Patent ID: 9660898
Date: 2017-05-23
CPC Classifications: H04L

Claim:
1. A method comprising: exchanging, by a first routing device and with a second routing device, a plurality of targeted hello messages using a Protocol Independent Multicast (PIM) protocol to establish a targeted neighbor connection between the first routing device and the second routing device, wherein the first routing device comprises a rendezvous point that exchanges the plurality of targeted hello messages with the second routing device via at least one intermediate routing device, wherein the second routing device comprises a first hop router communicatively coupled to at least one source device that provides at least one multicast stream, and wherein exchanging the plurality of targeted hello messages comprises: receiving, by the first routing device and from the second routing device using the targeted neighbor connection, a register message that includes a plurality of multicast stream data elements, wherein each multicast stream data element identifies a source address and a group address that are collectively associated with a respective multicast stream, and wherein each multicast stream data element further indicates whether the respective multicast stream is active or withdrawn.