Cloud computing is the delivery of computing as a service rather than a product, whereby shared resources, software, and information are provided to computers and other devices as a metered service over a network (typically the Internet).
Cloud computing is a marketing term for technologies that provide computation, software, data access, and storage services that do not require end-user knowledge of the physical location and configuration of the system that delivers the services. A parallel to this concept can be drawn with the electricity grid, wherein end-users consume power without needing to understand the component devices or infrastructure required to provide the service.
Also, it is delivery model for IT services based on Internet protocols, and it typically involves provisioning of dynamically scalable and often virtualized resources.[1][2] It is a byproduct and consequence of the ease-of-access to remote computing sites provided by the Internet.[3] This may take the form of web-based tools or applications that users can access and use through a web browser as if the programs were installed locally on their own computers.[4]
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