Cloud computing Cloud computing is an information technology (IT) paradigm that enables ubiquitous access to shared pools of configurable system resources and higher-level services that can be rapidly provisioned with minimal management effort, often over the Internet . Cloud computing relies on sharing of resources to achieve coherence and economies of scale , similar to a public utility . Third-party clouds enable organizations to focus on their core businesses instead of expending resources on computer infrastructure and maintenance. [1] Advocates note that cloud computing allows companies to avoid or minimize up-front IT infrastructure costs. Proponents also claim that cloud computing allows enterprises to get their applications up and running faster, with improved manageability and...