Contents
Video
Metadata
Metadata gives meaning to data.
Data without meaning is simply a noise without value.
In the IoT domain, device metadata describes a device.
Device metadata can include:
- device MAC address
- firmware version
- assignment to a room (in Smart Home solution)
Telemetry data
Telemetry data describes an environment sensed (using sensors) by the device.
That might be:
- temperature
- heartbeat rate
- battery level
Telemetry data also should be described by metadata (but let’s keep this example as simple as possible).
(Meta)data in AWS
Device metadata can be stored in AWS in multiple ways, using (among others):
Telemetry data also can be stored in AWS in multiple ways, using (among others):
Summary
Metadata gives meaning to data.
Data is sensed by devices.
