Weighted Distributed Systems and Their Logics

  • Authors:
  • Benedikt Bollig;Ingmar Meinecke

  • Affiliations:
  • LSV, CNRS UMR 8643 & ENS de Cachan, 61 Av. du Prééésident Wilson, F-94235 Cachan Cedex, France;Institut für Informatik, Universität Leipzig, Johannisgasse 26, D-04103 Leipzig, Germany

  • Venue:
  • LFCS '07 Proceedings of the international symposium on Logical Foundations of Computer Science
  • Year:
  • 2007

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Abstract

We provide a model of weighted distributed systems and give a logical characterization thereof. Distributed systems are represented as weighted asynchronous cellular automata. Running over directed acyclic graphs, Mazurkiewicz traces, or (lossy) message sequence charts, they allow for modeling several communication paradigms in a unifying framework, among them probabilistic shared-variable and probabilistic lossy-channel systems. We show that any such system can be described by a weighted existential MSO formula and, vice versa, any formula gives rise to a weighted asynchronous cellular automaton.