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Cloud Computing Service Models

Cloud Computing Service Models

  • SaaS (Software as a Service): When the software is hosted and you pay for a subscription. "on-demand software" as well. Examples: Spotify, Gmail, Skype,...

  • PaaS (Platform as a Service): Provides you computing platforms which typically includes operating system, programming language execution environment, database, web server etc. Examples: Heroku, Openshift, Windows Azure...

  • IaaS (Infrastructure as a Service): Provides you the computing infrastructure, physical or (quite often) virtual machines and other resources like virtual-machine disk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks. Examples: Amazon EC2, Windows Azure, Rackspace, Google Compute Engine,...

At the end this cloud computing services models has under the Everything as a service umbrella.

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