Comment by crmd
The US Federal Reserve uses IBM MQ for the FedNow interbank settlement service that went live last year.
Architecture info: https://explore.fednow.org/resources/technical-overview-guid...
The US Federal Reserve uses IBM MQ for the FedNow interbank settlement service that went live last year.
Architecture info: https://explore.fednow.org/resources/technical-overview-guid...
Likely implies z/OS is common on both sides. Given the stakes and availability needs not a bad choice.