ISSN : 1796-2056
Volume : 4    Issue : 2    Date : April 2009

Hybrid Peer-to-Peer Content Sharing in Mobile Networks
Péter Ekler, Imre Kelényi, István Dévai, Balázs Bakos, and Attila Kiss
Page(s): 119-132
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As the capabilities of mobile phones are increasing and they are able to consume different type of
multimedia contents, it is important to provide an efficient content sharing solution for them. Since
people usually store their content on their personal computer, we need architecture for content
sharing which supports mobiles and personal computers as well. In this paper we propose an
innovative content sharing solution, called Swarm, which offers the following benefits to service
providers: cost efficient, mobility support, necessary control points to prevent misuse of the service
and backend for the stored information. Swarm is a hybrid solution, it combines the advantages of
peer-to-peer and client-server systems and it also considers the special abilities of mobile phones
by enabling local cooperation. During the paper we introduce the proposed architecture with the
main features, discuss our experience with the reference implementation, demonstrate calculations
about the cost efficiency of Swarm and propose future plans for further improvements. Index Terms

Index Terms
BitTorrent, Mobile phones, Local cooperation, Efficient content sharing, Hybrid solution