Design, implementation, and evaluation of learning algorithms for dynamic real‐time network monitoring

Rashid Mijumbi, Abhaya Asthana, Markku Koivunen, Fu Haiyong and Qinjun Zhu

International Journal of Network Management, 2021, vol. 31, issue 4

Abstract: Network monitoring is necessary so as to ensure high reliability and availability in telecom networks. One of the main challenges posed by state‐of‐the‐art monitoring tools is the creation of network baselines. Such baselines include thresholds that can be used to determine whether monitored values (with a given context, e.g., time) represent normal network operation or not. The size and complexity of current (and future) networks make it infeasible to manually determine and set baselines for each network operator and metric, let alone adapting the thresholds to changes in network conditions. This leads to the use of default baselines and/or setting baselines only once and never changing them throughout the lifetime of network elements. This does not only cause inefficient operation but could have implications for network reliability and availability. In this paper, we present the design, implementation, and evaluation of DARN: a collection of analytics and machine learning‐based algorithms aimed at ensuring that network baselines are automatically adapted to different metric evolution. DARN has been comprehensively evaluated on a deployment with real traffic to confirm accuracy of generated baselines, a 22% improvement in accuracy due to baseline adaptation and a 72% reduction in false alarms.

Date: 2021
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https://doi.org/10.1002/nem.2108

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Persistent link: https://EconPapers.repec.org/RePEc:wly:intnem:v:31:y:2021:i:4:n:e2108

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