Async - One way coomunication
Sync - 2 way coomunication, Sender getting response from receiver
SAP recommends the use of Async interfaces as far as possible. This is because once a sync communication starts, the sender has to wait for the response from the receiver which consumes the resources.
In async case however, the sender just has to send the data and XI is responsible for delivering it to the receiver.
Regards,
Prateek
Bluesky
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