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Tune high-speed networks for faster transfers
Authored by: eppenberger on Jun 20, '06 03:29:13AM
The maximum throughput you can achieve between your Mac and a remote server depends on two parameters: thinnest link along the way and the round-trip time.
The first parameter is often easy, especially if the server is on your local network.
The second parameter can be measured with ping.
I said: the maximum throughput! Whatever you tune, you can't go higher than this.
Now comes the question, how to come as close as possible. This is where the TCP windowsize plays a major role. Your windowsize should be greater or equal to the bandwidth-delay product. Check the excellent document, chapter 3.1:
http://www.geant2.net/upload/pdf/GN2-05-176v4.1.pdf
There is more information on performance tuning on:
http://www.switch.ch/network/performance/

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