A review of machine learning-based failure management in optical networks

D Wang, C Zhang, W Chen, H Yang, M Zhang… - Science China …, 2022 - Springer
Failure management plays a significant role in optical networks. It ensures secure operation,
mitigates potential risks, and executes proactive protection. Machine learning (ML) is …

Building a digital twin for intelligent optical networks [Invited Tutorial]

Q Zhuge, X Liu, Y Zhang, M Cai, Y Liu… - Journal of Optical …, 2023 - opg.optica.org
To support the development of intelligent optical networks, accurate modeling of the physical
layer is crucial. Digital twin (DT) modeling, which relies on continuous learning with real-time …

Deep learning-based real-time analysis of lightpath optical constellations

M Ruiz, D Sequeira, L Velasco - Journal of Optical Communications …, 2022 - opg.optica.org
Optical network automation requires accurate physical layer models, not only for
provisioning but also for real-time analysis. In particular, in-phase (I) and quadrature (Q) …

Demonstration of ML-assisted soft-failure localization based on network digital twins

KS Mayer, RP Pinto, JA Soares, DS Arantes… - Journal of Lightwave …, 2022 - opg.optica.org
In optical transport networks, failure localization is usually triggered as a response to alarms
and significant anomalous behaviors. However, the recent evolution of network control and …

OCATA: a deep-learning-based digital twin for the optical time domain

D Sequeira, M Ruiz, N Costa, A Napoli… - Journal of Optical …, 2023 - opg.optica.org
The development of digital twins to represent the optical transport network might enable
multiple applications for network operation, including automation and fault management. In …

Machine-learning-based soft-failure localization with partial software-defined networking telemetry

KS Mayer, JA Soares, RP Pinto… - Journal of Optical …, 2021 - opg.optica.org
Soft-failure localization frameworks typically use if-else rules to localize failures based on
the received telemetry data. However, in certain cases, particularly in disaggregated …

Distributed intelligence for pervasive optical network telemetry

L Velasco, P Gonzalez, M Ruiz - Journal of Optical …, 2023 - ieeexplore.ieee.org
Optical network automation and failure management require measuring the status and the
performance of the different network devices to anticipate any degradation and ensure the …

Machine learning framework for timely soft-failure detection and localization in elastic optical networks

S Behera, T Panayiotou, G Ellinas - Journal of Optical …, 2023 - opg.optica.org
This work proposes a soft-failure evolution and localization framework to detect and localize
the root cause of future hard-failure incidents in a timely manner enabling repair actions to …

Intent-based networking and its application to optical networks [Invited Tutorial]

L Velasco, S Barzegar, F Tabatabaeimehr… - Journal of optical …, 2022 - opg.optica.org
The intent-based networking (IBN) paradigm targets defining high-level abstractions so
network operators can define what their desired outcomes are without specifying how they …

Applications of digital twin for autonomous zero-touch optical networking

L Velasco, M Devigili, M Ruiz - 2023 International Conference …, 2023 - ieeexplore.ieee.org
Huge efforts have been paid lastly to study the application of Machine Learning techniques
to optical transport networks. Applications include Quality of Transmission (QoT) estimation …