Performance of file directory systems for data bases in star and distributed networks

  • Authors:
  • Wesley W. Chu

  • Affiliations:
  • University of California, Los Angeles, California

  • Venue:
  • AFIPS '76 Proceedings of the June 7-10, 1976, national computer conference and exposition
  • Year:
  • 1976

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Abstract

Three classes of file directories for distributed data bases are studied: The centralized directory system, the local directory system, and the distributed directory system. The parameters considered are communication cost, storage cost, code translation cost, query rate, update rate, directory size, and directory response time. This study reports the cost performance tradeoffs of these three classes of directory systems in star and distributed networks and provides a guide in the design of file directory systems when operating in these network environments.