Abstract

A detailed traffic analysis of optical packet switch design is performed. Special consideration is given to the complexity of the optical buffering and the overall switch block structure is considered in general. Wavelength converters are shown to improve the traffic performance of the switch blocks for both random and bursty traffic. Furthermore, the traffic performance of switch blocks with add-drop sports has been assessed in a Shufflenetwork showing the advantage of having converters at the inlets. Finally, the aspect of synchronization is discussed through a proposal to operate the packet switch block asynchronously, i.e., without packet alignment at the input.

[IEEE ]

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  1. S. Johansson, "Transport network involving a reconfigurable WDM network layer--A European demonstration," J. Lightwave Technol., vol. 14, pp. 1341-1348, June 1996.
  2. S. B. Alexander et al., "A precompetitive consortium on wide-band all-optical networks," J. Lightwave Technol., vol. 11, pp. 714-735, May/June 1993.
  3. C. A. Brackett, "Foreword--Is there an emerging consensus on WDM networking," J. Lightwave Technol., vol. 14, pp. 936-941, June 1996.
  4. R. E. Wagner, R. C Alderness, A. A. M. Saleh, and M. S. Goodman, "MONET: Multiwavelength optical networking," J. Lightwave Technol., vol. 14, pp. 1349-1355, June 1996.
  5. S. L. Danielsen et al., "WDM packet switch arhitecture and analysis of the influence of tuneable wavelength converters on the performance," J. Lightwave Technol., vol. 15, pp. 219-227, Feb. 1997.
  6. --, "Analysis of a WDM packet switch with improved performance under bursty traffic conditions due to tuneable wavelength converters," J. Lightwave Technol., vol. 16, pp. 729-735, May 1998.

J. Lightwave Technol. (6)

S. Johansson, "Transport network involving a reconfigurable WDM network layer--A European demonstration," J. Lightwave Technol., vol. 14, pp. 1341-1348, June 1996.

S. B. Alexander et al., "A precompetitive consortium on wide-band all-optical networks," J. Lightwave Technol., vol. 11, pp. 714-735, May/June 1993.

C. A. Brackett, "Foreword--Is there an emerging consensus on WDM networking," J. Lightwave Technol., vol. 14, pp. 936-941, June 1996.

R. E. Wagner, R. C Alderness, A. A. M. Saleh, and M. S. Goodman, "MONET: Multiwavelength optical networking," J. Lightwave Technol., vol. 14, pp. 1349-1355, June 1996.

S. L. Danielsen et al., "WDM packet switch arhitecture and analysis of the influence of tuneable wavelength converters on the performance," J. Lightwave Technol., vol. 15, pp. 219-227, Feb. 1997.

--, "Analysis of a WDM packet switch with improved performance under bursty traffic conditions due to tuneable wavelength converters," J. Lightwave Technol., vol. 16, pp. 729-735, May 1998.

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