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The idea is to separate the hardware from the software to yield better system efficiency. For example, computer users gained access to much enlarged memory space when the concept of virtual memory was introduced.
Similarly, virtualization techniques can be applied to enhance the use of compute engines,
networks, and storage. In this chapter we will discuss
VMs and their applications for building distributed systems. According to a 2009
Gartner Report, virtualization was the top strategic technology poised to change the computer industry. With sufficient storage, any computer platform can be installed
in another host computer, even if they use proc.
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