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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/52821

    Título
    Routing, modulation and spectrum assignment algorithm using multi-path routing and best-fit
    Autor
    Ruiz Pérez, LidiaAutoridad UVA Orcid
    Durán Barroso, Ramón JoséAutoridad UVA Orcid
    Miguel Jiménez, Ignacio deAutoridad UVA Orcid
    Merayo Álvarez, NoemíAutoridad UVA Orcid
    Aguado Manzano, Juan CarlosAutoridad UVA Orcid
    Abril Domingo, Evaristo JoséAutoridad UVA Orcid
    Año del Documento
    2021
    Editorial
    IEEE Xplore
    Descripción
    Producción Científica
    Documento Fuente
    IEEE Access, 2021, vol. 9. p. 111633-111650
    Resumo
    Elastic Optical Networks (EONs) are a promising optical technology to deal with the ever-increasing traffic and the vast number of connected devices of the next generation of the Internet, associated to paradigms like the Internet of Things (IoT), the Tactile Internet or the Industry 4.0, to name just a few. In this kind of optical network, each optical circuit or lightpath is provisioned by means of superchannels of variable bandwidth. In this manner, only the necessary bandwidth to accommodate the demand is allocated, improving the spectrum usage. When establishing a connection, the EON control layer determines the modulation format to be used and allocates a portion of the spectrum in a sequence of fibers from the source to the destination node providing the user-demanded bandwidth. This is known as the routing, modulation level and spectrum assignment (RMSA) problem. In this work, we firstly review the most important contributions in that area, and then, we propose a novel RMSA algorithm, multi-path best-fit (MP-BF), which uses a split spectrum multi-path strategy together with a spectrum assignment technique (best-fit), and which jointly exploit the flexibility of EONs. A simulation study has been conducted comparing the performance of EONs when using MP-BF with other proposals from the literature. The results of this study show that, by using MP-BF, the network can increase its performance in terms of lightpath request blocking ratio and supported traffic load, without affecting the energy per bit or the computation time required to find a solution.
    Palabras Clave
    Optical networks
    Redes ópticas
    ISSN
    2169-3536
    Revisión por pares
    SI
    DOI
    10.1109/ACCESS.2021.3101998
    Version del Editor
    https://ieeexplore.ieee.org/document/9503371
    Propietario de los Derechos
    © 2021 IEEE Xplore
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/52821
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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    Universidad de Valladolid

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