H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/24 (2006.01) H04L 12/56 (2006.01) H04L 29/14 (2006.01)
Patent
CA 2350449
Methods, systems, computer readable media are provided which facilitate the selection of multiple paths through a network represented by a network topology which take into account shared risk which may exist between network resources. The method involves identifying a first path through the network topology from a source node to a destination node, the first path comprising a first sequence of network resources. For at least one shared risk group, a determination is made if any of the at least one shared risk group includes any of the first sequence of network resources, a shared risk group being a group of network resources within the network topology which have a shared risk. A topology transformation is performed of the network topology into a virtual topology which discourages the use of network resources in any shared risk group determined. A second path through the virtual topology is identified from the source node to the destination. The method may be adapted to encourage node and/or edge disjointness.
Carpini Walter Joseph
Dang Cuong Tu
Edmison Kelvin Ross
Neustadter Udo Mircea
Pieda Peter Steven
Alcatel-Lucent Canada Inc.
Donnelly Victoria
Tropic Networks Inc.
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