Truth in advertising: lightweight verification of route integrity

  • Authors:
  • Edmund L. Wong;Praveen Balasubramanian;Lorenzo Alvisi;Mohamed G. Gouda;Vitaly Shmatikov

  • Affiliations:
  • The University of Texas at Austin;The University of Texas at Austin;The University of Texas at Austin;The University of Texas at Austin;The University of Texas at Austin

  • Venue:
  • Proceedings of the twenty-sixth annual ACM symposium on Principles of distributed computing
  • Year:
  • 2007

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Abstract

We design and evaluate a lightweight route verification mechanism that enables a router to discover route failures and inconsistencies between advertised Internet routes and actual paths taken by the data packets. Our mechanism is accurate, incrementally deployable, and secure against malicious intermediary routers. By carefully avoiding any cryptographic operations in the data path, our prototype implementation achieves the overhead of less than 1% on a 1 Gbps link, demonstrating that our method is suitable even for high-performance networks.