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Name: Multiprotocol Label Switching (MPLS) performance forwarding Adobe Reader
Type: Application Note
Size: 322 KB
Date: June 2001
 

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Multiprotocol Label Switching (MPLS) performance forwarding

A detailed description of MPLS is beyond the scope of this application note, and there are many documents on this topic.

It is important, however, to understand that one of the key features of MPLS technology is that it has two distinct functional components - a control component and a forwarding component. The control component uses standard routing protocols (i.e. RSVP-TE, CR-LDP) to exchange routing data with other routers to build and maintain a forwarding table. The forwarding component, on the other hand, searches the forwarding table for a match of the arriving packets and directs them from the input interface to the output interface across the router ¦s switch fabric.

This application note focuses on the forwarding capabilities of MPLS technologies.