… failure detection and identification have been addressed in [9] by analyzing the evolution of
the bit error rate (BER… the type of soft-failure considered (ie, EDFA degradation), the first link …

… networks to prevent the serious degradation … BER are input to the RF and SVM to detect
the soft failure, and an ANN with a hidden layer is applied to identify the cause of the soft failure …

… , filter, to the detector at the destination, which is a complete optical transmission process [8].
For a lightpath, the typical failure types are bit error rate (BER) degradation, optical signal to …

… In [5], a finite state machine (FSM) is utilized to detect the degradation of BER and to identify
the … nonlinearity modeling and monitoring for elastic optical networks,” J. Light. Technol., vol. …

… data, eg, the optical signal-to-noise ratio (OSNR) and/or bit error rate (BER), made available
… In this example, we assume that the OSNR at the receivers of LPs A and B can be degraded …

… In [1], anticipating BER degradation detection in the optical layer and failure identification
are … Velasco, “Soft failure localization in elastic optical networks,” in 2018 20th International …

… ratio (BER) is monitored, and an artificial neural network (ANN) … To alleviate performance
degradation caused by the … detection and identification for low-margin elastic optical …

… Our proposal for degradation detection and soft-failure localization includes algorithms that
… able to detect and localize the degradation in early stages and facilitate network diagnosis. In …

… , and singular value decomposition. Most dimensionality … with the advent of elastic optical
network disaggregation, the … amplifier and the pre-FEC-BER estimated at the receivers of the …

… only to detect any QoT degradation, but also to identify the cause … The topic of failure
management in optical networks (… by the measured BER, spectrum, etc. for detecting failures, or …