Suicide for the common good: a new strategy for credential revocation in self-organizing systems

  • Authors:
  • Jolyon Clulow;Tyler Moore

  • Affiliations:
  • University of Cambridge, Cambridge, United Kingdom;University of Cambridge, Cambridge, United Kingdom

  • Venue:
  • ACM SIGOPS Operating Systems Review
  • Year:
  • 2006

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Abstract

We consider the problem of credential revocation in self-organizing systems. In the absence of a common trusted authority, reaching a decision is slow, expensive and prone to manipulation. We propose a radical, new strategy---suicide for the common good---which drastically simplifies the decision-making process and revocation orders. Our mechanism is fully decentralized, incurs low communication and storage overhead, enables fast removal of misbehaving nodes, and is ideally suited to highly mobile networks.