Netflix optimized its global CDN by adopting and customizing FreeBSD-CURRENT, enabling high-performance, scalable streaming. By aligning closely with the FreeBSD community, Netflix enhanced system-level features like sendfile and Kernel TLS to improve speed and reduce memory bottlenecks. Their contributions led to industry-firsts like 100Gbps and 400Gbps production CDN servers. Strategic tracking of the CURRENT branch allowed faster innovation with minimal technical debt. Rigorous testing, community collaboration, and upstream contributions enabled Netflix to maintain stability while innovating at scale.

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