Elastic spectrum allocation for time-varying traffic in flexgrid optical networks

M Klinkowski, M Ruiz, L Velasco… - IEEE journal on …, 2012 - ieeexplore.ieee.org
Elastic flexgrid optical networks (FG-ON) are considered a very promising solution for next-
generation optical networks. In this article we focus on lightpath adaptation under variable …

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 …

Modeling the routing and spectrum allocation problem for flexgrid optical networks

L Velasco, M Klinkowski, M Ruiz, J Comellas - Photonic Network …, 2012 - Springer
Flexgrid optical networks are attracting huge interest due to their higher spectrum efficiency
and flexibility in comparison with traditional wavelength switched optical networks based on …

Dynamic routing and spectrum (re) allocation in future flexgrid optical networks

A Castro, L Velasco, M Ruiz, M Klinkowski… - Computer Networks, 2012 - Elsevier
Future flexible-grid elastic optical networks are very promising due to their higher spectrum
efficiency and flexibility comparing to the rigid spectrum grid optical networks realized with …

New distance-adaptive modulation scheme for elastic optical networks

LR Costa, AC Drummond - IEEE Communications Letters, 2016 - ieeexplore.ieee.org
Elastic optical networks enter as a promising technology for the future of high-capacity
networks. Its features provide flexibility and superior scalability in spectrum allocation …

Using spectrum fragmentation to better allocate time-varying connections in elastic optical networks

PS Khodashenas, J Comellas, S Spadaro… - Journal of Optical …, 2014 - opg.optica.org
Elastic optical network (EON) technology arises as a promising solution for future high-
speed optical transport, since it can provide superior flexibility and scalability in the spectrum …

Solving routing and spectrum allocation related optimization problems: From off-line to in-operation flexgrid network planning

L Velasco, A Castro, M Ruiz, G Junyent - Journal of Lightwave …, 2014 - opg.optica.org
Compared to wavelength switched optical networks (WSON), flexgrid optical networks
provide higher spectrum efficiency and flexibility. To properly analyze, design, plan, and …

Dynamic routing and spectrum allocation in elastic optical networks with mixed line rates

X Wang, K Kuang, S Wang, S Xu… - Journal of Optical …, 2014 - ieeexplore.ieee.org
Elastic optical networks (EONs) are considered a very promising solution for next-generation
optical networks. Elastic spectral bandwidth allocation promotes spectrum utilization …

Multipath routing in elastic optical networks with distance-adaptive modulation formats

X Chen, Y Zhong, A Jukan - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
Elastic optical path networks have been proposed as a promising approach to flexibly use
the optical spectrum (hence the name flexi-grid) thus overcoming the rigidness of traditional …

Routing and spectrum assignment in spectrum sliced elastic optical path network

M Klinkowski, K Walkowiak - IEEE Communications Letters, 2011 - ieeexplore.ieee.org
A spectrum-sliced elastic optical path network (SLICE) architecture has been recently
proposed as an efficient solution for a flexible bandwidth allocation in optical networks. In …