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Technology Stocks : 2000: Y2K Civilized Discussion -- Ignore unavailable to you. Want to Upgrade?

To: flatsville who wrote (439)	8/29/1999 12:48:00 PM
From: B.K.Myers	Read Replies (1) \| Respond to of 662

flatsville, I believe that most organizations are using windowing. I have worked on Y2K projects for four different organizations. Only one organization used expansion exclusively. This is the project that I feel best about. This organization also has the fewest external interfaces of the Y2K projects that I have worked. Two organizations used windowing exclusively. But, not all of their date fields were two digit year fields. Only the older systems were Y2K susceptible. Their newer systems either used a full four-digit year for new date fields, or used an internally written date equivalent field (good until late 21st century). One organization used a combination of three different methods, expansion, windowing and encapsulation. This organization has a lot of external interfaces and had to use agreed upon interface standards. This is the Y2K project that I was most concerned about. So, based on my experience, I would say that between 50 and 60 percent on large mainframe applications are using windowing. Windowing is also used in many PC applications. MS Excel for example uses windowing to determine the century when users enter 2 digit years, and the horizon date is different in different versions of Excel. Is that choice peculiar to certain types of businesses or sectors? I believe that you will find that windowing was used by organizations that either started late or have very old DP systems (particularly organizations with large systems). B.K.