Fault-tolerant dynamic routing based on maximum flow evaluation

  • Authors:
  • Jonatan Schroeder;Elias Procópio Duarte

  • Affiliations:
  • Federal University of Paraná, Dept. of Informatics, Curitiba, Brazil;Federal University of Paraná, Dept. of Informatics, Curitiba, Brazil

  • Venue:
  • LADC'07 Proceedings of the Third Latin-American conference on Dependable Computing
  • Year:
  • 2007

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Abstract

This work proposes a fault-tolerant dynamic routing algorithm that employs maximum flow evaluation for route selection, increasing the number of disjoint paths to the destination, enhancing the path redundancy, and so extending the possibility of using detours, or alternative paths if needed. Route distance is employed as a secondary criterion. Routes may be dynamically changed by intermediate routers, which usually have more recent information about topology changes. Formal proofs for correctness of the algorithm are also presented. The proposed algorithm was implemented in a simulation environment and experimental results are presented.