Driving the Future of Mainframe Innovation | Joshua Stiles

Why 21CS
Products
- Our Products
  - SENTINELⁿ
    Comprehensive change management tool for z/OS
  - STRATUSⁿ
    Cloud object storage for z/OS | 21CS
  - Tape/Assist®
    Seamlessly migrates z/OS tape data
  - TRANSVERSEⁿ
    End-to-end, non-disruptive z/OS data migration
  - VECTORⁿ
    Modern, simplified dataset transfers
  - VSEⁿ
    Enhanced VSE experience compatible with previous versions
- What's Next
  - VERIFIⁿ
    Modern, adaptable JCL checker
  - OPTIMAⁿ
    The next generation of mainframe performance analytics
- Trusted IBM Partner
  - IBM Product Portfolio
- 21CS Partners
  - Global Partnerships
Why Historical Data Is the Backbone of Performance and Capacity Forecasting

Every mainframe capacity forecast is a statement about the past. Why losing SMF history costs more ...
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Solutions
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Talk to a Mainframe Expert

Partner with experts who understand mainframe challenges and opportunities.
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Resources
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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