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Fabrizio Cornelli

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Fabrizio Cornelli

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Publications by Fabrizio Cornelli (bibliography)

» 2002 «

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Cornelli, Fabrizio, Damiani, Ernesto, Vimercati, Sabrina De Capitani di, Paraboschi, Stefano and Samarati, Pierangela (2002): Choosing reputable servents in a P2P network. In: Proceedings of the 2002 International Conference on the World Wide Web 2002. pp. 376-386. Available online

“Peer-to-peer information sharing environments are increasingly gaining acceptance on the Internet as they provide an infrastructure in which the desired information can be located and downloaded while preserving the anonymity of both requestors and providers. As recent experience with P2P environments such as Gnutella shows, anonymity opens the door to possible misuses and abuses by resource providers exploiting the network as a way to spread tampered with resources, including malicious programs, such as Trojan Horses and viruses. In this paper we propose an approach to P2P security where servents can keep track, and share with others, information about the reputation of their peers. Reputation sharing is based on a distributed polling algorithm by which resource requestors can assess the reliability of perspective providers before initiating the download. The approach nicely complements the existing P2P protocols and has a limited impact on current implementations. Furthermore, it keeps the current level of anonymity of requestors and providers, as well as that of the parties sharing their view on others' reputations.”

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