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An optical packet contention resolution supporting QoS differentiation with LRWC wavelength converters for OPS

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Abstract

The wavelength conversion is regarded as an effective way to resolve the optical packet contention in the wavelength domain for optical packet switching. An optical packet switching node, based on shared-per-node equipped with limited range wavelength converters and parametric wavelength converters (SPN-LP), is designed to further reduce optical packet loss probability. A novel optical packet contention resolution with priority differentiation wavelength scheduling algorithm to support quality of service (QoS) for the SPN-LP architecture is put forward in the article. The simulation results show that proposed optical packet resolution enables a good QoS differentiation, namely the high priority contending optical packet has the sufficient low packet loss probability.

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Authors and Affiliations

  1. Key lab of Optical Fiber Communication Technology, Chongqing University of Posts and Telecom (CQUPT), Chongwei Road #2, Nanan District, Chongqing, 400065, China

    Huan-lin Liu, Yong Chen & Bin Zhang

Authors
  1. Huan-lin Liu
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  2. Yong Chen
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  3. Bin Zhang
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Correspondence to Huan-lin Liu.

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Liu, Hl., Chen, Y. & Zhang, B. An optical packet contention resolution supporting QoS differentiation with LRWC wavelength converters for OPS. Photon Netw Commun 24, 71–76 (2012). https://doi.org/10.1007/s11107-011-0368-1

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  • DOI: https://doi.org/10.1007/s11107-011-0368-1

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