Latest Articles
Arcati 2026 | Artificial Intelligence and the Mainframe
AI as an Integration Catalyst Across the 2026 Arcati Mainframe User Survey, AI is not described as a force that displaces the mainframe. Instead, respondents most frequently associate AI adoption with expanded hybrid integration. When asked how AI will impact IBM Z...
Arcati 2026 | Economics, Cost, and Value
Purpose: How organizations justify investment In the 2026 Arcati Mainframe User Survey, economic considerations appear to be a boundary condition rather than a primary driver of platform change. Cost influences timing and scope, but it does not dominate strategy...
Arcati 2026 | Security, Risk, and Resilience
Security and risk management remain central to how organizations operate and evolve their mainframe environments. In the 2026 Arcati Mainframe User Survey, respondents describe security as an embedded operational discipline that shapes priorities, tooling, and...
Arcati 2026 | Hybrid Integration and Architecture
The 2025 Arcati report established that hybrid architecture had become the dominant model for organizations running IBM Z. The new 2026 survey reinforces that conclusion and advances it. Across the 2026 responses, the mainframe is consistently described as operating...
Arcati 2026 | Workforce and Operating Constraints
Mainframe modernization, upgrade cadence, and tooling decisions are shaped as much by workforce structure as by technology. The 2026 survey reflects a notable shift in respondent mix while reinforcing continuity in operating models. Importantly, the 2026 workforce...
Arcati 2026 | Platform Currency & Technical Posture
How is mainframe usage changing — and what does that tell us? Across the 2026 survey, respondents report moderate growth or stable mainframe usage, with a smaller group indicating declines. Several forward-looking questions were introduced in 2025 to enhance...
Arcati 2026 | Platform Scale, Capacity, and Trajectory
Maintaining and Modernizing Core Mainframe Platforms Continuing with questions introduced in 2025, the 2026 survey indicates that organizations deliberately maintain platform currency. Most respondents report operating on current or near-current versions of z/OS;...
Arcati 2026 | Business Dependence and Centrality
Is the mainframe still central to business operations — and has that changed? The 2026 survey confirms that the mainframe remains central to enterprise operations. As in 2025, a majority of respondents report that more than half of their organization’s revenue or...
Arcati 2026 | Profile of Respondents
The 2026 Arcati Mainframe User Survey, conducted in late 2025 and early 2026, reflects responses from validated participants and includes a comparable number of retained responses to the 2025 and 2024 surveys, providing a stable foundation for year-over-year...
Who Will Shape the Future? 2026 Influential Mainframers Nominations Open
2026 Planet Mainframe Influential Mainframers Nominations Now Open The search for the next class of Influential Mainframers starts now. Nominations for the 2026 Influential Mainframers award are officially open. We’re looking for practitioners, leaders, educators, and...


