Photonic Network Communications

, Volume 16, Issue 1, pp 61–70 | Cite as

Blocking models of optical burst switches with shared wavelength converters: exact formulations and analytical approximations

  • Pedro ReviriegoEmail author
  • Anna Maria Guidotti
  • Carla Raffaelli
  • Javier Aracil


Loss modeling of asynchronous optical burst switches with shared wavelength converters is considered. An exact analysis based on continuous time Markov chains is proposed and validated by comparison with simulation for balanced and unbalanced traffic. A computationally efficient approximated analysis is also proposed and compared with the exact model to find applicability conditions. Approximate loss performance evaluation is presented for ranges of values which are not tractable either by simulation or exact analysis.


Switching OBS Blocking WDM 


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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Pedro Reviriego
    • 1
    Email author
  • Anna Maria Guidotti
    • 2
  • Carla Raffaelli
    • 2
  • Javier Aracil
    • 3
  1. 1.Universidad Antonio de NebrijaMadridSpain
  2. 2.D.E.I.S.-University of BolognaBolognaItaly
  3. 3.Universidad Autónoma de MadridMadridSpain

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