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Combate a Poluição em Sistemas P2P de Mídia Contínua ao Vivo

Alex BorgesJussara AlmeidaSérgio Campos

Peer-to-peer (P2P) live streaming media systems are becoming more popular each day. As in file sharing P2P system, they are susceptible to content pollution attack. In this attack, a peer alters the media content decreasing the perceived quality of the streaming. In this paper we evaluate the impact of content pollution attack in P2P live streaming and we present two reputation system to stop polluted content dissemination and isolate malicious peers. Our results show that a few number of polluters is capable to compromise all the application and, the two proposed reputation system can rapidly identify and isolate polluters and also be resistent to peers collusion.

http://www.lbd.dcc.ufmg.br:8080/colecoes/sbrc/2008/042.pdf

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