虚拟化安全综述——虚拟化是数据中心的流行技术,它起源于20世纪60年代。它是把昂贵的计算机资源的利用最大化的方式。典型的服务器运行至少40 利用率，虚拟化可以更有效地利用技术资源，并节约固定费用。虚拟化的最大优势是，它允许管理员从中央区域为个人电脑和客户设备提供软件。虚拟化不需要管理员对一般任务进行分别考虑。服务器的关机可以带动多用户的关机。-Virtualization Security Review- virtualization is a popular data center technology, which originated in the 20th century, 60 years. It is to expensive computer resources to maximize the utilization of way. The typical server is running at least 40　utilization, virtualization can be more effective use of technology resources, and save fixed costs. The biggest advantage of virtualization is that it allows administrators from the central region for personal computers and client devices software. Virtualization does not require the administrator of the general tasks considered separately. Server shutdown can foster the multi-user shutdown.