| From: | Jay Cornwall |
| Date: | 27 Jul 2001 at 01:05:41 |
| Subject: | Re: Different modem performances & AA23 |
On 26-Jul-01, Neil Bothwick wrote:
>> Why do you want to connect to a 56k modem at 230400 baud? 115200 is
>> sufficient, and using values higher than this may even result in *lower*
>> data transfer rates.
> 115200 is *not* sufficient for highly compressible data, like text. The
> fact that a file full of normal text transferred no slower than an
> "empty" (and therefore almost infinitely compressible) file indicated
> that the modems were already delivering text faster than the serial port
> could handle.
I was going on the basis that Nicholaus was discontented with his modem
speed with respect to Shoutcast streams. Of course, highly text-based
transmissions (such as email) can benefit from higher serial rates than
115200 baud, but binary streams such as Shoutcast are unlikely to show any
increase in performance (even a drop in performance, if the serial card or
modem cannot sustain 230400 baud reliably).
Regards
Jay
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