Understanding Virtualization
The technology that made cloud computing possible is virtualization, and this is also what has made Linux a popular choice for cloud computing vendors. Virtualization allows you to run multiple servers on a single hardware platform, sharing resources as needed between the servers.
In a normal physical server environment, the operating system may only utilize hardware resources for a fraction of the time. This results in “wasted” resources sitting idle. Virtualization takes advantage of this situation by allowing multiple servers to share the hardware resources, providing a huge cost savings. This section describes what virtualization is, the different types of virtualization available, and how to implement virtualization ...
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