A framework for hardware-software tradeoffs in the design of fault-tolerant computers

  • Authors:
  • K. M. Chandy;C. V. Ramamoorthy;A. Cowan

  • Affiliations:
  • The University of Texas at Austin, Austin, Texas;The University of Texas at Austin, Austin, Texas;The University of Texas at Austin, Austin, Texas

  • Venue:
  • AFIPS '72 (Fall, part I) Proceedings of the December 5-7, 1972, fall joint computer conference, part I
  • Year:
  • 1972

Quantified Score

Hi-index 0.01

Visualization

Abstract

The theory of fault-tolerant computer design has developed rapidly. Several techniques using hardware or software have been suggested. A student is often faced with the problem of developing a common perspective for a variety of methods. In this paper we attempt to develop a simple framework within which different methods can be compared. We use a set of very elementary indices to construct the framework. The indices are quite crude and our framework is somewhat ad hoc. Though a unified theory would be extremely useful we have not attempted to develop one here. Our discussion is a first pass at identifying some goals of reliable design and an attempt at quantifying some parameters. We discuss only a very small set of the techniques that have been proposed for fault-tolerant computers. Methods for constructing relevant indices for these techniques are presented. We feel that these indices are relevant for most reliability techniques.