The choice of new software development methodologies for software development projects

  • Authors:
  • Edward Yourdon

  • Affiliations:
  • YOURDON Incorporated, New York, New York

  • Venue:
  • AFIPS '77 Proceedings of the June 13-16, 1977, national computer conference
  • Year:
  • 1977

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Abstract

Data processing managers have a number of new "structured" methodologies to assist them in EDP software projects: structured programming, structured design, HIPO, top-down development, structured analysis, structured walkthroughs, and chief programmer teams. Since many of these methodologies are still considered new and "experimental", it is often difficult for the manager to determine which of the methodologies should be used on a software project. This paper briefly reviews each of the new structured methodologies. It then makes suggestions about the use of the methodologies for new projects, concluding that the use of informal walkthroughs is probably the best way for the manager to introduce the methodologies into an organization that has no previous experience with them. The point is also made that "research-and-development" projects have different trade-offs than "bread-and-butter" projects. For projects that have hard deadlines and budgets, a number of trade-offs are suggested in order to help the manager decide which of the structured methodologies should be employed.