Calculating consecutive matches using parallel computing
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United States of America Patent
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Aug 8, 2017
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N/A
app pub date -
Jun 18, 2016
filing date -
Mar 23, 2015
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Abstract
Methods and systems for determining consecutive matches are provided. According to one embodiment, a class definition and a data stream are received by a network security device. The data stream is partitioned into multiple data blocks each containing N data segments. Each data block is processed in parallel to compute: (i) a value (F) indicating whether every data segment value meets the class definition; (ii) a value (L) indicating a number of consecutive data segment values meeting the class definition starting from the left; (iii) a value (M) indicating a maximum number of consecutive data segment values meeting the class definition; and (iv) a value (R) indicating a number of consecutive data segment values meeting the class definition starting from the right. Corresponding values for each data block are then aggregated to determine a maximum number of consecutive data segment values meeting the class definition for the entire data stream.
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