Decision-making techniques for software architecture design: A comparative survey

  • Authors:

  • Davide Falessi;Giovanni Cantone;Rick Kazman;Philippe Kruchten

  • Affiliations:

  • University of Rome, “Tor Vergata”, Rome, Italy;University of Rome, “Tor Vergata”, Rome, Italy;Carnegie Mellon University and University of Hawaii, Honolulu, HI;University of British Columbia, Canada

  • Venue:
  • ACM Computing Surveys (CSUR)
  • Year:
  • 2011

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Abstract

The architecture of a software-intensive system can be defined as the set of relevant design decisions that affect the qualities of the overall system functionality; therefore, architectural decisions are eventually crucial to the success of a software project. The software engineering literature describes several techniques to choose among architectural alternatives, but it gives no clear guidance on which technique is more suitable than another, and in which circumstances. As such, there is no systematic way for software engineers to choose among decision-making techniques for resolving tradeoffs in architecture design. In this article, we provide a comparison of existing decision-making techniques, aimed to guide architects in their selection. The results show that there is no “best” decision-making technique; however, some techniques are more susceptible to specific difficulties. Hence architects should choose a decision-making technique based on the difficulties that they wish to avoid. This article represents a first attempt to reason on meta-decision-making, that is, the issue of deciding how to decide.