Compact Routing Tables for Graphs of Bounded Genus

  • Authors:
  • Cyril Gavoille;Nicolas Hanusse

  • Affiliations:
  • -;-

  • Venue:
  • ICAL '99 Proceedings of the 26th International Colloquium on Automata, Languages and Programming
  • Year:
  • 1999

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Abstract

For planar graphs on n nodes we show how to construct in linear time shortest path routing tables that require 8n + o(n) bits per node, and O(log2+Ɛ n) bit-operations per node to extract the route, with constant Ɛ 0. We generalize the result for every graph of bounded crossing-edge number. We also extend our result to any graph of genus bounded by γ, by building shortest path routing tables of n log (γ + 1)+ O(n) bits per node, and with O(log2+Ɛ n) bit-operations per node to extract the route. This result is obtained by the use of dominating sets, compact coding of non-crossing partitions, and k-page representation of graphs.