Dynamic resource allocation in metro elastic optical networks using Lyapunov drift optimization

M Hadi, MR Pakravan, E Agrell - Journal of Optical Communications …, 2019 - opg.optica.org
Consistent growth in the volume and dynamic behavior of traffic mandates new
requirements for fast and adaptive resource allocation in metro networks. We propose a …

Energy-efficient fast configuration of flexible transponders and grooming switches in OFDM-based elastic optical networks

M Hadi, MR Pakravan - Journal of Optical Communications and …, 2018 - opg.optica.org
We investigate the problem of energy-efficient resource allocation constrained to quality of
service and physical requirements in orthogonal frequency division multiplexing (OFDM) …

Optimal design of filterless optical networks

B Jaumard, Y Wang, N Huin - 2018 20th International …, 2018 - ieeexplore.ieee.org
We study the design of filterless optical networks in order that the maximum link network
capacity is minimized. We propose a one step model to simultaneously generate and …

Joint minimization of spectrum and power in impairment-aware elastic optical networks

KK Munasinghe, MN Dharmaweera… - IEEE …, 2021 - ieeexplore.ieee.org
Flexible-grid elastic optical networks (EONs) are widely considered as the future of next
generation optical transport networks. Depleting spectral resources and increasing power …

Optical filtering penalty estimation using artificial neural network in elastic optical networks with cascaded reconfigurable optical add–drop multiplexers

B Zhang, R Zhang, Q Zhang, X **n - Optical Engineering, 2019 - spiedigitallibrary.org
For future elastic optical networks, the narrow filtering effect induced by cascaded
reconfigurable optical add–drop multiplexers (ROADMs) is one of the major impairments. It …

Impairment‐aware resource allocation scheme for elastic optical networks with different service priorities

K Munasinghe, N Dharmaweera, C de Alwis… - IET …, 2024 - Wiley Online Library
Today, elastic optical networks (EONs) are required to accommodate traffic with different
service priorities. For example, mission‐critical applications such as industrial internet, smart …

Optimizing elastic optical networks quality of transmission with an empirical optical amplifier gain saturation model

M Ayaz, L Beygi - Optical Fiber Technology, 2024 - Elsevier
In this paper, we revisit the problem of adjusting transceiver power, amplifier gain, and nodal
gain in optical-bypass-enabled networks, taking into account an empirical model of erbium …

Channel allocation in elastic optical networks using traveling salesman problem algorithms

C Bhar, E Agrell, K Keykhosravi, M Karlsson… - Journal of Optical …, 2019 - opg.optica.org
Elastic optical networks have been proposed to support high data rates in metro and core
networks. However, frequency allocation of the channels (ie, channel ordering) in such …

Energy-efficient service provisioning in inter-data center elastic optical networks

M Hadi, MR Pakravan - IEEE Transactions on Green …, 2018 - ieeexplore.ieee.org
We investigate the problem of energy-efficient transponder configuration constrained to
quality of service and physical requirements in orthogonal frequency division multiplexing …

Strategy for Resource Allocation in Elastic Optical Networks Considering Physical Layer Impairments and Spectrum Fragmentation

SA Silva, CJA Bastos-Filho, DRB Araújo… - Journal of Microwaves …, 2024 - SciELO Brasil
Resource allocation strategies in optical networks are fundamental due to bandwidth
limitations, increasing data demand, and the consequent need for spectral efficiency. They …