Performance comparison of methods to solve the Routing and Spectrum Allocation problem

Author

Durán, R.J. ; Rodríguez, I. ; Fernández, N. ; de Miguel, I. ; Merayo, N. ; Fernández, P. ; Aguado, J.C. ; Jiménez, T. ; Lorenzo, R.M. ; Abril, E.J.

Author_Institution

Opt. Commun. Group, Univ. of Valladolid, Valladolid, Spain

fYear

2012

fDate

2-5 July 2012

Firstpage

1

Lastpage

4

Abstract

Future optical networks may increase their efficiency and flexibility by the utilization of Orthogonal Frequency Division Multiplexing (OFDM). When such a technique is employed, the spectrum assigned to a lightpath can be tailored to suit its requirements. Thus, when addressing the establishment of optical connections (lightpaths) in flexible optical networks, rather than solving the well-known Routing and Wavelength Assignment (RWA) problem, the Routing and Spectrum Assignment (RSA) problem should be solved. In this paper, we propose and compare a number of techniques to solve the RSA problem.

Keywords

OFDM modulation; optical fibre networks; telecommunication network routing; wavelength assignment; OFDM; RSA problem; RWA problem; optical connection; optical network; orthogonal frequency division multiplexing; routing allocation problem; routing assignment; spectrum allocation problem; spectrum assignment; wavelength assignment; Heuristic algorithms; OFDM; Optical fibers; Resource management; Routing; Wavelength assignment; OFDM; Routing and Spectrum Allocation (RSA) algorithms; flexible optical networks;

fLanguage

English

Publisher

ieee

Conference_Titel

Transparent Optical Networks (ICTON), 2012 14th International Conference on

Conference_Location

Coventry

ISSN

2161-2056

Print_ISBN

978-1-4673-2228-7

Electronic_ISBN

2161-2056

Type

conf

DOI

10.1109/ICTON.2012.6254419

Filename

6254419