Guiding Architectural Decision Making on Quality Aspects in Microservice APIs

Guiding Architectural Decision Making on Quality Aspects in Microservice APIs

Abstract

Microservice APIs represent the client perspective on microservice-based software architecture design and related practices. Major issues in API de-sign concern the quality aspects of the API. However, it is not well understoodtoday what the established practices related to those quality aspects are, how thesepractices are related, and what the major decision drivers are. This leads to greatuncertainty in the design process. In this paper, we report on a qualitative, in-depth study of 31 widely used APIs plus 24 API specifications, standards, andtechnologies. In our study we identified six recurring architectural design deci-sions in two API design contexts with a total of 40 decision options and a total of47 decision drivers. We modelled our findings in a formal, reusable architecturaldecision model. We measured the uncertainty in the resulting design space withand without use of our model, and found that a substantial uncertainty reductioncan be potentially achieved by applying our model.

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Authors
  • Zdun, Uwe
  • Stocker, Mirko
  • Zimmermann, Olaf
  • Pautasso, Cesare
  • Lübke, Daniel
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Shortfacts
Category
Paper in Conference Proceedings or in Workshop Proceedings (Paper)
Event Title
16th International Conference on Service-Oriented Computing ICSOC 2018
Divisions
Software Architecture
Subjects
Software Engineering
Event Location
Hangzhou Zhejiang, China
Event Type
Conference
Event Dates
12-15 Nov 2018
Page Range
pp. 78-89
Date
November 2018
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