https://www.alibabacloud.com/help/en/iot/user-guide/use-coap-protocol/
IoT Platform:Connect a device to IoT Platform over CoAP - IoT Platform - Alibaba Cloud
Explore the RAM authorization model for Data Transmission Service, detailing policy syntax and resource-level rules to securely delegate granular permissions...
connect a deviceiot platformalibaba cloudcoap
https://lists.lavasoftware.org/archives/list/lava-users@lists.lavasoftware.org/thread/SQPZBMJWBBSYBUR3LJCSVPVDJEYEAOC3/
Connect a device through serial without PDU - lava-users - op-lists.linaro.org
connect a deviceserialwithoutpdulava