Distributed Graph Traversals by Relabelling Systems with Applications

  • Authors:
  • Bilel Derbel;Mohamed Mosbah

  • Affiliations:
  • LaBRI, University of Bordeaux 1, 351, cours de la libration, 33405 Bordeaux, France;LaBRI, University of Bordeaux 1, 351, cours de la libration, 33405 Bordeaux, France

  • Venue:
  • Electronic Notes in Theoretical Computer Science (ENTCS)
  • Year:
  • 2006

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Abstract

Graph traversals are in the basis of many distributed algorithms. In this paper, we use graph relabelling systems to encode two basic graph traversals which are the broadcast and the convergecast. This encoding allows us to derive formal, modular and simple encoding for many distributed graph algorithms. We illustrate this method by investigating the distributed computation of a breadth-first spanning tree and the distributed computation of a minimum spanning tree. Our formalism allows to focus on the correctness of a distributed algorithm rather than on the implementation and the communication details.