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A comment on The mainframe is alive and thriving. Parent comment

Re:The mainframe is alive and thriving by 908B64B197 on Thursday March 11, 2021 @12:55PM (#26426899)
> Basically, rather than handling redundancy in software, they have a ton of hardware-level redundancy to get the high uptime #s.

But at what cost? Instead of getting suppliers to out-bid one another you are now stuck in a single supplier situation. [0] Building the redundancy in software allows you to run on commodity hardware that can be purchased from anyone.

[0] https://www.gwern.net/Complement

[ Parent | on HN ]
Re:The mainframe is alive and thriving by closeparen on Thursday March 11, 2021 @01:03PM (#26426998)
Writing a cloud-native distributed system for everything is not free; software development is a bigger expense than raw capacity for many use cases.
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