Oracle Corporation
Methods, systems, and computer readable media for monitoring lightweight machine to machine (LWM2M) internet of things (IoT) devices through service capability exposure funtion (SCEF) T8 interface

Abstract:

A method for monitoring LWM2M IoT device state includes, in an SCEF, providing an interface for receiving subscription requests from IoT application servers or service capability servers for monitoring LWM2M IoT device state, the method further includes maintaining, in the SCEF, a database of identifiers of IoT devices that utilize LWM2M protocols, receiving, via the interface and from an SCS or AS, a first monitoring event request for subscribing to receive state information regarding an IoT device, and performing a lookup in the database using an IoT device identifier extracted from the first monitoring event request and identifying the first monitoring event request as being associated with an LWM2M IoT device. The method further includes communicating with the LWM2M IoT device using LWM2M constrained application protocol (CoAP) messaging to subscribe to and receive state information from the LWM2M IoT device and communicating the state information to the SCS or AS.