Xen and the Art of Virtualization - University of Cambridge

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providing an idealized virtual machine abstraction to which oper-ating systems such as Linux, BSD and Windows XP, can be ported with minimal effort. Our design is targeted at hosting up to 100 virtual machine in-stances simultaneously on a modern server. The virtualization ap-proach taken by Xen is extremely efcient: we allow operating sys-

  Design, Virtualization, Abstraction, And the art of virtualization