September 2003
Intermediate to advanced
432 pages
8h 53m
English
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Network Access Methods
This section describes the two most commonly used network access methods: carrier sense multiple access with collision detection (CSMA/CD) and token ring. Also briefly mentioned here is a middle-ground method called token bus.
CSMA/CD
Carrier sense multiple access with collision detection is the most commonly used access method in ethernet networks and is described in the IEEE 802.3 Ethernet standard. Since ethernet relies on broadcasts, any of the hosts connected to the network can transmit at any time, but the CSMA part listens to the network to see whether anyone else is transmitting. If the network is empty, the host starts sending its data; if it's busy, it waits for a random time before trying again. Having started ...
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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.