Multiplex communications – Diagnostic testing – Fault detection
Reexamination Certificate
2006-04-06
2009-08-18
Ngo, Ricky (Department: 2416)
Multiplex communications
Diagnostic testing
Fault detection
C370S241000
Reexamination Certificate
active
07577099
ABSTRACT:
A method and apparatus for automatically localizing failures in a network. Failures can be localized by receiving an observation, querying a database for a plurality of models of risks and calculating a hypothesis from the plurality of models of risks that explains the observation. The observation comprises link failures reported by a plurality of data sources. The plurality of models or risks represents links that would likely be impacted by the failure of each component within the network stored in a Shared Risk Link Group (SRLG) database. A Spatial Correlation Engine (SCORE) applies an algorithm to calculate a hypothesis from the plurality of models of risks that explains the observation, thereby, automatically localizing failures in a network.
REFERENCES:
patent: 2002/0019870 (2002-02-01), Chirashnya et al.
patent: WO 2006005665 (2006-01-01), None
Greenberg Albert G.
Kompella Ramana Rao
Snoeren Alex C.
Yates Jennifer
AT&T Corp.
Ngo Ricky
Oveissi David
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