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Commit e4982018 authored by Ingo Friese's avatar Ingo Friese Committed by Miguel Angel Reina Ortega
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1 merge request!5SDS-2023-0219R01-initial_OGC_intro
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...@@ -159,7 +159,7 @@ The SensorThings API (STA) is a standard of the Open Geospatial Consortium (OGC) ...@@ -159,7 +159,7 @@ The SensorThings API (STA) is a standard of the Open Geospatial Consortium (OGC)
A STA-based architecture works in client/server mode. A sensor device pushes data to the SensorThings Server via HTTP. A SensorThings Server may also support MQTT protocol to support publish and subscribe capabilities. An interested application can subscribe to the MQTT-Broker, in order to get notified about new sensor events. A STA-based architecture works in client/server mode. A sensor device pushes data to the SensorThings Server via HTTP. A SensorThings Server may also support MQTT protocol to support publish and subscribe capabilities. An interested application can subscribe to the MQTT-Broker, in order to get notified about new sensor events.
<figure> <figure>
<img src="media/sta_flow.png" alt="STA_message_flow"> <img src="media/STA_flow.png" alt="STA_message_flow">
<figcaption>Figure 5-1 STA message flow</figcaption> <figcaption>Figure 5-1 STA message flow</figcaption>
</figure> </figure>
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media/STA_flow.png

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