Abstract
Traffic sampling technology has been widely deployed in front of many high-speed network applications to alleviate the great pressure on packet capturing. Packet-driven sampling mechanism is believed better than time-driven one and no in-depth comparison is given to these two kinds of mechanisms. In this paper, a systematic comparison is conducted on three sampling methods, 1/N packet-driven, 1/T time-driven and t/T time-driven samplings, with a result showing that t/T sampling achieves similar accuracy as 1/N sampling in most aspects, and surpasses 1/N sampling in estimating the interval time distribution. Then we try to optimize performance of t/T sampling by tuning its parameters, and verify putative conclusions with both real and simulation traffic. The experiment in a real measurement application also indicates that these two kinds of sampling mechanisms achieve similar online estimation performance.
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© 2006 Springer-Verlag Berlin Heidelberg
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Shao, X., He, T., Kong, S., An, C., Li, X. (2006). Time-Driven vs Packet-Driven: A Deep Study on Traffic Sampling. In: Chong, I., Kawahara, K. (eds) Information Networking. Advances in Data Communications and Wireless Networks. ICOIN 2006. Lecture Notes in Computer Science, vol 3961. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11919568_61
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DOI: https://doi.org/10.1007/11919568_61
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-48563-6
Online ISBN: 978-3-540-48564-3
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