July 2017
Intermediate to advanced
434 pages
12h 59m
English
Content preview from FreeSWITCH 1.8
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Understanding the evolution of NAT
The demand for IPv4 addresses has grown over the years since the Internet has evolved. As the demand increased, the pool of available addresses has been depleted and there is a shortage of available IPv4 addresses. Two major attempts to deal with this situation have become popular over time - NAT and IPv6.
NAT has become a fairly popular way to take a small subset of public IP addresses and utilize them across a larger number of devices on a network. NAT took off in the 1990s as a way to mitigate the IP starvation problem until IPv6 took off, but now it's so popular that many people don't want to let go of it. Meanwhile, system administrators are forced to embrace the looming legacy of NAT and make sure ...
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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.