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 …

[BOG][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 …

Recent research progress on spectrum management approaches in software-defined elastic optical networks

BC Chatterjee, T Sato, E Oki - Optical Switching and Networking, 2018 - Elsevier
The flex-grid technology or elastic optical network (EON) is accepted to be a propitious
solution for the future transport network due to its unique properties, which are bandwidth …

Long-term prediction of multiple types of time-varying network traffic using chunk-based ensemble learning

A Knapińska, P Lechowicz, W Węgier… - Applied Soft Computing, 2022 - Elsevier
With the development of networking technologies, global Internet traffic is constantly
increasing. Moreover, various traffic types associated with a variety of network services and …

Defragmentation scheme based on exchanging primary and backup paths in 1+ 1 path protected elastic optical networks

S Ba, BC Chatterjee, E Oki - IEEE/ACM Transactions on …, 2017 - ieeexplore.ieee.org
In elastic optical networks (EONs), a major obstacle to using the spectrum resources
efficiently is the spectrum fragmentation. In the literature, several defragmentation …

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 …

Link state aware dynamic routing and spectrum allocation strategy in elastic optical networks

Y Zhou, Q Sun, S Lin - Ieee Access, 2020 - ieeexplore.ieee.org
Compared with traditional wavelength division optical network, elastic optical network (EON)
divides the network spectrum into smaller spectrum slots to improve the spectrum utilization …

Routing and spectrum assignment: A metaheuristic for hybrid ordering selection in elastic optical networks

HA Dinarte, BVA Correia, DAR Chaves… - Computer Networks, 2021 - Elsevier
Routing and spectrum assignment (RSA) problem, in elastic optical networks, searches for a
route and a sufficient spectrum range to fit each network request. Solving these two …

Dynamic resource allocation for immediate and advance reservation in space-division-multiplexing-based elastic optical networks

S Sugihara, Y Hirota, S Fujii, H Tode… - Journal of Optical …, 2017 - opg.optica.org
Numerous studies have investigated elastic optical networks (EONs) with the aim of
expanding the transmission capacities of core networks. To achieve this goal, it is necessary …

Least loaded and route fragmentation aware RSA strategies for elastic optical networks

D Batham, DS Yadav, S Prakash - Optical Fiber Technology, 2017 - Elsevier
Elastic optical networks (EONs) provide flexibility to assign wide range of spectral resources
to the connection requests. In this manuscript, we address two issues related to spectrum …