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This guide is based on a home lighting use case involving lights in a home that can be remotely controlled by a user's smartphone leveraging the capabilities of oneM2M. An overview of the use case is shown below.

The main components are introduced as follows:

1. The lights are deployed in a home and are attached to a home gateway.

2. The home gateway communicates with a cloud service platform allowing the lights to be controlled remotely by the smartphone.

3. The cloud service platform supports a set of services to enable the smartphone to more easily control the lights in the home. Some examples of services include registration, discovery, data management, group management, subscription/notification etc.

4. The smartphone hosts an application used to remotely control the lights in the home and supports the following capabilities:

   • Discovery of lights deployed in the home.
   • Sending commands to change light state i.e. ON and OFF.
   • Retrieval of light state.