💻PowerBI Visual Architecture and Data Security
Astra is a Power BI visual plugin that runs 100% locally in your Power BI environment. It does not transmit, upload, or sync data to any external servers. This design allows Astra to be safely deployed in sensitive or air-gapped environments.
How Astra Works
Runs inside Power BI: Astra executes entirely within Power BI’s built-in sandbox for custom visuals. No separate application or service is involved.
Receives data from Power BI only: It visualizes data passed to it from the Power BI semantic model—nothing else.
In-memory rendering: All data transformations and graph rendering happen in memory and are never written to disk or sent over the network.
Network Communication
Astra makes no network calls. This includes:
API requests (fetch, XHR)
❌ Not used
WebSocket connections
❌ Not used
Telemetry or analytics
❌ Not used
CDN-hosted scripts
❌ Not used (all libraries are bundled)
File or disk storage
❌ Not used
Architecture Diagram
The diagram below illustrates Astra’s local execution model within the Power BI environment.
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