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Apple has just released a Broadband Tuner, a simple application that tweaks a few system configuration parameters regarding TCP packet size, to optimize data transfer over connectivity with high latency and high bandwidth. From the Broadband Tuner support page:
The Broadband Tuner allows you to take full advantage of very high speed Internet connections that have a high latency (5 Mbps or greater). The installer tweaks some system parameters.
There is an optional uninstaller that can be used to restore the settings that were in effect at the time just before the system parameters were changed.
I have not tried it despite the fact that i do now have 6Mbps/768Kbps DSL at home, as ping times to most benchmark hosts are very low. I don’t like messing with a system unless there’s a very good reason to do so, and it’s unclear at this point how much I stand to benefit from this tuner.
High-bandwidth/high-latency situations are more likely to be seen in satellite-powered wireless broadband connectivity, than DSL or Cable broadband connectivity.
Has anybody tried it?