The KIPS Transactions:PartB (정보처리학회논문지B)

Korea Information Processing Society (한국정보처리학회)
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The Adaptive Multimedia Contents Service Method to Reduce Delay of MN in HMIPv6

HMIPv6에서 MN의 지연을 최소화하는 멀티미디어 컨텐츠 서비스 방법

  • 박원길 (한국건설기술연구원) ;
  • 강의선 (숭실대학교 교양특성화대학)
  • Published : 2008.12.31
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Abstract

The issues that we should consider in the process of providing mobile web service using a mobile device are seamless service and QoS-guaranteed service. HMIPv6 has MAP because of improving packet loss and transmission delay due to disconnection. However, a load is concentrated on HMIPv6 because of receiving and delivering packet for MN. Owing to this, real time data fails to be processed quickly, and also adaptive mobile service is required for QoS guaranteed service. However, this method demands the response time cost of contents service owing to the hardware differences of various devices. Therefore, we improve the process performance of real time data by applying a queue in MAP for seamless service in this paper. For decreasing response time cost, we propose mobile web service method which has reusable cache of contents using the elements of contents. The result of a numerical formula and simulation shows that our proposed method is superior under various system conditions.

모바일 단말기를 사용하여 모바일 웹 서비스를 제공하는 과정에서 고려해야 할 사항은 끊김없는 서비스와 품질 보장형 서비스 이다. HMIIPv6는 끊김으로 인해 발생되는 패킷 손실과 지연 현상을 개선하기 위하여 MAP을 둔다. 하지만 MN을 위하여 패킷을 수신하고 전달하기 때문에 부하가 집중된다. 이는 보다 빨리 처리해야 할 실시간 데이터를 빨리 처리하지 못하는 결과는 낳는다. 뿐만 아니라 품질 보장 서비스를 위해서는 적응적 모바일 서비스 방법이 필요하다. 하지만 이 방법은 다양한 단말기의 하드웨어적인 차이점으로 인한 컨텐츠의 서비스 응답시간비용이 필요하다. 따라서 본 논문에서는 끊김없는 서비스를 위하여 MAP에 큐를 두어 실시간 데이타 처리 성능을 향상시켰다. 또한 응답시간비용을 줄이기 위하여 컨텐츠의 구성요소를 이용하여 컨텐츠를 재사용할 수 있는 캐시를 갖는 모바일 웹서비스 방법을 제안한다. 수식 분석과 시뮬레이션 결과, 제안방법인MAP에 큐를 두는 방식과 모바일 노드의 이동성을 고려한 캐시 방법이 다른 다양한 시스템 조건에서 우수함을 알수 있었다.

Keywords

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