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Simulative performance evaluation of a mobile peer-to-peer file-sharing system

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5 Author(s)
Hopfeld, T. ; Dept. of Distributed Syst., Wurzburg Univ., Germany ; Tutschku, K. ; Andersen, F.-U. ; de Meer, H.
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Peer-to-peer (P2P) file-sharing has become the killer application in the wired Internet and might also be highly attractive for mobile networks. In particular since UMTS operators are searching for new applications which do both: a) exploit the potential of the UMTS technology and b) motivate the user to adopt the new technology. In this work we are investigating the performance of an eDonkey-based mobile P2P file-sharing system by means of time-dynamic simulation. Mobile networks differ from wireline networks by the limited capacity of the radio link and the mobility of the users. P2P networks, in contrast, are overlays which consider the transport network in an abstract way. In a mobile environment, the question arises, whether the abstraction can be maintained and what will be the performance impact if there is any. We will show in detail how the mobile access technology (GPRS or UMTS), the churn behavior of mobile users, the file size of mobile specific content, and special infrastructure entities, such as a cache peer, influences the performance of the suggested mobile P2P file-sharing service.

Published in:

Next Generation Internet Networks, 2005

Date of Conference:

18-20 April 2005