May 2009
Intermediate to advanced
512 pages
13h 14m
English
Content preview from Deploying QoS for Cisco IP and Next Generation Networks
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Chapter 1
The Evolution of Communication Systems
From the traditional telecommunications point of view, the network is a way to link two end devices from different locations for short periods of time. Network users generally pay for access to the telecom network as well as paying per-connection charges.
Contrast this scenario with the traditional data networking ideology, whereby the media are shared by groups of people all working at the same time. Data represented the important aspect of the system; the network was merely a resource allowing users to execute applications, such as browsing Websites, sending email, printing documents, and transferring files. Whether it took 2 seconds or 20 for the transfer of data was not the issue in general; ...
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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.