R E P R I N T  5

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Packet Content Matching with packetC Searchsetsby Ralph Duncan, Peder Jungck, Kenneth Ross and Scott Tillman

Abstract—Increasing speeds and volumes push network packet applications to use parallel processing to boost performance. Examining the packet payload (message content) is a key aspect of packet processing. Applications search payloads to find strings that match a pattern described by regular expressions (regex). Searching for multiple strings that may start anywhere in the payload is a major obstacle to performance. Commercial systems often employ multiple network processors to provide parallel processing in general and ...

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