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Date:      Sun, 25 Jun 1995 16:23:55 -0400
From:      Garrett Wollman <wollman@halloran-eldar.lcs.mit.edu>
To:        Bruce Evans <bde@zeta.org.au>
Cc:        bde@freefall.cdrom.com, pete@puffin.pelican.com, current@freebsd.org
Subject:   Re: cvs commit: src/sys/i386/isa sio.c
Message-ID:  <9506252023.AA17317@halloran-eldar.lcs.mit.edu>
In-Reply-To: <199506251918.FAA05169@godzilla.zeta.org.au>
References:  <199506251918.FAA05169@godzilla.zeta.org.au>

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<<On Mon, 26 Jun 1995 05:18:32 +1000, Bruce Evans <bde@zeta.org.au> said:

> I've been complaining about this for a year or two.  I think it is because
> tcp/ip wasn't designed for bidirectional interface.  My standard benchmark
> is:

This is simply not true.

> This takes about twice as long as would separate rcp's because acks get
> queued behind large amounts of data and arrive too late to keep the data
> streaming.

This is because you don't have priority queueing for TCP ack packets.
You probably will before the end of the year.

-GAWollman

--
Garrett A. Wollman   | Shashish is simple, it's discreet, it's brief. ... 
wollman@lcs.mit.edu  | Shashish is the bonding of hearts in spite of distance.
Opinions not those of| It is a bond more powerful than absence.  We like people
MIT, LCS, ANA, or NSA| who like Shashish.  - Claude McKenzie + Florent Vollant



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