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Learn about a direct OpenStack upgrade strategy from Queens to Yoga in this technical conference talk. Discover how STACKIT tackled the challenge of upgrading their OpenStack environment by building a parallel infrastructure instead of performing sequential version upgrades. Follow along as speakers Maxim Korezkij and Samuel Kunkel detail their innovative approach to migrating customer workloads on a project-by-project basis, including the implementation of a Project-Routing-Reverse-Proxy to maintain seamless API endpoint accessibility. Explore the specific techniques, workarounds, and solutions employed to minimize downtime during the migration process, and gain insights into whether this ambitious approach proved successful enough to be recommended for similar upgrade scenarios.
