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In this paper, a QoS multicast routing scheme with ABC (always best connected) supported is proposed based on the ant algorithm. To deal with the inaccurate network status and the imprecise user QoS requirement, it uses the range to describe them, introduces the edge bandwidth pricing, the edge evaluation and the tree evaluation, and tries to find a QoS multicast tree with the Pareto optimum under...
In this paper, a QoS multicast routing scheme based on TS (Tabu Search) and AFS (artificial fish swarm) is presented. The corresponding model and its mathematical description are introduced. By combining fast searching ability of AFS and global optimization ability of TS, it tries to find the best multicast tree with the maximum probability of meeting multiple QoS constraints under the given cost...
A unicast video-on-demand (VOD) system is good at interactivity but bad at scalability. Many multicast schemes have been proposed to solve the scalability problem in recent years. However, the weakness of these schemes are lack of interactivity. Furthermore, most multicast schemes rely on a large number of buffer and bandwidth to prefetch a large portion of video content in order to keep the video...
In this paper, the knowledge of the fuzzy mathematics, game theory and swarm intelligence computing method is introduced to design a flexible QoS multicast routing scheme. Based on BCC (bacteria colony chemotaxis), it searches for a QoS multicast tree with Pareto optimum under Nash equilibrium between the network provider utility and the user utility achieved or approached. Simulation results have...
Recently, more and more people have begun using mobile devices such as PDAs and notebooks. Our lives have been profoundly affected by such devices. A MANET, a mobile ad hoc network, is an effective networking system facilitating an exchange data between mobile devices, without the support of wireless access points and base stations. A MANET is not restricted to unicast or multicast communication,...
In this paper, a game theory based fuzzy QoS multicast routing scheme is proposed and has been implemented by simulation. It consists of three parts: edge evaluation, game analysis, and multicast tree construction. It does comprehensive evaluation on candidate edges based on adaptability membership degree functions for edge parameters, determines whether Nash equilibrium between network provider utility...
Taking the characteristics of difficulty on exact measurement and complete expression of NGI (next generation Internet) into account, a flexible QoS multicast routing algorithm based on DE (differential evolution) is presented with introduction of principle of fuzzy mathematics. The corresponding model and its mathematical description are introduced. Under inaccurate information of QoS parameters...
Taking the characteristics of multi-constrained QoS (quality of service) routing into account, an intelligent QoS multicast routing algorithm based on PSO (particle swarm optimization) and GA (genetic algorithm) is presented. In this paper, the corresponding model and its mathematical description are introduced. Under inaccurate information of QoS parameters, combining fast searching ability of PSO...
With the characteristics of multi-constrained QoS (quality of service) routing in NGI (next generation Internet) considered, a hybrid intelligent QoS multicast routing algorithm based on PSO (particle swarm optimization) and GA (genetic algorithm) is presented. It tries to find the best multicast routing tree with the maximum probability of meeting multiple QoS constraints under the given cost.
In this paper, a QoS multicast routing algorithm in IP/DWDM optical Internet is proposed. Given a user request, a bandwidth, delay jitter and error rate bounded and cost optimized QoS multicast routing tree is constructed based on the evolutionary-simplex-algorithm, taking network load balancing into account. Simulation results have shown that it is not only feasible and effective but also advantageous...
IP/DWDM optical Internet is one of the main networking technologies for the NGI (next generation Internet). QoS multicast routing is one of its basic problems to be solved and is proven to be NP-hard. Thus, a non-NP algorithm is proposed in this paper. It is based on bi-population-evolution to find a cost-optimized QoS multicast routing tree with routing and wavelength assignment solved integratedly...
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