What is the pipeline and what is a pipeline services?

Ans:Receiver Identification,Interface Identification,Message Branch,Reguest Message
Mapping,Outbound Binding,Call Adapter.

OR

Pipeline Steps:they are 6steps
1.Receiver Determination.
2.Interface Determination.
3.Msg Spilt:If more than one receivers are found XI will initiate new msg for each
receiver.
4.Message Mapping:Mapping program to transform source msg to destination msg.
5.Technical routing:Bind a Specific destination and protocal to the msg.
6.Call Adapter:Send the transformed msg to the adapter or proxy.