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In this paper, a novel chaotic particle swarm optimization (CPSO) based scheme is proposed for solving dynamic routing and wavelength assignment problem in all-optical WDM networks without any wavelength conversion. A novel fitness function is proposed to improve the connection blocking probability by taking into account normalized path length and wavelength availability over the whole path. Simulation...
This paper examines the problem of Dynamic Routing and Wavelength Assignment (DRWA) in wavelength division multiplexed (WDM) networks with the wavelength continuity constraint applied. Traditional search algorithms like integer linear programming and graph colouring become inefficient for solving optimization problems like DRWA because of the complexity of the task. Particle Swarm Optimization (PSO)...
The dynamic VPN (DVPN) manager (DVM) works as the autonomous system (AS) administrator in the DVPN system to perform resource scheduling and liaise with the underlying connection management. A novel genetic algorithm based resource scheduling algorithm is proposed; simulation results show that this algorithm is both feasible and efficient for use in DVPN scenarios.
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