For useful related information please see the following location.
“Creating a reference user in B2C for ERP scenario” http://wiki.scn.sap.com/wiki/x/zYKdD
I would also highly recommend reviewing the SAP WebChannel E-Commerce E-Marketing E-Service Wiki page. http://wiki.scn.sap.com/wiki/x/JxkB
This contains a lot of useful information and gives a good overview of WebChannel E-Commerce.