Module connection analysis: a tool for scheduling software debugging activities

  • Authors:
  • Frederick M. Haney

  • Affiliations:
  • Xerox Corporation, El Segundo, California

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

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Abstract

The largest challenge facing software engineers today is to find ways to deliver large systems on schedule. Past experience obviously indicates that this is not a well-understood problem. The development costs and schedules for many large systems have exceeded the most conservative, contingency-laden estimates that anyone dared to make. Why has this happened? There must be a plethora of explanations and excuses, but I think H. R. J. Grosch identified the common denominator in his article, "Why MAC, MIS and ABM will never fly." Grosch's observation is essentially that for some large systems the problem to be solved and the system designed to solve it are in such constant flux that stability is never achieved. Even for some systems that are flying today, it is obvious that they came precariously close to this unstable, "critical mass" state.