Orchestrator for Automating Failure Response in Telecom Carriers

Abstract

The movement of digital transformation (DX) has reached to telecom carriers. Telecom carriers have long been trying to automate their operation, including assurance works, such as responding to fault alarms. Automating failure response is challenging since the work flows comprises complex flow containing many conditional branches, requiring judgement of skilled operator. Currently, only specific portions are automated, such as verifying construction work and executing specific commands. Therefore, we clarify the evidence accumulation and response process based on system-wide evidence, and propose a fully automated failure response system employing an augmented orchestrator that implements functions equivalent to human judgment. This paper proposes an enhanced orchestrator to automate the entire flow of failure response, such as fault alarm response, which is capable of handling alarms of commercial environment. This paper also describes the problems to automate entire flow of failure response and evaluates implemented proposing orchestrator. Evaluation results show that the aggregation of process succeeded to reduce approximately 82% the amount of in work flow description, and also the orchestrator is capable to handle large amount of alarms in bursts, such as in case of disaster.