Hi,
if you want the response back into the system then you uses synchronous interface or we can say for Synchronous communication( like you want data from RFC/BAPI) we have to use Synchronous Interface
and if we want asynchronous communication(like Idoc) we use asynchronous Interface.
You cannt compare the adv and disadv. of these two.
It is accroding to our need, which interface has to use.
Thanks
Bluesky
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