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 …

Towards converged, collaborative and co-automatic (3C) optical networks

Y Ji, J Zhang, X Wang, H Yu - Science China information sciences, 2018 - Springer
The interconnection of all things is developing a new diagram of future information networks.
However, it is difficult to realize future applications with only one single technique …

Dynamic and adaptive bandwidth defragmentation in spectrum-sliced elastic optical networks with time-varying traffic

M Zhang, C You, H Jiang, Z Zhu - Journal of Lightwave Technology, 2014 - opg.optica.org
Elastic optical networks (EONs) enable network operators to have agile bandwidth
management in the optical layer. In this paper, we investigate dynamic and adaptive …

[图书][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 …

Provisioning in elastic optical networks with non-disruptive defragmentation

R Wang, B Mukherjee - Journal of Lightwave Technology, 2013 - opg.optica.org
How serious is spectrum fragmentation in an elastic optical network? It is addressed by the
tremendous provisioning gain achieved by eliminating a particular kind of fragmentation …

Crosstalk-aware spectrum defragmentation based on spectrum compactness in space division multiplexing enabled elastic optical networks with multicore fiber

Y Zhao, L Hu, R Zhu, X Yu, X Wang, J Zhang - IEEE Access, 2018 - ieeexplore.ieee.org
Achievable capacity of optical fiber is approaching its physical limitation in frequency
domain. Space division multiplexing (SDM) technology can scale the network capacity using …

Machine learning-assisted nonlinear-impairment-aware proactive defragmentation for band elastic optical networks

RK Jana, BC Chatterjee, AP Singh… - Journal of Optical …, 2021 - opg.optica.org
Efficient resource allocation and management can enhance the capacity of an optical
backbone network. In this context, spectrum retuning via hitless defragmentation has been …

Crosstalk-aware spectrum defragmentation by re-provisioning advance reservation requests in space division multiplexing enabled elastic optical networks with multi …

Y Zhao, L Hu, R Zhu, X Yu, Y Li, W Wang, J Zhang - Optics express, 2019 - opg.optica.org
Space division multiplexing enabled elastic optical networks (SDM-EONs) with multi-core
fiber (MCF) have become a promising candidate for future optical transport networks, due to …

Route partitioning scheme for elastic optical networks with hitless defragmentation

S Ba, BC Chatterjee, S Okamoto… - Journal of Optical …, 2016 - opg.optica.org
Hitless defragmentation has been introduced as an approach to limit the spectrum
fragmentation in elastic optical networks without traffic disruption. It facilitates the …

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 …