Abstract
The article proposes a model of a telecommunication system that allows to conduct a joint study of its functional and cost characteristics. For this model, three technical indicators and three economic metrics are used. They allow to explore the basic characteristics of a telecommunication network under normal operating conditions and when a critical situation of a different nature occurs. In this case, the numerical values of the attributes included in the bundle of the three technical indicators and the three economic metrics differ only. Consequently, the model itself remains unchanged. A methodology for analyzing the proposed model is developed. Two examples of the application of the proposed methodology are given. It is shown that in critical situations, which are often associated with a sharp decrease in the available resources of the telecommunication network with a simultaneous sharp increase in traffic, it is advisable to use methods of interdisciplinary approach. Such methods, as a rule, will significantly improve the effectiveness of further research.
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