What even is a mainframe? I’ve been involved in software and infrastructure for 20+ years, I understand data centres, servers, services, microservices, databases, HA/SPOF, clusters and all the cloud equivalents, but never came across a mainframe. It’s almost a legend – are mainframes a real thing? What do/did they do? What’s happening to them? Where are they?
In: Engineering
Mainframes [https://en.wikipedia.org/wiki/Mainframe_computer](https://en.wikipedia.org/wiki/Mainframe_computer) evolved into supercomputers [https://en.wikipedia.org/wiki/Supercomputer](https://en.wikipedia.org/wiki/Supercomputer). Physical computer servers are a small shared general use networked computer that cover a small part of what mainframes do. Virtual servers are the new cloud components that everyone uses in AWS, Azure and other cloud data centers.
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