March 2016
Beginner to intermediate
400 pages
8h 34m
English
book
SDN and NFV Simplified: A Visual Guide to Understanding Software Defined Networks and Network Function Virtualization
by Jim Doherty
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23. SDN Controllers
Much of what has been discussed previously has focused on SDN, but has only skirted around the devices that make SDN possible: SDN controllers. We know from the SDN architecture that the controller is the keystone, the top of the architecture hierarchy, which serves as the brain of the system. However, what is not so clear is how that controller functions or even fits into our network topology.
This section looks at how controllers function and how they play an integral part in regulating the data flow between the application layer (the applications we use) and the physical layer (the routers and switches our data has to cross). For instance, if you are going to replace the control layer of every device—router or switch—you ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.