Cloud-based virtual representation of an IoT device that stores its last known state and desired future state, enabling applications to interact with devices even when they're offline. Like leaving a note for someone who's away, so they know what to do when they return.
A smart home app updates a thermostat's device shadow to set temperature to 72°F. When the device comes online after a network outage, it reads the shadow and applies the setting.
Cloud-based virtual representation of an IoT device that stores its last known state and desired future state, enabling applications to interact with devices even when they're offline. Like leaving a note for someone who's away, so they know what to do when they return.
A smart home app updates a thermostat's device shadow to set temperature to 72°F. When the device comes online after a network outage, it reads the shadow and applies the setting.
Related concepts include IoT, IoT Core, State Management. Understanding these connections helps build a comprehensive knowledge of cloud computing concepts.