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22 September 2000 Revenue maximization in survivable WDM networks
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Service availability is an indispensable requirement for many current and future applications over the Internet and hence has to be addressed as part of the optical QoS service model. Network service providers can offer varying classes of services based on the choice of protection employed which can vary from full protection to no protection. Based on the service classes, traffic in the network falls into one of the three classes viz., full protection, no protection and best-effort. The network typically relies on the best-effort traffic for maximizing revenue. We consider two variations on the best-effort class, (1) all connections are accepted and network tries to protect as many as possible and (2) a mix of protected and unprotected connections and the goal is to maximize revenue. In this paper, we present a mathematical formulation, that captures service differentiation based on lightpath protection, for revenue maximization in a wavelength routed backbone networks. Our approach also captures the service disruption aspect into the problem formulation, as there may be a penalty for disrupting currently working connections.
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Murari Sridharan and Arun K. Somani "Revenue maximization in survivable WDM networks", Proc. SPIE 4233, OptiComm 2000: Optical Networking and Communications, (22 September 2000);

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