Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!cs.utexas.edu!milano!bigtex!james
From: james@bigtex.cactus.org (James Van Artsdalen)
Newsgroups: comp.dcom.modems
Subject: Re: V.32 will dominate the marketplace (Was: Re: Which is best?)
Message-ID: <10504@bigtex.cactus.org>
Date: 13 Nov 88 07:02:35 GMT
References: <407@telly.UUCP> <1245@nusdhub.UUCP> <325@maxim.ERBE.SE>
Reply-To: james@bigtex.cactus.org (James Van Artsdalen)
Organization: Institute of Applied Cosmology, Austin TX
Lines: 17

In <325@maxim.ERBE.SE>, prc@ERBE.SE (Robert Claeson) wrote:

> I've got some info on the new V.32 modem from Microcom. It has MNP
> Class 9, and can give a throughput of c. 30 kbit/sec.

That's hoping for a 3x compression ratio within the modem, which I
think is highly optimistic.  If nothing else, it is better to do the
compression before sending the data to the modem than to send all of
that data and have the modem compress it.  In addition, I shudder at
the thought of trying to convince uPort unix/386 to talk to a modem at
56.8Kbps or whatever the interface rate would be.

If their compression scheme *does* get a ratio of 3x, imagine what a
PEP modem could do: 42Kbps around town...
-- 
James R. Van Artsdalen      james@bigtex.cactus.org      "Live Free or Die"
Home: 512-346-2444 Work: 338-8789       9505 Arboretum Blvd Austin TX 78759