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Re: Why is my gigabit ethernet so slow?
On Jan 27, 2010, at 1:48 PM, Thor Lancelot Simon wrote:
> On Wed, Jan 27, 2010 at 02:44:29PM +0200, Martti Kuparinen wrote:
>> I found http://proj.sunet.se/E2E/tcptune.html and played a little with
>> the receiver (NetBSD 5.99.24), below 3 runs with both settings. The
>> conclusion is that I'm happy now as I'm able to route 850+ Mbps through
>> my router...
> Changing the initial window is highly antisocial. It's certainly not
> good general-purpose advice for tuning TCP stacks and it's probably not
> necessary to get the throughput you're looking for.
Indeed -- doing that is considered *very* rude by the network performance
community. The more interesting question is the maximum window size.
--Steve Bellovin, http://www.cs.columbia.edu/~smb
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