Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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Method for Mobile node in Cloud Computing Environments

클라우드 컴퓨팅 환경에서 이동노드 지원을 위한 기법

  • 김기영 (서일대학교 컴퓨터소프웨어과) ;
  • 염세훈 (동서울대학교 컴퓨터소프트웨어과)
  • Received : 2014.02.03
  • Accepted : 2014.02.18
  • Published : 2014.02.28
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Abstract

In this paper, we proposed offloading delay method which determines effectively offloading timing by measuring of handoff delay and offloading time at mobile node side in mobile environment. The propose method measures each of handoff delay and offloading time and making decision of proper offloading timing on mobile node side. Therefore, it is possible to support cloud computing without changing previous implemented cloud computing structure for fixed node in a mobile environment. We compare the energy consumption of server and node to analyze efficiency of proposed method by using existing method of energy consumption measurement. Simulation results shows the reducing energy consumption more than previous method and operation time similar to previous method.

본 논문에서는 이동환경에서 이동단말이 핸드오프 시간과 오프로딩 시간을 측정하여 오프로딩의 수행을 판단하는 오프로딩 지연기법을 제안한다. 제안한 기법은 이동단말에서 핸드오프와 오프로딩 지연시간을 비교하여 오프로딩을 결정할 수 있도록 하여 고정노드를 대상으로 구현된 클라우드 컴퓨팅환경의 구조의 변경 없이 이동환경 클라우드 컴퓨팅을 지원한다. 효율성 분석을 위해 기존 연구에서 사용하는 서버와 단말의 에너지 소비측정을 사용하여 기존 방법과 에너지 소비를 비교 분석하였다. 모의실험 결과 오프로딩 지연 기법은 기존 방법보다 에너지 소비를 감소시키면서 유사한 작업수행 시간을 보이는 것을 확인하였다.

Keywords

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