March 2004
Intermediate to advanced
840 pages
21h 45m
English
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Circuit-Switched Networks
Figure 2-7 shows an example of a circuit-switched network from a customer's perspective. Such a topology is also referred to as a point-to-point line or nailed-up circuit. Typically such lines are leased from a local exchange carrier (LEC) or IXC and are also referred to as leased lines. One leased line is required for each of the remote sites to connect to the headquarters at the central site.
The private nature of leased line networks provides inherent privacy and control benefits. Leased lines are dedicated, so there are no statistical availability ...
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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.