November 2004
Intermediate to advanced
336 pages
11h 24m
English
Content preview from Fault-Tolerant IP and MPLS Networks
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C
HAPTER
1
Understanding High Availability
of IP and MPLS Networks
Until recently, many service providers maintained and operated separate legacy circuit-
switched and packet-switched networks. Traditionally, voice services have been offered
over circuit-switched networks, commonly known as Public Switched Telephone Networks
(PSTN). On the other hand, connectivity between enterprises for virtual private network
(VPN) data applications has been provided over packet-switched networks such as Frame
Relay (FR) and Asynchronous Transfer Mode (ATM). Of late, many service providers are
migrating legacy Layer 2 and Layer 3 services to converged Multipr
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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.
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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.