Posted On: Feb 15, 2011

Article Excerpt: Given the amount of noise surrounding cloud computing it's easy to forget just how new the concept is. Amazon.com began offering services in 2006 and since then, according to technology consultant 451 Group, it has "almost single-handedly moved cloud computing to the center of the IT innovation agenda.

William Fellows, principal analyst of the 451 Group, says: "In terms of market share Amazon is Coke and there isn't yet a Pepsi."

The type of cloud model pioneered by Amazon has become known as "infrastructure as a service." It describes a procedure whereby a customer rents rather than buys the raw hardware for computer processing and data storage, along with the Internet bandwidth to deliver it. The customer, not the provider, is responsible for the operating system and software to run on it.

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