利用选举的根节点映射云计算用户请求至宿主机，实现节点上虚拟机的按需创建、删除及停止等操作。
The requests of cloud computing user were mapped to the host by elected root node, and the on-demand operations of creating, deleting, and stopping a virtual machine were achieved.
利用选举的根节点映射云计算用户请求至宿主机，实现节点上虚拟机的按需创建、删除及停止等操作。
The requests of cloud computing user were mapped to the host by elected root node, and the on-demand operations of creating, deleting, and stopping a virtual machine were achieved.
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