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Running Xen: A Hands-On Guide to the Art of Virtualization by Jeanna Matthews, Brendan Johnson, Patrick F. Wilbur, Jeremy Bongio, Wenjin Hu, Todd Deshane, Eli M. Dow

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Chapter 9. Device Virtualization and Management

After mastering the basics of creating new guest domains, one of the next logical questions is how to enable your guest to use the various devices on the host computer. There is of course a tension between wanting guests to enjoy the full power and features of the devices present on a specific physical machine and wanting guests to remain portable across a wide variety of physical machines where the details of the underlying devices may be different. In this chapter, we discuss various approaches to device virtualization and management in Xen. We discuss Xen’s basic approach to paravirtualization of devices as well as how major classes of devices, such as the disk and the network interface card, ...

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