z/OS MVS Environment Components

The components and subsystems outlined below are the z/OS non-USS components of the FDR/UPSTREAM system. These components are more fully described in the FDR/UPSTREAM MVS sections of this manual. Refer to those sections of this manual for additional information on the required installation, customization, and management tasks.

IBM ACF/VTAM Subsystem

The ACF/VTAM Subsystem provides Systems Network Architecture (SNA) communications facilities to the FDR/UPSTREAM z/OS MVS components. In particular the TSO/ISPF User Interface and USTBATCH JCL Interface utilize the APPC (LU 6.2) API of ACF/VTAM to communicate with the FDR/UPSTREAM Started Task. A minimum level of ACF/VTAM 3.2 is required for the FDR/UPSTREAM system.

TCP/IP Subsystem

The TCP/IP subsystem provides telecommunications access method services to the FDR/UPSTREAM components. This subsystem is an integrated component of the z/OS operating system and must be installed and configured prior to FDR/UPSTREAM use. The FDR/UPSTREAM Started Task utilizes the High Performance Native Sockets (HPNS) API to interact with the TCP/IP system.

 

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