Reduction of Switch Cost by Optimization of Tunable Wavelength Converters and Internal Wavelengths in the Optical Packet Switch with Shared FDL Buffer

Il-Sun Hwang; Huhn-Kuk Lim; Ki-Sung Yu; Jin-Wook Chung

Reduction of Switch Cost by Optimization of Tunable Wavelength Converters and Internal Wavelengths in the Optical Packet Switch with Shared FDL Buffer

Il-Sun Hwang, Huhn-Kuk Lim, Ki-Sung Yu, Jin-Wook Chung, Journal of Internet Computing and Services, Vol. 7, No. 6, pp. 113-122, Dec. 2006
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Keywords: Tunable wavelength converters (TWCs), internal wavelengths, contention resolution, optical packet switch (OPS), fiber delay line (FDL) buffer

Abstract

To reduce switch cost, the optimum numbers of tunable wavelength converters (TWCs) and internal wavelengths required for contention resolution of asynchronous and variable length packets like internet traffics, is presented in the optical packet switch (OPS) with the shared fiber delay line (FDL) buffer. To optimize TWCs and internal wavelength related to on OPS design cost, we proposed a scheduling algorithm for the limited TWCs and internal wavelengths. For three TWC alternatives (not shared, partially shared, and fully shared cases), the optimum numbers of TWCs and internal wavelengths to guarantee minimum pocket loss are evaluated to prevent resource waste. Under o given load, TWCs and internal wavelengths could be significantly reduced, guaranteeing the same pocket loss probability as the performance of on OPS with full TWCs and internal wavelengths.

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Cite this article

[APA Style]

Hwang, I., Lim, H., Yu, K., & Chung, J. (2006). Reduction of Switch Cost by Optimization of Tunable Wavelength Converters and Internal Wavelengths in the Optical Packet Switch with Shared FDL Buffer. Journal of Internet Computing and Services, 7(6), 113-122.

[IEEE Style]

I. Hwang, H. Lim, K. Yu, J. Chung, "Reduction of Switch Cost by Optimization of Tunable Wavelength Converters and Internal Wavelengths in the Optical Packet Switch with Shared FDL Buffer," Journal of Internet Computing and Services, vol. 7, no. 6, pp. 113-122, 2006.

[ACM Style]

Il-Sun Hwang, Huhn-Kuk Lim, Ki-Sung Yu, and Jin-Wook Chung. 2006. Reduction of Switch Cost by Optimization of Tunable Wavelength Converters and Internal Wavelengths in the Optical Packet Switch with Shared FDL Buffer. Journal of Internet Computing and Services, 7, 6, (2006), 113-122.