Call remote function on a satellite system using RFC target sys option

Question

Hi all,
I am on the Java stack and I would like to call the ABAP stack of a statellite system. I can create a JCo connection on this system directly but for security reason I am not allowed to do that. I would like to call this system through the ABAP stack of my machine (I am in dual stack environment).
- How can I use RFC target sys (available in SE37 for Remote-Enabled functions) with my JCo connection?
- Or, is there a generic function which can call all other functions on a remote system (still using RFC target sys)?
Many thanks,
Stephan

Answer 1

Siddhesh - thank you for the link; the blogs by Thomas are required reading as far as I am concerned.
Hi Raja;
<i> do you mean another ABAP system (was6.40)?
and from here using another FM you call the 4.6c
system RFC ?</i>
Yes, that is what we are doing.  We are calling a web service from an Intranet form to the 6.40 system that, in turn will call the 4.6C system and pass the data back to the Intranet form (through 6.40)
<i> may be you could pass the RFC destination as import
parameter to the 6.40 RFC and use the same will the
call to 4.6C RFC from the 6.40 RFC</i>
That would work, but it would be more beneficial to just use the function module on the 6.40 system as a proxy to the function on 4.6c and not have to enter code in it each time. 
I had thought of writing just one function module in the 6.40 system that could dynamically call any different function module in 4.6c (based on the input parameters), but since were are trying to accomplish SOA, we need visiblity to each web service (ergo function module).
If it's not possible, that is OK I am just hoping someone had found a way to pull this off.
Thanks!
John