Isn’t Cloud Computing Just Hardware-As-A-Service?

Cloud Computing is the new web2.0, in terms of hype and buzz all around. I hate to invent yet another Buzzword. But isn’t Cloud Computing just a Hardware-As-A-Service (HaaS)?

If you look at the definition on Wikipedia, that is what Cloud Computing is all about. Isn’t it?

Cloud computing is an example of computing in which dynamically scalable and often virtualized resources are provided as a service over the Internet. – Wikipedia

If you agree in principle that Cloud Computing = HaaS, then there is nothing really NEW about it. It must be as old as the concept of renting a server or the first internet Hosting company. And, all internet (as well as in house applications) that we know of did scale as needed. They are all in principle dynamically scalable. Didn’t they?

Then why so much undue buzz about Cloud Computing?

Is it because now there are more players in the hosting market? Amazon, Microsoft, Google, Rackspace … etc.

Or is it because of the new Billing model of hosting services that charges based on actual usage rather than a fixed cost?

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