RPM: Comunicação Anônima em Redes Par a Par

Robson CostaRafael R. ObelheiroJoni da S. Fraga

Anonymity is a growing concern in recent Internet-based systems. Traditional mix- and multicast-based anonymity networks have a number of reliability, confidentiality, and performance issues. The large scale of P2P networks can be leveraged to minimize such issues, but these networks have to deal with node churn (a major factor in P2P systems) and the lower trustworthiness of individual nodes. In this paper we introduce RPM, a protocol for anonymous communication in P2P systems. In addition to anonymity, RPM aims at being resistant to churn and lowering the overhead usually found in anonymity systems. Our results show that RPM is effective in satisfying all these requirements, especially with respect to churn resistance.

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