Methods and apparatus for hierarchical routing in communication networks

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United States of America Patent

PATENT NO 8773992
APP PUB NO 20120087377A1
SERIAL NO

12901945

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Abstract

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Methods and apparatus for hierarchical routing in communication networks are disclosed. An example hierarchical routing method for a communication network disclosed herein comprises determining a plurality of constrained weighted paths to connect pairs of border nodes of a cluster in the communication network, each constrained weighted path having a respective bandwidth and a respective weight, a constrained weighted path for a pair of border nodes of the cluster being selected, based on a bandwidth threshold, from a set of possible paths capable of connecting the pair of border nodes, and advertising the plurality of constrained weighted paths determined for the cluster.

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Patent Owner(s)

  • AT&T INTELLECTUAL PROPERTY I, L.P.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lai, Wai Sum Matawan, US 13 266

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