https://techcrunch.com/2022/10/11/google-cloud-announces-dual-run-to-ease-mainframe-migration-to-cloud/

Believe it or not, there are still a fair number of large businesses that run on mainframe computers – yes, even in 2022. It may seem like a throwback from a time gone by, but it’s still a significant part of some enterprise computing stacks.

The question becomes, how can those companies move this data to the cloud without compromising essential business operations?