Stream: Stowe
Time: 13:30 - 14:15
Connecting mainframe systems to cloud-native tools through REST APIs opens up powerful possibilities, but also brings unexpected complexity. In this session, I’ll share how we exposed mainframe monitoring and control interfaces to hybrid cloud environments. Topics include polling (aka pull) vs. push models, tuning data granularity for performance vs. usability, and how dynamic polling helps reduce load and cost. We’ll look at cache strategies, multi-tenant dashboard design, and why data context matters more than raw numbers. I’ll also walk through how to safely trigger actions on z/OS from the cloud, including actions in context of current dashboard data. We’ll close with lessons on rate limiting, cross-boundary authentication, and maintaining long-term API compatibility. Whether you're just starting to modernize your infrastructure or already bridging z/OS with cloud platforms, this session offers practical insights and patterns you can apply right away.
Oleksandr (Alex) Hubanov is a Principal Software Engineer and Product Owner at Rocket Software, leading modernization efforts within the OMEGAMON family of mainframe monitoring solutions. With a background in system-level development, C/C++, and embedded systems, he specializes in performance optimization and bridging legacy technologies with modern architectures.
An active contributor to the Open Mainframe Project, Oleksandr maintains TerseDecompress, an open-source tool used for handling IBM TERSE files. He is passionate about clean architecture, measurable efficiency, and helping teams transform complex legacy code into sustainable, modern solutions.
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