Abstract
With the development of computer science, desktop virtualization technology is more and more popular. In virtualized desktop, it is a very significant research to share periphery devices in the client-end computer seamlessly. We implement a device sharing mechanism to extend the universal serial bus in client-end host to the network for server-end host using transparently. This virtual device bus is deployed in the driver layer so that most applications and drivers in virtualized desktop could access remote shared devices through original interface. After deploying the virtual device bus driver, the duplicated virtual device could be accessed just like a real local device. In our implementation, the virtual device bus driver, which is the main module for virtualizing real USB devices and the interface for applications, is OS independent. Experiments show that the mechanism has a very friendly and easy interface to access virtual USB devices, and good performance.
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