Chapter 28. SDN and Network Programmability
Welcome to the final technology-focused chapter of the book!
The broad topic area called network programmability by some, or Software Defined Networking by others, creates a new way to build networks.
The CCNA R&S certification teaches the traditional model for operating and controlling networks, a model that has existed for decades. You understand protocols that the devices use, understand the commands that can customize how those protocols operate, and add distributed configuration to the devices, device by device, to implement the network.
Network programmability changes the operational model for networks, requiring new methods of controlling the devices to enable the new operational models. The ...
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