Measuring the Performance of User Traffic in Home Wireless Networks

Abstract : This paper studies how home wireless performance characteristics af-fect the performance of user traffic in real homes. Previous studies have focused either on wireless metrics exclusively, without connection to the performance of user traffic; or on the performance of the home network at higher layers. In contrast, we deploy a passive measurement tool on commodity access points to correlate wireless performance metrics with TCP performance of user traffic. We implement our measurement tool, deploy it on commodity routers in 66 homes for one month, and study the relationship between wireless metrics and TCP per-formance of user traffic. We find that, most of the time, TCP flows from devices in the home achieve only a small fraction of available access link throughput; as the throughput of user traffic approaches the access link throughput, the charac-teristics of the home wireless network more directly affect performance. We also find that the 5 GHz band offers users better performance better than the 2.4 GHz band, and although the performance of devices varies within the same home, many homes do not have multiple devices sending high traffic volumes, implying that certain types of wireless contention may be uncommon in practice.
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Communication dans un congrès
Passive and Active Network Measurement Conference, Mar 2015, New York, United States. 2015, Lecture notes in computer science
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Contributeur : Renata Teixeira <>
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Dernière modification le : mardi 17 avril 2018 - 11:24:57
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Srikanth Sundaresan, Nick Feamster, Renata Teixeira. Measuring the Performance of User Traffic in Home Wireless Networks. Passive and Active Network Measurement Conference, Mar 2015, New York, United States. 2015, Lecture notes in computer science. 〈hal-01100675〉

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