Integrating SAP with Sourcing and Supplier Portal

Summary:

I would like to know if you know of any case in which a customer uses SAP ERP and has implemented Oracle Sourcing / Supplier Portal?

What do you think about it? We really think that the effort to integrate both solutions is to big.

Content (required):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):