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  From: Mark Newton <newton@atdot.dotat.org>
  To  : Ryan Verner <vernerr@dove.net.au>
  Date: Sun, 24 Dec 2000 11:23:02 +1030

Re: Auslinx Tasmanian Devil modem

On Sun, Dec 24, 2000 at 12:13:17AM +1030, Ryan Verner wrote:

 > I have noticed in windows if you run programs to tewak your MTR etc... you
 > DO notice a difference, particulary with pings in games (such as
 > counterstrike...)
 > How exactly can I "tune" my modem for maximum performance? Init strings? MTR
 > etc...? "serial settings"? "pppd/chat settings"?
 
It depends on what you mean by "maximum performance."

If you want a low ping in games, you probably want to optimize for 
latency.  One of the ways to do that is to disable compression:  Normally,
with compression enabled, your modem will delay transmitting data you
send to it just in case a bit more data for the same compression block 
arrives a few milliseconds later;  You can substantially reduce ping times
by turning off compression.

As you can probably work out, though, disabling compression isn't exactly
helping the throughput of your modem.  Games don't really care about that,
but if you're web surfing you'll notice that your net link is substantially
slower with compression turned off.

 > My modem is an ActionTec External 56K.... I have noticed in Windows I get
 > around 6kb/sec, sometimes jumping to 10kb/sec.. in linux, it never goes past
 > about 4kb/sec... (I am using the drivers for the external modem though in
 > windows...)

How are you measuring this?  Keep in mind that the kbytes/sec figures
given in the status bar of web browsers are uniformly inaccurate...

   - mark

--------------------------------------------------------------------
I tried an internal modem,                    newton@atdot.dotat.org
     but it hurt when I walked.                          Mark Newton
----- Voice: +61-4-1620-2223 ------------- Fax: +61-8-82231777 -----

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