Message-ID: <3E1CFC98.FDFDB24C@procsys.com>
Date: Thu, 09 Jan 2003 10:07:44 +0530
From: "Eshanye.K.P" <esha@procsys.com>
MIME-Version: 1.0
To: Black_David@emc.com
CC: ips@ece.cmu.edu
Subject: Re: need info regarding checksum algorithm
References: <277DD60FB639D511AC0400B0D068B71E0564C706@corpmx14.us.dg.com>
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Hi,

Sorry for the confusion, actually i meant the CRC of the frame before EOF
occurs..  Thank you all for the info.

Esha

Black_David@emc.com wrote:

> Esha,
>
> That's a confused question, as nothing comes before SOF (S = Start).
> The answer to the question I think you intended to ask is that
> Fibre Channel uses a standard CRC for each frame, and of course
> it's documented in the relevant Fibre Channel standards.
> See T11's web site (www.t11.org) for more.
>
> Thanks,
> ----------------------------------------------------
> David L. Black, Senior Technologist
> EMC Corporation, 176 South St., Hopkinton, MA  01748
> +1 (508) 293-7953 **NEW**     FAX: +1 (508) 293-7786
> black_david@emc.com        Mobile: +1 (978) 394-7754
> ----------------------------------------------------
>
> > -----Original Message-----
> > From: Eshanye.K.P [mailto:esha@procsys.com]
> > Sent: Tuesday, January 07, 2003 11:41 PM
> > To: owner-ips@ece.cmu.edu; ips@ece.cmu.edu
> > Subject: need info regarding checksum algorithm
> >
> >
> > Hello,
> >
> > Need some information. FC data traffic contains the checksum
> > before SOF.
> > Can anybody tell me which is the algorithm generally used by the FC
> > world for this. Is it Fletcher Checksum - RFC 905 or Nakassis for
> > optimized computation of checksum - RFC 1008.  Does any standard (like
> > FC-FS or any scsi standard) talk about this ?
> >
> > Regards
> > Esha
> >