Software Architecture Evaluation: Concepts, Workflow, Methods, and Risks

Software architecture is the blueprint of a system, defining components, their visible properties, and relationships; it is crucial for project success and must be carefully selected and designed. Architecture evaluation, akin to code testing, can be performed at various stages—from initial planning to post‑implementation—to verify that the architecture meets quality and business goals.

The evaluation workflow includes determining the direction (quality vs. schedule focus), clarifying behavioral and quality requirements, selecting evaluation criteria (e.g., performance, resource usage, maintainability, scalability, development efficiency, stability, variability, reusability), and involving stakeholders to set scoring standards and weighting.

Common evaluation methods are presented: ATAM (Architecture Trade‑off Analysis Method) which uses scenario‑based analysis to assess quality attributes; ARID (Active Reviews for Intermediate Designs) that combines ADR, ATAM, and SAAM for early‑stage design reviews; and ADR (Active Design Reviews) which relies on stakeholder review of component interface specifications.

A selection matrix helps choose the appropriate method based on project stage and goals. The article also lists typical risks such as involving the wrong participants, allowing designers to dominate the review, insufficient risk estimation, overlooking problematic elements, late‑stage evaluations, time constraints, misinterpretation of results, and lack of data support.