한국인터넷방송통신학회논문지 (The Journal of the Institute of Internet, Broadcasting and Communication)

  • 제12권4호
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  • Pages.81-93
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  • 2012
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  • 2289-0238(pISSN)
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  • 2289-0246(eISSN)
한국인터넷방송통신학회 (The Institute of Internet, Broadcasting and Communication)
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프록시 모바일 IPv6 네트워크에서 포인터 포워딩에 기반한 비용효과적인 이동성관리 기법

CEM-PF: Cost-Effective Mobility Management Scheme Based on Pointer Forwarding in Proxy Mobile IPv6 Networks

  • 박승윤 (성균관대학교 컴퓨터공학과) ;
  • 정종필 (성균관대학교 정보통신공학부)
  • 투고 : 2012.06.01
  • 심사 : 2012.08.10
  • 발행 : 2012.08.31
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초록

이동성관리 및 패킷전달에 의해 발생되는 전체 네트워크의 트래픽을 줄이기 위한 목적으로 PMIPv6(Proxy Mobile IPv6)에서 포인터전송을 기반으로 효율적인 이동성관리 기법을 제안한다. 제안기법은 개별적이며 동적인 모바일사용자 기반이다. 전체 네트워크의 트래픽을 최소화하기 위한 포워딩체인 길이의 최적 임계값과 사용자의 특정 이동성과 서비스 패턴을 기준으로 결정된다. 포워딩체인 길이의 최적 임계값이 존재하는 것을 주어진 특정 이동성과 모바일 사용자의 서비스 패턴을 특징화한 매개변수로 입증한다. 또한 제안기법이 모든 모바일 사용자에게 정적 임계값을 적용하는 방식보다 상당히 더 좋은 성능을 내는 것을 보여준다. 수학적 분석법은 포인터 포워딩 기법이 PMIPv6에서의 라우팅기반 이동성관리 프로토콜에 비해 뛰어난 성능을 보여준다.

We propose efficient mobility management schemes based on pointer forwarding for Proxy Mobile IPv6 Networks(PMIPv6) with the objective to reduce the overall network traffic incurred by mobility management and packet delivery. The proposed schemes are per-user-based, i.e., the optimal threshold of the forwarding chain length that minimizes the overall network traffic is dynamically determined for each individual mobile user, based on the user's specific mobility and service patterns. We demonstrate that there exists an optimal threshold of the forwarding chain length, given a set of parameters characterizing the specific mobility and service patterns of a mobile user. We also demonstrate that our schemes yield significantly better performance than schemes that apply a static threshold to all mobile users. A comparative analysis shows that our pointer forwarding schemes outperform routing-based mobility management protocols for PMIPv6.

키워드

참고문헌

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