기존의 스토리지 기반 가상 데스크탑 시스템은 디스크에 입출력이 집중될 경우 성능이 저하되는 문제가 발생하였다. 따라서, 부트 스톰과 같이 여러 대의 가상 데스크탑이 동시에 부팅할 경우, 시스템의 성능이 급격히 저하되었다. 본 논문에서는 가상 데스크탑 시스템의 성능을 향상시킬 수 있는 메인 메모리 기반 가상 데스크탑 시스템을 제안한다. 본 시스템에서는 가상 데스크탑 이미지를 메인 메모리에 저장함으로써 전체 시스템의 성능을 향상시키고, 중복 제거 기술을 적용하여 용량이 많은 가상 데스크탑 이미지를 한정된 크기의 메인 메모리에 저장하였다. 본 시스템의 구현 및 실험을 통하여 가상 데스크탑을동시 부팅할 때, 스토리지 기반 가상 데스크탑 보다 부팅 속도가 4배 빠름을 확인하였다.
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