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Backpressure routing, in which packets are preferentially transmitted over links with high queue differentials, offers the promise of throughput-optimal operation for a wide range of communication networks. However, when traffic load is low, backpressure methods suffer from long delays. This is of particular concern in intermittent encounter-based mobile networks which are already delay-limited due...
In Delay and Disruption Tolerant Networks (DTN), because of its intermittent connectivity features, resulting in packet transmission process cannot ensure end to end path, usually employ a "store - carry - forwards" approach to forward the message. Currently the key method to solve information exchange in DTN is select forwarding nodes effectively. Made the information deliver to the destination...
In this paper, we propose a new routing protocol named ACDTN, inspired from the collective behavior in ants colonies, to find the hops that are more likely to approach the message to it final destination, by combining the information on the time and the geographical coordinates of appointment places (visibility) and the encounters frequency between nodes (pheromone) to compute the transition probability...
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