December 2019
Beginner
510 pages
12h 7m
English
Content preview from Networking Fundamentals
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Overview of IPv6
Let me start this chapter with a question. If IPv4 is so widespread and works well, why has IPv6 been released? Quite simply, we've run out (or are running out) of IPv4 addresses. Yes, you read that right. We have run out of 4.2 billion addresses. You might be wondering how this is possible, so let's have a look at some figures.
As of June 2019, Internet World Stats published figures that stated the world population was 7.7 billion (sourced from the United Nations Population Division), and of those, 4.4 billion people were internet users (sourced from the International Telecommunications Union (ITU)). Admittedly, quite a number of those 4.4 billion will be sharing an internet-connected device, such as a home PC, and that ...
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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.