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The Architecture Review Process is how you put the GCP Architecture Framework into practice. It is a structured, repeatable evaluation of your workload against the framework's pillars to identify strengths, weaknesses, and improvement opportunities. Regular architecture reviews transform the framework from a reference document into a living practice that continuously improves your cloud workloads.
Without regular reviews, architectures drift over time. New features are added without considering the broader impact, quick fixes become permanent, and the gap between the current architecture and best practices widens:
| Drift Type | Example |
|---|---|
| Security drift | IAM permissions granted for debugging are never revoked |
| Cost drift | VMs are upsized during a load spike and never right-sized back |
| Reliability drift | A single-zone database was "temporary" and has been running for two years |
| Performance drift | A caching layer was removed to fix a bug and never re-implemented |
| Operational drift | Monitoring dashboards no longer reflect the current architecture |
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