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6-Month ROI: Why Mainframe Modernization Starts with Testing (Not Code)

Mainframe modernization is often perceived as a long-term initiative with delayed returns and significant risk. For CFOs and CTOs, this has created a common perception: modernization is necessary, but the financial impact takes too long to materialize.
The problem is that this assumption starts from the wrong place. The biggest cost is not the transformation itself—it is the development lifecycle that supports it.

The Culture of Those Who Keep the Invisible Running

The Culture of Those Who Keep the Invisible Running

Most people will never think about what happens between sending a Pix payment and having it received—and that’s precisely the point. Some technologies are built to be seen, while others exist to ensure the world never stops.
The mainframe has always belonged to the second group. It doesn’t appear in social media feeds, become a trend, or dominate conversations about “the future of technology.”

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Batch Window Optimization and Code Quality: How to Sustain 24/7 Operations Without Sacrificing Mainframe Efficiency

Batch Window Optimization and Code Quality: How to Sustain 24/7 Operations Without Sacrificing Mainframe Efficiency

For years, mainframe operations were built around a simple premise: daytime was for processing, nighttime was for consolidation. The batch window was when systems closed transactions, reconciled data, and reorganized workloads. That model worked—until transaction volumes stopped following the clock.
Today, with Pix, Open Finance, and applications available 24/7, processing never slows down. It keeps growing while the batch window continues to shrink.

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Eccox Expands Its IBM Z Portfolio with 21CS OPTIMAn

Eccox Expands Its IBM Z Portfolio with 21CS OPTIMAn

To help organizations overcome these challenges, Eccox is expanding its portfolio through its partnership with 21CS by bringing OPTIMAn to customers seeking a smarter approach to IBM Z performance, capacity, and cost management.

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Continuous Integration in the Mainframe: connecting COBOL, Git, Jenkins, and microservices without sacrificing performance

Continuous Integration in the Mainframe: connecting COBOL, Git, Jenkins, and microservices without sacrificing performance

For a long time, the discussion around mainframe modernization was framed as a binary choice: keep the legacy or move to something new. The reality of mission-critical environments has never worked that way.
The systems that process payments, move bank accounts, and sustain financial operations continue to execute billions of transactions within the mainframe. What has changed is the expectation around how fast these applications need to evolve.

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