The KIPS Transactions:PartD (정보처리학회논문지D)

Korea Information Processing Society (한국정보처리학회)
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A Mobile Agent-based Grouping Method for enhancing Performance of Mobile Database Management Systems

모바일 데이터베이스 관리 시스템의 성능향상을 위한 이동 에이전트 기반 그룹핑 기법

  • 신성욱 (고려대학교 대학원 컴퓨터학과) ;
  • 정동원 (고려대학교 대학원 컴퓨터학과) ;
  • 이정욱 (건국대학교 컴퓨터ㆍ응용과학부) ;
  • 백두권 (고려대학교 컴퓨터학과)
  • Published : 2003.06.01
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Abstract

A rapid growth of mobile devices and a proliferation of wireless networks lead to changing the existing environment into a mobile environment. Expansion of mobile environment makes a pressing need of mobile databases, and there are several solutions to achieve it. But they still accompany with some problems. Especially, the current synchronization server that manages consistently many mobile database management systems is based on the centralized method to synchronize data between the mobile database systems. It is the major factor that causes the lower performance of the whole system. Furthermore, the fault tolerance has not been considered in the existing systems. Therefore, we suggest the mobile agent-based mobile database system in order to resolve the problems. The system, we propose in this paper, provides the high-performance of the whole system by mobile grouping, and also may support a fault-tolerance management method.

무선 네트워크의 폭발적인 증가와 이동 통신 기기의 발전은 기존에 사용되어지던 유선 일변도의 사용방식을 무선 환경으로 급속히 확장, 이전시키고 있다. 무선 환경의 발전에 따라 모바일 데이터베이스 사용의 필요성은 급격히 증가하고 있으며 이에 따른 많은 문제점도 발생하고 있다. 특히 현재의 모바일 데이터베이스는 동기화를 위하여 하나의 동기화 서버가 다수의 모바일 데이터베이스를 관리하는 중앙 집중형 방식으로 이는 전체 시스템의 성능을 저하하는 주요 요소이다 또한 고장허용에 대한 해결책은 전혀 고려되어 있지 않다. 이러한 문제점을 해결하기 위해서 본 논문에서는 이동 에이전트를 이용한 모바일 데이터베이스 관리 시스템을 제안한다. 이 시스템은 모바일 데이터베이스의 그룹핑을 통하여 전체 시스템의 성능을 높이며 고장허용 관리 기능의 지원이 가능하다.

Keywords

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