Method and apparatus for communications traffic engineering

Details Method and apparatus for communications traffic engineering Method and apparatus for communications traffic engineering

H - Electricity

04

L

H04L 12/24 (2006.01) H04L 12/56 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2379043

This invention provides for a technique for selectively off loading traffic from congested sub-regions of a network to more lightly-loaded regions by making use of Multiprotocol Label Switching (MPLS). For each network element, an Interior Gateway Protocol (IGP) routing is employed to provide re-routing and to identify congested links caused by re-routed trunks for each single failure. The re-routed traffic is then analyzed and alternate Label Switched Paths (LSPs) are identified for such traffic trunks so that the traffic is directed to the alternate: LSPs during the single failure event.

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