Cloud computing is the boon for today’s world. For ones, who are oblivious to the term Cloud Computing, Cloud computing doesn’t mean computing over clouds. So, what is cloud computing? Check out what it actually mean and its models. Here, the term “cloud” mean “The internet” or “The Web”. The term “Cloud Computing” is dependent on cloud drawings used in past to represent telephone networks and later to depict the Internet in. “An emerging computer paradigm where data and services reside in massively scalable data centers in the cloud and can be accessed from any connected devices over the internet”.