Istituto di Informatica e Telematica     
Conti M., Delmastro F., Passarella A. Context-aware File Sharing for Opportunistic Networks. In: MASS 2007 - The Fourth IEEE International Conference on Mobile Ad-hoc and Sensor Systems (Pisa, 2007). Proceedings, pp. 1 - 3. IEEE, 2007.
Opportunistic networks are mainly characterized by nodes intermittently connected among them. Available applications designed for mobile ad hoc networks are not suitable for such an environment since we cannot assume to have a stable path between pairs of nodes. Network protocols and applications themselves must be enhanced to exploit all possible communication opportunities to deliver messages on the network. In this demo we present an enhanced file sharing application based on the exchange of context information between nodes. In this case the context is defined as a combination of the user personal information, interests, and social relationships in order to implement cooperative downloading mechanisms. Besides reducing the impact of intermittent connectivity and high mobility on multihop communications, exploiting context also allows us to avoid flooding, thus resulting in a very efficient approach.
DOI: 10.1109/MOBHOC.2007.4428696
Subject Ad hoc networks
Context modeling
Wireless networks
Peer to peer computing

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