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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 3. The Xen Hypervisor

The Xen hypervisor is the heart of Xen. It sits between the guest domains and the physical hardware, allocating and controlling resources, enforcing protection and isolation. It literally defines the virtual machine interfaces seen by guest domains. In this chapter, we describe the Xen hypervisor and how it interacts with guest domains. We discuss a special privileged domain, called Domain0, that is used to administer normal guest domains and to control the physical hardware. We also discuss the Xen management daemon, known as xend, that passes control requests to the Xen hypervisor. Finally, we describe XenStore, a database of configuration information used to communicate between domains.

Xen Hypervisor

The Xen hypervisor ...

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