Shuhui Chen, Rongxing Lu and Xuemin (Sherman) Shen SRC: a multicore NPU-based TCP stream reassembly card for deep packet inspection Security and Communication Networks 7
To improve the throughput performance of stream reassembly in network intrusion detection system and network forensics system, this paper proposes a stream reassembly card (SRC) based on multicore network processing unit (NPU). To take full advantage of NPU, three optimistic techniques called stream table dispatching, no-locking timeout, and multichannel virtual queue are introduced to further obtain higher performance. The relationship between the system throughput and memory size is analyzed, and experiment results based on real system are given.
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