An Efficient Converter Placement in Wavelength-Routed WDM Networks with Sparse-Partial-Limited Wavelength Conversion 


Vol. 35,  No. 11, pp. 1596-1606, Nov.  2010


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  Abstract

In this paper, we present a new analytical model that can precisely estimate the blocking performance of wavelength-routed WDM networks with sparse-partial-limited wavelength conversion (SPLWC). The proposed model accounts for the two sources of call blocking in a wavelength converter: range blocking originated from the limited conversion range of a wavelength converter; and capacity blocking induced from the limited number of wavelength converters. Based on the proposed model, we also present a new converter placement algorithm that minimizes the amount of wavelength conversion capability, while satisfying the given constraint on the network-wide blocking probability. From the numerical results obtained from the EON, we demonstrate that the blocking probability of the analytical model closely matches with that of the simulation. We also show that, by efficiently combining the existing sparse, partial, and limited wavelength conversion, the SPLWC can achieve the required blocking performance with the least amount of wavelength conversion cost.

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  Cite this article

[IEEE Style]

H. Jeong, S. Seo, Y. Choi, "An Efficient Converter Placement in Wavelength-Routed WDM Networks with Sparse-Partial-Limited Wavelength Conversion," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 11, pp. 1596-1606, 2010. DOI: .

[ACM Style]

Han-You Jeong, Seung-Woo Seo, and Yoon-Ho Choi. 2010. An Efficient Converter Placement in Wavelength-Routed WDM Networks with Sparse-Partial-Limited Wavelength Conversion. The Journal of Korean Institute of Communications and Information Sciences, 35, 11, (2010), 1596-1606. DOI: .

[KICS Style]

Han-You Jeong, Seung-Woo Seo, Yoon-Ho Choi, "An Efficient Converter Placement in Wavelength-Routed WDM Networks with Sparse-Partial-Limited Wavelength Conversion," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 11, pp. 1596-1606, 11. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880