July 2002
Intermediate to advanced
608 pages
14h 52m
English
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What Is Protection?
Protection, in the context of fast restoration, is having procedures in place that, when applied to selected resources, ensures minimal loss of traffic upon failure. Protected resources could either be viewed as physical resources (link or nodes) or logical resources (the LSPs that cross a link or node). Regardless of how you look at it, network failures are always physical in origin—a link or a node goes down, taking some LSPs with it. What protection boils down to is protection of logical resources (LSPs) from physical failures (links or nodes).
For all subsequent discussions in this chapter (or, for that matter, anywhere in MPLS), the term protection should be associated with the fact that backup resources are preestablished ...
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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.