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 …

Spectrum management techniques for elastic optical networks: A survey

S Talebi, F Alam, I Katib, M Khamis, R Salama… - Optical switching and …, 2014 - Elsevier
In recent years, OFDM has been the focus of extensive research efforts in optical
transmission and networking, initially as a means to overcome physical impairments in …

Survivable elastic optical networks: survey and perspective

G Shen, H Guo, SK Bose - Photonic Network Communications, 2016 - Springer
Elastic optical networks (EONs) have been receiving extensive attention because of their
inherent flexibility and the efficiency with which they allocate fiber-bandwidth. For an EON …

On-demand spectrum and core allocation for reducing crosstalk in multicore fibers in elastic optical networks

S Fujii, Y Hirota, H Tode, K Murakami - Journal of Optical …, 2014 - opg.optica.org
In the past few years, many researchers have studied elastic optical networks, which exhibit
a dramatically improved transmission capacity compared with conventional optical networks …

A quality-of-transmission aware dynamic routing and spectrum assignment scheme for future elastic optical networks

H Beyranvand, JA Salehi - Journal of Lightwave Technology, 2013 - ieeexplore.ieee.org
In this paper, we present a quality-of-transmission (QoT) aware dynamic routing, modulation
level, and spectrum assignment scheme referred to as QoT-aware RSA. The proposed QoT …

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 …

Accurate quality of transmission estimation with machine learning

I Sartzetakis, KK Christodoulopoulos… - Journal of Optical …, 2019 - opg.optica.org
In optical transport networks the quality of transmission (QoT) is estimated before
provisioning new connections or upgrading existing ones. Traditionally, a physical layer …

[PDF][PDF] Research challenges in optical communications towards 2020 and beyond

B Batagelj, V Janyani, S Tomažič - Informacije Midem, 2014 - ojs.midem-drustvo.si
This paper presents an overview of future research activities in the field of optical
telecommunications. The year 2020 is considered a milestone, when the capacity of optical …

A data-driven bandwidth allocation framework with QoS considerations for EONs

T Panayiotou, K Manousakis… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
This paper proposes a data-driven bandwidth allocation (BA) framework for periodically and
dynamically reconfiguring an elastic optical network according to predictive BA (PBA) …

When deep learning meets inter-datacenter optical network management: Advantages and vulnerabilities

J Guo, Z Zhu - Journal of Lightwave Technology, 2018 - opg.optica.org
To realize cost-effective and adaptive network control and management (NC&M) on inter-
datacenter optical networks (IDCONs), people have considered network virtualization to let …