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SE Radio 236: Rebecca Parsons on Evolutionary Architecture

SE Radio 236: Rebecca Parsons on Evolutionary Architecture

Software Engineering Radio - The Podcast for Professional Software Developers vor 11 Jahren

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55:00

Johannes Thönes talks to Rebecca Parsons,
Chief Technology Officer at ThoughtWorks, about evolutionary
architecture. The practice of evolutionary software architecture
means making decisions as late as possible (last responsible
moment) and setting up cross-functional requirements that the
architecture has to meet (architectural fitness function).

In the beginning, Parsons and Thönes introduce the term
evolutionary architecture and explain the difference to emergent
design. Parsons also explains why big design upfront is a bad
idea and why we still need architecture even in Agile projects.

Parsons then describes five principles of evolutionary
architecture (last responsible moment, architect and develop for
evolvability, Postel's law, architect for testability, and
Conway's law). She goes on to highlight three techniques of
evolutionary architecture (database refactoring, continuous
delivery, and microservices).