Time-Sensitive Networking architecture — IEEE 802.1Qbv scheduling, 802.1AS time sync, 802.1Qbu preemption, CNC/CUC roles, and a 2026 deployment blueprint for OT factories.
PROFINET RT vs IRT vs TSN — deterministic industrial Ethernet architecture, sub-microsecond cycle times, topology rules, and how TSN is reshaping PROFINET beyond 2026.