R/3 « R/2 (MVS/VSE)
The following topics provide an overview about the configuration steps you must perform on the partner systems.
The configuration steps you must perform depend on whether the calling system is R/3 or R/2.
R/3 ® R/2
R/2 ® R/3
As of R/2 Release 5.0D, you can also use an RFC call instead of
a CPI-C call.
The following limitation applies to an MVS/VSE host: