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A comment on IBM introduces z15 mainframe. Parent comment

Re:IBM introduces z15 mainframe by bogomipz on Sunday September 15, 2019 @12:45PM (#20978093)
Oh interesting so ITA is really just a retail front-end for TPF then? I guess I was misinformed about it as well.
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Re:IBM introduces z15 mainframe by tyingq on Sunday September 15, 2019 @01:04PM (#20978196)
The customers shop using ITA. The ITA shopping engine gets schedules, inventory and updates inventory from/to the backend (often TPF).

The shopping engine itself isn't trivial. ITA has the best shopping engine available.

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Re:IBM introduces z15 mainframe by mruts on Sunday September 15, 2019 @12:50PM (#20978129)
I was under the impression that ITA used exclusively Common Lisp to inplement their software. I could be wrong, though.
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Re:IBM introduces z15 mainframe by lispm on Sunday September 15, 2019 @03:25PM (#20979007)
Other parts were written other languages. ITA also used languages like C++ (reported to be roughly 50% of the line count for QPX) and Java (for RES).
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