Model Drift Monitoring

Kind: activity

Layer: Correctness Core

Record: architecture:model-drift-monitoring

Severity: contextual

Scope: model-backed system, model lifecycle, operations

Canonical: Ontology

The activity of tracking a deployed model's inputs and output quality over time and alerting when they move past a threshold.

Listed in Architecture principles, after Prompt Engineering and before Agentic Architecture.

Requires

• Model Evaluation

Reinforces

• Observability
• Model Governance

Enables

• Degradation Detection
• Retraining Triggers

Conflicts with

• Deploy-and-Forget Models
• Model Drift

In tension with

• Monitoring Cost

Tensions

• Model Drift Monitoring / Monitoring Cost

Violated by

• Deploy-and-Forget Models

Severity

• contextual

Category

• Model Architecture

Linked from

• Systems built around a model
• Model Architecture
• Observability / Auditability / Traceability
• Core Vocabulary
• Model Architecture
• Severity levels
• The resolutions