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Locating available bandwidth bottlenecks

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3 Author(s)
V. J. Ribeiro ; Dept. of Electr. & Comput. Eng., Rice Univ., Houston, TX, USA ; R. H. Riedi ; R. G. Baraniuk

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.

Published in:

IEEE Internet Computing  (Volume:8 ,  Issue: 5 )