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Measuring Interdomain Congestion and its Impact on QoE
A. Dhamdhere, M. Luckie, D. Clark, and k. claffy, "Measuring Interdomain Congestion and its Impact on QoE", in Workshop on Tracking Quality of Experience in the Internet, Oct 2015.

A position paper at the NSF/FCC Workshop on Tracking Quality of Experience in the Internet in October 2015.

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Measuring Interdomain Congestion and its Impact on QoE

Amogh Dhamdhere 1
Matthew Luckie 1
David Clark 2
kc claffy 1
1

CAIDA, San Diego Supercomputer Center, University of California San Diego

2

Computer Science and Artificial Intelligence Laboratory - CSAIL, Massachusetts Institute of Technology

We have developed a method to localize and quantify interdomain congestion in the Internet. Our Time Sequence Latency Probes (TSLP) method depends on two facts: Internet traffic patterns are typically diurnal, and queues increase packet delay through a router during periods of adjacent link congestion. Repeated round trip delay measurements from a single test point to the two edges of a congested link will show sustained increased latency to the far (but not to the near) side of the link. We are designing and implementing a system for network-wide measurement of congestion using the TSLP method. We plan to support QoE measurements on this system to complement our measurement of QoS metrics such as delay and loss rate.

Keywords: active data analysis, data, measurement methodology, policy, topology
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