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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 @01:34PM (#20978358)
Is there a way to reconcile these two above responses? They seem to be very different answers. Are these both options that a customer can choose from?
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Re:IBM introduces z15 mainframe by monocasa on Sunday September 15, 2019 @05:55PM (#20979703)
Yeah, it sounds like they rewrote it piece by piece to run on different architectures.

Really similar to having a big monolith, and taking pieces out chunk by chunk rewritten to run as microservices until you're left with a new codebase with no sign of the original monolith or any of it's code.

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