The answer
Revisit a decision when its original assumptions change, such as higher traffic, a new integration, or operational difficulties. Record the evidence and impact before changing direction.
What is system architecture?
When should a system architecture decision be revisited?
More FAQs in What is system architecture?
A small project benefits from a short document describing its main components, permissions, and data flow. The document can remain brief while exposing costly misunderstandings early.
Arrows should identify meaningful interactions, such as an authenticated request or a database query. Labeling the data and direction makes the diagram useful during implementation.
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