Round-trip time inference via passive monitoring | Zendy

Ryan Lance | Zendy; Ian Frommer | Zendy

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Round-trip time inference via passive monitoring

Author(s) -

Ryan Lance,

Ian Frommer

Publication year - 2005

Publication title -

acm sigmetrics performance evaluation review

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.223

H-Index - 80

eISSN - 1557-9484

pISSN - 0163-5999

DOI - 10.1145/1111572.1111581

Subject(s) - computer science , real time computing , network packet , traffic congestion , window (computing) , travel time , inference , simulation , computer network , transport engineering , engineering , artificial intelligence , operating system

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.

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