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Article #1070

Re: Ethernet connections for mainframes

#1070
From: Juan J. Collas
Date: Thu, 24 Apr 1986 19:43
25 lines
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In article <169@brl-sem.ARPA>, ron@brl-sem.ARPA (Ron Natalie <ron>) writes:
> > We would like to hear from other sites that have such a configuration
> > [mainframe (of any sort) to Ethernet], preferable by means of an IO
> > channel connection, since our application requires the bandwidth of
> > an IO channel.
> 
> The guys down at the University of Maryland who I believe were the first
> one to do TCP/IP for the UNIVAC were recently talking about using the IBM
> DACU to connect the Sperry channel to a UNIBUS Ethernet board (Sperry
> channels are pretty much interchangable with IBM channels).  These guys
> arealso did the software at NOSC.The FUZZBALL plays internet gateway to
> a serial line to the UNIVAC.  Frankly, I believe this is much preferable
> than kludging a ethernet to the Sperry in any of the methods I've seen
> so far (DACU's are kind of silly devices).

I believe Spartacus Computers, Inc. (they're owned by Fibronics) makes
a box which is channel attached.  It uses the block multiplex channel,
and connects to an ethernet transciever directly.  Sounds a little more
elegant than a DACU to the Ethernet.  It's also a *hell* of a lot faster.

	- Juan Collas, MIT Lincoln Labs

-- 
Juan Collas
MIT Lincoln Laboratory
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Message-ID: <313@ll-xn.ARPA>
Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!allegra!mit-eddie!genrad!panda!talcott!harvard!adelie!ll-xn!jcollas
References: <1104@uwmcsd1.UUCP> <169@brl-sem.ARPA>

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From: jcollas@ll-xn.ARPA (Juan J. Collas)
Newsgroups: net.lan
Subject: Re: Ethernet connections for mainframes
Message-ID: <313@ll-xn.ARPA>
Date: Thu, 24-Apr-86 15:43:02 EDT
Article-I.D.: ll-xn.313
Posted: Thu Apr 24 15:43:02 1986
Date-Received: Sun, 27-Apr-86 05:06:01 EDT
References: <1104@uwmcsd1.UUCP> <169@brl-sem.ARPA>
Distribution: net
Organization: MIT Lincoln Laboratory
Lines: 25
Summary: Spartacus K200