| dc.description.abstract | The virtualization technology can logically divide a physical machine into some independent virtual machines. Hence, people can share the same physical machine and still work on an independent virtual computing environment. Recently, more and more people focus on the issue of managing the virtual computing environment in a higher granule, that is, to administer virtual private datacenters, each of which consists of a collection of virtual machines connected by a virtual local area network. In this research, we use the virtualization technology to develop a software package, SAMEVED (System Architecture for Managing and Establishing Virtual Elastic Datacenters), which can create, deploy, and manage virtual private datacenters. The SAMEVED also provides users the monitoring feature that reports the status of their own virtual private datacenters. The SAMEVED also supports remote procedure calls for authenticated cloud applications, such that the applications can create and modify the configurations of their virtual datacenters. We have launched a cloud eLearning service that aims to support network security experiments on the cloud. The eLearning service requires network isolation in the data link layer. When the teachers or the students try to do a network security experiment such as DDoS, they can create their own virtual private datacenter based on their requirements, without worrying about that the experiment becomes uncontrollable. According to our monitoring data, the eLearning service have created and deployed tens of virtual private datacenters on the SAMEVED. The observed data show that the system is stable and correct.
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