Replicated architectures for shared window systems: a critique

  • Authors:
  • J. C. Lauwers;T. A. Joseph;K. A. Lantz;A. L. Romanow

  • Affiliations:
  • Olivetti Research California, 2882 Sand Hill Road, Menlo Park, CA;Olivetti Research California, 2882 Sand Hill Road, Menlo Park, CA;Olivetti Research California, 2882 Sand Hill Road, Menlo Park, CA;Olivetti Research California, 2882 Sand Hill Road, Menlo Park, CA

  • Venue:
  • COCS '90 Proceedings of the ACM SIGOIS and IEEE CS TC-OA conference on Office information systems
  • Year:
  • 1990

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Abstract

Replicating applications in a shared window environment can significantly improve the performance of the resulting system. Compared to a completely centralized approach, a replicated architecture offers superior response time and reduces network load. To date, however, these advantages have been overshadowed by the equally significant synchronization problems associated with replication. In this paper we document these problems and show that the most frequent synchronization problems can be solved without changing existing software. We further indicate how some of the limitations of the resulting system can be removed by making applications or system servers collaboration-aware. Finally, we point out where general system support is needed to address the remaining deficiencies.