본 연구는 대용량 웹 서비스에 대한 전력 소비를 낮추는 에너지 절약에 관한 기술을 제안한다. 최근에 데이터 센터의 서비스 규모가 점점 커지고 확대되는 경향을 가지면서 데이터 센터의 에너지 소비에 대한 연구가 뜨거운 이슈가 되고 있다. 데이터 센터의 서비스 중에서 가장 많은 비중을 차지하는 서비스는 웹 서비스이다. 본 연구는 웹 서비스에서 사용되는 전력을 상당히 절감하는 새로운 기법을 제안한다. 제안하는 기법은 에너지 절감하기 위한 제어 모듈로 CPU의 DVFS를 제어하는 거버너와 효율적인 파워 캡핑 모듈을 사용하였다. 성능평가는 제안하는 기법이 기존 방식에 비하여 크게 에너지를 절약하는 것을 보여준다.
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