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Proceedings Paper

Forward reservation protocol with immediate unlock (FRP-IU) for dynamic lightpath establishment in all-optical networks (AONs)
Author(s): Debashis Saha
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Paper Abstract

This paper presents a distributed control protocol for wavelength reservation in wide-area WDM all-optical networks. The protocol aims to establish wavelength-continuous lightpaths dynamically and efficiently so as to minimize the overall blocking probability at the cost of a nominal increase in control overhead. It uses forward reservation with immediate unlocking of unnecessary wavelengths at intermediate nodes to reduce the change of blocking. Forward reservation is normally considered to be better than backward reservation from the point of view of set-up delay. Immediate unlock facility makes it more efficient in terms of blocking probability. We show through simulation that the protocol improves the success rate in connection establishment (considerably for low aggressiveness) without much incrementing the control overhead.

Paper Details

Date Published: 5 October 2000
PDF: 8 pages
Proc. SPIE 4213, Terabit Optical Networking: Architecture, Control, and Management Issues, (5 October 2000); doi: 10.1117/12.402547
Show Author Affiliations
Debashis Saha, Jadavpur Univ. (India)


Published in SPIE Proceedings Vol. 4213:
Terabit Optical Networking: Architecture, Control, and Management Issues
John M. Senior; Sudhir Dixit; Chunming Qiao, Editor(s)

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