October 2003
Intermediate to advanced
240 pages
6h 25m
English
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GMPLS Protection and Restoration Mechanisms
GMPLS introduces the necessary features in routing, signaling, and link management to support the fault management required in optical and electronic networks. Fault management requires the following capabilities:
Fault detection— For optical networks, fault detection can be handled via mechanisms such as loss of light (LOL) and optical signal-to-noise ratio (OSNR) at the optical level, and bit error rate (BER), SONET/SDH Alarm Indicator Signal (AIS), or LOL at the SONET/SDH level.
Fault isolation— For GMPLS, LMP can be used for fault isolation. The LMP fault-management procedure is based on sending ChannelActive and ChannelFail messages over the control channel. The ChannelActive message is used to ...
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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.