4
Virtualization
Learning Objectives
After reading this chapter, you will be able to
Summarize the significance of Virtualization
Appraise the Virtualization techniques
Realize the pros and cons of Virtualization
The term “virtualization” was coined in the 1960s to refer to a virtual machine (sometimes called “pseudo machine”), a term which itself dates from the experimental IBM M44/44X system. The creation and management of virtual machines (VM) has been called “platform virtualization”, or “server virtualization”, more recently. Platform virtualization is performed on a given hardware platform by host software (a control program), which creates a simulated computer environment, a VM for its guest software. The guest software is not limited ...
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