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Conference Papers Year : 2014

A per-Application Account of Bufferbloat: Causes and Impact on Users

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Abstract

We propose a methodology to gauge the extent of queueing delay (aka bufferbloat) in the Internet, based on purely passive measurement of TCP traffic. We implement our methodology in Tstat and make it available as open source software. We leverage Deep Packet Inspection (DPI) and behavioral classification of Tstat to breakdown the queueing delay across different applications, in order to evaluate the impact of bufferbloat on user experience. We show that there is no correlation between the ISP traffic load and the queueing delay, thus confirming that bufferbloat is related only to the traffic of each single user (or household). Finally, we use frequent itemset mining techniques to associate the amount of queueing delay seen by each host with the set of its active applications, with the goal of investigating the root cause of bufferbloat.
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Dates and versions

hal-01010474 , version 1 (19-06-2014)

Identifiers

  • HAL Id : hal-01010474 , version 1

Cite

Andrea Araldo, D. Rossi. A per-Application Account of Bufferbloat: Causes and Impact on Users. 5th International Workshop on TRaffic Analysis and Characterization (TRAC), Aug 2014, Nicosia, Cyprus. pp.1-6. ⟨hal-01010474⟩
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