System and method for fault diagnosis using distributed alarm correlation
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United States of America Patent
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Aug 14, 2007
Grant Date -
Nov 18, 2004
app pub date -
Mar 16, 2004
filing date -
Mar 17, 2003
priority date (Note) -
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Abstract
A system and method for diagnosing faults in a communication network using a distributed alarm correlation system. The alarm correlation system may include node-level alarm correlation tools (ACTs) located at nodes in the network to provide node-level alarm correlation producing node-level correlation results. The node-level ACTs may share diagnostic knowledge with other node-level alarm correlation tools at other nodes. Each of the node-level ACTs may also share the diagnostic knowledge and the node-level correlation results with a higher-level ACT. The higher-level ACT may provide higher-level alarm correlation to produce higher-level correlation results.
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