Re: DOS too slow?

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#3357

From: Keath Milligan
Date: Thu, 05 Nov 1992 21:52

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In article <1992Nov5.065529.17035@actrix.gen.nz> Bob.Clegg@bbs.actrix.gen.nz writes:
>We are developing an application that uses a DOS based 386sx for
>real time online data accessing.  The query information is taken
>over the phone and keyed in. 
>The response from the mainframe is over a RS485 link. 
>The communications protocol being used is HDLC.
>We are a bit worried by the slowness of the transaction rate and
>were wondering whether DOS is suited for this type of environment.
>If anybody has been in a similar situation or can give any handy
>hints I would like to hear from them.

If your link-interface card has DMA and does the zero bit-stuffing for
you, it shouldn't be a problem.  If the CPU is responsible for
processing the raw HDLC data-stream, you might be in trouble...
-- 
oooooo ooo o o  o            Keath Milligan            o  o  ooooo oooo oooooo
oooo oo ooo  o   o   Prometheus Light and Sound, Inc.   o   o  o ooooooooooooo
oooooooo o oo  o         Real/Time Communications        o    o o ooo oooooooo
oooooo oooo ooo  o  internet: reaper@wixer.cactus.org  o   o  o ooo oo ooooooo

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Message-ID: <1992Nov5.215208.1311@wixer.cactus.org>

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References: <1992Nov5.065529.17035@actrix.gen.nz>

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Newsgroups: comp.os.msdos.programmer,comp.os.msdos.apps,comp.os.msdos.apps
Path: arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!decwrl!netsys!agate!ames!saimiri.primate.wisc.edu!zaphod.mps.ohio-state.edu!cs.utexas.edu!milano!cactus.org!wixer!reaper
From: reaper@wixer.cactus.org (Keath Milligan)
Subject: Re: DOS too slow?
Message-ID: <1992Nov5.215208.1311@wixer.cactus.org>
Organization: Real/Time Communications
References: <1992Nov5.065529.17035@actrix.gen.nz>
Date: Thu, 5 Nov 92 21:52:08 GMT
Lines: 19

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