The Strength of Vicinity Annexation in Opportunistic Networking

Abstract : Most disruption-tolerant networking protocols available have focused on mere contact and intercontact characteristics to make forwarding decisions. We propose to relax such a simplistic approach and include multi-hop opportunities by annexing a node's vicinity to its network vision. We investigate how the vicinity of a node evolves through time and whether such information is useful when routing data. By analyzing a modified version of the pure WAIT forwarding strategy, we observe a clear tradeoff between routing performance and cost for monitoring the neighborhood. By observing a vicinity-aware WAIT strategy, we emphasize how the pure WAIT misses interesting end-to-end transmission opportunities through nearby nodes. Our analyses also suggest that limiting a node's neighborhood view to four hops is enough to improve forwarding efficiency while keeping control overhead low.
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Tiphaine Phe-Neau, Marcelo Dias de Amorim, Vania Conan. The Strength of Vicinity Annexation in Opportunistic Networking. Fifth International Workshop on Network Science for Communication Networks (NetSciCom 2013), Apr 2013, Torino, Italy. pp.217 - 222, ⟨10.1109/INFCOMW.2013.6562898⟩. ⟨hal-00790012⟩

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