Epidemic Collaborative Geocast for Reliable Segmented File Sharing in Mobile Peer-to-Peer Devices

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The dual problem of searching resources in the network and that of disseminating with reliability resources selectively in an infrastructureless wireless network is yet unexplored. This paper proposes an approach based on the advantages of epidemic selective dissemination through mobile Infostations. The proposed scheme combines the strengths of both proactive multicast group establishment (flexible Geocasting) and hybrid Infostation concept and attempts to fill the gap between mobility and reliable file sharing for mobile peer to peer users. This method faces the flooding problem and enables end to end reliability by forwarding requested packets to epidemically ‘selected’ mobile users in the network. Examination through simulation is performed for the response and reliability offered by epidemic collaborative Geocast method showing a significant robustness in reliable file sharing among mobile peers.