抄録
Cloud computer technologies are advanced better, and web service like IaaS is used as businesses for its easiness and flexibility. But people concern about security on the cloud service and still feel resident to storing enterprise data in external server. So people interest in private cloud environment. In this paper, we evaluate private cloud system including Eucalyptus, an open-source software implementation of cloud computing system like Amazon EC2. Evaluations are about basic performance, management and recovery, web application performance for this system. Finally, we conclude if limited to small-scale, enterprise private infrastructure for short time use, it can be a good private cloud system