Performance analysis of a limited number of wavelength converters in an optical switching node

In this letter, we present studies of an optical switching (OS) node utilizing a limited number of wavelength converters (WCs). The study stems from practical observation that WCs are expensive. Consequently, each output wavelength may not necessarily have its own WC and has to share a limited pool...

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Veröffentlicht in:	IEEE photonics technology letters 2005-05, Vol.17 (5), p.1130-1132
Hauptverfasser:	Li, H., Thng, I.L.-J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Converters Mathematical analysis Mathematical models Operating systems Optical buffering Optical burst switching (OBS) Optical fiber networks Optical fibers Optical packet switching optical packet switching (OPS) Optical switches Optical switching optical switching (OS) Optical wavelength conversion Performance analysis share-per-fiber (SPF) Superplastic forming Telecommunication traffic Traffic control wavelength conversion wavelength routed networks Wavelength routing Wavelengths WCs
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Beschreibung
Zusammenfassung:	In this letter, we present studies of an optical switching (OS) node utilizing a limited number of wavelength converters (WCs). The study stems from practical observation that WCs are expensive. Consequently, each output wavelength may not necessarily have its own WC and has to share a limited pool of WCs with other output wavelengths. In order to improve the utilization of the limited number of WCs, a share-per-fiber (SPF) mode is proposed for the OS node. Subsequently, a two-dimensional Markov chain model of SPF is presented to evaluate its performance. Numerical results are presented to verify the accuracy of the analytical model.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2005.845663