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HTTP Traffic Classification Based on Hierarchical Signature Structure
Sung-Ho YOON Jun-Sang PARK Ji-Hyeok CHOI Youngjoon WON Myung-Sup KIM
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/11/01
Online ISSN: 1745-1361
Type of Manuscript: LETTER
Category: Information Network
HTTP traffic classification, payload signature, signature hierarchy, hash,
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Considering diversified HTTP types, the performance bottleneck of signature-based classification must be resolved. We define a signature model classifying the traffic in multiple dimensions and suggest a hierarchical signature structure to remove signature redundancy and minimize search space. Our experiments on campus traffic demonstrated 1.8 times faster processing speed than the Aho-Corasick matching algorithm in Snort.