OT / Industrial · Architecture Pattern
Purdue Model Modernization Pattern
A practical use of Purdue reasoning for modern brownfield environments that adds identity, cloud, edge, wireless and vendor access without pretending the model is a complete security architecture.
SECUREPLANE REFERENCE MODELPurdue Model Modernization Pattern
Zones by function and consequence
01L0–1process · control
02L2supervisory
03L3site operations
04L3.5industrial DMZ
05L4–5enterprise · cloud
Conduits by validated communication need
How should functional levels, zones and conduits evolve when industrial systems connect to modern platforms?
Representative outputs
Artifacts that make the decision usable
No diagram is a deployable design until it is adapted to the environment, evidence, owners, and operating constraints.
Purdue current-state modelTarget zone-and-conduit architectureDependency matrixTransition statesValidation plan