November 2006
Intermediate to advanced
422 pages
8h 55m
English
book
MPLS and Next-Generation Networks: Foundations for NGN and Enterprise Virtualization
by Monique Morrow, Azhar Sayeed
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Chapter 8. Traffic Engineering
Traffic engineering is a familiar topic in the communications industry. Network operators have used traffic engineering on circuit infrastructure to evenly distribute traffic in the network. In ATM networks, PVCs are placed by operators such that network load is distributed evenly. Even dynamic routing protocols such as Private Network to Network Interface (PNNI) send topology and bandwidth information to the switches, and switches perform admission control when admitting virtual circuits (VC) in the network.
Today most networks are packet-networks, so they also use mesh connections for better redundancy and resilience. If failure occurs, reconvergence causes the IP routing devices to use the new paths in the network. ...
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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.