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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15. OpenFlow
One big problem that network engineers have with virtualization of network infrastructure devices such as routers and switches is that these devices are closed proprietary systems. This means that vendors do not reveal the inner workings of their hardware or software products to public scrutiny, and this is a major problem when it comes to programming because each switch or router is a closed system containing both the control functions (the logic that determines how traffic is handled) and the data functions (the actual moving of packets). With these two functions contained in the same appliances, network engineers are forced to configure each device in isolation. You can imagine what a daunting task this is in a large network, ...
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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.