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https://hdl.handle.net/2440/112635
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Type: | Conference paper |
Title: | A comparison of information criteria for traffic model selection |
Author: | Tune, P. Roughan, M. Cho, K. |
Citation: | Proceedings of the 10th International Conference on Signal Processing and Communication Systems (ICSPCS 2016), 2016 / Wysocki, T., Wysocki, B. (ed./s), pp.1-10 |
Publisher: | IEEE |
Publisher Place: | Piscataway, NJ |
Issue Date: | 2016 |
ISBN: | 9781509009428 |
Conference Name: | 10th International Conference on Signal Processing and Communication Systems (ICSPCS 2016) (19 Dec 2016 - 21 Dec 2016 : Surfers Paradise) |
Editor: | Wysocki, T. Wysocki, B. |
Statement of Responsibility: | Paul Tune, Matthew Roughan, Kenjiro Cho |
Abstract: | Traffic modelling is a core component of network planning and engineering. Although good models are approximations of reality, they are very useful in various network applications. However, traffic modelling is often done in an ad hoc manner, guided only by the experience of the model designer. In this paper, we propose the use of information criteria, such as the Akaike Information Criterion (AIC), to systematically choose models. We study these criteria on Frequency, Frequency + Spike, and Wavelet models of the network traffic to select the best of these. However, there are many alternative information criteria, which give different results. We found that the Bayesian Information Criterion (BIC), and Minimum Description Length (MDL) provided better models than the (perhaps) more commonly used AIC and corrected AIC for network traffic modelling. Interestingly, we found that fancier models, such as Wavelet models, may reduce prediction accuracy, so simple frequencybased models are preferable. |
Rights: | ©2016 IEEE |
DOI: | 10.1109/ICSPCS.2016.7843299 |
Published version: | https://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=7829189 |
Appears in Collections: | Aurora harvest 8 Mathematical Sciences publications |
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