这些方法提高了检测准确率和效率，使得入侵检测系统能够适应高速网络环境。
These methods can enhance the accuracy and efficiency of detection, and make intrusion detection system adapt to high-speed network.
入侵检测系统能有效防御网络上多数病毒和非法入侵，但也存在效率问题，特别是在高速网络环境下对检测效率要求非常高。
Although IDS can defend viruses and illegal intrusions effectively on the Internet, it has a performance bottleneck when efficiency is highly count, especially on the high-speed network.
随着网络速度的迅速提高，各种攻击手段的层出不尽，现行网络入侵检测系统（NIDS）很难适应当前高速网络环境而导致大量的漏检现象。
With the rapid improvement of net speed and the emergence of various attacking means, the existing NIDS cannot effectively deal with the missing detective information in high-speed network.
随着网络速度的迅速提高，各种攻击手段的层出不尽，现行网络入侵检测系统（NIDS）很难适应当前高速网络环境而导致大量的漏检现象。
With the rapid improvement of net speed and the emergence of various attacking means, the existing NIDS cannot effectively deal with the missing detective information in high-speed network.
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