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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 19, Iss. 9 — Sep. 1, 2001
  • pp: 1241–

Packet Loss and Delay Performance of Feedback and Feed-Forward Arrayed-Waveguide Gratings-Based Optical Packet Switches With WDM Inputs-Outputs

M. C. Chia, D. K. Hunter, I. Andonovic, P. Ball, I. Wright, S. P. Ferguson, K. M. Guild, and M. J. O'Mahony

Journal of Lightwave Technology, Vol. 19, Issue 9, pp. 1241- (2001)


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Abstract

This paper analyzes the packet loss and delay performance of an arrayed-waveguide-grating-based (AWG) optical packet switch developed within the EPSRC-funded project WASPNET (wavelength switched packet network). Two node designs are proposed based on feedback and feed-forward strategies, using sharing among multiple wavelengths to assist in contention resolution. The feedback configuration allows packet priority routing at the expense of using a larger AWG. An analytical framework has been established to compute the packet loss probability and delay under Bernoulli traffic, justified by simulation. A packet loss probability of less than 10-9 was obtained with a buffer depth per wavelength of 10 for a switch size of 16 inputs-outputs, four wavelengths per input at a uniform Bernoulli traffic load of 0.8 per wavelength. The mean delay is less than 0.5 timeslots at the same buffer depth per wavelength.

[IEEE ]

Citation
M. C. Chia, D. K. Hunter, I. Andonovic, P. Ball, I. Wright, S. P. Ferguson, K. M. Guild, and M. J. O'Mahony, "Packet Loss and Delay Performance of Feedback and Feed-Forward Arrayed-Waveguide Gratings-Based Optical Packet Switches With WDM Inputs-Outputs," J. Lightwave Technol. 19, 1241- (2001)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-19-9-1241

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