An optimal median calculation algorithm for estimating Internet link delays from active measurements

Dima Feldman, Yuval Shavitt

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Delay estimation in the Internet can improve performance of many applications, e.g., web browsing, peer-to-peer applications, and distributed games. For this purpose, researchers suggested building an Internet distance service that can efficiently supply applications with delay information based on an Internet delay map. This can be achieved by deploying a large scale measurement infrastructure such as the DIMES project where internal delay information is extracted from end-to-end measurements. We suggest estimating internal Internet link delays by the median of the differences between the measurements to its end points. For this purpose we introduce an efficient median calculation algorithm, which works in linear time and constant space; prove its correctness; and compare its performance to the much slower intuitive algorithms on real Internet data.

Original languageEnglish
Title of host publicationFifth IEEE/IFIP Workshop on End-to-End Monitoring Techniques and Services, E2EMON'07
DOIs
StatePublished - 2007
Event5th IEEE/IFIP Workshop on End-to-End Monitoring Techniques and Services, E2EMON'07 - Munich, Germany
Duration: 21 May 200721 May 2007

Publication series

NameFifth IEEE/IFIP Workshop on End-to-End Monitoring Techniques and Services, E2EMON'07

Conference

Conference5th IEEE/IFIP Workshop on End-to-End Monitoring Techniques and Services, E2EMON'07
Country/TerritoryGermany
CityMunich
Period21/05/0721/05/07

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