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The Illustrated Network, 2nd Edition by Walter Goralski

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Chapter 29

Cloud, SDN, and NFV

Abstract

After introducing network management but before tackling security might seem an odd place to put an introduction to cloud concepts, software-defined networks (SDNs), and network functions virtualization (NFV). But the whole issue of giant data centers is how to manage such networks, and this chapter also introduces modern methods of dealing with enormous quantities of data, virtual machines (VMs), and the methods used for orchestration, which makes sense of it all.

The rise of VMs is something that can be explained separately and easily. The pace of hardware development (and pricing) has outstripped software development for some time now. So the concept of a data center bare metal server (sometimes seen as ...

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