November 2015
Intermediate to advanced
320 pages
8h 40m
English
book
Navigating Network Complexity: Next-generation Routing with SDN, Service Virtualization, and Service Chaining
by Russ White, Jeff Tantsura
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Chapter 9. Programmable Networks
In a sense, networks have been programmable from the beginning. BGP communities, originally outlined on two napkins drawn at a Washington DC bar by Tony Li and Yakov Rekhter, enshrined carrying complex policy within a routed control plane. While the tagging capability in many routing protocols, including OSPF, IS-IS, and EIGRP were useful for simple tasks, the ability to attach a full policy set to a single prefix added an entire range of capabilities. What else can policy-based routing and traffic engineering be considered other than programming the network? What’s different with the modern drive to make networks programmable (at press time—networking technology changes almost as quickly as the width of men’s ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.