What is the relationship between cloud computing and SaaS?

Cloud Computing has 3 different service models (or stacks):



--IaaS (Infrastructure as a Service)

--PaaS (Platform as a Service)

--SaaS (Software as a Service)



Dropbox, Google Apps, Salesforce CRM etc are best examples of SaaS.



The following article describes SaaS with examples:



http://www.techno-pulse.com/2010/04/saas…





P.S. - Even Gmail is a SaaS -- free of cost :)What is the relationship between cloud computing and SaaS?
These are technical terms which mostly people got confused but the salient difference between SaaS and cloud computing is that SaaS has largely been about Internet applications used by people, whereas cloud computing is about Internet application components used by other computers” – very nice conclusion! You’ve pinpointed the fundamental difference that, if not understood, leads people down a path of confusion.