Router Throughput vs Buffer Size -- 11 data points

[Michael Goulish]

I'm afraid there's not much of any knee in this curve.

By the way, CPU was almost unaffected.
Actually it improved slightly, from 208% at 512 byte buffer,
to 195 for buf=2048  to 191 for buf=3072 and above.

[image: buffer_vs_throughput.jpg]