具有成本效益的IP跟踪发布使用数据草图

Lihua Miao, W. Ding, Haiting Zhu, Qin Xia
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引用次数: 2

摘要

IP跟踪是在测量点捕获的IP数据包(或数据包头)的集合。它们的出版是网络研究的关键,而这一领域最受大规模关注的挑战。在本文中,我们提出了一种新的IP跟踪发布方案,它提供了比传统方法更小的传输量。基于Cisco的Net flow技术,数据提供者首先将原始IP Trace总结为草图。在汇总过程中,可以获得原始IP Trace中某些字段的额外统计信息。草图和统计数据的大小要小得多,然后发布而不是原始的IP Trace。基于蒙特卡罗仿真技术,数据下载器可以根据草图和统计数据生成合成IP Trace,保留了原始IP Trace的大部分统计特性。实验表明,该方案的运输量仅为传统方法的3%,同时隐私得到了更好的保护。最后,使用两个网络性能指标(吞吐量和RTT)比较了合成IP Trace和原始IP Trace的效用。结果表明,该方案是可行的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cost-Effective IP Trace Publishing Using Data Sketch
IP Traces are sets of IP packets (or packet headers) captured at the measuring point. Their publishing, which is most challenged by massive size concern, is crucial for network research. In this paper, we propose a new scheme for IP Trace publishing which offers much smaller transportation quantity than the traditional methods. Based on Cisco's Net flow technique, the data provider first summarizes an original IP Trace to a sketch. During the summarizing process, extra statistics of certain fields in the original IP Trace are obtained. The sketch and the statistics, which are much smaller in size, are then published instead of the original IP Trace. Based on the Monte Carlo simulation technique, the data down loader can generate a synthetic IP Trace from the sketch and the statistics which preserves most of the statistical properties of the original IP Trace. According to our experiments, the transportation quantity of our scheme is only 3% of that in the traditional methods and meanwhile privacy is better protected. In the end, the utility of the synthetic IP Trace and that of the original IP Trace are compared using two network performance metrics (throughput and RTT). The result shows that this scheme is feasible.
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