Distributed Approximation of Fixed-Points in Trust Structures

  title={Distributed Approximation of Fixed-Points in Trust Structures},
  author={Karl Krukow and Andrew Twigg},
  journal={25th IEEE International Conference on Distributed Computing Systems (ICDCS'05)},
We consider distributed algorithms for solving a range of problems in a framework for trust in large-scale distributed systems. The framework is based on the notion of trust structures; a set of 'trust-levels' with two distinct partial orderings. In the trust model, a global trust-state is defined as the least fixed-point of a collection of local policies of nodes in the network. We show that it is possible to compute the global trust-state using a simple, robust and totally asynchronous… CONTINUE READING
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On foundations for dynamic trust management

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