Hi Lou,
I explain you in detail about Pipeline and it's services:-
Messages received at the Integration Server are processed through a defined series of steps called Pipeline Services. A pipeline service is an ABAP Objects class that performs a particular processing step on a message. The pipeline is accessed via a URL, behind which is an ICF service. The URL for sending a message to the pipeline is http://<host>:<port>/sap/xi/engine?type=entry
Important pipeline steps are:-
Receiver Identification : Determine which system should participate in an exchange with the incoming message
Interface Determination: For each receiver system determine which interfaces should receive a message
Message Branch: If multiple receivers are found, XI will instantitiate a new message for each receiver
Request Message Mapping: Call the mapping program to transform the message structure to the receiver format.
Outbound Binding: Bind a specific destination and protocol to the message.
Call Adapter: Send the transformed message to the adapter or proxy.
I hope this helps you.
Regards.
Praveen
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