Platform as a Service (PaaS)



Platform as a Service (PaaS) is a paradigm for delivering operating systems and associated services over the Internet without downloads or installation. PaaS is sometimes called "cloudware" because it moves resources from privately owned computers into the Internet "cloud." Platform as a Service (PaaS) is an outgrowth of Software as a Service (SaaS), a software distribution model in which applications are hosted by a vendor or service provider and made available to customers over the Internet.

Ning.com, Google, Microsoft, Salesforce.com and Amazon are all offering some form of PaaS

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