Twelve adoption scenarios

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Businesses vary greatly in size, sector and maturity, and they can have very different IT requirements. Chapter 4 provides
a selection of real-life case studies for Software, Platform and Infrastructure as a Service (SaaS, PaaS and IaaS); but Table 1.1 below lists common adoption scenarios where a choice could be made between cloud computing solutions and non-cloud solutions. The scenarios are wideranging,  but they all serve to demonstrate the relative convenience of IT solutions in public clouds where capital investment in hardware and software by the customer is not necessary.