Split spectrum-enabled route and spectrum assignment in elastic optical networks

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/23974

dc.contributor	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors
dc.contributor	Universitat Politècnica de Catalunya. GCO - Grup de Comunicacions Òptiques
dc.contributor	Universitat Politècnica de Catalunya. CBA - Sistemes de Comunicacions i Arquitectures de Banda Ampla
dc.contributor.author	Pagès Cruz, Albert
dc.contributor.author	Perelló Muntan, Jordi
dc.contributor.author	Spadaro, Salvatore
dc.contributor.author	Junyent Giralt, Gabriel
dc.date	2014-07-01
dc.identifier.citation	Pages, A. [et al.]. Split spectrum-enabled route and spectrum assignment in elastic optical networks. "Optical switching and networking", 01 Juliol 2014, vol. 13, p. 148-157.
dc.identifier.citation	1573-4277
dc.identifier.citation	10.1016/j.osn.2014.04.002
dc.identifier.uri	http://hdl.handle.net/2117/23974
dc.language.iso	eng
dc.relation	http://www.sciencedirect.com/science/article/pii/S1573427714000332
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica
dc.subject	Optical communications
dc.subject	Elastic optical networks
dc.subject	Split spectrum
dc.subject	RSA
dc.subject	Efficient
dc.subject	Comunicacions òptiques
dc.title	Split spectrum-enabled route and spectrum assignment in elastic optical networks
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	The Split Spectrum Approach (SSA) in elastic optical networks is based on splitting a demand into smaller sub-signals when a blocking situation arises, either due to the lack of spectral resources or transmission reach reasons. In this paper, we propose a mechanism based on a Mixed Integer Linear Programming (MILP) formulation for efficiently serving incoming demands in SSA-based elastic optical networks. Moreover, we also present a lightweight heuristic mechanism for scenarios where the MILP mechanism may suffer from scalability issues. The benefits of the proposal are highlighted through illustrative results. Furthermore, we compare two SSA implementations available in the literature in terms of relative transponder cost.
dc.description.abstract	Peer Reviewed

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