Cloud Computing. A simple term – but what, exactly, does it mean? The National Institutes of Standards and Technology (NIST) has their Definition of Cloud Computing (Special Publication 800-145) which is fairly widely accepted as a good definition. To avoid confusing the issue, I’ll use that as the foundation upon which to build my expanded definition.
As you read through the NIST definition, you’ll notice that it talks about essential characteristics, service models, and deployment models. There’s pretty much nothing about technology. That’s worth paying attention to! I’ll cover a couple of the essential characteristics here, I think a few are pretty obvious.
Cloud computing is a paradigm shift in how IT is exposed to the consumer