Internet and Web Application Security, 3rd Edition

Virtualization and Cloud Computing

Virtualization and cloud computing are becoming more popular and important, separately and in tandem, for individual users and organizations large and small. Cloud computing depends on virtualization for efficiency, and virtualization is changing the way data centers operate. In this section, we look at virtualization and cloud computing and their roles in our interactions with the internet and web.

Virtualization

A virtual something is anything that is used to simulate the look, feel, or function of something else. In computing, a virtual object, such as a machine, server, or router, is the simulation of its functions through software. The process of creating virtual devices using software is grouped under ...