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Computer and Communication Networks, Second Edition by Nader F. Mir

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Chapter 16. Cloud Computing and Network Virtualization

Cloud computing has emerged as a widely accepted computing paradigm. It arose from the demand for shared computing resources, establishing a pay-as-you-go business model for computing and information technology services. Without virtualization as a part of the structure of the cloud, it is hard to imagine that cloud computing could have become a new computing paradigm. Virtualization encompasses the administration of virtual machines (VMs) and possibly virtual networks (VNs) to achieve optimum utilization of cloud resources. This chapter focuses on the fundamentals of cloud computing and describes the following major topics:

Cloud computing and data centers

Data center networks (DCNs) ...

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