![]() Hopefully, answering this question will be a good lesson about the design of a modern networking stack. On Linux, how hard is it to write a program that receives 1 million UDP packets per second? ![]() While I agree that 50kpps per core is probably the limit for any practical application, what is the Linux networking stack capable of? Let's rephrase that to make it more fun: Last week during a casual conversation I overheard a colleague saying: "The Linux network stack is slow! You can't expect it to do more than 50 thousand packets per second per core!"
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