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Aidan Walton's Publications

Evaluating the Impact of Social Selfishness on the Epidemic Routing in Delay Tolerant Networks
Citation key LHJSZ-EISSERDTN-10
Author Li, Yong and Hui, Pan and Jin, Depeng and Su, Li and Zeng, Lieguang
Pages 1026–1028
Year 2010
ISSN 1089-7798
DOI http://dx.doi.org/10.1109/LCOMM.2010.093010.100492
Journal IEEE Communication Letters
Volume 14
Number 11
Abstract To cope with the uncertainty of transmission opportunities between mobile nodes, Delay Tolerant Networks (DTN) routing exploits opportunistic forwarding mechanism. This mechanism requires nodes to forward messages in a cooperative and altruistic way. However, in the real world, most of the nodes exhibit selfish behaviors such as individual and social selfishness. In this paper, we investigate the problem of how social selfishness influences the performance of epidemic routing in DTN. First, we model the message delivery process with social selfishness as a two dimensional continuous time Markov chain. Then, we obtain the system performance of message delivery delay and delivery cost by explicit expressions. Numerical results show that DTN is quite robust to social selfishness, which increases the message delivery delay, but there is more reducing of delivery cost.
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