An investigation on the unwillingness of nodes to participate in mobile delay tolerant network routing |
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| Authors: | Jingwei Miao Omar Hasan Sonia Ben Mokhtar Lionel Brunie Kangbin Yim |
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| Institution: | 1. University of Lyon, CNRS, INSA-Lyon, LIRIS, UMR5205, F-69621, France;2. Department of Information Security Engineering, Soonchunhyang University, Asan, Republic of Korea |
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| Abstract: | Message routing in mobile delay tolerant networks inherently relies on the cooperation between nodes. In most existing routing protocols, the participation of nodes in the routing process is taken as granted. However, in reality, nodes can be unwilling to participate. We first show in this paper the impact of the unwillingness of nodes to participate in existing routing protocols through a set of experiments. Results show that in the presence of even a small proportion of nodes that do not forward messages, performance is heavily degraded. We then analyze two major reasons of the unwillingness of nodes to participate, i.e., their rational behavior (also called selfishness) and their wariness of disclosing private mobility information. |
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| Keywords: | Mobile Delay tolerant Selfish Privacy Reputation Game theory Ecash |
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