Current-Users archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

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 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,

Home | Main Index | Thread Index | Old Index