| 摘要 |
Hierarchical virtualization is disclosed, where such virtualization can be accomplished with a multi-level mechanism. The hierarchical virtualization includes using a hypervisor that maintains a first partition and using a virtualization stack within the first partition to create and control a second partition. Multiple virtualization stacks can subsist within the first partition, and each such virtualization stack can create and control multiple partitions. In one particular implementation, a child partition can have exclusive control over a portion or all of its resources with respect to a parent partition. The hypervisor as the ultimate arbiter in such a virtualized environment enforces such a setup and is able to communicate directly within any partition within the virtualized hierarchy.
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