| 高速网络环境下的快速包捕获技术 |
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| 引用本文： | 孙国学,马严. 高速网络环境下的快速包捕获技术[J]. 网络安全技术与应用, 2005, 0(10): 29-31 |
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| 作者姓名： | 孙国学 马严 |
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| 作者单位： | 北京邮电大学信息网络中心,北京,100876 |
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| 摘 要： | 随着计算机网络技术的快速发展,链路层以下的数据传输能力有了极大提高,与此同时,对高速网络监管的需求向快速包捕获技术提出了新的更高的要求。本文探讨了以libpcap为基础的几种快速包捕获技术——改善内存管理在包捕获中的作用、包捕获中的半轮询机制的NAPI技术。
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| 关 键 词： | BPF DMA MMAP NAPI 半轮询 |
Technology of Packet Capturing in High-Speed Network |
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| Sun Guoxue,Ma Yan. Technology of Packet Capturing in High-Speed Network[J]. Net Security Technologies and Application, 2005, 0(10): 29-31 |
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| Authors: | Sun Guoxue Ma Yan |
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| Affiliation: | Sun Guoxue,Ma Yan Network Information Center Beijing University of Post and Telecommunication,Beijing,100876 |
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| Abstract: | With the development of computer network, the ability of Data-Link layer to transport packets is increasing sharply. Monitoring the high-speed network requires new technology applied for capturing packets. This paper will discuss several new technology to high-speed packet capture. |
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| Keywords: | BPF DMA MMAP NAPI Half-Polling |
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