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-`v0.4` includes a new metrics infrastructure based on OpenZiti usage, which provides `zrok` with telemetry used to power end-user intelligence about shares, and also to power usage-based limits.
-
-# Configuration
-
-This requires a version of OpenZiti with a `fabric` dependency of `v0.22.52` or newer.
-
-## controller configuration:
-
-```
-network:
-  intervalAgeThreshold: 5s 
-  metricsReportInterval: 5s
-
-events:
-  jsonLogger:
-    subscriptions:
-      - type: fabric.usage
-        version: 3
-    handler:
-      type: file
-      format: json
-      path: /tmp/fabric-usage.log
-```
-
-## router configuration:
-
-```
-metrics:
-  reportInterval: 5s
-  intervalAgeThreshold: 5s
-```
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