Transforming Campus Networks to Intent-Based Networking

Chapter 1. Classic Campus Network Deployments

If you look at current campus networks from a design perspective, not much has changed in the past fifteen years of networking. Speeds have of course been increased, and fullduplex is now the default, but almost all campus networks are still about Spanning Tree Protocol (STP), assigning VLANs to ports, and providing connectivity to applications, regardless of whether these applications reside in internal datacenters or in the cloud. Spanning Tree Protocol and VLANs were introduced very early in the history of campus networks for scalability and redundancy purposes. Security has just added an extra layer of complexity for configuration. Actually, the campus network has become so reliable and available ...