Chapter 1

Understanding Cloud Computing

A massive change is sweeping the world of information technology (IT). Consumers are choosing computing devices of different forms, and they are taking their newfound knowledge and power to the work place. They want IT to deliver services differently, and the IT community has responded with a new service-delivery mechanism called cloud computing. Marketers have rushed to use this term, often in confusing ways. This chapter aims to dispel that confusion. It explains the following:

  • The business challenges that led to cloud computing
  • What cloud computing is
  • The main cloud-computing service models
  • The main cloud-computing deployment models

The Challenges of Traditional Computing

Why do businesses utilize ...

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