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arXiv · 2508.08814

TempOpt -- Unsupervised Alarm Relation Learning for Telecommunication Networks

Sathiyanaryanan Sampath·Pratyush Uppuluri·Thirumaran Ekambaram
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Abstract

In a telecommunications network, fault alarms generated by network nodes are monitored in a Network Operations Centre (NOC) to ensure network availability and continuous network operations. The monitoring process comprises of tasks such as active alarms analysis, root alarm identification, and resolution of the underlying problem. Each network node potentially can generate alarms of different types, while nodes can be from multiple vendors, a network can have hundreds of nodes thus resulting in an enormous volume of alarms at any time. Since network nodes are inter-connected, a single fault in the network would trigger multiple sequences of alarms across a variety of nodes and from a monitoring point of view, it is a challenging task for a NOC engineer to be aware of relations between the various alarms, when trying to identify, for example, a root alarm on which an action needs to be taken. To effectively identify root alarms, it is essential to learn relation among the alarms for accurate and faster resolution. In this work we propose a novel unsupervised alarm relation learning technique Temporal Optimization (TempOpt) that is practical and overcomes the limitations of an existing class of alarm relational learning method-temporal dependency methods. Experiments have been carried on real-world network datasets, that demonstrate the improved quality of alarm relations learned by TempOpt as compared to temporal dependency method.

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Sathiyanaryanan Sampath, Pratyush Uppuluri, Thirumaran Ekambaram. 2025-08-13. TempOpt -- Unsupervised Alarm Relation Learning for Telecommunication Networks. https://doi.org/10.1109/indicon63790.2024.10958479

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