Backup strategy for distributed system

[oley]

Hi,

I am considering the optimal backup strategy for my architecture.
I have several objects with a few devices.
I connect to the objects via APN in the GSM network.
There are occasional connection interruptions, which cause data gaps and make it impossible to respond.
I am considering the following architecture: one central SCADA serving all objects and devices, and a miniPC in each object with local SCADA.
If the connection is lost, will the data be supplemented in the central SCADA after it is restored?
The devices can handle two independent MODBUS connections, so this is feasible.

[Author]

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