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Routing, the act of moving information across an internet work from a source to a destination is one of the major issues in computer network literature. When it comes to mobile ad hoc network, the complexity increases due to various characteristics like dynamic topology, absence of centralized authority, time varying QoS Requirements etc. The biggest challenge in this kind of networks is to find a path between the communication end points satisfying user's QoS requirement which is aggravated through the node mobility. In this paper authors propose a new on demand QoS routing algorithm "Ant Routing for Mobile Ad Hoc Networks (ARMAN)" based on ant colony metaheuristic. The proposed algorithm will be highly adaptive, efficient and scalable and mainly reduces end-to-end delay in high mobility cases.
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