NDLI: Optimization of a WDM optical packet switch with wavelength converters

Content Provider	IEEE Xplore Digital Library
Author	Kuo-Chun Lee Li, V.O.K.
Copyright Year	1995
Description	Author affiliation: Commun. Sci. Inst., Univ. of Southern California, Los Angeles, CA, USA (Kuo-Chun Lee; Li, V.O.K.)
Abstract	This paper investigates a wavelength-division-multiplexed optical packet switch with wavelength converters which can shift optical packets to any wavelength of their destined outbound links. Wavelength conversion can reduce packet dropping probability due to wavelength contentions. However, not all the packets need conversion, and hence conversion should be optimized to reduce the number of converters and improve the quality of signals by reducing unnecessary conversion. We derive the maximum number of conversions in a packet switch with l inbound/outbound links and w wavelengths per link and develop a switch control algorithm to minimize the number of wavelength conversions while maintaining the same minimum number of dropped packets. Simulation results show that the packet dropping probability decreases significantly with wavelength conversion and that fewer converters than the maximum number of conversions are needed.
Starting Page	423
Ending Page	430
File Size	803505
Page Count	8
File Format	PDF
ISBN	081866990X
ISSN	0743166X
DOI	10.1109/INFCOM.1995.515905
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-04-02
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelength division multiplexing Optical packet switching Optical wavelength conversion Optical buffering Optical switches Optical filters Delay lines Wavelength conversion Bandwidth Optical noise
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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