Virtio provides a common framework for the development of efficient para-virtualized drivers.

virtio为高效的准虚拟化驱动开发提供了通用框架。

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Basically, this documents shows how to create a para-virtualized environment with Xen, not Full-virtualized environment.

基本上，这文件显示了如何创建一个准虚拟环境与Xen的，而不是全面的虚拟环境。

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With no additional customization, users can create XEN virtual machines running modified, highly tuned, para-virtualized guest operating systems for optimal performance.

用户不需要定制就可以创建 XEN 虚拟机，可以用它们运行经过调优的虚拟化访客操作系统，产生出色的性能。

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