f-stack

Benchmarks show support for 10 million concurrent connections and 5 million RPS under full load, as demonstrated in Nginx testing with DPDK kernel bypass.

Leverages FreeBSD's stable, production-ready stack with irrelevant features removed, reducing development cost and benefiting from community updates.

Supports Nginx and Redis with minimal changes, allowing mature applications to achieve high performance quickly through provided modules and interfaces.

Architecture enables easy extension across multiple processes, enhancing scalability for high-demand services like CDN access modules.