What is z/Transaction Processing Facility?

The z/Transaction Processing Facility Enterprise Edition (z/TPF) system is a high-performance operating system designed to provide high availability for demanding high volume, real-time transaction processing for mission critical e-business applications. The z/TPF system runs on IBM Z® servers, which offer an infrastructure for transaction processing with high quality of service demands.
IBM z/Transaction Processing Facility Enterprise Edition

Manage extreme volumes

Handle up to hundreds of thousands of transactions per second—and get fast, consistent response across predictable and unpredictable peaks.

Lower cost per transaction

Apply to large applications and memory tables using memory spaces based on IBM 64-bit z/Architecture.

Improve programmer productivity

Use centralized database handling routines to manage databases without affecting applications.