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Article #15534

Re: Need help selecting Ethernet cards for very high throughput rates.

#15534
From: david.e.wexelblat
Date: Thu, 29 Aug 1991 14:46
29 lines
2811 bytes
In article <1991Aug29.134749.5982@ctr.columbia.edu> bill@connection.prospect.com (Bill Poitras) writes:
> In article <1991Aug29.041708.29784@unislc.uucp> martin@unislc.UUCP (Martin Cryer,D1Z01,5754) writes:
> >I think you are asking too much of a timesharing O/S even with an EISA
> >PC to get sustained 6Mbytes/s. If you only want it for bursts, you
> >may have better luck.
> 
> Are you kidding?  I have seen 100Mbytes/s when ftping a file to a PS/2
> running AIX with a ESDI controller and 16 bit ethernet controller.  I can
> consitently get 20Mbytes/s.  Hell, I can get 11Mbytes/s sometimes to a PC
> running DOS.  This is a ISA machine with a 16bit RLL controller.  I don't
> see your problem.
> 
> +-----------------+---------------------------+-----------------------------+
> | Bill Poitras    | Polygen Corporation       | {princeton bu}!polygen!bill |
> |     (bill)      | Waltham, MA USA           | - This space for rent -     |
> |                 | FAX (617)890-8694         | bill@polygen.com            |
> +-----------------+---------------------------+-----------------------------+


Am I missing something here?  Isn't Ethernet a 10Mb/sec network?  How,
exactly, does one one 100Mbytes/sec over a medium that only supports
10Mb/sec?  Or are you using FDDI?  Or maybe I have no clue?


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David Wexelblat             | dwex@mtgzz.att.com    | I asked her her name.
AT&T Bell Laboratories      | ...!att!mtgzz!dwex    |   She said her name was
200 Laurel Ave - 4B-421     |                       |      'Maybe'
Middletown, NJ  07748       | (908) 957-5871        | --Damn Yankees
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Message-ID: <1991Aug29.144609.17384@cbnewsj.cb.att.com>
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References: <1991Aug27.192220.20958@world.std.com> <1991Aug29.041708.29784@unislc.uucp> <1991Aug29.134749.5982@ctr.columbia.edu>

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From: dwex@cbnewsj.cb.att.com (david.e.wexelblat)
Newsgroups: comp.protocols.tcp-ip,comp.protocols.tcp-ip.ibmpc,biz.sco.general,comp.unix.sysv386,comp.unix.wizards
Subject: Re: Need help selecting Ethernet cards for very high throughput rates.
Message-ID: <1991Aug29.144609.17384@cbnewsj.cb.att.com>
Date: 29 Aug 91 14:46:09 GMT
References: <1991Aug27.192220.20958@world.std.com> <1991Aug29.041708.29784@unislc.uucp> <1991Aug29.134749.5982@ctr.columbia.edu>
Organization: AT&T Bell Laboratories
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