Wavelength and time domain exploitation for QoS management in optical packet switches

This paper addresses the problem of congestion resolution and quality of service differentiation in optical packet switching. The paper shows that by designing congestion resolution algorithms that combine the use of the wavelength and the time domain it is possible to significantly reduce informati...

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Bibliographic Details
Published in:Computer networks (Amsterdam, Netherlands : 1999) Netherlands : 1999), 2004-03, Vol.44 (4), p.569-582
Main Authors: Callegati, F., Cerroni, W., Raffaelli, C., Zaffoni, P.
Format: Article
Language:English
Subjects:
Algorithms
Congestion control
Congestion resolution
Networks
Optical networks
Optical packet switching
Packet switched networks
Packet switching
Quality of service
Simulation
Studies
Wave division multiplexing
Wavelength division multiplexing
Wavelength multiplexing
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Summary:This paper addresses the problem of congestion resolution and quality of service differentiation in optical packet switching. The paper shows that by designing congestion resolution algorithms that combine the use of the wavelength and the time domain it is possible to significantly reduce information loss phenomena and also to guarantee quality of service differentiation among traffic classes. In particular this is achieved by means of QoS algorithms specifically designed to exploit the characteristics of optical technology. The results are different from the QoS techniques typically implemented in electronic networks. Performance evaluation obtained by simulation shows the influence of the main system parameters on packet loss probability and delay for two service classes.
ISSN:1389-1286
1872-7069
DOI:10.1016/j.comnet.2003.12.010