Optical networks management and control: A review and recent challenges
In the last twenty years, optical networks have witnessed recurrent changes in their
management and control architecture. In this paper, we present a historical timeline and a …
management and control architecture. In this paper, we present a historical timeline and a …
Soft failure localization during commissioning testing and lightpath operation
In elastic optical networks (EONs), effective soft failure localization is of paramount
importance to early detection of service level agreement violations while anticipating …
importance to early detection of service level agreement violations while anticipating …
Learning from the optical spectrum: failure detection and identification
The availability of coarse-resolution cost-effective optical spectrum analyzers (OSAs) allows
their widespread deployment in operators' networks. In this paper, we explore several …
their widespread deployment in operators' networks. In this paper, we explore several …
Monitoring and data analytics for optical networking: benefits, architectures, and use cases
Operators' network management continuously measures network health by collecting data
from the deployed network devices; data is used mainly for performance reporting and …
from the deployed network devices; data is used mainly for performance reporting and …
Modeling EDFA gain ripple and filter penalties with machine learning for accurate QoT estimation
For reliable and efficient network planning and operation, accurate estimation of Quality of
Transmission (QoT) before establishing or reconfiguring the connection is necessary. In …
Transmission (QoT) before establishing or reconfiguring the connection is necessary. In …
P4 edge node enabling stateful traffic engineering and cyber security
Next-generation edge nodes interfacing innovative IT clusters, 5G fronthaul, and internet of
things (IoT) gateways to the optical metro/core network will require advanced and dynamic …
things (IoT) gateways to the optical metro/core network will require advanced and dynamic …
Soft-failure detection, localization, identification, and severity prediction by estimating QoT model input parameters
The performance of optical devices can degrade because of aging and external causes like,
for example, temperature variations. Such degradation might start with a low impact on the …
for example, temperature variations. Such degradation might start with a low impact on the …
OpenConfig and OpenROADM automation of operational modes in disaggregated optical networks
OpenConfig and OpenROADM are emerging as the most relevant initiatives to support
partial disaggregation, in which the optical line system is provided by a single vendor while …
partial disaggregation, in which the optical line system is provided by a single vendor while …
Control of open and disaggregated transport networks using the Open Network Operating System (ONOS)
Use of disaggregated equipment in optical transport networks is emerging as an attractive
solution to bring flexibility and break vendor lock-in dependencies. The disaggregation …
solution to bring flexibility and break vendor lock-in dependencies. The disaggregation …
Experimental demonstration of partially disaggregated optical network control using the physical layer digital twin
Optical communications and networking are fast becoming the solution to support ever-
increasing data traffic across all segments of the network, expanding from core/metro …
increasing data traffic across all segments of the network, expanding from core/metro …