Chapter 9. Cloud and Virtualization

A major data center paradigm shift is underway that eliminates the need for companies to have their own data centers. Multiple physical servers housed in one location that offer specific service such as e-mail, DNS services, or Microsoft Active Directory are no longer a necessity.

Virtual Network Devices

There are so many areas of virtualization, especially with the trend toward virtual devices.

Virtual Servers—This type of server is more prevalent than ever. The computing power available in a single high-end server is often sufficient to handle the tasks of multiple independent servers. With the advent of virtualization, multiple servers (which might be running different operating systems) can run in virtual ...

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