P5: A Protocol for Scalable Anonymous Communication. Sherwood, R., Bhattacharjee, B., & Srinivasan, A. Journal of Computer Security, Volume 13 ,:839 - 876, IOS Press Amsterdam, The Netherlands, December 2005, 2002.
P5: A Protocol for Scalable Anonymous Communication [pdf]Paper  abstract   bibtex   
We present a protocol for anonymous communication over the Internet. Our protocol, called P (Peer-to-Peer Personal Privacy Protocol) provides sender-, receiver-, and sender-receiver anonymity. P is designed to be implemented over the current Internet protocols, and does not require any special infrastructure support. A novel feature of P is that it allows individual participants to trade-off degree of anonymity for communication efficiency, and hence can be used to scalably implement large anonymous groups. We present a description of P , an analysis of its anonymity and communication efficiency, and evaluate its performance using detailed packet-level simulations.

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