Sung-Su Hyun, Hyeon-Jin Jeong, Seoung-Sik Choi, Journal of Internet Computing and Services, Vol. 15, No. 3, pp. 53-62, Jun. 2014
10.7472/jksii.2014.15.3.53, Full Text:
Keywords: DTN Protocol, Spray and Wait Protocol, One simulator

Abstract

DTN is the next generation network that is used in not guaranteed end-to-end connection such as communication between planet and satellite, frequent connection severance, and not enough for qualified network infrastructure. In this paper, we propose the hybrid Spray-and-Wait algorithm to predict the node contact time by monitoring the periodic contacts information between the nodes. Based on this method, we select one node on the basis of prediction time and copy a message for spray and wait algorithm. In order to verify the the hybrid Spray and Wait algorithm, we use the ONE(Opportunistic Network Environment) Simulator of Helsinki University. The delivery probability of the proposed algorithm is compared to the Binary Spray and Wait algorithm, it is showed that it has 10% less overhead than Binary Spray and Wait routing. It has also shown that it reduces unnecessary copying of this message.

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