A delay-based approach for congestion avoidance in interconnected heterogeneous computer networks
ACM SIGCOMM Computer Communication Review
Netalyzr: illuminating the edge network
IMC '10 Proceedings of the 10th ACM SIGCOMM conference on Internet measurement
BufferBloat: what's wrong with the internet?
Communications of the ACM
Probe and pray: using UPnP for home network measurements
PAM'12 Proceedings of the 13th international conference on Passive and Active Measurement
Dissecting Bufferbloat: measurement and per-application breakdown of queueing delay
Proceedings of the 2013 workshop on Student workhop
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"Bufferbloat" is the growth in buffer size that has led Internet delays to occasionally exceed the light propagation delay from the Earth to the Moon. Manufacturers have built in large buffers to prevent losses on Wi-Fi, cable and ADSL links. But the combination of some links' limited bandwidth with TCP's tendency to saturate that bandwidth results in excessive queuing delays. In response, new congestion control protocols such as BitTorrent's uTP/LEDBAT aim at explicitly limiting the delay that they add over the bottleneck link. This work proposes and validate a methodology to monitor the upstream queuing delay experienced by remote hosts, both those using LEDBAT, through LEDBAT's native one-way delay measurements, and those using TCP (via the Timestamp Option).