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Introducing Windows Server® 2008 by The Microsoft Windows Server Team, Mitch Tulloch

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Virtualization Today

Virtualization today on Windows platforms basically takes one of two forms: Type 2 or Hybrid. A typical example of Type 2 virtualization is the Java virtual machine, while another example is the common language runtime (CLR) of the .NET Framework. In both examples, you start with the host operating system—that is, the operating system installed directly onto the physical hardware. On top of the host OS runs a Virtual Machine Monitor (VMM), whose role is to create and manage virtual machines, dole out resources to these machines, and keep these machines isolated from each other. In other words, the VMM is the virtualization layer in this scenario. Then on top of the VMM you have the guests that are running, which in this case ...

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