1. What Is Cloud Computing?—The Journey to Cloud

This chapter begins with a definition of cloud computing before providing an in-depth look at the following topics:

Cloud Service Models

Cloud Deployment Models

In this chapter, we also compare IT and application delivery processes to manufacturing supply chains. The introduction of Michael Porter’s concept of the value chain will be helpful in understanding the IT cost center. Both the supply chain analogy and the value chain concept are used in future chapters to establish a baseline for cost analysis for IT deliverables. Understanding the IT supply chain will in turn simplify the process of cost justification for cloud-computing adoption.

It is often joked that if you ask five people to ...

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