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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21CS Enters Agreement to License z/VSE Operating System
by Gonzalo Muelas Serrano 21CS recognizes that organizations using IBM z/VSE value their mission-critical data. The operating system is typically used by IBM Z clients whose environments...VSE
June 1, 2021
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Predicting Chaos during Disruptive Times
As constant change becomes the heartbeat of modern businesses you need a different view of forecasting to make it work. The question is no longer the simple What will happen tomorrow? Now, it is the...IBM Z
November 20, 2020
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Mainframe and the Value of Data
In the words of Sherlock Holmes …It is a capital mistake to theorize before one has data.IBM Z
November 20, 2020
Discover Your STRATUSn Savings
Learn how STRATUSn saves on storage, simplifies your systems, and prepares your mainframe for the next generation.