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SIGNATURE SEARCHING METHOD ACCORDING TO THE LOCATION OF SIGNATURE WITHIN A PACKET CAPABLE OF SHORTENING THE TIME CONSUMED IN SIGNATURE SEARCH AND SIGNATURE RANGE
SIGNATURE SEARCHING METHOD ACCORDING TO THE LOCATION OF SIGNATURE WITHIN A PACKET CAPABLE OF SHORTENING THE TIME CONSUMED IN SIGNATURE SEARCH AND SIGNATURE RANGE
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机译:在能够缩短签名搜索和签名范围所花费的时间的包内根据签名位置进行签名搜索的方法
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摘要
PURPOSE: A signature searching method according to the location of signature within a packet is provided to process a signature search and signature rand search into one stage.;CONSTITUTION: Sub payload which will be compared with a signature from a payload of a packet is extracted(S100). An offset which is information within payload of a sub payload is generated(S200). A search key which comprises wih the extracted sub payload and the generated offset is generated(S300). A TCAM(Ternary Content Addressable Memory) matching is performed to check whether the search key generate in a TCAM entry matches or not(S400). The TCAM entry is comprised of offset, the information which signature must be located within the payload, and a signature.;COPYRIGHT KIPO 2011
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