Resilient software mirroring with untrusted third parties

  • Authors:
  • Håvard Johansen;Dag Johansen

  • Affiliations:
  • University of Tromsø, Norway;University of Tromsø, Norway

  • Venue:
  • Proceedings of the 1st International Workshop on Hot Topics in Software Upgrades
  • Year:
  • 2008

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Abstract

Open-source communities depend on donated third-party servers, known as mirrors, to distribute their software to millions of end-users. However, existing mirror infrastructures lack the mechanisms to deal with the wide-range of faults that can occur. In this paper we describe our ongoing work to construct a mirror infrastructure that is highly resilient to failures. In particular, our infrastructure is constructed to tolerate Byzantine failures so that a potential attacker cannot deny user service even if he is in control of one or more mirrors.