[lug] Measuring Dialup Transfer Rates?

[David Morris]

A good tip, but I was hoping for something I could leave running and
have monitor the connection rate.  Anything that can do this?

--David

On 7 Jul 2001, Tkil wrote:

> >>>>> "David" == David Morris <lists at morris-clan.net> writes:
> 
> David> Anyone know of a way to measure the transfer rate for a dialup
> David> connection to the internet (or ideally any generic network
> David> interface?).
> 
> there are some tools to do precisely this (i think that "netperf" is
> one of them, although it is a bit out of date).  the easiest way is to
> use FTP; just grab something large (figure about 30 seconds worth of
> transfer on the interface speed), make sure it's in memory (so that
> you don't lose rates due to interrupts and whatnot).  use binary mode
> (to avoid overhead of ascii/line-end conversions, although dialup
> vs. today's CPUs should make that mostly moot).
> 
> try to find a place that is "near" the other end of your connection,
> preferably on your ISP's LAN.  this probably matters less for a dialup
> connection; on a higher-speed connection, however, congestion on the
> internet itself is often the limiting factor, not the local
> connection.
> 
> for testing faster interfaces, use a product that is competent; i
> wouldn't trust the MS FTP server/client to be as efficient as the
> linux one, so i'd use linux<->linux or bsd to test anything at or
> above 10 Mb/s.
> 
> t.
> 
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