Trust and Partial Typing in Open Systems of Mobile Agents

  • Authors:
  • James Riely;Matthew Hennessy

  • Affiliations:
  • DePaul, CTI. e-mail: jriely@cs.depaul.edu;University of Sussex. e-mail: matthewh@cogs.sussex.ac.uk

  • Venue:
  • Journal of Automated Reasoning
  • Year:
  • 2004

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Abstract

We present a partially typed semantics for Dπ, a distributed π-calculus. The semantics is designed for mobile agents in open distributed systems in which some sites may harbor malicious intentions. Nonetheless, the semantics guarantees traditional type-safety properties at good locations by using a mixture of static and dynamic type-checking. We show how the semantics can be extended to allow trust between sites, improving performance and expressiveness without compromising type safety.