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AWS-provided client device components

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AWS-provided client device components - AWS IoT Greengrass

AWS IoT Greengrass provides the following public components that you can deploy to core devices. These components enable client devices to connect and communicate with a core device.

Note

Several AWS-provided components depend on specific minor versions of the Greengrass nucleus. Because of this dependency, you need to update these components when you update the Greengrass nucleus to a new minor version. For information about the specific versions of the nucleus that each component depends on, see the corresponding component topic. For more information about updating the nucleus, see Update the AWS IoT Greengrass Core software (OTA).

When a component has a component type of both generic and Lambda, the current version of the component is the generic type and a previous version of the component is the Lambda type.

Component Description Component type Supported OS Open source
Client device auth Enables local IoT devices, called client devices, to connect to the core device. Plugin Linux, Windows Yes
IP detector Reports MQTT broker connectivity information to AWS IoT Greengrass, so client devices can discover how to connect. Plugin Linux, Windows Yes
MQTT bridge Relays MQTT messages between client devices, local AWS IoT Greengrass publish/subscribe, and AWS IoT Core. Plugin Linux, Windows Yes
MQTT 3.1.1 broker (Moquette) Runs an MQTT 3.1.1 broker that handles messages between client devices and the core device. Plugin Linux, Windows Yes
MQTT 5 broker (EMQX) Runs an MQTT 5 broker that handles messages between client devices and the core device. Generic Linux, Windows No
Shadow manager Enables interaction with shadows on the core device. It manages shadow document storage and also the synchronization of local shadow states with the AWS IoT Device Shadow service. Plugin Linux, Windows Yes
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