Abstract

This paper addresses the required extensions to the multiprotocol label switching (MPLS) signaling protocols, resource reservation protocol with traffic engineering extensions (RSVP-TE) and label distribution protocol (LDP), to support MPLS network multicasting functionalities. These extensions to the signaling protocols enable MPLS networking to conduct all required multicasting features that IP multicasting protocols are capable of, while adding on the feature benefits of MPLS traffic engineering.

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