Example
Kaa is a good example of OpenSource IoT Platforms, it provides a data collection, notification and device to device communication for you.
| Language | Connectivity Protocols |
|---|---|
| Java | Kaa Protocol (KP) over MQTT, CoAP and TCP |
Kaa device to device communication is based on Events and you can send events even into server instead of devices. as its documentation says:
The Kaa Events subsystem is designed to generate endpoint events in real time, send them to other endpoints of the same owner and to Kaa server for processing.
