The impetus for change right now is seen predominantly from a
costs perspective (even though, as we discuss later in the document,
the promises from a technological functionality perspective are
equally attractive), as organizations increasingly discover that their
substantial capital investments in information technology are often
grossly underutilized. One recent survey of six corporate data centers
found that most of the servers were using just 10–30% of their
available computing power, while desktop computers have an
average capacity utilization of less than 5%