Routing and spectrum allocation in elastic optical networks: A tutorial

BC Chatterjee, N Sarma, E Oki - IEEE Communications Surveys …, 2015 - ieeexplore.ieee.org
Flexgrid technology is now considered to be a promising solution for future high-speed
network design. In this context, we need a tutorial that covers the key aspects of elastic …

Fragmentation problems and management approaches in elastic optical networks: A survey

BC Chatterjee, S Ba, E Oki - IEEE Communications Surveys & …, 2017 - ieeexplore.ieee.org
Bandwidth fragmentation, a serious issue in elastic optical networks (EONs), can be
suppressed by proper management in order to enhance the accommodated traffic demands …

A tutorial on the flexible optical networking paradigm: State of the art, trends, and research challenges

I Tomkos, S Azodolmolky, J Sole-Pareta… - Proceedings of the …, 2014 - ieeexplore.ieee.org
Rigid fixed-grid wavelength division multiplexing (WDM) optical networks can no longer
keep up with the emerging bandwidth-hungry and highly dynamic services in an efficient …

Push-pull defragmentation without traffic disruption in flexible grid optical networks

F Cugini, F Paolucci, G Meloni… - Journal of Lightwave …, 2012 - ieeexplore.ieee.org
In flexi-grid optical networks, fragmentation of spectrum resources may significantly affect the
overall network efficiency. Effective techniques for defragmentation (ie, re-optimization) are …

[КНИГА][B] Elastic optical networks: fundamentals, design, control, and management

B Chatterjee, E Oki - 2020 - taylorfrancis.com
The rapid growth in communications and internet has changed our way of life, and our
requirement for communication bandwidth. Optical networks can enable us to meet the …

A survey on the path computation element (PCE) architecture

F Paolucci, F Cugini, A Giorgetti… - … Surveys & Tutorials, 2013 - ieeexplore.ieee.org
Quality of Service-enabled applications and services rely on Traffic Engineering-based (TE)
Label Switched Paths (LSP) established in core networks and controlled by the GMPLS …

Routing and spectrum allocation algorithms for elastic optical networks with dedicated path protection

K Walkowiak, M Klinkowski, B Rabiega… - Optical Switching and …, 2014 - Elsevier
Elastic optical network (EON) architectures have been recently proposed as a candidate
solution for provisioning of both huge bandwidth and flexible connections in next generation …

Nonlinear impairment-aware static resource allocation in elastic optical networks

J Zhao, H Wymeersch, E Agrell - Journal of Lightwave …, 2015 - ieeexplore.ieee.org
This paper studies the routing, modulation format, and spectrum allocation problem in elastic
fiber-optical networks for static traffic. Elastic networks, based on Nyquist wavelength …

On the advantages of elastic optical networks for provisioning of cloud computing traffic

M Klinkowski, K Walkowiak - IEEE Network, 2013 - ieeexplore.ieee.org
This article provides motivation for the elastic optical network (EON) approach, an efficient
and cost-effective solution for provisioning of cloud computing traffic. As opposed to …

On the parallelization of spectrum defragmentation reconfigurations in elastic optical networks

M Zhang, C You, Z Zhu - IEEE/ACM Transactions on …, 2015 - ieeexplore.ieee.org
Flexible-grid elastic optical networks (EONs) have attracted intensive research interests for
the agile spectrum management in the optical layer. Meanwhile, due to the relatively small …