Papers › Reinforcement-Learning based routing for packet-optical networks with hybrid telemetry

Reinforcement-Learning based routing for packet-optical networks with hybrid telemetry

18 Jun 2024arXiv:2406.12602archive 2025-07-28

A. L. García Navarro, Nataliia Koneva, Alfonso Sánchez-Macián, José Alberto Hernández, Óscar González de Dios, J. M. Rivas-Moscoso

This article provides a methodology and open-source implementation of Reinforcement Learning algorithms for finding optimal routes in a packet-optical network scenario. The algorithm uses measurements provided by the physical layer (pre-FEC bit error rate and propagation delay) and the link layer (link load) to configure a set of latency-based rewards and penalties based on such measurements. Then, the algorithm executes Q-learning based on this set of rewards for finding the optimal routing strategies. It is further shown that the algorithm dynamically adapts to changing network conditions by re-calculating optimal policies upon either link load changes or link degradation as measured by pre-FEC BER.

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