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On the Comparison of Packet-Pair and Packet-Train Measurements

Fulltext:


Publication Type:

Conference/Workshop Paper

Venue:

Swedish National Computer Networking Workshop


Abstract

Measurements of link bandwidth and available bandwidth are getting increasingly important in the Internet. One example is to verify service level agreements (customer: ``Do I get the bandwidth I'm paying for?'').When developing accurate measurement methods based on active probing it is important to understand (at the packet level) how probe-packet flows and cross-traffic flows interact with each other. Several existing methods rely on packet-pair or packet-train methods. In this paper we investigate an effect that only packet trains can suffer from. Hence, we rise the thought that there might be a significant difference in measurement results when probing a network path using packet-pair and packet-train methods. We show, by an example, that the variance measure will give different results depending on the probing method.

Bibtex

@inproceedings{Johnsson496,
author = {Andreas Johnsson},
title = {On the Comparison of Packet-Pair and Packet-Train Measurements},
month = {September},
year = {2003},
booktitle = {Swedish National Computer Networking Workshop},
url = {http://www.es.mdh.se/publications/496-}
}