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IRONMAN: Using social networks to add incentives and reputation to opportunistic networks

Research output: Contribution to conferencePaperpeer-review


Gregory John Bigwood, Tristan Henderson

School/Research organisations


Opportunistic networks enable users to communicate in the absence of network infrastructure. But forwarding messages in such a network incurs costs for nodes in terms of energy and storage. This may lead to nodes being selfish and not forwarding messages for other nodes, resulting in degraded network performance. This paper presents a novel incentive mechanism for opportunistic networks that uses pre-existing social-network information to detect and punish selfish nodes,
incentivising them to participate in the network. Trace-driven simulations demonstrate that our mechanism performs better than existing mechanisms, and that social-network information can also be used to improve existing incentive mechanisms.


Original languageEnglish
Number of pages8
Publication statusPublished - 9 Oct 2011
EventThe Third IEEE International Conference on Social Computing (SocialCom) - Boston, United States
Duration: 9 Oct 201111 Oct 2011


ConferenceThe Third IEEE International Conference on Social Computing (SocialCom)
CountryUnited States

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