Cloud computing is a new IT resource delivery model that can be simply understood as a data center where computers can automatically manage and dynamically allocate, deploy, configure, reconfigure, and recycle resources, and automatically install software and applications. Cloud computing consists of hardware, software, and services. Hardware is primarily a x86 or power machine. Software includes the management of computer automation software, as well as the management of software. Service refers to the building of Cloud computing center and its future operation. The Cloud Computing Center provides its users with a virtual computer that is loaded with software and applications that may correspond to a physical machine, and it is possible for multiple virtual machines to correspond to a single physical machine. End users connect to virtual machines over the network, which is equivalent to having a server that has installed the software he needs to use. The user has certain privileges, and of course he can install software that is not available in other cloud computing centers.
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