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Title: Bandwidth Allocation in Peer-to-Peer File Sharing Networks
Authors: Creus Mir, Albert - Universitat Politecnica de Catalunya
Casadesus-Masanell, Ramon - Harvard Business School
Hervas-Drane, Andres - Universitat Autonoma de Barcelona
Keywords: Peer-to-Peer, Network formation, Resource allocation, Congestion
Issue Date: 2006
Series/Report no.: NET Institute Working Paper;06-23
Abstract: We present a model of bandwidth allocation in a stylized peer-to-peer file sharing network. Given an arbitrary population of peers composed of sharers and freeriders, where all peers interconnect to maximize their allocated bandwidth, we derive the expected band- width obtained by sharers and freeriders. We show that sharers are always better off than freeriders and that the difference decreases as the size of the network grows. This paper constitutes a first step towards providing a general analytical foundation for resource allocation in peer-to-peer networks.
Appears in Collections:NET Institute Working Papers Series

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