云消费者需要识别的资产就是他们能够控制的资产：操作系统、网络设备以及在虚拟机级部署的应用程序。
The assets the cloud consumer needs to identify are those he can control: the operating systems, network equipment, and deployed applications at the virtual machine level.
克隆虚拟映像的挑战之一是，需要处理操作系统、网络和应用程序特定的自定义内容。
One of the challenges with cloning virtual images is handling operating system, network, and application specific customization.
使用IaaS，您可以在虚拟机级别控制操作系统、网络设备和已部署应用程序。
With IaaS you can control the operating systems, network equipment, and deployed applications at the virtual machine level.
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