IEEE/ICACT20260142 Slide.07        [Big Slide]       Oral Presentation
In this paper, we propose an efficient framework to investigate the root cause of SLO violation in the 5G Online Charging System with the following highlights. The first contribution is a playbook-driven framework architecture for root cause investigation. Then, we propose a method to enrich alarms with topology context from multiple sources. We also propose algorithms for detecting time-series patterns and anomalies applied for real world problem in system operation. Finally, we conduct experiments to demonstrate the efficiency of our investigative framework.

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