Fault-Tolerant Multicast Routing in the Mesh with No Virtual Channels

  • Authors:
  • Ran Libeskind-Hadas;Kevin Watkins;Thomas Hehre

  • Affiliations:
  • -;-;-

  • Venue:
  • HPCA '96 Proceedings of the 2nd IEEE Symposium on High-Performance Computer Architecture
  • Year:
  • 1996

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Abstract

This paper addresses the problem of fault-tolerant multicast routing in wormhole-routed multicomputers. We present a new pseudo-Hamiltonian path-based routing methodology for constructing deadlock-free multicast routing algorithms requiring no virtual channels. This technique is applied to construct the first fault-tolerant multicast routing algorithm for the mesh that requires no virtual channels. Simulation results indicate that this technique results in minimal performance degradation in the presence of a large number of node and channel faults.