摘要：The cloud means the Internet. The term is derived from the way in which the Internet is represented into the network diagrams. Cloud computing is a paradigm that incorporates the concept of software as a service. This means the software and data are stored on servers that can be accessed over the Internet. The current cloud computing architecture involves the existence of data centers that are able to provide services to the clients located all over the world. The major players in field of the cloud computing are Google, Microsoft, Amazon, Yahoo, and some traditional hardware producers like HP, IBM, Intel.
