05 — Glossary · Practice & Governance

Architecture Principle

GL-620 · also Design Principle

A durable rule that guides architecture choices, stated with its rationale and implications, such as preferring shared services to duplicates, so many decisions stay consistent without case-by-case debate.

A principle nobody would argue against, such as "systems should be secure", does not guide any choice. Good principles have a cost and rule something out.

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