From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267984AbUJDTVd (ORCPT ); Mon, 4 Oct 2004 15:21:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268487AbUJDTVM (ORCPT ); Mon, 4 Oct 2004 15:21:12 -0400 Received: from 213-239-205-147.clients.your-server.de ([213.239.205.147]:19103 "EHLO debian.tglx.de") by vger.kernel.org with ESMTP id S267984AbUJDTNL (ORCPT ); Mon, 4 Oct 2004 15:13:11 -0400 Subject: Re: [PATCH / RFC] Shared Reed-Solomon ECC Library From: Thomas Gleixner Reply-To: tglx@linutronix.de To: Bill Davidsen Cc: Linux Kernel Mailing List In-Reply-To: <41619B74.8070802@tmr.com> References: <1096670893.25635.41.camel@thomas> <41619B74.8070802@tmr.com> Content-Type: text/plain Organization: linutronix Message-Id: <1096916727.21297.445.camel@thomas> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Mon, 04 Oct 2004 21:05:27 +0200 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2004-10-04 at 20:50, Bill Davidsen wrote: > > the attached patch contains a shared Reed-Solomon Library analogous to > > the shared zlib. > > One use would be very reliable CD/DVD for backup. I believe there's a > freshmeat project which addresses this problem, but a reliable optical > device certainly sounds easy using this approach. Most data storage devices use RS codes for data integrity, including CD/DVD/HD devicesm but the ECC mechanisms are built into the device itself. Modems and wireless communication devices use similar but more complex techniques based on polynomial encoding/decoding. tglx