VG-Application Server

The VG-Application Server communicates with the VG-Windows Client using TCP/IP and/or APPC (LU6.2).  Communication with VG-Java Client is based on TCP/IP.

VG-CICS Server

The VG-CICS Server communicates with the VG-IDMS Client using either Supervisor Call (SVC) or APPC (LU6.2). SVC is for applications running within one MVS image. APPC can also be used to access remote CICS systems.

VG-IDMS/DB2 Server

The VG-IDMS/DB2 Server runs under CA-IDMS/DC/UCF 10.x or later and uses the Call Attachment Facility to access DB2. This setup is for applications running within one LPAR or within IBM's DRDA.

VG-ODBC Server

The VG-ODBC Server runs under any 32bit Microsoft Windows operating system on Intel platforms. The Server communicates with VG-IDMS Client and VG-BATCH Client using either TCP/IP or APPC (LU6.2).

The target database is accessed with any 32bit ODBC driver built for that particular database.

The VG-ODBC Server runs as a true 32 bit Windows service or application. The Server runs in multithreaded or in multiprocess mode. At least one thread is always waiting for incoming requests. For testing purposes, users may start the Server from Windows start menu.

VG-IDMS/Web Server

The VG-IDMS/Web Server runs under CA-IDMS/DC/UCF 10.x or later and processes incoming HTTP requests. Storing the required HTML pages into CA-IDD is possible.