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Introduction to Cloud computing
{{Introductory article|Cloud computing}}
[[File:Cloud computing.svg|400px|thumb]]
The two words in the phrase ''cloud computing'' have the following interpretations:

* '''Cloud''': As a noun, this is a metaphor for the [[Internet]],<ref name=Metaphor>{{cite web|url=
(contracted; show full)* The resources are:
** Hosted by a service provider on behalf of the entity.
** Dedicated to the exclusive use of the entity.
* Data processed by the resources is:
** Private to the entity and its associates.
** Entered or collected by them, or automatically produced for them.


{{TOC limit|limit=3}}

==Characteristics==⏎
'''Typical versus essential characteristics'''

The cloud-computing [[Introduction_to_Cloud_computing#Consumption_model |consumption model]] represents characteristics, such as payment, resource-sharing, scaling and access methods, that typically apply only to some examples of cloud computing, because they are optional alternatives rather than being necessary features.<ref name=WhatsNeeded>{{cite web|url= http://viewer.media.bitpipe.com/1103725483_536/1280958977_896/ESG_-(contracted; show full)[[Category:Cloud computing]]
[[Category:Cloud applications]]
[[Category:Cloud infrastructure]]
[[Category:Cloud platforms]]
[[Category:Cloud storage]]
[[Category:Free software for cloud computing]]
[[Category:Computing]]
[[Category:Internet]]