Global – October 30, 2026 -- Industrial architecture teams choosing between Sparkplug B and plain MQTT are really comparing the cost of maintaining a custom application contract with the cost of adopting and operating a shared one. Sparkplug B defines industrial conventions on top of MQTT. It does not replace MQTT or turn a broker into a historian.

Global – October 28, 2026 -- An MQTT connection can recover while the historian still has a permanent data gap, because reconnection says nothing about where each measurement was durably held during the outage. Store and forward lowers that risk by retaining data near the failure point and replaying it after recovery, but it cannot restore a measurement that was never collected or never persisted at any boundary.

Global – October 28, 2026 -- Secure MQTT telemetry collection across IT/OT boundaries depends on the architecture around the broker, clients, identity and operations, not on choosing an encrypted port, according to TDengine guidance on industrial data ingestion.

Global – October 27, 2026 -- An MQTT message is only a topic plus a payload, so a usable historian record needs four additions: stable equipment identity, typed measurements, a trustworthy timestamp and a schema that survives device and site growth. Engineers should settle these before configuring ingestion into TDengine TSDB Enterprise. Skipping that step can produce technically successful writes that create tables that are hard to query, compare or maintain.

Global – October 27, 2026 -- Industrial data architects should choose OPC UA when a collector must discover and read a structured source, and MQTT when producers publish through a broker to one or more consumers, according to a TDengine technical comparison. The guide adds that the two names do not describe equivalent layers, so the rule is only a starting point.

Global – October 27, 2026 -- A pump pressure trend shows when a value left its normal range but cannot show which alarm changed state, what severity the server reported, or when an operator acknowledged it. Those answers sit in separate OPC UA records, and historian designs must decide which questions each record has to answer.