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On traffic scaling transformation at ingress optical burst switches

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Abstract

Ingress nodes in optical burst switching (OBS) networks are responsible for assembling burst from incoming packets and forwarding these bursts into the OBS network core. Changes in the statistical characteristics of a traffic stream at an ingress switch can affect the capacity of the network to provide quality of service. Therefore, the statistical characteristics of the output flow of an ingress node must be known for appropriate network dimensioning. This paper evaluates the impact of burst assembly mechanisms on the scaling properties of multifractal traffic flows. Results show that the factor most relevant in determining the nature of the output traffic flow is the relationship between the cut-off time scale of the input traffic and the time scale of assembly threshold. Moreover, a procedure for the detection of the cut-off scale of incoming traffic is introduced.

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Acknowledgments

This research work was partially supported by CNPq, Funttel and FAPESP.

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Authors and Affiliations

  1. Department of Computer Science, Federal University of Bahia, Salvador, Brazil

    Gustavo B. Figueiredo

  2. Institute of Computing, Federal University of Amazonas, Manaus, Brazil

    Cesar A. V. Melo

  3. Institute of Computing, University of Campinas, Campinas, Brazil

    Nelson L. S. da Fonseca

Authors
  1. Gustavo B. Figueiredo
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  2. Cesar A. V. Melo
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  3. Nelson L. S. da Fonseca
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Correspondence to Nelson L. S. da Fonseca.

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Figueiredo, G.B., Melo, C.A.V. & da Fonseca, N.L.S. On traffic scaling transformation at ingress optical burst switches. Photon Netw Commun 32, 9–27 (2016). https://doi.org/10.1007/s11107-015-0549-4

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  • DOI: https://doi.org/10.1007/s11107-015-0549-4

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