Networks are complex interacting systems involving cloud operations, core and metro
transport, and mobile connectivity all the way to video streaming and similar user …

We review margins used in optical networks and review a formerly proposed margin
taxonomy. For each category of margins, we review techniques that the network designer …

Predicting the quality of transmission (QoT) of a lightpath prior to its deployment is a step of
capital importance for an optimized design of optical networks. Due to the continuous …

Networking technologies are fast evolving to support the request for ubiquitous Internet
access that is becoming a fundamental need for the modern and inclusive society, with a …

Dramatic increase in data traffic, future diffusion of bandwidth-hungry 5G connectivity and
evolving services like virtual reality and cloud will require the implementation of the open …

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) …

For reliable and efficient network planning and operation, accurate estimation of Quality of
Transmission (QoT) before establishing or reconfiguring the connection is necessary. In …

The massive deployment of 5G and beyond will require high capacity and low latency
connectivity services, so network operators will have either to overprovision capacity in their …

The development of digital twins to represent the optical transport network might enable
multiple applications for network operation, including automation and fault management. In …

Optical line interface technology has been the key enabler to reduce the cost per bit
transported, thus cost-effectively scaling optical transport networks and mitigating or even …