OPC UA Pub/Sub architecture compared — UDP UADP for deterministic LAN delivery vs MQTT for cloud-friendly fan-out. Mappings, message security, and when each wins.
ISA-100.11a vs WirelessHART head-to-head — TSCH MAC, 802.15.4 PHY, security architecture, gateway models, and how to choose for process automation networks.
Thread vs Matter — network layer vs application layer. Mesh routing, OpenThread border router, Matter clusters, IPv6, and the 2026 smart-home interop story explained.
HART protocol architecture — how digital data rides on 4-20 mA analog loops, HART-IP gateways, WirelessHART mesh, and the role of HART 7 in modern Industry 4.0 stacks.
PROFINET RT vs IRT vs TSN — deterministic industrial Ethernet architecture, sub-microsecond cycle times, topology rules, and how TSN is reshaping PROFINET beyond 2026.