On Llu, 2005-10-24 at 09:51 -0400, Luben Tuikov wrote: > controls and how. Understanding how the factory workers use it and what > they expect. Understanding the code (which may not be as easy). Then it > is rewritten so that it can be easily supported and maintained. Very very rarely, because it means down time and supporting two systems at once. Take a look at the australian customs fiasco or the british passport office disaster to see why (actually almost any large government IT project where politics dictated 'write new stuff so I can announce it in parliament'). The smart factory update would occur piece by piece. Starting with the most pressing problems (ie fastest ROI) and working to a plan that ends up with the system modular and clean. You don't turn a steel plant off for a software upgrade. - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
