About This Architecture

Steel mill dual-plane industrial network integrating OT field devices across ironmaking, steelmaking, rolling, and warehouse zones with 5G, PON, and MEC edge computing. Data flows from distributed IoT sensors and PLCs through industrial PON OLTs and 5G gNodeBs to zone-level MEC nodes, then to the factory core data center via 10GE IP-RAN ring backhaul with Type B/C dual-fiber protection. This architecture delivers sub-8ms E2E latency for real-time control (converter flue gas vision, crane anti-sway, mill vibration detection) while maintaining OT/IT security isolation via industrial firewall, unidirectional data diode, and bastion host. Steel mill operators gain deterministic connectivity, edge AI inference, and seamless handover across production zones—critical for safety and throughput. Fork this diagram on Diagrams.so to customize zone topologies, add your own ONU device types, or adapt the dual-OLT protection scheme for your facility. The design demonstrates industrial-grade redundancy: dual-homed core switch, primary/standby UPF failover, and LACP-bonded OLT uplinks ensure zero-downtime production.

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How do steel mills design industrial networks that combine 5G, PON, and edge computing while maintaining OT/IT security and sub-8ms latency for real-time crane and converter control?

This diagram shows a dual-plane architecture where each production zone (ironmaking, steelmaking, rolling, warehouse) has distributed ONU devices connected via industrial PON OLTs and 5G gNodeBs to zone-level MEC nodes. Data flows through a 10GE IP-RAN ring backhaul with Type B/C dual-fiber protection to the factory core, where an industrial firewall and unidirectional data diode isolate OT from I