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Date:      Fri, 14 Apr 1995 19:57:31 -0700 (PDT)
From:      Poul-Henning Kamp <phk@ref.tfs.com>
To:        rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes)
Cc:        julian@TFS.COM, freebsd-hackers@FreeBSD.org
Subject:   Re: Just how fast can we go... (was: Re: SCSI target)
Message-ID:  <199504150257.TAA19418@ref.tfs.com>
In-Reply-To: <199504150243.TAA02395@gndrsh.aac.dev.com> from "Rodney W. Grimes" at Apr 14, 95 07:43:37 pm

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> [cc: trimmed to hackers, seems the best place, since we are talking
> about both scsi and 100MB/sec ether :-)]
> > 
> > > 
> > > > 
> > > Well, with 100MB/S ethernet support now being a reality TCP/IP over
> > > SCSI only has an advantage for *wide* scsi controllers.
> > weeeellll, no, there are advandages in being able to transfer
> > 128KB of scatter-gather data in one hit with NO
> > cpu intervention..... :)
>
> ...
> 
> The 21040/21140 chips are bus master just like a scsi controller, and
> can infact do some very large scatter-gather's in there own right.

But you are still limited to the packet-size on the 100mb net...

-- 
Poul-Henning Kamp <phk@login.dknet.dk> -- TRW Financial Systems, Inc.
'All relevant people are pertinent' && 'All rude people are impertinent'
=> 'no rude people are relevant'



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