From owner-freebsd-current  Fri Oct  2 07:12:08 1998
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Date: Fri, 2 Oct 1998 08:11:40 -0600
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From: Nate Williams <nate@mt.sri.com>
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To: Zach Heilig <zach@gaffaneys.com>
Cc: Kris Kennaway <kkennawa@physics.adelaide.edu.au>,
        Nate Williams <nate@mt.sri.com>, current@FreeBSD.ORG
Subject: Re: fetch -p
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> > Yes, this was actually my point; on a 14.4k modem without compression I should
> > be getting about 1.4k/s throughput. The figure I got was 16% higher than this
> > just on the downloaded data transfer speed, and PPP adds extra overhead for
> > the protocol (compressing the file by a further 16% is no mean feat :-).
> > 
> > Getting transfer rates of this speed and higher is commonplace for text
> > transfers which can be easily compressed, but this is the first time I'd
> > noticed an already-compressed data stream coming in that fast (which is what
> > makes me suspicious).
> 
> I heard a rumor that the modem <-> phone <-> modem was a syncronous
> connection. 

Whomever told you this rumor was confused.

> In this case, there would be only 8 bits, no start or stop bits.

See above.

> a 14.4K connection would then have raw data rate of 1.8K/sec.

See my previous email for the correct calculation.  Ignore Kris's. :)


Nate

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