Cloud computing is all the rage. "It's become the
phrase du jour," says Gartner senior analyst Ben Pring, echoing many of
his peers. The problem is that (as with Web 2.0) everyone seems to have a
different definition.
As a metaphor for the Internet, "the cloud" is a familiar
cliché, but when combined with "computing," the meaning gets bigger
and fuzzier. Some analysts and vendors define cloud computing narrowly as an
updated version of utility computing: basically virtual servers available over
the Internet. Others go very broad, arguing anything you consume outside the
firewall is "in the cloud," including conventional outsourcing. [
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Cloud computing comes into focus only when you think about
what IT always needs: a way to increase capacity or add capabilities on the fly
without investing in new infrastructure, training new personnel, or licensing
new software. Read more.
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