Dynamic Spray and Wait Routing Protocol for Delay Tolerant Networks

Abstract : Delay Tolerant Networks (DTN) is one of the mobile wireless networks that cannot set up the end-to-end communication path between the source and destination nodes pair in most of time. In this paper, we propose an improved routing protocol named as Dynamic Spray & Wait (DS&W), which is based on Spray and Wait routing strategy attempting to gain the higher delivery ratio benefits of replication-based routing as well as the lower resource utilization benefits of forwarding-based routing. But different from S&W, DS&W routing strategy focus on dynamic control to reduce the scale of the messages’ flooding by calculating the delivery success probabilities to destinations. DS&W routing protocol can dramatically reduce the overhead ratio in DTNs. Simulation results also evident that DS&W protocol outperforms other existing DTN routing protocols.
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Longbo Zhang, Chen Yu, Hai Jin. Dynamic Spray and Wait Routing Protocol for Delay Tolerant Networks. 9th International Conference on Network and Parallel Computing (NPC), Sep 2012, Gwangju, South Korea. pp.69-76, ⟨10.1007/978-3-642-35606-3_8⟩. ⟨hal-01551307⟩

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