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QoS routing and multipath routing have been receiving much attention respectively in network communication. However, the research combining those two kinds of routing is rare. This paper integrated the ideas of QoS and multipath, and presented the problem of shortest pair of disjoint paths with bandwidth guaranteed. we proved it to be NP-complete, and then proposed a heuristic algorithm. The analysis...
Multipath Routing plays an important role in communication networks. Multiple disjoint paths can increase the effective bandwidth between pairs of vertices, avoid congestion in a network and reduce the probability of dropped packets. In this paper, we built mathematical models for arc-disjoint paths problem and vertex-disjoint paths problem respectively, and then proposed polynomial algorithms for...
In this paper, a multi-depot vehicle routing problem with weight-related cost (MDVRPWRC) is discussed. It is an extension of the classical multi-depot vehicle routing problem (MDVRP) by treating the vehicle load, i.e. the total weight of freight in a vehicle, as a variable in the objective of model. The corresponding costs incurred by the vehicle load are considered in the objective function when...
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