November 2006
Beginner
672 pages
15h 30m
English
Content preview from MPLS Fundamentals
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Benefits of MPLS
This section explains briefly the benefits of running MPLS in your network. These benefits include the following:
The use of one unified network infrastructure
Better IP over ATM integration
Border Gateway Protocol (BGP)-free core
The peer-to-peer model for MPLS VPN
Optimal traffic flow
Traffic engineering
Consider first a bogus reason to run MPLS. This is a reason that might look reasonable initially, but it is not a good reason to deploy MPLS.
Bogus Benefit
One of the early reasons for a label-swapping protocol was the need for speed. Switching IP packets on a CPU was considered to be slower than switching labeled packets by looking up just the label on top of a packet. A router forwards an IP packet by looking up the destination ...
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