Fault detection and diagnosis
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United States of America Patent
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Sep 1, 2009
Grant Date -
Aug 4, 2005
app pub date -
Jun 30, 2004
filing date -
Jan 30, 2004
priority date (Note) -
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Abstract
A network troubleshooting framework is described. In an implementation, a method includes detecting discrepancy in operation of a network by supplying data that describes the network to a network simulation so that the network simulation provides an estimation of network performance. A determination is made as to whether the estimation of network performance differs from observed network performance of the network. A root cause of the discrepancy is diagnosed by injecting one or more of a plurality of faults into the network simulation until the estimation of network performance approximates the observed network performance.
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