Flexible Bandwidth Allocation in Filterless Optical Networks

Author

Zhenyu Xu ; Tremblay, Christine ; Archambault, Emile ; Furdek, Marija ; Jiajia Chen ; Wosinska, Lena ; Belanger, Michel P. ; Littlewood, Paul

Author_Institution

Dept. of Electr. Eng., Ecole de Technol. Super., Montréal, QC, Canada

Volume

19

Issue

4

fYear

2015

fDate

Apr-15

Firstpage

565

Lastpage

568

Abstract

We introduce the new concept of an elastic filterless optical network and propose an efficient heuristic algorithm for solving the static routing and spectrum assignment problem. Our simulation results obtained for different network topologies under multi-period traffic show increasing bandwidth savings with the growth of traffic load compared to a fixed-grid scenario. We also show the benefits of periodical spectrum defragmentation.

Keywords

bandwidth allocation; optical communication; telecommunication network topology; elastic filterless optical network; flexible bandwidth allocation; multiperiod traffic; network topologies; periodical spectrum defragmentation; spectrum assignment problem; static routing problem; Bandwidth; Network topology; Optical fiber networks; Optical filters; Optical transmitters; Routing; Transponders; Elastic optical networking; WDM; filterless networks; flex-grid; flexible grid; routing and spectrum assignment (RSA);

fLanguage

English

Journal_Title

Communications Letters, IEEE

Publisher

ieee

ISSN

1089-7798

Type

jour

DOI

10.1109/LCOMM.2015.2394401

Filename

7017493