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Cisco Digital Network Architecture: Intent-based Networking for the Enterprise, First Edition by Simone Arena, Matthias Falkner, David Zacks, Tim Szigeti

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Chapter 6

Introduction to Cisco DNA Infrastructure

Network infrastructure is all around you. In any city, the tall buildings you see host anywhere from several to dozens or hundreds of networks—wired and wireless network infrastructures. They support all of the users, devices, things, and applications that organizations within those buildings use to drive and support daily activities.

The network is central to today’s business infrastructure. It is an inextricable part of how business is conducted now and into the future. But how often do you stop to consider what actually makes up that network—the actual infrastructure in which the network is composed?

The next few chapters explore the hardware, software, and protocols that make up a modern ...

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