All about Point-Point Connection

Hi All,
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
Regards
Suman

Hi,
instead of having point to point connections between systems you connect all systems with the XI.
For example if you have four systems A, B, C and D.
If you have point to point connections between all of them it will look like:
A - B
A - C
A - D
B - C
B - D
C - D
With XI it will look like:
A - XI
B - XI
C - XI
D - XI
So one advantage is that you will have less connections.
Another advantage is that if System A changes you have to adjust three connections in case of point to point.
With XI you have only to change one connection.
A further advantage is to have central point to configure and monitor your connections between the systems.
Some more informations:
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/f79be190-0201-0010-96b9-f00ef2ac00df
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/50fc0e7e-bd11-2a10-85a0-966fb8ec21cc
Regards
Patrick

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