Efficient dynamic routing and spectrum assignment for multifiber elastic optical networks

J Wu, S Subramaniam, H Hasegawa - Journal of Optical …, 2019 - opg.optica.org
Elastic optical networks are seen as a promising solution to improve spectrum utilization
efficiency by utilizing flex-grid optical orthogonal frequency division multiplexing technology …

Optimal route, spectrum, and modulation level assignment in split-spectrum-enabled dynamic elastic optical networks

A Pagès, J Perelló, S Spadaro… - Journal of Optical …, 2014 - opg.optica.org
The spectrum fragmentation effect in elastic optical networks is one of their main limitations.
Multiple techniques have been proposed to address this problem, with the split spectrum …

Minimum-and maximum-entropy routing and spectrum assignment for flexgrid elastic optical networking

P Wright, MC Parker, A Lord - Journal of Optical Communications …, 2015 - opg.optica.org
We present two complementary routing and spectrum assignment (RSA) algorithms that use
a quantitative fragmentation metric using the concept of Shannon entropy in flexgrid …

Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network [topics in optical communications]

M Jinno, B Kozicki, H Takara… - IEEE …, 2010 - ieeexplore.ieee.org
The rigid nature of current wavelength-routed optical networks brings limitations on network
utilization efficiency. One limitation originates from mismatch of granularities between the …

Study and analysis of routing and spectrum allocation (RSA) and routing, modulation and spectrum allocation (RMSA) algorithms in elastic optical networks (EONs)

FS Abkenar, AG Rahbar - Optical Switching and Networking, 2017 - Elsevier
With the growth of Internet users' traffic demands, the efficient and cost-effective usage of
bandwidth and spectrum in optical networks plays an important role in improving service …

Combining heuristic and exact approaches for solving the routing and spectrum assignment problem

DT Hai, M Morvan, P Gravey - IET optoelectronics, 2018 - Wiley Online Library
Efficient algorithms for solving the routing and spectrum assignment (RSA) problem in flex‐
grid optical networks are of paramount importance to leverage network efficiency. Exact …

Routing and spectrum assignment with delayed allocation in elastic optical networks

P Afsharlar, A Deylamsalehi, JM Plante… - Journal of Optical …, 2017 - opg.optica.org
In response to bandwidth-hungry applications, the field of elastic optical networks (EONs)
has emerged. In this paper, we investigate the provisioning and allocation problem in EONs …

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 …

Adaptive modulation and flexible resource allocation in space-division-multiplexed elastic optical networks

M Yaghubi-Namaad, AG Rahbar… - Journal of Optical …, 2018 - opg.optica.org
Space division multiplexing (SDM) and elastic optical networking (EON) have been
proposed to increase the transmission capacity and flexibility of optical transport networks …

[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 …