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Article #68Re: Configuring Waffle for higher throughput with Boca 14.4
From: Geoffrey Welsh
Date: Sat, 18 Sep 1993 17:50
Date: Sat, 18 Sep 1993 17:50
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2458 bytes
sjsobol@tiny.com (Steven J. Sobol) writes:
> Hi. I'm running Waffle 1.65 and I am getting 800-1000 cps with uucico, but
> I think I can do better. I'm using a Boca 14.4 internal fax modem with
> a 16450 UART. Any suggestions?
Yeah: disable error correction. Standard implementations of UUCP 'g'
protocol has a limited window (usually 3 packets at 64 bytes, sometimes 7
packets at 64 bytes), and the increased latency caused by error correction
holding back data until an entire packet is received and CRC-verified can
result in poor performance.
Less drastic: configure MNP4 to use small packets only. This will speed
the release of UUCP packets in a long data stream.
If possible, install a FOSSIL and use it in stead of Waffle's native serial
driver. I believe that Waffle's DOS docs advise you to do this.
There is also an alternative to Waffle's uucico available. The authors
claim that it is faster and supports more efficient protocols; I found some
problems with using it inside a DesqView window (no, I don't run a multiline
BBS, I just want uucico to run in the background) thanks to COM port
allocation arbitration; returning to 'standard' uucico and a FOSSIL driver
(installed before DV) made the problems go away.
---
Geoffrey Welsh, 7 Strath Humber Court, Islington, Ontario, M9A 4C8 Canada
geoff@zswamp.uucp, [xenitec.on.ca|m2xenix.psg.com]!zswamp!geoff (416)258-8467
Mathematics is the Mechano set with which we build our
understanding of the Universe. Unfortunately, I preferred Lego.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103394,1ea7d3ccca03afff X-Google-Attributes: gid103394,public X-Google-Thread: 10beba,1ea7d3ccca03afff X-Google-Attributes: gid10beba,public X-Google-Thread: 10d370,1ea7d3ccca03afff X-Google-Attributes: gid10d370,public X-Google-Thread: 10d3b3,1ea7d3ccca03afff X-Google-Attributes: gid10d3b3,public X-Google-ArrivalTime: 1993-09-18 13:43:30 PST Path: arc1-ca.pugleaf.net!gmd.de!newsserver.jvnc.net!howland.reston.ans.net!europa.eng.gtefsd.com!uunet!news2.uunet.ca!xenitec!zswamp!geoff From: geoff@zswamp.UUCP (Geoffrey Welsh) Newsgroups: cle.config,comp.bbs.waffle,comp.mail.uucp,comp.dcom.modems Subject: Re: Configuring Waffle for higher throughput with Boca 14.4 Message-ID: <Le430B19w165w@zswamp.UUCP> Date: Sat, 18 Sep 93 13:50:20 EDT References: <1aNV0B3w165w@tiny.com> Organization: Izot's Swamp Lines: 30