Originally Posted by Spudstr

More capacity != faster speeds. "Speed" is relative to the distance your destination vs source is. Latency and jitter play part of this. Just because you have a bigger pipe doesn't mean its faster, just means you can cram more down it per second.

"Throughput" is a solution to a max windosw size and latency, the formula

TCP-Window-Size-in-bits / Latency-in-seconds = Bits-per-second-throughput


In other words, if you want better "speed" regarldess of throughput adjust your TCP window size on your system.