Structure of Peer-to-Peer Social Networks

Details Structure of Peer-to-Peer Social Networks Structure of Peer-to-Peer Social Networks

2006-03-27

arxiv.org/abs/physics/0603222v1

Physical Review E 73, 036123 (2006)

Physics

Physics and Society

APS Style, 8 pages, 5 figures and 4 tables. Final version

Scientific paper

10.1103/PhysRevE.73.036123

This paper presents a statistical analysis of the structure of Peer-to-Peer (P2P) social networks that captures social associations of distributed peers in resource sharing. Peer social networks appear to be mainly composed of pure resource providers that guarantee high resource availability and reliability of P2P systems. The major peers that both provide and request resources are only a small fraction. The connectivity between peers, including undirected, directed (out and in) and weighted connections, is scale-free and the social networks of all peers and major peers are small world networks. The analysis also confirms that peer social networks show in general disassortative correlations, except that active providers are connected between each other and by active requesters. The study presented in this paper gives a better understanding of peer relationships in resource sharing, which may help a better design of future P2P networks and open the path to the study of transport processes on top of real P2P topologies.

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