// Notes

Notes.

Field notes on industrial digital architecture: MES, SCADA, MQTT, historians, and the unglamorous work of getting factory data to actually flow. Written from the plant floor, not the brochure.

• MES vs SCADA vs historian: what actually goes where

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  2026-07-23 · 4 min read

  They're not competitors and they're not interchangeable. They're three layers of a factory's data stack, each answering a different question, and most stalled data projects got the layering wrong.

  MESSCADAHistorianArchitecture