Important design decisions

Overall Description

The coordination layer offers communication through a message broker and a data transmission via https. This is illustrated in the below figure. In general communication is initiated and actions are coordinated via the message broker, while the actual transmission of data is done via data transmission.
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Message Communications

Start communication via Topic

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• there may be a heavy load of messages that all substribers must go through in order to find the ones interesting for themselves.

Bus software

Data Transmission