November 2017
Intermediate to advanced
266 pages
5h 34m
English
Content preview from Practical Network Automation
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Controller-based network fabric
As we come out of the legacy hardware era in which each physical path was connected and designed to take traffic from one point to another, and where a packet had limited availability to reach from one device to another, SDN is ensuring that we have a network fabric for our data to reach between different sources and destinations.
A network fabric is a collection of different network devices connected to each other by a common controller ensuring that each component in the network is optimized to send traffic among each of the nodes. The underlying switch fabric, which is a physical switchboard with ports (like Ethernet, ATM, and DSL), is also controlled and programmed by a controller which can ensure (by creating ...
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