Spray and Dynamic: Advanced Routing in Delay Tolerant Networks


This paper addresses the problem of routing in delay tolerant networks (DTNs). Delay tolerant networks are wireless networks where disconnections occur frequently due to mobility of nodes, failures of energy, the low density of nodes, or when the network extends over long distances. In these cases, traditional routing protocols that have been developed for mobile ad hoc networks prove to be ineffective to the extent of transmitting messages between nodes. To resolve this problem and improve the performance of routing in delay tolerant networks we propose a new routing protocol called Spray and Dynamic; this approach represents an improvement of the spray and wait protocol by combining it with the two protocols: MaxProp and the model of “transfer by delegation” (Custody Transfer). To implement our approach Spray and Dynamic, we have developed a DTN simulator according to DTN network architecture.

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E. Sammou, "Spray and Dynamic: Advanced Routing in Delay Tolerant Networks," International Journal of Communications, Network and System Sciences, Vol. 5 No. 2, 2012, pp. 98-104. doi: 10.4236/ijcns.2012.52013.

Conflicts of Interest

The authors declare no conflicts of interest.


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