To enhance customer satisfaction and improve user responsiveness, a common ingredient of choice in today's modern, pan-enterprise, services-oriented enterprise is cloud computing. So what really is cloud computing? It is a way to run a data center that allows users to serve themselves and gives your staff the opportunity to go home on time. I'm being facetious but that's the bottom line. It's an efficient manner for users (end users and developers) to help themselves to computing resources.