I have read this point in the disscussion abt why we need XI
1. right now you are using point to pont connection which is not the best way.
I know that the concept of ALE which is used to send the IDOC's from SAP-Non-SAP and Vice versa.This is working on Point to point conection.
Q1) Then on which basis XI is working. Is it is Point -Multi point concept??
Q2) What is the Dis Advantages of using the Poin--Point conection
Q3) What are the Advantages of avoiding the point point connection by using XI