Patent ID: 8477638
Filing Date: 2013-07-02
Classification: H04L

Abstract:
1. A method, comprising: obtaining, by a source node in a multi-ring topology, data to be transmitted to one or more other nodes in the multi-ring topology; determining whether the multi-ring topology is in a wrapped state wherein one or more nodes in the multi-ring topology, other than the source node, are configured to receive a packet on a first ring of the multi-ring topology and transmit the packet on a second ring of the multi-ring topology; and if the multi-ring topology is not in a wrapped state, then transmitting the data in one or more multicast packets on either the first ring or the second ring of the multi-ring topology, wherein the one or more multicast packets include a ring identification corresponding to the ring on which the multicast packets are transmitted, or if the multi-ring topology is in a wrapped state: