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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 7

Hardware Innovations

You don’t normally think of hardware as flexible. The word hardware conjures up images of hulking pieces of “big iron,” built to do a certain set of tasks, but inflexible to handle others. And while that has been the case in the past, network hardware has evolved—as it must to keep pace with the fast-changing world of organizational change and rapid business demands.

This chapter explains the following:

  • Why hardware is important even in our software-defined world

  • How networking hardware (ASIC silicon) is designed and built

  • The importance of flexible hardware to support modern enterprise networks

  • Examples of flexible hardware supporting Cisco DNA

The Importance of Hardware in a Software-Defined World

Why is hardware ...

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