Computer Science – Networking and Internet Architecture
Scientific paper
2010-09-12
Computer Science
Networking and Internet Architecture
IEEE Infocom (2011)
Scientific paper
10.1109/INFCOM.2011.5934931
The paper has two objectives. The first is to study rigorously the transient behavior of some P2P networks whenever information is replicated and disseminated according to epidemic-like dynamics. The second is to use the insight gained from the previous analysis in order to predict how efficient are measures taken against peer-to-peer (P2P) networks. We first introduce a stochastic model which extends a classical epidemic model and characterize the P2P swarm behavior in presence of free riding peers. We then study a second model in which a peer initiates a contact with another peer chosen randomly. In both cases the network is shown to exhibit a phase transition: a small change in the parameters causes a large change in the behavior of the network. We show, in particular, how the phase transition affects measures that content provider networks may take against P2P networks that distribute non-authorized music or books, and what is the efficiency of counter-measures.
Altman Eitan
Nain Philippe
Shwartz Adam
Xu Yuedong
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