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

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Performance Improvement of the HMIPv6 Macro Handover using the Address Insurance with Selective Buffering

주소보장과 선택적 버퍼링을 이용한 HMIPv6의 매크로 핸드오버에 대한성능 개선

  • 안치현 (열린사이버대학교 정보통신과) ;
  • 우종정 (성신여자대학교 IT 학부)
  • Published : 2009.03.31
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Abstract

HMIP, an extending version of MIP, makes the signaling traffic low, thereby reducing the packet losses and delay. However, it still has the same problem in MIPv6 in the case of macro mobility, though it can reduce the out-signaling in the case of a micro mobility, a regional mobility with the MAP protocol. To overcome this problem, this paper proposes a handover which exploits an address insurance with selective buffering for the HMIP macro handover. This scheme can decrease the lost packets and the delay time and provide better performance for high QoS traffic and real-time multimedia transmission. The simulation result shows that the proposed scheme makes the transmission delay time and the lost packets smaller than the existing schemes.

MIP의 확장 버전인 HMIP는 동일 지역 내에서 이동할 경우 외부 시그널링을 줄일 수 있다. 그러나 다른 MAP 영역으로 이동하는 매크로 핸드오버일 경우 바인딩 갱신을 위한 많은 시그널링으로 인해 전송 지연과 패킷 손실이 발생한다. 이를 해결하기 위해 계층적 구조에서 주소 보장과 선택적 버퍼링을 이용한 핸드오버를 제안한다. 이 방식은 매크로 핸드오버가 발생할 때 패킷 손실과 전송 지연을 줄이고 QoS가 높은 트래픽이나 실시간 멀티미디어 트래픽의 전송에 우수한 성능을 제공한다. 시뮬레이션 결과는 제안하는 핸드오버가 기존 핸드오버보다 전송 지연과 패킷 손실에 대하여 크게 감소함을 보였다.

Keywords

References

  1. ITU-T Recommendation Q.1706/Y. 2801, "Mobility Management Requirements for Next Generation Networks," November 2006
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