Cloud technology to perform multiple server via a digital network connection. In the absence of cloud technology,the web server it was like a single computer. Assume we have a server that can offer up to 1000 pages per minute.For example, a 2000 page per minute, and our site became very popular and began to be displayed. The popularity of our site as it increases the duration of the answer that the server gave to the followers of followers will be upset about this, and therefore will be reduced and will lose interest in the site. The increase in density as the waiting time increases,the response time will extend. Cloud technology our system to transfer power is supplied from a service provider and works with thousands of computers that share each other's work. These servers are shared by thousands of sites, some of the sites that share the server very popular may attract less attention than the others. But they all use the same cloud network shares. The popularity of the site increases when the cloud system will give you more resources. Cloud systems, companies, schools, etc. by large organizations is established and is shared. Using cloud technology, reduces the workload of the personal computer and the various applications provided by the cloud server. Generally, users download and install applications on the computer they don't want to. All processing and storage is provided by a cloud computing system.