Conversión de amplificador lineal óptico hacia ROADM para implementación de servicio de protección redundante

Abstract

CONDITION FOR PUBLICATION OF PROJECT. project addresses the need to modernize the OLA node of the national optical transport network in Ecuador, with the objective of converting it into a ROADM node that enhances resilience and flexibility of the infrastructure. The hypothesis establishes that this upgrade will reduce channel saturation, improve service quality, and ensure continuity of critical applications. The justification lies in the growing IP traffic demand, the backup route operating above 85% capacity, and the lack of dynamic routing in the current passive design. For the development, Huawei next-generation optical and electrical equipment, WSS and EDFA cards were employed, together with ITU-T G.652, G.694.1, and G.709 standards, validating optical parameters such as latency, OSNR, and dispersion through technical simulations. Results showed a latency reduction of 35–40%, spectrum recovery up to 60%, and an energy consumption decrease of 40% per channel. It is concluded that the migration to ROADM strengthens availability, operational efficiency, and sustainability of the optical transport network.