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From: Matt Mackall <mpm@selenic.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: "Richard B. Johnson" <root@chaos.analogic.com>
Subject: RLE (was Re: Transparent compression in the FS)
Date: Thu, 16 Oct 2003 18:03:02 -0500	[thread overview]
Message-ID: <20031016230302.GV5725@waste.org> (raw)
In-Reply-To: <Pine.LNX.4.53.0310151404020.7746@chaos.lucky.linux.kernel>

On Wed, Oct 15, 2003 at 01:19:09PM -0400, Richard B. Johnson wrote:

> JMODEM was done in 1989 as stated. RLE was invented my ME in 1967
> and was first used for a digital telemetry link between the Haystack
> research facility in Groton, Mass. and MIT's main campus. I was a
> technician there during my senior year at Northeastern. Whether or
> not it was patented by others is immaterial.

S.W. Golomb. Run-length encoding. IEEE Trans. on Information Theory, 
12(3), July 1966.

I'm sure there are earlier instances, but this is one that is commonly
cited. I expect we can find coding theory stuff back to the at least
the mid-40s with the formalization of regular expression theory and
Kleene closures.

-- 
Matt Mackall : http://www.selenic.com : Linux development and consulting

       reply	other threads:[~2003-10-16 23:03 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.53.0310151404020.7746@chaos.lucky.linux.kernel>
2003-10-16 23:03 ` Matt Mackall [this message]
2003-10-17 13:47   ` Richard B. Johnson

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