With the constant improvement of IT technology, in order to maximize the utilization of hardware, researchers began to reserch the virtualization. This paper elaborate the virtualization from hardware virtualization technology , and by the analysis of USB equipment and driver framework, finally, based on the use of USB equipment direct allocation method to realize USB device virtualization. This paper has a certain reference value for the hardware researchers and system analyst.% 随着IT技术的不断完善,为了对硬件的利用率最大化,科研人员开始将目光转向虚拟化上来。通过从虚拟化技术的描述、硬件虚拟化两个方面来对虚拟化技术进行论述,其次对USB设备及驱动框架进行分析,最后在此基础上利用USB设备直接分配法实现USB设备虚拟化。
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