September 2008
Beginner
456 pages
11h 41m
English
Content preview from Sams Teach Yourself TCP/IP in 24 Hours, Fourth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Why a New IP?
The IP addressing system described in Hour 4, “The Internet Layer,” has served the Internet community for nearly a generation, and those who developed it are justifiably proud of how far TCP/IP has come. But the Internet community has one big problem: The world might run out of addresses. This looming address crisis might seem surprising, because the 32-bit address field of the current IP format can provide over three billion possible host IDs. But it is important to remember how many of these three billion addresses are actually unusable.
A network ID is typically assigned to an organization, and that organization controls the host IDs associated with its own network. Recall from Hour 4 that IP addresses were originally intended ...
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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.