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Sampled deterministic finite automata for deep packet inspection
Sampled deterministic finite automata for deep packet inspection
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机译:用于深度数据包检查的确定性有限自动机采样
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摘要
In one embodiment, a method includes sampling text in a received packet at a network device and analyzing the sampled text using a sampled deterministic finite automata (DFA) to identify matches between a set of regular expressions and the text. The sampled DFA is created with the regular expressions sampled at a sampling rate calculated for the regular expressions using operations including selecting a minimum sampling rate from sampling rates computed for each of the regular expressions based on a minimum length of the text that can match the regular expression. An apparatus and logic are also disclosed herein.
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