IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Regular Section
Acceleration of Deep Packet Inspection Using a Multi-Byte Processing Prefilter
Hyejeong HONGSungho KANG
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2013 Volume E96.B Issue 2 Pages 643-646

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Abstract

Fast string matching is essential for deep packet inspection (DPI). Traditional string matchers cannot keep up with the continuous increases in data rates due to their natural speed limits. We add a multi-byte processing prefilter to the traditional string matcher to detect target patterns on a multiple character basis. The proposed winnowing prefilter significantly reduces the number of identity blocks, thereby reducing the memory requirements.

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© 2013 The Institute of Electronics, Information and Communication Engineers
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