The south zone: distributed algorithms for alliances

  • Authors:
  • M. C. Dourado;L. D. Penso;D. Rautenbach;J. L. Szwarcfiter

  • Affiliations:
  • Instituto de Matemática, NCE, and COPPE, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil;Institut für Optimierung und Operations Research, Fakultät für Mathematik und Wirtschaftswissenschaften, Universität Ulm, Ulm, Germany;Institut für Optimierung und Operations Research, Fakultät für Mathematik und Wirtschaftswissenschaften, Universität Ulm, Ulm, Germany;Instituto de Matemática, NCE, and COPPE, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil

  • Venue:
  • SSS'11 Proceedings of the 13th international conference on Stabilization, safety, and security of distributed systems
  • Year:
  • 2011

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Abstract

We present novel results on and efficient deterministic as well as randomized synchronous message-passing distributed algorithms for generalized graph alliances, a new concept incorporating and expanding previous ones. An alliance is here a group of nodes of a connected network or a population fulfilling certain thresholds for their neighbourhood. More precisely, every node outside and inside the alliance must have a minimum number of neighbours inside the alliance. A threshold function defining this number may be specific to each node. We are interested in finding minimal alliances of generalized type: the threshold function might be any. We also investigate conditions in which it is possible to have anonymity, a praised property in population protocols.