This blog post nicely fits as a fourth part of the series we've been releasing since June:
https://blog.cloudflare.com/how-to-receive-a-million-packets...
https://blog.cloudflare.com/how-to-achieve-low-latency/
https://blog.cloudflare.com/kernel-bypass/
https://blog.cloudflare.com/single-rx-queue-kernel-bypass-wi...
I hope this gives a bit more context.