Inter-domain advance resource reservation for slotted optical networks

Authors:
Abdelilah Maach;Abdelhakim Hafid;Jawad Drissi
Affiliations:
SITE, University of Ottawa, Ottawa, On, Canada;Network Research Laboratory, University of Montreal, Canada;Department of Computer Science, Texas State University - San Marcos, San Marcos, Texas
Venue:
ICN'05 Proceedings of the 4th international conference on Networking - Volume Part I
Year:
2005

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Abstract

In inter-domain optical networks, the major issues are bandwidth management and fast service provisioning. The goal is to provide optical networks with intelligent networking functions and capabilities in its control plane to enable rapid optical connection provisioning, multiplexing and switching at different granularity levels, especially wavelength and time slots. In this paper, we propose a new mechanism, for providing resource reservation in advance across multiple domains. The user specifies the service he/she requires, the start time of the reservation, and the duration of the reservation. The proposed scheme provides the user with the resources that can be reserved at the start time and other times in the future carefully selected. This is in opposition to existing approaches that respond with either an acceptation or a rejection of the request. We performed simulations to evaluate the proposed advance reservation scheme. The simulations results show lower user request blocking probability when using the proposed scheme.