HYMAD: Hybrid DTN-MANET Routing for Dense and Highly Dynamic Wireless Networks

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Executive Summary

In this paper the authors propose HYMAD, a Hybrid DTN- MANET routing protocol which uses DTN between disjoint groups of nodes while using MANET routing within these groups. HYMAD is fully decentralized and only makes use of topological information exchanges between the nodes. They evaluate the scheme in simulation by replaying real life traces which exhibit this highly dynamic connectivity. The results show that HYMAD outperforms the multi-copy Spray-and-Wait DTN routing protocol it extends, both in terms of delivery ratio and delay, for any number of message copies.

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