What is Synchronous communication under SAP PI communication?

1.	What is Synchronous communication under SAP PI communication?
Answer» In a Synchronous communication, it is invoked by request and response operation and process output is returned immediately after the operation. In general terms, you can say that a synchronous scenario when a sender process sends a request to receiver and waits for a response. If an error occurs at receiver side, sender application is responsible for sending the message again. In this approach, there is a possibility that sender might resend message after time out and duplicate message may exists. This approach in PI is known as BE Best Effort.

Answer»

In a Synchronous communication, it is invoked by request and response operation and process output is returned immediately after the operation. In general terms, you can say that a synchronous scenario when a sender process sends a request to receiver and waits for a response. If an error occurs at receiver side, sender application is responsible for sending the message again.

In this approach, there is a possibility that sender might resend message after time out and duplicate message may exists. This approach in PI is known as BE Best Effort.

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