Patent ID: 8339996
Filing Date: 2012-12-25
Classification: H04L

Abstract:
1. A method comprising: a second router receiving a multicast data packet from a first rendezvous point (RP) router, wherein the RP router is a root of a first shared distribution tree for distributing the multicast data packet; the second router transmitting a first label-switched packet to a third router via a first point-to-point label switched path (LSP), wherein the second router transmits the first label-switched packet via a port of the second router, wherein the first label-switched packet comprises a first label corresponding to the first point-to-point LSP, and wherein the first label-switched packet comprises the multicast data packet; the second router replicating the multicast data packet to produce a replicated multicast data packet; the second router transmitting a second label-switched packet to a fourth router via a second point-to-point LSP, wherein the second router transmits the second label-switched packet via the port of the second router, wherein the second label-switched packet comprises a second label corresponding to the second point-to-point LSP, and wherein the second label-switched packet comprises the replicated multicast data packet; wherein the first point-to-point LSP is distinct from the second point-to-point LSP, and wherein the first and second labels are distinct from each other.