Principal Features of the VOLTAN Family of Reliable Node Architectures for Distributed Systems

  • Authors:
  • Santosh K. Shrivastava;Paul D. Ezhilchelvan;Neil A. Speirs;Sha Tao;Alan Tully

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • IEEE Transactions on Computers - Special issue on fault-tolerant computing
  • Year:
  • 1992

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Abstract

A VOLTAN node is composed of a number of conventional processors on which application-level processes are replicated to achieve fault-tolerance. The architecture of a family of such nodes with differing functionalities is presented. These include failure-masking, fail-signal, and fail-silent nodes. The software architectures of a three-processor failure-masking and a two-processor fail-silent node are discussed in detail. The suitability of VOLTAN nodes as building blocks of reliable distributed systems is also discussed.