What's cloud

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Introducing Cloud Computing

N.jafari

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Cloud

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On-demand self-service allows users to obtain, configure and deploy cloud services themselves using cloud service catalogues, without requiring the assistance of IT.This feature is listed by the National Institute of Standards and Technology (NIST) as a characteristic of cloud

computing.

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NIST

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Services

•Saas •Paas•Iaas•Xaas

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ModelsPrivate cloud

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Public cloud Models

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Hybrid cloud Models

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Amazon Elastic Compute Cloud (EC2)

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Big DataCloud bursting

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Hadoop

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Windows Azure

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VirtualizationGrid Computing

Utility Computing

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