Re: Alternative title
"The Linux networking stack is, well, sub-optimal, to put it kindly."
A general purpose OS - or general purpose H/W for that matter - isn't optimised for anything in particular. It has to be a jack of all trades balancing performance against security, ease of use, multi-tasking & whatever. If you want optimisation according to some specific criterion you use something special purpose. You want real time response you use a real time OS. You want to mine Bitcoins you use ASICs.