Prefix matching algorithem
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United States of America Patent
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Issued Date -
Sep 25, 2008
app pub date -
Mar 23, 2007
filing date -
Mar 23, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A prefix matching algorithm and method thereof are disclosed. The prefix matching engine for matching prefix of an input stream against prefixes of predefined signatures includes a prefix logic, a prefix look-up table storing prefix information of the predefined signatures and a table entry buffer. According to a portion of the input stream, the prefix logic is capable of accessing a predetermined number of table entries in the prefix look-up table and stores table entry values of the predetermined number of table entries in the table entry buffer. By examining the temporary table entry values in the table entry buffer, the prefix logic determines whether a prefix matching is found.
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