Cloud computing1。 IntroductionCloud computing is known as the most anticipated technological revolution over the entire world, and the reason why cloud computing has brought widespread attention is that it not only represent a new technology appeared， but also lead to the entire industry to change。 Therefore， the ranking of national competitiveness will change accordingly.2. Cloud computing definition and applicationThe concept of cloud computing is put forward by Google, which is a beautiful network applications mode. Based on increasing in Internet-related services and delivery models， it provides dynamic， easy to expand and virtualized resources usually through the Internet。 This service can be related to IT， software and Internet； other services can be supported too。 It means that computing power can be circulation as a commodity. As we expect， more and more enterprise use this new technology into the practical application， such as webmail， Gmail and apple store use it for computing and storage. With the technology development, cloud computing has given full play to it roles， Industry, Newcomers and Media buy computer technology to make network cheaper， faster， convenient and better control. Cloud computing is used in the distributed computers by computing， rather than the local computer or remote server， the operation of the enterprise data center and the Internet are more similar。 This process allows companies to be able to switch resources to the urgent application according to computer and storage systems demand access。 This means that the computing power can be negotiable, like water and electricity， access convenient and low—cost。 The biggest difference is that it is transmitte...
