...
The role of identity management in the Internet of Things (IoT) is expanding to address how to identify IoT devices, manage their interactions and the services they offer, and control access to sensitive data. This requires Identity and Access Management (IAM) to be capable of managing human-todeviceto-device, device-to-device, and/or device-to-service/system interactions. Additionally, in many cases, IoT devices are connected intermittently and/or temporarily and during that period they are required to communicate with other devices, services and the infrastructure. Commencing the communicationrequires communication requires that devices authentication and authorization to be performed according to a well-governed identity management life cycle that can ensure a unique and global identification mechanism.
...
6- Digital Identifiers (DIDs) v1.0, https://www.w3.org/TR/did-core/
7. https://tools.ietf.org/html/rfc7254