This document provides an overview of cloud computing concepts including definitions, characteristics, service models, deployment models and examples. It defines cloud computing according to NIST as a model for enabling network access to configurable computing resources that can be provisioned with minimal management effort. The key characteristics are on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service. The common service models are SaaS, PaaS and IaaS. Deployment models include private, public and hybrid clouds. Examples of applications and potential benefits are also provided.
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