Traffic matrix computation for a backbone network supporting virtual private networks

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United States of America Patent

PATENT NO 8811185
APP PUB NO 20130279352A1
SERIAL NO

13594182

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Abstract

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This invention provides a more effective method for capacity planning and traffic engineering of packet networks that connect Virtual Private Network (VPN) sites. A distributed architecture efficiently computes traffic matrixes that show the number of bytes and/or packets exchanged among provider edge (PE) routers and/or service nodes. Each PE router in a service node is exports flow records to a Flow Record Processor (FRP) in the same location. The FRPs use these records in conjunction with configuration data extracted from the PE routers to compute partial traffic matrixes. The partial traffic matrixes are uploaded to a Matrix Generator to create a total traffic matrix. The total traffic matrix is essential input for capacity planning or traffic engineering tools.

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Patent Owner(s)

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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Golan, Joseph Ocean, US 16 441
O'Neil, Joseph Thomas Staten Island, US 80 4612

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