Cloud Resource Virtualization
Abstract
Virtualization, a basic tenet of cloud computing, simplifies some of the resource management tasks. For example, the state of a virtual machine (VM) running under a hypervisor can be saved and migrated to another server to balance the load. At the same time, virtualization allows users to operate in environments they are familiar with, rather than forcing them to work in idiosyncratic environments.
This chapter starts with a discussion of virtualization principles, and motivation for virtualization focused on performance and security isolation, and of alternatives for the implementation of virtualization. Two distinct approaches for processor virtualization, full virtualization and paravirtualization ...
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