Dynamic voting

  • Authors:
  • Sushil Jajodia;David Mutchler

  • Affiliations:
  • Naval Research Laboratory, Washington, DC;Naval Research Laboratory, Washington, DC

  • Venue:
  • SIGMOD '87 Proceedings of the 1987 ACM SIGMOD international conference on Management of data
  • Year:
  • 1987

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Abstract

In a voting-based algorithm, a replicated file can be updated in a partition if it contains a majority of copies. In this paper, we propose an extension of this scheme which permits a file to be updated in a partition provided it contains a majority of up-to-date copies. Our scheme not only preserves mutual consistency of the replicated file, but provides improvement in its availability as well. We develop a stochastic model which gives insight into the improvements afforded by our scheme over the voting scheme.