Article: Enabling Evolutionary Architecture Through the Preservation of Change Locality
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Evolutionary architecture and change locality is directly relevant and deeply technical.
Evolutionary architecture requires preserving change locality, tested by whether a team can make a localized business change without global context—as illustrated by an e-commerce checkout team unable to safely change delivery addresses due to boundary drift into warehouse cutoff times, fraud rules, and delivery partner instructions. Boundary drift and disproportionate cognitive load signal that decisions or constraints belong elsewhere; architects restore locality by redistributing repeated mechanics, exposing essential policy, and rehearsing real exception paths.