RE: No 5250-based applications

For the definitive answer to your interactive/batch workload questions,
check out the iSeries Performance Capabilities Reference manuals at
http://publib.boulder.ibm.com/pubs/html/as400/online/chgfrm.htm


John Taylor
Canada


> -----Original Message-----
> From: owner-midrange-l@midrange.com
> [mailto:owner-midrange-l@midrange.com]On Behalf Of Neil Palmer
> Sent: Wednesday, April 25, 2001 8:35 PM
> To: MIDRANGE-L@midrange.com
> Subject: Re: No 5250-based applications
>
>
> I haven't been following this thread in detail, but I believe there has
> been discussion on what requires the Interactive performance feature.
> I asked Brian Podrow this morning, and his answer was "anything that uses
> a display file".  I asked specifically about a "batch" program that
> acquired a display device, and he said if it used a display file it would
> "invoke the wrath of the Interactive 5250 gods and be treated as an
> Internative program" (my words, not his).  The exception being anything
> run at the console - which is allowed.  I asked specifically whether it
> was just jobs at the console that were allowed, or any ONE interactive
> job, regardless of where it was running from.  He thought ONE job
> would be
> allowed, whether from the console or not, but wasn't 100% certain.
>
> ...Neil
>
>
>
>
>
> "Peter Dow" <pcdow@yahoo.com>
> Sent by: owner-midrange-l@midrange.com
> 2001/04/25 20:20
> Please respond to MIDRANGE-L
>
>
>         To:     <MIDRANGE-L@midrange.com>
>         cc:
>         Subject:        Re: No 5250-based applications
>
>
> From: "Nathan M. Andelin" <nathanma@haaga.com>
> > When I reach that point, I want the HTML user interface to offer
> performance
> > and productivity comparable to it's 5250 counterpart.  I think that's
> > possible, but depends partly on IBM.  It takes more CPU, memory, and
> > bandwidth to generate an HTML data stream.
> >
> > This may be the heart of the Interactive vs. Batch debate.  If
> I develop
> a
> > Web application that offers functionality comparable to it's 5250
> > counterpart, but requires hardware that's 20 times more expensive to
> support
> > the same number of users, then people will stick with the 5250
> application.
> >
> > Or will they?  Developers and end-users may simply migrate to hardware
> that
> > offers better price vs. performance for Web applications.  How many
> iSeries
> > shops that have favored Windows over OS/400 for Web development?  Would
> that
> > explain the reliability concerns and higher development cost?
>
> This sounds very similar to DOS vs Windows. How many DOS (i.e 5250) apps
> are
> still being used? The number of Windows platforms out there certainly
> seems
> to indicate people prefer GUI. I recently helped replace a DOS app with a
> Windows/AS400 app because the customer felt that their seasonal temporary
> employees would be able to learn it faster, and because it can show more
> information in a single screen than a 24x80 or 25x132 screen. And so far,
> hardware prices have been dropping fast enough to make it affordable.
>
> Regards,
> Peter Dow
> Dow Software Services, Inc.
> 909 425-0194 voice
> 909 425-0196 fax
>
>
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