Patent ID: 7813340
Filing Date: 2010-10-12
Classification: H04L

Abstract:
1. A method of facilitating subscription among at least two nodes in a distributed network, said method comprising the steps of: designating one of the nodes as a publisher node; designating one of the nodes as a subscriber node; and recording a path between the subscriber node and the publisher node, the path comprising at least one link between the subscriber node and the publisher node; said recording step comprising the step of recording each distinct link in the path between the subscriber node and the publisher node; said recording step comprising recording each node in the path between the subscriber node and the publisher node, one node at a time; wherein a type of each node in the path is ascertained; wherein the nodes belong to a distributed multicast network; and wherein said step of recording a path comprises ascertaining whether any intervening node is present in the path between the subscriber node and the publisher node.