21CS Insights
Driving the Future of Mainframe Innovation
Exploring the trends, challenges, and solutions shaping enterprise IT.
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Featured Article
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...Read MoreReal Time Performance & Cost Control
August 6, 2026
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IBM z16: The Ideal Platform for VSE Business Needs
by Gonzalo Muelas SerranoIBM Z
May 9, 2022
Discover Your STRATUSn Savings
Learn how STRATUSn saves on storage, simplifies your systems, and prepares your mainframe for the next generation.