Installing and removing MPLS paths

There are two standardized protocols for managing MPLS paths: LDP (Label Distribution Protocol) and RSVP-TE, an extension of the Resource Reservation Protocol (RSVP) for traffic engineering. Furthermore, there exist extensions of the BGP protocol that can be used to manage an MPLS path.

An MPLS header does not identify the type of data carried inside the MPLS path. If one wants to carry two different types of traffic between the same two routers, with different treatment by the core routers for each type, one has to establish a separate MPLS path for each type of traffic.

August 9, 2011

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