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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/62304

    Título
    An ILP formulation for partially upgrading elastic optical networks to multi-band
    Autor
    Hosseini, SoheilAutoridad UVA
    Miguel Jiménez, Ignacio deAutoridad UVA Orcid
    Durán Barroso, Ramón JoséAutoridad UVA Orcid
    González de Dios, Óscar
    Merayo Álvarez, NoemíAutoridad UVA Orcid
    Aguado Manzano, Juan CarlosAutoridad UVA Orcid
    Echeverry, Edward
    Fernández Reguero, PatriciaAutoridad UVA Orcid
    Lorenzo Toledo, Rubén MateoAutoridad UVA Orcid
    Abril Domingo, Evaristo JoséAutoridad UVA Orcid
    Congreso
    2023 International Conference on Optical Network Design and Modeling (ONDM)
    Año del Documento
    2023
    Editorial
    Institute of Electrical and Electronics Engineers (IEEE)
    Descripción Física
    5 p.
    Descripción
    Producción Científica
    Documento Fuente
    2023 International Conference on Optical Network Design and Modeling (ONDM), Coimbra, Portugal, 2023, pp. 1-5.
    Résumé
    We propose an integer linear programming (ILP) formulation to perform a partial upgrade of conventional elastic optical networks to multi-band optical networks in which both the C-band and the L-band are activated. Under the assumption that, in dynamic network operation, the optical connections are established following precomputed paths, the formulation determines which (limited) set of fibers should be upgraded to support multi-band transmission with the objective of maximizing the number of precomputed paths that can benefit from such upgrade. We investigate the network performance in terms of bandwidth blocking ratio as a function of the traffic load and the number of links upgraded from the C-band to the C+L bands. Moving towards other spectral bands provides more spectral resources, which leads to reductions in blocking probability. However, in the case of not having enough financial resources to achieve a fully upgraded network, the selection of fibers for migration must be done efficiently, for which the proposed ILP formulation is useful. The performance of the link upgrades provided by the ILP formulation is compared with a heuristic proposed in a previous work, by analyzing the reduction on the blocking probability obtained.
    Palabras Clave
    Elastic optical networks
    Multi-band
    Fiber migration
    Integer linear programming
    Network simulation
    Patrocinador
    EU H2020 MSCA ITN-ETN IoTalentum (grant no. 953442);
    Ministerio de Ciencia e Innovación y Agencia Estatal de Investigación (Proyecto PID2020-112675RB-C42 financiado por MCIN/AEI/10.13039/501100011033)
    EU H2020 B5G-OPEN (GA 101016663)
    Version del Editor
    https://ieeexplore.ieee.org/abstract/document/10144883
    Idioma
    spa
    URI
    https://uvadoc.uva.es/handle/10324/62304
    Tipo de versión
    info:eu-repo/semantics/acceptedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP71 - Comunicaciones a congresos, conferencias, etc. [127]
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    Fichier(s) constituant ce document
    Nombre:
    shosseini_An_ILP_formulation_for_partially_upgrading_postprint.pdf
    Tamaño:
    647.0Ko
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    Attribution-NonCommercial-NoDerivatives 4.0 InternacionalExcepté là où spécifié autrement, la license de ce document est décrite en tant que Attribution-NonCommercial-NoDerivatives 4.0 Internacional

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