I think the key thing in this article is talking about compliance. “Customers can test that [the cloud workload] is performing as expected, that the dependenci

I think the key thing in this article is talking about compliance. “Customers can test that [the cloud workload] is performing as expected, that the dependencies check out and that they can meet their compliance/auditor needs before transitioning completely to the cloud environment,” Gupta said at the press event. The reason banks don't move away from mainframes is that they can't get identical results from other technologies in a way that can be certified by an independent auditor.