direct communication between them without requiring any modifications to the hosts. But if the host is a mobile node, triangle routing problem occurs, since Mobile IPv4 allows mobile node to roam transparently in my network. In this situation, mobile node must notify transfer information to its own home agent and correspondent node in IPv6 network. But current NAT-PT does not permit mobility header translation. Therefore, NAT-PT does not support efficient communication between Mobile IPv4 and Mobile IPv6. In this paper, we propose a mobility header conversion mechanism to resolve the triangle routing problem between Mobile IPv4 and Mobile IPv6.

키워드

참고문헌

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