Towards application-aware anonymous routing

  • Authors:
  • Micah Sherr;Boon Thau Loo;Matt Blaze

  • Affiliations:
  • University of Pennsylvania;University of Pennsylvania;University of Pennsylvania

  • Venue:
  • HOTSEC'07 Proceedings of the 2nd USENIX workshop on Hot topics in security
  • Year:
  • 2007

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Abstract

This paper investigates the problem of designing anonymity networks that meet application-specific performance and security constraints. We argue that existing anonymity networks take a narrow view of performance by considering only the strength of the offered anonymity. However, real-world applications impose a myriad of communication requirements, including end-to-end bandwidth and latency, trustworthiness of intermediary routers, and network jitter. We pose a grand challenge for anonymity: the development of a network architecture that enables applications to customize routes that tradeoff between anonymity and performance. Towards this challenge, we present the Application-Aware Anonymity (A3) routing service. We envision that A3 will serve as a powerful and flexible anonymous communications layer that will spur the future development of anonymity services.