Comparing Raw Cloud Computing and PaaS
Raw computing clouds are machine-centric services that provide on-demand infrastructure as a service (IaaS) for the deployment of applications. Such clouds provide little more than the computing power and storage capacity needed to execute virtual servers that comprise an application. Some SaaS vendors looking for a quick go-to-market strategy avoid the challenges of developing a true multitenant solution and choose to deliver single-tenant instances via IaaS.
Platform as a service (PaaS) such as Force.com is an application-centric approach that abstracts the concept of servers altogether. PaaS lets developers focus on core application development from day one and to deploy an application with the push of ...
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