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I would quibble with your use of "fortress" in this context. In my experieince, Rochester had to erect defences to prevent the mainframe powerhouse from steamrollering them into oblivion.


Jon P.

On Aug 13, 2023, at 10:00 AM, Patrik Schindler <poc@xxxxxxxxxx> wrote:

Hello Jack,

Am 13.08.2023 um 15:53 schrieb Jack Woehr via MIDRANGE-L <midrange-l@xxxxxxxxxxxxxxxxxx>:

The complexity stems from

- its being the oldest operating system in common current use, and
- the promise that everything would run forever

I'm very aware. Backwards compatibility is blessing and curse at the same time.

On the other hand, in the arena of tooling for modernization, z/OS surpasses that which we enjoy in the IBM i world.

I have a feeling that the Mainframe world isn't as secretive as IBM i, which gave IBM Rochester the additional name "fortress". More openness can result in increased competition (as IBM has faced with Amdahl, Fujitsu and others) but also can bring the platform forward as a whole, once a critical mass of contributors creates the technical-social equivalent of an accretion disk.

:wq! PoC

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