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Morató Osés, Daniel

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https://academica-e.unavarra.es/handle/2454/49612

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Morató Osés

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Daniel

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Ingeniería Eléctrica, Electrónica y de Comunicación

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ISC. Institute of Smart Cities

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0000-0002-0831-4042

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2085

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Author: Aracil Rico, Javier × Subject: OBS ×

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Now showing 1 - 2 of 2
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    PublicationOpen Access
    Multiresolution analysis of optical burst switching traffic
    (IEEE, 2003) Aracil Rico, Javier; Morató Osés, Daniel; Magaña Lizarrondo, Eduardo; Izal Azcárate, Mikel; Automática y Computación; Automatika eta Konputazioa
    In this paper, a Multiresolution Analysis is conducted in order to study the self-similar features of Optical Burst Switching (OBS) traffi c. The scenario consists of an OBS backbone with input traffic from a large number of Internet users, that generate Poisson-arriving heavytailed bursts. The results show that long-range dependence is preserved at timescales longer than the burst assembly timeout value while the traffic variability at short timescales is increased.
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    PublicationOpen Access
    Blocking time analysis of OBS routers with arbitrary burst size distribution
    (IEEE, 2003) Morató Osés, Daniel; Izal Azcárate, Mikel; Aracil Rico, Javier; Magaña Lizarrondo, Eduardo; Miqueleiz Alamos, J.; Automática y Computación; Automatika eta Konputazioa
    The blocking time distribution for an OBS router is obtained, under the assumption of Poisson-arriving bursts with Pareto, Gaussian and Exponential burst size distributions. Analytical expressions are provided as a function of number of wavelengths per port. Such expressions can be used to dimension Fiber Delay Lines (FDLs) and to perform end-to-end delay estimation. On the other hand, we show that the blocking time distribution becomes exponential as the number of wavelengths increases, regardless of the burst size distribution. Since the burst size distribution is determined by the burst assembly algorithm at the network edges, we conclude that the burst assembly algorithm will have no influence on both burst blocking probability and burst blocking time in future DWDM networks.