Chapter 21
Virtualization Overview: Focus on the Business Benefits
According to news.cnet.com, Larry Ellison said, “the computer industry is more fashion-driven than women’s fashion.” He was referring to cloud computing, but his comment equally applies to virtualization. Virtualization has a definite business payoff, which we will identify. But virtualization is not the right fix for every problem, and there are many examples of virtualiza-tion with little or no business payoff.
Before server virtualization, the default approach was one server per application. The result was (still is) server sprawl and significant expenses for support and backup of data; physical expenses for power and floor space and overprovisioned servers; and lots of ...
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