gtpm1m0dTPF V4R1 Migration Guide: 3.1 to 4.1

Learning about What Is in the TPF 4.1 System

The TPF 4.1 system is an operating system that works with application programs to process transactions for you in a real-time environment. For example, the TPF 4.1 system you can use the TPF 4.1 system for computing needs such as transaction processing, network switching, and front-end processing. The TPF 4.1 system replaces earlier versions of the TPF product. If you require the TPF 4.1 functions, you must migrate to the TPF 4.1 system.

The TPF 4.1 system is designed for businesses and organizations that have high online transaction volumes and large networks. Because of its high capacity and high availability characteristics, the TPF 4.1 system is well-suited for environments where growth is expected to be very fast or unpredictable, or where there are high peak periods of transaction activity. It is especially useful for application programs that need high capacity and extremely low cost per transaction.

Very short path lengths for critical system services such as DASD input/output (I/O) to help make efficient use of the TPF 4.1 system resources and to provide a very low cost per transaction.

This chapter provides an overview of the product features, enhancements, and changes included in the TPF 4.1 system. The remaining chapters provide specific information about migrating from the TPF 3.1 system to the TPF 4.1 system.