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Dynamic Routing and Wavelength Assignment in Multifiber WDM Networks with Wavelength Conversion Capability

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  • Kouji Hirata
  • Dewiani *

Abstract

This paper proposes a dynamic routing and wavelength assignment (RWA) scheme in multifiber WDM networks with wavelength conversion capability. In multifiber WDM networks, each link consists of multiple fibers. Thus, multiple lightpaths with the same wavelength can be established in the same link as long as they use different fibers. In WDM networks with wavelength conversion, the network nodes have wavelength conversion capability which can convert one wavelength to another. In order to efficiently utilize multifiber and wavelength conversion capability, an appropriate RWA scheme is necessary. The proposed scheme provides RWA for multifiber WDM networks with sparse and full wavelength conversion capability. In the proposed scheme, a route and wavelengths are selected for each lightpath based on wavelength availability and location of nodes with wavelength conversion capability. Through simulation experiments, we show that the proposed scheme reduces the blocking probability of lightpath establishment efficiently.

Suggested Citation

  • Kouji Hirata & Dewiani *, 2012. "Dynamic Routing and Wavelength Assignment in Multifiber WDM Networks with Wavelength Conversion Capability," Network and Communication Technologies, Canadian Center of Science and Education, vol. 1(2), pages 1-36, November.
    • Handle: RePEc:ibn:nctjnl:v:1:y:2012:i:2:p:36
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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