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Difference between SaaS, PaaS, AaaS


What is difference between SaaS, PaaS, AaaS and are there other designations?

asked by Greg N.  –  November 1, 2012

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3 Answers


Greg, we recently ran a series of posts explaining key concepts of the cloud, including SaaS, PaaS, and IaaS. 

answered by N. Rowan  –  November 1, 2012

Generally speaking, SaaS refers to individual programs (think your accounting software, etc.) that you wouldn't download as software, but instead access remotely over the web off the vendor's servers. PaaS is the same concept, but extended a whole platform for running various programs on.

answered by Mark Aspillera  –  November 1, 2012
SCORE Does a pretty good job of differentiating between the various service models.

answered by Manish S.  –  November 2, 2012

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