Cloud computing is a set of service-oriented architectures, which allow users to access a number of resources in a way that is elastic, cost-efficient, and on-demand. The U.S. National Institute of Standards and Technology (NIST) defines cloud computing as: Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. Cloud computing is an umbrella term used to refer to Internet based development and services. Characteristics of cloud data, applications, services, and infrastructure: Remotely hosted: Services and data are hosted on remote resources. Ubiquitous: Services and data are available from anywhere. Commodified: The result is a utility computing model similar to traditional utilities such as electricity a...
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