Hierarchical virtualization with a multi-level virtualization mechanism
US8327353B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 30, 2005 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Aug 23, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2009/45566
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.