Network Applications of Graph Bisimulation

  • Authors:
  • Pietro Cenciarelli;Daniele Gorla;Emilio Tuosto

  • Affiliations:
  • Dip. di Informatica, "Sapienza" Università di Roma, Italy;Dip. di Informatica, "Sapienza" Università di Roma, Italy;Dept. Computer Science, Univerity of Leicester, UK

  • Venue:
  • ICGT '08 Proceedings of the 4th international conference on Graph Transformations
  • Year:
  • 2008

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Abstract

Synchronising Graphsis a system of parallel graph transformation designed for modeling process interaction in a network environment. We propose a theory of context-freesynchronising graphs and a novel notion of bisimulation equivalence which is shown to be a congruence with respect to graph composition and node restriction. We use this notion of equivalence to study some sample network applications, and show that our bisimulation equivalence captures notions like functional equivalence of logical switches, equivalence of channel implementations and level of fault tolerance of a network.