Understanding a Legend, From Pre-Z to the Present: Welcome to ‘The IBM Z Experience’
April 2, 2026
Joe Gulla follows up on 'z/OS and Friends' with a new series, setting out to understand the impact of the mainframe through a lens of innovation, realization and transformation
ArticlesSYSB-II: Turning Nightly Downtime into a Competitive Advantage
November 10, 2025
If you run on IBM Z, you may still stop CICS overnight so batch jobs can update VSAM files. That pause is a habit, not a requirement. SYSB-II removes the trade-off between fresh data and uninterrupted access: batch updates VSAM while CICS remains open, preserving integrity and predictable response times. The Value in One Paragraph […]
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Why Mainframe Security Postures Vary So Widely
November 5, 2025
Phil Young, director of mainframe penetration testing at NetSPI, describes the most commonly omitted security controls, and why they get skipped
ArticlesThe Web Server Landscape: Where IBM HTTP Server Fits In
October 29, 2025
For "z/OS and Friends," Dr. Joe Gulla looks at the special role played by the IBM product, how it works with WebSphere Application Server and how other web servers compare
PodcastsDr. Joe Gulla Still Hears the Music of the Mainframe
September 24, 2025
The "z/OS and Friends" author goes on "IT Social Hour" to discuss how he went from music theory major to mainframe devotee, why he still gets emotional about the mainframe, and why, at age 72, "z/Architecture Principals of Operation" still fills him with wonder
The Role of Mainframe Data in a Hybrid Environment
August 22, 2025
Craig Mullins outlines the various types of mainframe data and how hybrid applications use them
Press Releasesrvs-Systems Launches Version 1.3.1 of zKafka Connector (RzK)
July 1, 2025
Version 1.3.1 introduces key features that enhance quality (transaction processing and idempotent producer support), performance/speed (message batching) and support for Kafka v4.0
ArticlesUnderstanding the Nuances of Database Systems on the IBM Z Mainframe
May 1, 2025
Craig Mullins looks at the characteristics that make mainframe databases unique, and how understanding them is key to database management
Articlesz/OS and Friends: Rich Functionality Is What CICS Is All About—Then and Now
April 28, 2025
Joe Gulla traces the evolution of the Customer Information Control System (CICS), harkening back to its first release and providing a comprehensive accounting of its modern-day application development capabilities
ArticlesSimplify Mainframe Access and Security with Virtel Web Suite
April 8, 2025
Transform your IBM Z applications with Virtel Web Suite—secure, efficient, browser-based access.
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