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|Scopus||Web of Science®||Altmetric|
|Title:||Fast accurate computation of large-scale IP traffic matrices from link loads|
|Citation:||Performance Evaluation Review, 2003; 31(1):206-217|
|Publisher:||Association for Computing Machinery, Inc.|
|Yin Zhang, Matthew Roughan, Nick Duffield, and Albert Greenberg|
|Abstract:||A matrix giving the traffic volumes between origin and destination in a network has tremendously potential utility for network capacity planning and management. Unfortunately, traffic matrices are generally unavailable in large operational IP networks. On the other hand, link load measurements are readily available in IP networks. In this paper, we propose a new method for practical and rapid inference of traffic matrices in IP networks from link load measurements, augmented by readily available network and routing configuration information. We apply and validate the method by computing backbone-router to backbone-router traffic matrices on a large operational tier-1 IP network -- a problem an order of magnitude larger than any other comparable method has tackled. The results show that the method is remarkably fast and accurate, delivering the traffic matrix in under five seconds.|
Traffic Matrix Estimation
|Appears in Collections:||Applied Mathematics publications|
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