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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29. Service Chaining
When reading about software-defined network (SDN), the phrase service chaining comes up a lot, and it is not initially clear what relevance the term has to SDN. Service chaining, after all, is nothing new; it’s been around in networks for some time, and it relates to the way hardware, typically security appliances, were attached to one another to form a physical chain of devices that provided the combined functions, which you required. For example, you may have wanted Network Address Translation (NAT), followed by intrusion detection (IDS) and then antivirus (AVS), followed by URL and content filtering and a firewall (FW). If that were the case, the network administrators would build these appliances and see to it that they ...
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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.