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21CS Insights

Driving the Future of Mainframe Innovation

Exploring the trends, challenges, and solutions shaping enterprise IT.

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  • Why Historical Data Is the Backbone of Performance and Capacity Forecasting

    It's the middle of the night, and a batch window that normally finishes by four is still running. Whoever's on call has to answer a question: is this a real problem, or just noise?What's on the...

    Real Time Performance & Cost Control

    September 16, 2026

  • A First Look at OPTIMAn's New Reporting Interface

    Introducing the New Reporting Interface If you've been following recent news from 21CS, you already know we released OPTIMAn, our premier performance, capacity, and cost tool. What you haven't seen...

    Real Time Performance & Cost Control

    August 6, 2026

  • Rethinking Performance Management on IBM Z in the Age of AI

    By Josh Stiles, Product Lead, 21st Century Software

    Real Time Performance & Cost Control

    July 2, 2026

  • 21CS Announces OPTIMAn

    The IBM Z Intelligence Gap Is Closing For decades, mainframe teams have been trapped in the same cycle: pull reports, wait for answers, make decisions on data that's already aging. The platform is...

    Mainframe AI Integration

    July 1, 2026

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