July 2002
Intermediate to advanced
608 pages
14h 52m
English
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Traffic Engineering Before MPLS
How was traffic engineering done before MPLS? Let's look at two different statmux technologies that people use to perform traffic engineering—IP and ATM.
IP traffic engineering is popular, but also pretty coarse. The major way to control the path that IP takes across your network is to change the cost on a particular link. There is no reasonable way to control the path that traffic takes based on where the traffic is coming from—only where it's going to. Still, IP traffic engineering is valid, and many large networks use it successfully. However, as you will soon see, there are some problems IP traffic engineering cannot solve.
ATM, in contrast, lets you place PVCs across the network from a traffic source to a ...
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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.