Hacker News new | past | comments | ask | show | jobs | submit
superxpro12 | on: US FAA says it will phase out floppy disks from air traffic control by 2028
they did... it was just singly redundant. they would need double redundancy here. so 3 connections, not 2
alt227 | parent
Taking one connection out for maintenance and leaving only 1 live connection is not redundancy, it is a failed backup.

Redundancy is always having more than one live connection.