Operational Cost Reduction in WDM Networks using Lighttours

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dc.contributor.author Marzo i Lázaro, Josep Lluís
dc.contributor.author Caro Pérez, Luis Fernando
dc.contributor.author Solano Donado, Fernando
dc.contributor.author Oliveira, Jaudelice C.de
dc.contributor.author Fabregat Gesa, Ramon
dc.date.issued 2007
dc.identifier.citation Marzo, J.L., Caro, L.F., Solano, F., de Oliveira, J.C., i Fabregat, R. (2007). Operational Cost Reduction in WDM Networks using Lighttours. 9th International Conference on Transparent Optical Networks : 2007 : ICTON '07. 1, 71 - 74. Recuperat 10 maig 2010, a http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4296033
dc.identifier.isbn 1-4244-1249-8
dc.identifier.uri http://hdl.handle.net/10256/2233
dc.description.abstract Wavelength division multiplexing (WDM) networks have been adopted as a near-future solution for the broadband Internet. In previous work we proposed a new architecture, named enhanced grooming (G+), that extends the capabilities of traditional optical routes (lightpaths). In this paper, we compare the operational expenditures incurred by routing a set of demands using lightpaths with that of lighttours. The comparison is done by solving an integer linear programming (ILP) problem based on a path formulation. Results show that, under the assumption of single-hop routing, almost 15% of the operational cost can be reduced with our architecture. In multi-hop routing the operation cost is reduced in 7.1% and at the same time the ratio of operational cost to number of optical-electro-optical conversions is reduced for our architecture. This means that ISPs could provide the same satisfaction in terms of delay to the end-user with a lower investment in the network architecture
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher IEEE
dc.relation.isformatof Reproducció digital del document publicat a: http://dx.doi.org/10.1109/ICTON.2007.4296033
dc.relation.ispartof © 9th International Conference on Transparent Optical Networks : 2007 : ICTON '07, 2007, vol. 1, p. 71-74
dc.relation.ispartofseries Articles publicats (D-ATC)
dc.rights Tots els drets reservats
dc.subject Comunicacions òptiques
dc.subject Multiplexatge per divisió de freqüència
dc.subject Optical communications
dc.subject Wavelength division multiplexing
dc.title Operational Cost Reduction in WDM Networks using Lighttours
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.1109/ICTON.2007.4296033


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