6.10. CONCLUSION

This chapter has discussed a solution to a missing piece of the converged network jigsaw puzzle, namely point-to-multipoint LSPs. Previously, MPLS has not interacted comfortably with multicast, typically coexisting via a 'ships in the night' approach. The advent of P2MP-TE means that multicast traffic can enjoy the traffic engineering advantages already offered by MPLS in the unicast case, such as bandwidth guarantees and fast-failover mechanisms. As a consequence of the 'grand unification' of the two worlds of MPLS and multicast, MPLS networks are now being used for professional broadcast TV distribution, a very exacting application that was previously difficult to support on an MPLS network.

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