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Combining a machine learning and optimization for early pre-FEC BER degradation to meet committed QoS

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10.1109/ICTON.2017.8025009
 
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Pérez Vela, AlbaMés informació
Ruiz Ramírez, MarcMés informacióMés informacióMés informació
Cugini, Filippo
Velasco Esteban, Luis DomingoMés informacióMés informacióMés informació
Document typeConference report
Defense date2017
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
ProjectMETRO-HAUL - METRO High bandwidth, 5G Application-aware optical network, with edge storage, compUte and low Latency (EC-H2020-761727)
Abstract
Monitoring the physical layer is key to detect bit error rate (BER) degradation caused by failures and to identify the cause of the failure and localize the failed elements. Once the failure has been detected, actions can be taken to reduce as much as possible its impact on the network. Commercially available optical equipment are able to correct degraded optical signals by means of Forward Error Correction (FEC) algorithms. A value of pre-FEC BER over a pre-defined threshold would imply a non-error-free post-FEC transmission and, as a result, communication would be disrupted. Therefore, a prompt detection of lightpaths with excessive pre-FEC BER can help to greatly reduce such SLA violations, in particular when supporting vlinks. As a result of the above, it would be desirable to anticipate such degradations and apply re-optimization to re-route those affected demands according to their SLAs in order to reduce the affected traffic after the degradation is detected. Designing algorithms capable of promptly detect distinct BER anomaly patterns would be desirable. The objective would be to anticipate intolerable BER values as much as possible aiming at leaving enough time to plan a re-routing procedure during off-peak hours. In this paper, we propose an effective machine learning-based algorithm to localize and identify the most probable cause of failure impacting a given service, as well as a re-optimization algorithm to re-route affected demands, targeting at reducing SLA violation. Results show that the proposed detection and re-routing algorithms noticeably reduce bandwidth and number of demands affected.
CitationP. Vela, Alba, Ruiz, M., Cugini, F., Velasco, L. Combining a machine learning and optimization for early pre-FEC BER degradation to meet committed QoS. A: International Conference on Transparent Optical Networks. "ICTON 2017: 19th International Conference on Transparent Optical Networks: Girona, Catalonia, Spain, 2-6 July 2017". Girona: Institute of Electrical and Electronics Engineers (IEEE), 2017, p. 1-4. 
URIhttp://hdl.handle.net/2117/113168
DOI10.1109/ICTON.2017.8025009
ISBN978-1-5386-0858-6
Publisher versionhttp://ieeexplore.ieee.org/document/8025009/
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  • GCO - Grup de Comunicacions Òptiques - Ponències/Comunicacions de congressos [477]
  • Departament d'Arquitectura de Computadors - Ponències/Comunicacions de congressos [2.052]
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