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Optical grids are widely deployed to solve complex problems we are facing today. An important aspect of the supporting network is resiliency i.e. the ability to overcome network failures. In contrast to classical network protection schemes, we will not necessarily provide a back-up path between the source and the original destination. Instead, we will try to relocate the job to another server location...
The power point presentation discussed the proposed method of designing network topology and link capacities to minimize total cost, with constraint of keeping utilization of all links below given level considering detour traffic at single-link failures. The links is connected with high-degree nodes in area with large traffic demand tend to have large excess capacities.
Demand-wise shared protection (DSP) can be thought of as a form of network-level 1:N APS protection scheme. The concept is to split total demand over multiple disjoint routes between each node pair and use one of the routes for protection. Recently referred to as demand-wise shared protection (DSP), this architecture is receiving renewed interest. Especially in high connectivity networks it would...
Dual Node Interconnection (DNI) multi-ring topologies in a traffic grooming context are studied by means of the optimal solutions given by integer linear programming (ILP) formulations. Three ILP models are proposed, namely, to design interconnection networks without protection (WP) and for Virtual Ring (VR) and Drop & Continue (D&C) protection methods. Numerical results using a 13-node network...
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