Big-Upfront Frozen Architecture
Kind: anti-pattern
Layer: Enforcement Core
Record: architecture:big-upfront-frozen-architecture
Severity: discouraged
Scope: domain_boundary
Formed by: Lock in major architectural decisions before validating domain forces, quality attributes, operational realities, and change vectors.
Canonical: Ontology
A defect in which major architectural decisions are fixed before the forces they answer are known.
Listed in Architecture principles, after Irreversible Migration and before Architecture Astronaut.