Abstract
This paper presents a subjective approach to routing in peer-to-peer and ad hoc networks. The main difference between our approach and traditional routing models is the use of a trust model to mediate the risk inherent in routing decisions. Rather than blindly exchanging routing table entries, nodes ‘discount’ recommendations from other nodes using a distributed trust computation which allows them to avoid malicious, faulty and unreliable nodes and links in routing decisions. Adding the risk model allows energy-efficient routing decisions to be made in a wireless network, and we show how our model can be optimized for different network behaviours, including wireless networks. The model is described in the context of the DSR [1] routing algorithm, although it is equally-applicable to others, including peer-to-peer routing substrates.
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Twigg, A. (2003). A Subjective Approach to Routing in P2P and Ad Hoc Networks. In: Nixon, P., Terzis, S. (eds) Trust Management. iTrust 2003. Lecture Notes in Computer Science, vol 2692. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44875-6_16
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DOI: https://doi.org/10.1007/3-540-44875-6_16
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