Communication in a TCP/IP Environment 
In the following constellations, program-to-program communication is based on the TCP/IP transport protocol:
For non-SAP programs, SAP provides the platform-specific development library cpictlib.
The SAP Gateway runs under DCAM (from V11) with TCP/IP and the Socket interface on the BS2000 host.
In all of these constellations, the
SAP Gateway (CPI-C Handler) is required.For information on hardware and software supported, refer to the following brochure:
SAP-Supported Network Products