P5: A Protocol for Scalable Anonymous Communication

  • Authors:
  • Rob Sherwood;Bobby Bhattacharjee;Aravind Srinivasan

  • Affiliations:
  • -;-;-

  • Venue:
  • SP '02 Proceedings of the 2002 IEEE Symposium on Security and Privacy
  • Year:
  • 2002

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Abstract

We present a protocol for anonymous communication over the Internet.Our protocol, called P 5 (Peer-to-Peer Personal Privacy Protocol)provides sender-, receiver-, and sender-receiver anonymity.P5 isdesigned to be implemented over the current Internet protocols, anddoes not require any special infrastructure support.A novel featureof P5 is that it allows individual participants to trade-off degree ofanonymity for communication efficiency, and hence can be used toscalably implement large anonymous groups.We present a descriptionof P5, an analysis of its anonymity and communication efficiency, andevaluate its performance using detailed packet-level simulations.