Patent ID: 7782790
Filing Date: 2010-08-24
Classification: H04W

Abstract:
1. In a network comprising a plurality of routers and links interconnecting the plurality of routers, wherein the plurality of routers communicate using multiprotocol label switching, and wherein a link between two routers may be a link bundle comprising two or more component links, a method of revealing the component links of link bundles in the network, the method comprising: transmitting a sequence of request packets and reply packets along at least one path in the network, the at least one path comprising a series of links in the network, wherein a request packet is configured to request information about links downstream from an origination router of the plurality of routers, wherein the origination router is configured to transmit a request packet having as a destination a predetermined router, and wherein the predetermined router is configured to transmit a reply packet in response to receipt of the request packet, for each router in the plurality of routers that receives a request packet: for a router in the plurality of routers that is the predetermined router of a received request packet that responds to the received request packet with a reply packet that includes a downstream mapping field and at least one link bundle mapping field: