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Proceedings Paper

Design of dynamic reconfiguration policies for broadcast WDM networks
Author(s): Ilia Baldine; George N. Rouskas
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Paper Abstract

We study the issues arising when considering the problem of reconfiguring broadcast optical networks in response to changes in the traffic patterns. Although the ability to dynamically optimize the network under changing traffic conditions has been recognized as one of the key features of multiwavelength optical networks, this is the first in-depth study of the tradeoffs involved in carrying out the reconfiguration process. We first identify the degree of local balancing and the number of retunings as two important, albeit conflicting, objectives in the design of reconfiguration policies. We then formulate the problem as a Markovian Decision Process and we develop a systematic and flexible framework in which to view and contrast reconfiguration policies. We also apply results from Markov Decision Process theory to obtain optimal reconfiguration policies even for networks of large size. The advantages of optimal policies over a class of threshold-based policies are also illustrated through numerical results.

Paper Details

Date Published: 7 October 1998
PDF: 12 pages
Proc. SPIE 3531, All-Optical Networking: Architecture, Control, and Management Issues, (7 October 1998); doi: 10.1117/12.327053
Show Author Affiliations
Ilia Baldine, North Carolina State Univ. (United States)
George N. Rouskas, North Carolina State Univ. (United States)

Published in SPIE Proceedings Vol. 3531:
All-Optical Networking: Architecture, Control, and Management Issues
John M. Senior; Chunming Qiao, Editor(s)

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