December 2019
Beginner
510 pages
12h 7m
English
Content preview from Networking Fundamentals
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Transmission types
With IPv4, we had three types of transmissions: unicast, multicast, and broadcast. IPv6 has similar transmission types, but drops broadcast and introduces anycast transmissions.
The easiest way to understand anycast is with an analogy. Imagine you have seen a crime being committed. Do you have to tell every police officer (broadcast)? Do you have to tell a particular police officer (unicast)? Or do you have to tell the first police officer that you see (anycast)? Anycast transmissions are sent to the nearest device from a predefined group of devices. Usually, anycast addresses are allocated to routers only.
Before we move on to the next section, I would just like to reiterate how important it is for you to understand the ...
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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.