Cloud computing is becoming an integral part of many companies' business and technology strategy. There are many different delivery models. But two foundational services are essential for cloud computing to become a strategic part of the overall computing infrastructure:
- Infrastructure as a Service (IaaS) enables you to gain access to compute and storage resources in an on demand model.
- Platform as a Service (PaaS) sits on top of IaaS and enables you to build applications to support the business.
Read more: http://www.theatlantic.com/sponsored/ibm-cloud-transformation/archive/2012/10/cloud-services-for-dummies/263548/#ixzz29QhsHSsl
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