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Recently Published
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...
Zowe: History & Significance Trivia
Earlier in February, Planet Mainframe had the opportunity to sit down with Elliot Jalley, Product Manager at Broadcom’s R&D Center in Prague, to discuss Zowe’s pivotal role in mainframe modernization. Zowe is a groundbreaking initiative that enhances...
Guide to SHARE Washington DC
If you are attending the SHARE conference this week, we hope you have enjoyed it and that our blog posts have been a little help in finding interesting and relevant sessions. It is hard to believe that we are already discussing the sessions for the last day of...
Sustainable IT and the Role of Mainframes in a Greener Future
In an era where environmental consciousness is not just a corporate social responsibility but a business imperative, sustainable IT is in the solar-powered spotlight. As companies seek to reduce their carbon footprints, the efficiency and longevity of IT...
Just Released – Latest Cheryl Watson’s Tuning Letter
Hello from me, Mark Wilson, the incoming Editor and Producer for Cheryl Watson’s Tuning Letter. We’re proud to release the latest issue, 2024 No.4, on the publication’s website. If you’re not a subscriber yet, consider this your nudge. You can...
Don’t Miss This at SHARE DC, from expert Frank Kyne
The 2025 Winter SHARE conference will be held in the Gaylord National Resort and Convention Center, starting Sunday, February 23. This is a 4-day conference, with the last day (Thursday) being a full day. If you are attending, check out the...
What Steam Can Teach Mainframes
My father passed away recently, and I found myself thinking about him. He had many hobbies, but only one that caught my attention: building small-scale models. He had a steam train from when he was a boy, and at times, he would work on a small model railroad. Of...
Performance & Tuning Month
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Upcoming Events
Events
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Virtual IMS User Group | All about SMP-E (System Modification Program-Extended)— It’s SiMPlified!!!
Zoom - Virtual MeetingAll about SMP/E (System Modification Program/Extended) — It's SiMPlified!!! SMP/E (System Modification Program/Extended) is the foundation of software maintenance and update management within the z/OS ecosystem. This session provides a […]
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Accelerating Mainframe Efficiency: Development and Testing Webinar
Zoom - Virtual MeetingUnlock the power of instantly available mainframe resources to revolutionize mainframe delivery. The third session in the PopUp Persona Webinar series reveals how application developers, software engineers, and QA teams […]
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Virtual IMS User Group | Data Gravity and IBM Z: Bringing Processing to the Data
Zoom - Virtual MeetingAs data volumes grow, they naturally attract applications, services, and processing toward them—a concept commonly referred to as data gravity. In hybrid cloud environments, understanding data gravity has become increasingly […]
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Virtual CICS User Group | Latest Update on Security in CICS TS 6.3: The Journey to Zero Trust
Zoom - Virtual MeetingCICS has been advocating zero trust principles and introducing security-focused enhancements since CICS TS 6.1. This session will explore the latest security capabilities available in CICS TS 6.3 and how […]
Join Planet Mainframe at SHARE Cleveland for Trivia, Prizes, and More
Next week, SHARE is taking over Cleveland, Ohio, and we’re bringing the party to Booth #612! If you’re going to be there, here’s what we’ve got planned: Look for these friendly faces: Amanda Hendley, Mark Wilson, and Penney Berryman Celebrating the 2025 Influential...
TRIVIA – Mainframes and Their Rivals
For decades, mainframes have stood quietly at the heart of global enterprise computing, but they haven’t been without competition. From the rise of minicomputers to the spread of UNIX systems and the open-source movement, each wave of innovation has challenged the...
Industry-Wide Security Event, Accelerate Mainframe Migrations, and more
IBM Announces z/OS 3.2 to Power AI-Driven, Secure Hybrid Cloud Workloads Vertali APAC brings MainTegrity® CSF to Australia Industry-Wide Security Event: Vanguard Security & Compliance 2025 Kyndryl Launches New AI-Powered Services to Accelerate Mainframe Migration...
Mainframes in Pop Culture
We’re in the long, hot days of summer here in the Northern Hemisphere, and while many of us may not be on summer holidays, our Planet Mainframe Trivia Quiz is going to venture into new territory - mainframes in pop culture! Mainframes may be known for their...
IBM Power11, SHARE Cleveland Technical Agenda, and more
IBM Introduces Power11: Purpose-Built Infrastructure for the AI Era A cornerstone of IBM’s AI strategy is building the infrastructure to support it. This month, IBM introduced IBM Power11, the latest generation of IBM Power® servers, built for the era of AI,...
CICS Month Trivia
It’s CICS month at Planet Mainframe! That means we’ll spend some time this month exploring the system that’s been the bedrock of enterprise transaction processing since the 1960s. CICS grew out of the idea of Ben Riggens, an IBM systems engineer working at Virginia...