If the connection fails, the client returns an appropriate error to the application.It tries reconnection after this initial time.The client picks a random initial reconnection time between 2 to 10 seconds (to prevent multiple clients trying to connect to Device Management at the same time after a possible service break).Reconnection attempt intervalsĭevice Management Client tries to establish a new connection to the server with incremented reconnection attempts:

Note: Some errors may need to be handled by the user or the application. This section explains what kind of connectivity errors an application may receive, what they mean and how the Device Management Client handles them. More information about resending is in the CoAP specification. Establishes a secure network connection.The logic handling reconnection to Device Management: Connectivity between a client and Device Management encompasses network connectivity, CoAP level connectivity and client-service level connectivity (including, for example, handling client certificate expiry or renewal). Izuma Device Management Client error recovery mechanism Izuma Device Management Client error recovery mechanism Connectivity Error Handlingĭevice Management Client handles error recovery on behalf of applications, thereby providing a seamless connectivity experience and recovery from temporary network break issues or disruptions to Device Management services. Building and configuring Device Management Client

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