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APFA: Asynchronous Parallel Finite Automaton for Deep Packet Inspection in Cloud Computing

机译：APFA：用于云计算中的深度数据包检查的异步并行有限自动机

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摘要

Security in cloud computing is getting more and more important recently. Besides passive defense such as encryption, it is necessary to implement real-time active monitoring, detection and defense in the cloud. According to the published researches, DPI (deep packet inspection) is the most effective technology to realize active inspection and defense. However, most recent works of DPI aim at space reduction but could not meet the demands of high speed and stability in the cloud. So, it is important to improve regular methods of DPI, making it more suitable for cloud computing. In this paper, an asynchronous parallel finite automaton named APFA is proposed, by introducing the asynchronous parallelization and the heuristically forecast mechanism, which significantly decreases the time consumed in matching while still keeps reducing the memory required. What is more, APFA is immune to the overlapping problem so that the stability is also enhanced. The evaluation results show that APFA achieves higher stability, better performance on time and memory. In short, APFA is more suitable for cloud computing.
机译：最近，云计算中的安全性变得越来越重要。除了诸如加密之类的被动防御之外，还必须在云中实现实时主动监视，检测和防御。根据已发表的研究，DPI（深度包检查）是实现主动检查和防御的最有效技术。但是，DPI的最新工作旨在减少空间，但不能满足云中高速和稳定的要求。因此，重要的是改进常规的DPI方法，使其更适合于云计算。本文通过引入异步并行化和启发式预测机制，提出了一种称为APFA的异步并行有限自动机，该方法显着减少了匹配所消耗的时间，同时仍在减少所需的内存。而且，APFA不受重叠问题的影响，因此稳定性也得到增强。评估结果表明，APFA具有更高的稳定性，更好的时间和内存性能。简而言之，APFA更适合云计算。

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  • 来源
    《Cloud computing》|2009年|P.529-540|共12页
  • 会议地点 Beijing(CN);Beijing(CN)
  • 作者

    Yang Li; Zheng Li; Nenghai Yu; Ke Ma;

  • 作者单位

    MOE-Microsoft Key Laboratory of Multimedia Computing and Communication, University of Science and Technology of China;

    MOE-Microsoft Key Laboratory of Multimedia Computing and Communication, University of Science and Technology of China;

    MOE-Microsoft Key Laboratory of Multimedia Computing and Communication, University of Science and Technology of China;

    MOE-Microsoft Key Laboratory of Multimedia Computing and Communication, University of Science and Technology of China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计算技术、计算机技术;
  • 关键词

    cloud computing; deep packet inspection; asynchronous parallel finite automaton;

    机译：云计算;深度数据包检查；异步并行有限自动机;

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