A Preliminary Investigation of Precision vs

نویسندگان

  • D. Bakken
  • Rupa Parameswaran
  • Douglas M. Blough
  • David Bakken
چکیده

Replication and voting have been used extensively for providing fault tolerance in many types of systems. In this abstract, we briefly investigate their capability to improve accuracy, or precision, of results. We also discuss trade-offs between precision and fault tolerance degree that can be achieved through adjustment of replication degree and/or voting algorithm. These capabilities are illustrated through a simple simulation model for the results of replicas in a system. This being only a preliminary study, we study only the fault-tolerant mid-point voting algorithm and its variants. We also consider only the Normal distribution for generation of the results from correct replicas.

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تاریخ انتشار 2001