Pluggable extensions to virtual machine monitors

The functionality of a virtualization layer interposed between computer system hardware and a plurality of applications can be altered by pluggable extensions. According to one embodiment of the present invention, a virtualization layer is divided into a privileged portion and an unprivileged portio...

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Bibliographic Details
Main Authors Manczak, Olaf, Vick, Christopher A, Paleczny, Michael H
Format Patent
LanguageEnglish
Published 17.04.2012
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Summary:The functionality of a virtualization layer interposed between computer system hardware and a plurality of applications can be altered by pluggable extensions. According to one embodiment of the present invention, a virtualization layer is divided into a privileged portion and an unprivileged portion. While the privileged portion remains untouched, the functionality of the unprivileged portion can be modified by one or more pluggable extensions. Furthermore, file images operating on top of the virtualization layer, and in some cases unaware of the virtual nature of the virtualization layer, can be supplemented using pluggable extensions.