Locating available bandwidth bottlenecks

The spatio-temporal available bandwidth estimator (STAB), a new edge-based probing tool, locates thin links - those links with less available bandwidth than all the links preceding them - on end-to-end network paths. By localizing thin links, STAB facilitates network operations and troubleshooting,...

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Bibliographic Details
Published in:IEEE internet computing 2004-09, Vol.8 (5), p.34-41
Main Authors: Ribeiro, V.J., Riedi, R.H., Baraniuk, R.G.
Format: Article
Language:English
Subjects:
Aids
Bandwidth
Bit rate
Chirp
Delay estimation
estimation
Grid computing
Internet
Links
Network servers
Networks
Probes
probing
Telecommunication traffic
Traffic control
Trains
Troubleshooting
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Summary:The spatio-temporal available bandwidth estimator (STAB), a new edge-based probing tool, locates thin links - those links with less available bandwidth than all the links preceding them - on end-to-end network paths. By localizing thin links, STAB facilitates network operations and troubleshooting, provides insight into what causes network congestion, and aids network-aware applications. The tool uses special chirp-probing trains, featuring an exponential flight pattern of packets, which have the advantage of employing few packets while giving an accurate estimate of available bandwidth.
ISSN:1089-7801
1941-0131
DOI:10.1109/MIC.2004.45