CloudHacker Noonabout 5 hours ago
Inside DNP3's Event-Driven Telemetry Model
6 min read
DNP3 replaces cyclic polling with event-driven, buffered telemetry for wide-area networks. It separates data into Static and Event classes, uses Unsolicited Responses for instant alarms, and includes Internal Indications flags for system diagnostics. This design maintains state integrity over unreliable links.
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