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Is This
The End of Tape?
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Mainframes have relied on tape for decades. However
technological advances now give mainframe users an alternative:
a mainframe without any tape.
This issue we look at
tape, and see if it's time to go, or here to stay.
In our technical section, we look at re-entrant
programs: what they are, why and when they're needed,
and how to create them.
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Finally, we look at how
best to move applications from a mainframe, from a mainframer's
perspective.
We hope you enjoy this month's issue of LongEx Mainframe
Quarterly.
management: Is This The
End of Tape?
In past years there was no choice: mainframe sites needed
tape. However improvements in disk and virtual tape technologies
today offer ways to run a tapeless mainframe. So is this the
end of tape?
...more
technical: Understanding
Re-Entrant Programming
Program long enough, and sooner or later you’ll need
to write a re-entrant program. But what is a re-entrant program,
and how do you make one?
..more
opinion: How to Move
Off the Mainframe: A Mainframe Perspective.
If you're thinking or planning to move applications off the
mainframe, the chances are that the last people you'll tell
are your mainframe technical staff.
Mainframers can be passionate about their platform. You'll
be concerned that they'll be against you from the start. That
they'll lecture to anyone they can corner about why the project
will surely fail, and how everything must stay on the mainframe
for the organisation's survival. You'll be afraid that they'll
be surly and difficult in project meetings, abrupt with people
commissioning the new platform, and do anything they can to
slow the project down. And you may very well be right.
..more
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