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Learn how to integrate OpenTelemetry into existing legacy systems and applications in this comprehensive conference talk from NDC Oslo 2025. Discover the building blocks of OpenTelemetry and understand how various platforms have successfully implemented this standardized observability solution. Explore the motivations and benefits of adopting OpenTelemetry in brownfield environments, where existing home-grown logging frameworks, vendor-specific APIs, and missing data can create significant integration challenges. Examine multiple strategies for incorporating OpenTelemetry into legacy applications while navigating the complexities of established systems. Gain practical insights from real-world experiences of introducing and deploying OpenTelemetry solutions from development through production deployment, including lessons learned from actual brownfield implementations and the obstacles encountered when modernizing observability infrastructure in existing enterprise environments.
