Security

MIDeA: A Multi-Parallel Intrusion Detection Architecture

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Executive Summary

Network intrusion detection systems are faced with the challenge of identifying diverse attacks, in extremely high speed networks. For this reason, they must operate at multi-Gigabit speeds, while performing highly-complex per-packet and per-flow data processing. In this paper, the authors present a multi-parallel intrusion detection architecture tailored for high speed networks. To cope with the increased processing throughput requirements, their system parallelizes network traffic processing and analysis at three levels, using multi-queue NICs, multiple CPUs, and multiple GPUs. The proposed design avoids locking, optimizes data transfers between the different processing units, and speeds up data processing by mapping different operations to the processing units where they are best suited.

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