chapter 1
Introducing Cloud Computing
FOR YEARS DEVELOPERS AND network administrators have represented the Internet within design documents as a cloud. By abstracting the Internet’s technologies and underlying protocols as simply a cloud, as shown in FIGURE 1-1, the developers could temporarily ignore the communication complexity and simply assume that messages would flow successfully from one Internet-connected network to another.
Learning Objectives
This chapter introduces cloud computing. By the time you finish this chapter, you will be able to do the following:
• Understand the abstract nature of cloud computing.
• Describe evolutionary factors of computing that led to the cloud.
• Describe virtualization at both the desktop and the ...
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