Round-trip time inference via passive monitoring

Authors:
Ryan Lance;Ian Frommer
Affiliations:
University of Maryland, College Park, MD;University of Maryland
Venue:
ACM SIGMETRICS Performance Evaluation Review - Special issue on the First ACM SIGMETRICS Workshop on Large Scale Network Inference (LSNI 2005)
Year:
2005

Citing 2
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NETWORKING'10 Proceedings of the 9th IFIP TC 6 international conference on Networking
Estimating TCP latency approximately with passive measurements

PAM'13 Proceedings of the 14th international conference on Passive and Active Measurement

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Abstract

The round-trip time and congestion window are the most important rate-controlling variables in TCP. We present a novel method for estimating these variables from passive traffic measurements. The method uses four different techniques to infer the minimum round-trip time based the pacing of a limited number of packets. We then estimate the sequence of congestion windows and round-trip times for the whole flow. We validate our algorithms with the ns2 network simulator.