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Activity Number: 74
Type: Contributed
Date/Time: Sunday, August 2, 2009 : 4:00 PM to 5:50 PM
Sponsor: Section on Physical and Engineering Sciences
Abstract - #305581
Title: Optimal Monitoring Design for Computer Network Traffic
Author(s): Joel Vaughan*+ and George Michailidis and Stilian Stoev
Companies: University of Michigan and University of Michigan and University of Michigan
Address: 439 West Hall, Ann Arbor, MI, 48109,
Keywords: computer network ; design
Abstract:

In order to maintain consistent quality of service, computer network engineers face the task of monitoring the traffic fluctuations on the individual links making up the network. However, due to resource constraints and limited access, it is not possible to directly measure all the links. Using a physically interpretable probabilistic model of network--wide traffic, we propose a method of predicting the traffic fluctuations on a set of unobserved links using traffic fluctuations measured on the observed links in the network. We then consider the problem of optimal monitoring design. That is, how to select an optimal set of links to monitor, subject to resource constraints, such that the mean square prediction error of the traffic fluctuations on the unobserved links is minimized.

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