1. Introduction to Virtualization

Virtualization is a maturing technology. This chapter provides an introduction to basic virtualization concepts and issues. It begins by defining virtualization and examining the motivations for using it, then turns to system virtualization models.

1.1 Definitions and Motivations

Technology is developed in response to a need. Virtualization technologies were invented to address gaps in the functionality of existing computer systems. Let’s take a look at the meaning of computer virtualization and consider the various needs that it fulfills.

1.1.1 What Is Virtualization?

System virtualization is technology that creates “virtual environments,” which allow multiple applications to run on one computer as if each ...

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