Re: [Nolug] LAN speed confusion

From: Petri Laihonen <>
Date: Fri, 13 Jul 2012 22:39:46 -0500
Message-ID: <>


Yes. FTP is probably one of the worst protocols AFAIK.
There is so much back and forth chatter that it consumes a lot of

This is most prominent when transferring few hundreds (or thousands)
smaller files vs. same files inside one tar file. I'm sure most protocols
have similar problems.


On Fri, Jul 13, 2012 at 6:17 PM, Ron Johnson <> wrote:

> 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
> ___________________
> Nolug mailing list

Nolug mailing list
Received on 07/13/12

This archive was generated by hypermail 2.2.0 : 07/25/13 EDT