R/3 ® R/2

Prerequisites

The configuration requirements for this constellation are:

For more details, refer to the following section MVS/VSE Host Systems.

For more details, refer to the following section Commnications Subsystems for SNA.

For more details, refer to the following section SAP Gateway.

RFC connections:

CPI-C connections:

For more details, refer to the section "Side InfoTables" in the topic Side Information in R/3: TXCOM

For more details, refer to the section "Side InfoTables" in the topic Side Information on OS/2, Windows NT, UNIX and AS/400 Platforms: Sideinfo

Process flow

The SAP Gateway sets up connections to R/2 on the MVS or VSE host via LU6.2. For this, it uses services of the SNA communication subsystem. Several communication requests can be handled via a SAP Gateway.