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Inter-domain Routing in Optical Networks with Wavelength Converters
Beshir, Anteneh; Yannuzzi, Marcelo; Kuipers, Fernando Antonio
Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors; Universitat Politècnica de Catalunya. ANA - Grup d'Arquitectures Avançades de Xarxes
With the increasing deployment of wavelengthdivision multiplexing (WDM) optical networks, the need for advanced lightpath provisioning algorithms and protocols in a multi-domain setting is becoming evident. In order to increase efficiency by relaxing the wavelength continuity constraint in WDM optical networks, wavelength converters are often placed at certain nodes in the network. In this paper, we study the efficiency of using converters in a multi-domain setting. We have made simple but important modifications to existing optical inter-domain routing protocols in order to utilize the power of wavelength converters and have tested their performance. These modifications can be seamlessly integrated into these protocols (i.e., without changing their algorithmic aspects) to significantly reduce their blocking ratio. We also show that there is a clear performance difference among the considered protocols.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica
Wavelength division multiplexing
Optical communications
Multiplexing
Xarxes de telecomunicacions òptiques
Comunicacions òptiques
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/submittedVersion
info:eu-repo/semantics/conferenceObject
IEEE Computer Society Publications
         

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