Re: [Nolug] LAN speed confusion

From: Ron Johnson <>
Date: Fri, 13 Jul 2012 18:17:14 -0500
Message-ID: <>

Is ftp really a wasteful protocol?

(Though I do remember that file xfer speeds took a tumble when moving
from BBS/Zmodem to TCPIP/ftp.)

On 07/13/2012 06:06 PM, Petri Laihonen wrote:
> My theory is wasteful protocols. (If such terminology even exists)
> I have similar observation. Mine maxed out at 12MB as well, though the
> speed dropped to 7MB after I converted from single drive on the media
> server to Raid6. (Local read/write speeds are now higher, yet transfers
> over the network are slower)
> I don't trust interwebs speed tests.
> P
> On Fri, Jul 13, 2012 at 5:26 PM, Ron Johnson <> wrote:
>> I've got a bunch of devices at home connected to a Fast Ethernet switch.
>> Among them are a Netgear switch (aku), my Linux desktop (haggis) and my
>> wife's Linux desktop (peanutbutter). So, I should get a theoretical max of
>> 12MBps in half-duplex mode and 25MBps in full-duplex mode.
>> That's presumably why internet speed tests on both haggis and peanutbutter
>> show peaks up to 24MBps (close enough to my paid-for max of 25MBps).
>> Why, then, do xfers (NFS, scp & plain old ftp) between haggis and
>> peanutbutter max out just under 12MBps?
>> Ron

"There is usually only a limited amount of damage that can be
done by dull or stupid people. For creating a truly monumental
disaster, you need people with high IQs."
Thomas Sowell
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