14 July 2022 by Phillip Johnston • Last updated 18 July 2022Check-in and heartbeat messages are a fundamental device-side and infrastructure capability that enable you to remotely observe deployed systems. Devices should send periodic messages to a monitoring system (usually a remote server) to indicate that they are alive and well. Messages should be sent on boot (check-in messages) and at a regular interval during operation (heartbeat messages). Aside from indicating that a device is alive and well, these messages can be used to transmit information about the device. For example, check-in messages can include basic device information, such as …
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