When people think of Cloud Computing, the service that most readily comes to mind is Infrastructure. Infrastructure as a Service (IaaS) refers to the infrastructure, storage and network services that are available from most cloud vendors.
IaaS is a completely separate offering and market from the other services provided by cloud vendors such as Software as a Service (SaaS), Platform as a Service (PaaS) or any of the many other XaaS offerings and is often confused with datacenter outsourcing or a hosting solution.
To learn more and to read the entire article at its source, please refer to the following page, Public Cloud Computing: Which vendor is your best bet?- Between the Lines - ZDNet.com
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