Design of dynamic reconfiguration policies for broadcast WDM networks

Ilia Baldine; George N. Rouskas

doi:10.1117/12.327053

7 October 1998 Design of dynamic reconfiguration policies for broadcast WDM networks

Ilia Baldine, George N. Rouskas

Proceedings Volume 3531, All-Optical Networking: Architecture, Control, and Management Issues; (1998) https://doi.org/10.1117/12.327053
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

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.

Citation Download Citation

Ilia Baldine and George N. Rouskas "Design of dynamic reconfiguration policies for broadcast WDM networks", Proc. SPIE 3531, All-Optical Networking: Architecture, Control, and Management Issues, (7 October 1998); https://doi.org/10.1117/12.327053

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