Predicting the Quality of Transmission (QoT) of a Lightpath (LP) before its actual deployment is important for efficient resource utilization. Conventionally, analytical models using closed-loop formulation estimate QoT, which imposes substantial margins to avoid network outages. Recently, data-driven techniques have been shown as a potential alternative with excellent precision and real-time applicability. However, data-driven techniques require sufficient training data, which might be challenging to acquire during real network operations. In this context, we proposed a novel unsupervised Iterative learning (IL) framework developed on top of the Random forest (RF) classifier for QoT estimation of LP before deployment. We considered the Generalized signal-to-noise ratio (GSNR) as a characterizing parameter for QoT estimation of LP. Our simulation results illustrate that, by employing the proposed iterative learning approach, we can obtain 99% classification accuracy with a reduced number of training samples compared to the traditional supervised learning approach.
Query Based Iterative Learning Approach for Lightpath Deployment in Optical Networks / Usmani, Fehmida; Khan, Ihtesham; Tariq, Hafsa; Shahzad, Muhammad; Ahmad, Arsalan; Curri, Vittorio. - ELETTRONICO. - (2022), pp. 1253-1257. (Intervento presentato al convegno Asia Communications and Photonics Conference (ACP) tenutosi a Shenzhen, China nel 05-08 November 2022) [10.1109/ACP55869.2022.10089006].
Query Based Iterative Learning Approach for Lightpath Deployment in Optical Networks
Usmani, Fehmida;Khan, Ihtesham;Curri, Vittorio
2022
Abstract
Predicting the Quality of Transmission (QoT) of a Lightpath (LP) before its actual deployment is important for efficient resource utilization. Conventionally, analytical models using closed-loop formulation estimate QoT, which imposes substantial margins to avoid network outages. Recently, data-driven techniques have been shown as a potential alternative with excellent precision and real-time applicability. However, data-driven techniques require sufficient training data, which might be challenging to acquire during real network operations. In this context, we proposed a novel unsupervised Iterative learning (IL) framework developed on top of the Random forest (RF) classifier for QoT estimation of LP before deployment. We considered the Generalized signal-to-noise ratio (GSNR) as a characterizing parameter for QoT estimation of LP. Our simulation results illustrate that, by employing the proposed iterative learning approach, we can obtain 99% classification accuracy with a reduced number of training samples compared to the traditional supervised learning approach.File | Dimensione | Formato | |
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https://hdl.handle.net/11583/2977898