Path: utzoo!attcan!uunet!lll-winken!lll-tis!ames!mailrus!tut.cis.ohio-state.edu!ukma!david
From: david@ms.uky.edu (David Herron -- One of the vertebrae)
Newsgroups: comp.dcom.lans
Subject: Re: Terminal servers over ethernet?
Summary: sorry
Message-ID: <9877@g.ms.uky.edu>
Date: 8 Jul 88 15:35:47 GMT
References: <320@ucrmath.UUCP>
Organization: U of Ky, Math. Sciences, Lexington KY
Lines: 40
In article , ron@topaz.rutgers.edu (Ron Natalie) writes:
> > Oh puhlease ...when will people STOP making bogus assumptions like this?
> If you'd read the damn context you quoted, you'll see that it isn't a
> bad assumption to make.
Sorry, I just get a little hot-headed when it comes to flow control.
I've had so many problems in dealing with it in the past ...
hmmm.. It does seem that we are talking about slightly different things.
I took the person you were responding to to be talking about flow
control at the serial port. But as I recall, you were talking mainly
about flow control in the TCP code, which doesn't make sense to me
because TCP is flow controlled all by itself. I was of course referring
to flow control at the serial ports.
For me, the magic words to get me boiling is something to do with it not
being necessary to have equivalent flow control in both directions.
There is no good reason why it should be unequally implemented! All it
does is save a few pennies here and there in parts cost (i.e. there
isn't any logic on the host to pass the flow-control from the other
device down to the software), and later cost people real problems when
they don't hook a terminal to the serial port like the designer thought.
Then there are a number of terminals which NEED flow control just to
operate at 9600 baud. Ones which I'm familiar with are vt100's and the
AT&T 5620 (I happen to have had one of each on my desk at various times
over the last year). Any micro running a terminal emulator falls into
this category. Hmm, wellll, my Amiga seems to do a real good job
of keeping up at 9600 baud ... so maybe not ANY micro.
[I started to write out some problems we've had here related to UB
NIU-180's we've got and have tried to use in a number of ways. But
it started to get rather long ... if someone is interested in seeing
a horror story I can post it.]
--
<---- David Herron -- The E-Mail guy
<---- ska: David le casse\*' {rutgers,uunet}!ukma!david, david@UKMA.BITNET
<---- Vnend would make a perfect toon!
<---- He already cleans up after himself like one!