Offline Iipairment aware RWA algorithms for cross-layer planning of optical networks
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AuthorAzodolmolky, Siamak; Aparicio Pardo, Ramón; Pointurier, Yvan; Angelou, Marianna; Sole Pareta, Josep; [et al.]
Research GroupGrupo de Ingeniería Telemática (GIT)
Knowledge AreaIngeniería Telemática
SponsorsThe work described in this paper was carried out with the support of the BONE project (“Building the Future Optical Network in Europe”); a Network of Excellence, and the DICONET project (“Dynamic Impairment Constraint Networking for Transparent Mesh Networks”), both funded by the European Commission through the 7th ICTFramework Program. This research has been partially supported by the MEC project TEC2007- 67966-01/TCM CON-PARTE-1, and it is also developed in the framework of "Programa de Ayudas a Grupos de Excelencia de la R. de Murcia, F. Séneca".
PublisherInstitute Electrical and Electronics Engineers (IEEE). Optical Society of America
Bibliographic CitationPAVÓN MARIÑO, Pablo, AZODOLMOLKY, Siamak, APARICIO PARDO, Siamak. Offline Iipairment aware RWA algorithms for cross-layer planning of optical networks. Journal of Lightwave Technology, 27 (12): 1763-1775, 15 de Junio 2009. ISSN 0733-8724
KeywordsEnrutamiento y asignación de longitud de onda
Planificación de redes ópticas
Physical layer impairments aware
Routing and Wavelength Assignment
Optical network planning
Transparent optical networks are the enabling infrastructure for converged multi-granular networks in the future Internet. The cross-layer planning of these networks considers physical impairments in the network layer design. This is complicated by the diversity of modulation formats, transmission rates, amplification and compensation equipments, or deployed fiber links. Thereby, the concept of quality of transmission (QoT) attempts to embrace the effects of the physical layer impairments, to introduce them in a multi-criterium optimization and planning process. This paper contributes in this field by the proposal and comparative evaluation of two novel offline impairment aware planning algorithms for transparent optical networks, which share a common QoT evaluation function. The first algorithm is based on an iterative global search driven by a set of binary integer linear programming formulations. Heuristic techniques are included to limit the binary programming complexity. The second ...
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