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Sixth International Conference on Networking (ICN'07)
ABW--Short-Timescale Passive Bandwidth Monitoring
Sainte-Luce, Martinique, France
April 22-April 28
ISBN: 0-7695-2805-8
Sven Ubik, CESNET, Czech Republic
Demetres Antoniades, ICS-FORTH, Greece
Arne Oslebo, UNINETT, Norway
Bandwidth usage monitoring is important for network troubleshooting and planning. Traditionally, used bandwidth is computed from router interface byte counters read by SNMP. This method only allows to check long-term averages of the total used bandwidth without information about short-term dynamics and without knowledge of what applications are consuming most bandwidth.

We describe the architecture of a novel passive bandwidth usage monitoring application. This application uses packet capture and advanced processing to continuously provide real-time information about bandwidth usage. The produced characteristics include information about shor-tterm peaks and about the percentage of bandwidth used by different protocols in different layers of the OSI model hierarchy, including detection of application protocols that use dynamic ports.

Index Terms:
performance monitoring, end-to-end performance, bandwidth measurement, passive monitoring.
Citation:
Sven Ubik, Demetres Antoniades, Arne Oslebo, "ABW--Short-Timescale Passive Bandwidth Monitoring," icn, pp.49, Sixth International Conference on Networking (ICN'07), 2007
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