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Copy file name to clipboardExpand all lines: articles/iot-operations/discover-manage-assets/overview-akri.md
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The Azure IoT Operations southbound connectors use Akri services to:
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- Discover physical devices and devices connected to your cluster.
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- Enable connectivity to the physical assets and devices by using protocols such as OPC UA, ONVIF, and REST/HTTP.
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- Enable connectivity to the physical assets and devices by using protocols such as ONVIF and REST/HTTP.
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- Configure namespace assets and devices as custom resources in your Kubernetes cluster.
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- Integrate with Azure Device Registry to project device and namespace assets to the cloud as Azure Resource Manager resources, reducing the amount of manual configuration required.
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The Akri services provide an extensible framework for all device connectivity protocols. The following types of southbound connector all use Akri services:
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- Built-in connectors such as the **connector for OPC UA** and **connector for REST/HTTP (preview)**.
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- Built-in connectors such as the **connector for ONVIF**, **media connector**, and **connector for REST/HTTP (preview)**.
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- Partner-provided connectors.
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- Custom connectors.
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- Security and authentication use standard Kubernetes secrets and TLS practices, which makes it easy to secure your device connections regardless of the connectivity protocol.
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## Supported connectors
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The following table shows the connectors currently available in Azure IoT Operations and their asset and device discovery capabilities:
| Dynamic discovery of devices at the edge (supported protocols: OPC UA, ONVIF, udev) | Yes |
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| Schedule devices with minimal latency using Akri's information on node affinity on the cluster | Yes |
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| Secrets and credentials management | Yes |
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| M:N device to broker ratio through configuration-level resource support | Yes |
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| Akri services features | Supported |
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|--------------------------|:---------:|
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| Installation through the Azure IoT Operations Arc extension | Yes |
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To learn more about OPC UA automatic asset discovery with Akri services, see [Discover OPC UA data sources using the Akri services](howto-autodetect-opc-ua-assets-use-akri.md)
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To learn more about using Akri with ONVIF, Media, or REST/HTTP, see:
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-[Understand the connector for media](./overview-media-connector.md)
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-[Understand the connector for ONVIF](./overview-onvif-connector.md)
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-[Understand the connector for REST/HTTP](overview-http-connector.md)
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