# How do they work? ![](/files/-MDXjJXTu4be5z46kn6b) * Mosquitto acts as MQTT broker accepting data coming from sensors * Telegraf subscribes to the MQTT topic, where sensors publish data and store this information into InfluxDB. * Grafana read data from InfluxDB and visualize data with dashboards. * Telegraf is a database agent that collects data from sensors and systems to InfluxDB. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.aic-eec.com/general/hot-cloud/overview/how-they-work.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.