This topic lists common questions about Link IoT Edge usage and provides answers to them.

If I want to use the resumable download feature, do I need to make extra development in addition to specifying QoS when configuring a message route?

No, extra development is not required. For more information about the resumable download feature, see Resume data transmission from a breakpoint.

How do I enable an ECS instance to receive data that a sub-device reports to IoT Platform through the gateway?

Use the data forwarding feature provided by Rules Engine in IoT Platform to forward device data to a specific topic you defined. Configure your ECS instance to call the specific API operation of IoT Platform to subscribe to the topic and obtain required data. For more information, see Data Forwarding.