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Stable dimensioning issue for optical packet ring with uniform and symmetric traffic

Abstract : Optical packet switching allows very efficient bandwidth use in the metropolitan ring networks, in comparison to optical circuit switching. However, when dimensioning an optical packet switching network, the stability of the network needs to be planned carefully, as these networks encounter the same stability issues like the electronic packet networks (e.g. Ethernet or Resilient Packet Ring). In this work, we show which stability conditions need to be satisfied by inserting nodes, in an optical packet switching network. On an example, we illustrate the impact that the stability has on the network QoS performance and incite the introduction of the stability constraints in network design. Next, we explain a network design method and the corresponding CAPEX cost assumptions. Finally, we study the stability in a small metropolitan ring with uniform and symmetric traffic matrix. Numerical results show that the stability constraints induce the average increase in network CAPEX cost of around 9%.
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https://hal.archives-ouvertes.fr/hal-00797510
Contributor : Bibliothèque Télécom Bretagne <>
Submitted on : Wednesday, March 6, 2013 - 3:35:45 PM
Last modification on : Thursday, March 5, 2020 - 3:57:38 PM

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  • HAL Id : hal-00797510, version 1

Citation

Bogdan Uscumlic, Veselin Gredic, Annie Gravey, Philippe Gravey, Michel Morvan, et al.. Stable dimensioning issue for optical packet ring with uniform and symmetric traffic. TELFOR 2012: 20th Telecommunications Forum, Nov 2012, Belgrade, Serbia. ⟨hal-00797510⟩

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