Does it mean that, 1 CDM/Partner Profile/Port = 1 specific partner?

Question

Hi experts,
As I am beginner to IDoc concept, hv few doubts, like,
1) Does it mean that the development of, 1 CDM(Distribution Model) / 1Partner Profile / 1Port = exclusively 1 specific partner? I mean, for instance the organisation possess 100 partners, so it means that it shuld hv 100 CDMs(Distribution Model) / 100 Partner Profiles / 100 Ports?
2) For out bound direction, for a newly created IDoc sending Does it not necessory to create/use the Process code?
3) If partner profiles r created, so the Ports r automatically cretaed in the system? Or we must create the ports explicitly?
4) Does it means that The distribution of CDM from sender to receiver = Creation of new CDM in the receiving system for that particular partner?
ThanQ in advance,
Rgds,
Sri.

Answer 1

Hi,
1) Does it mean that the development of, 1 CDM(Distribution Model) / 1Partner Profile / 1Port = exclusively 1 specific partner? I mean, for instance the organisation possess 100 partners, so it means that it shuld hv 100 CDMs(Distribution Model) / 100 Partner Profiles / 100 Ports?
It is not necessary exclusively but it can be (depend on your business process).
You could also have a single logical system and a single IDoc port for multi partner purposes. In this case, you can use message code and message function to segregate the partner data in receiver system/sender system.
2) For outbound direction, for a newly created IDoc sending Does it not necessory to create/use the Process code?
For transactional data i.e sales order, billing, delivery and etc., you still need to use process code via message control setup (in partner profile). However, for master data distribution i.e material master, vendor master, customer master and so on,  you do not need to setup process code in the partner profile. The extraction program will call corresponding FM to generate and distribute the IDoc.
3) If partner profiles are created, so the Ports r automatically cretaed in the system? Or we must create the ports explicitly?
You can use existing IDoc port for new created partner profile or you can create new port via transaction WE21. System will not create automatically the port. You need to link to correponding message type in partner profile (WE20).
4) Does it means that The distribution of CDM from sender to receiver = Creation of new CDM in the receiving system for that particular partner?
If both sender and receiver systems are SAP then you need to setup distribution model (BD64) for both system. Otherwise, if only one SAP system involved and other is external system then you need only to setup one distribution model.
Hoep this will help.
Regards,
Ferry Lianto