Hi Pieter, Here are the diagrams explaining how performance metrics work.
perf1.png shows the difference between latency and throughput. It also demonstrates that to measure latency, you need 2 points of measurement (A and B). There's no such thing as latency at a single point. On the other hand, to measure throughput you need just 1 point. Thus you can measure throughput at either A or B.
perf2.png shows that the throughput at A and B doesn't have to be the same, even in a single test.
perf3.png shows that value of throughput depends on the interval when you measure it. It's a relative value, depending on the observer rather than an absolute metric.
HTH. Martin
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