New Bounds for Oblivious Mesh Routing

  • Authors:
  • Kazuo Iwama;Yahiko Kambayashi;Eiji Miyano

  • Affiliations:
  • -;-;-

  • Venue:
  • ESA '98 Proceedings of the 6th Annual European Symposium on Algorithms
  • Year:
  • 1998

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Abstract

We give two, new upper bounds for oblivious permutation routing on the mesh network. One is an O(N0:75) algorithm for the twodimensional mesh with constant queue-size. This is the first algorithm which improves substantially the trivial O(N) bound. The other is an 1:16√N + o(√N) algorithm on the three-dimensional mesh with unlimited queue-size. This algorithm allows at most three bends in the path of each packet. If the number of bends is restricted to minimal, i.e., at most two, then the bound jumps to Ω(N2=3) as was shown in ESA'97.