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Explore LinkedIn's groundbreaking Software Defined Backbone implementation in this 28-minute conference talk from NANOG. Learn how LinkedIn engineers reimagined network architecture by building one of the largest in-house networking systems from scratch to handle massive bandwidth demands across global data centers. Discover the shift from monolithic network systems to distributed, purpose-built architectures designed for flexibility, scalability, and control. Examine the SDN architecture that enables centralized traffic engineering to dynamically program flows on cost-effective routers, achieving over 95% link utilization while balancing traffic flows of different priorities across multiple paths. Understand how the system adapts to real-time demand and failure conditions while delivering up to 5 Tbps of production traffic across sites. Gain insights into the architecture and design decisions, plus valuable lessons learned from three years of production deployment and operation at scale, presented by senior LinkedIn engineers with decades of networking expertise.
