> Deployments, N+1 redundancy, HA etc None of those things are mutually exclusive with vertical scaling? Having two identical servers for redundancy is doesn'

> Deployments, N+1 redundancy, HA etc None of those things are mutually exclusive with vertical scaling? Having two identical servers for redundancy is doesn't mean you are scaling horizontally (assuming each can handle the load individually, nothing better than discovering that that assumption was incorrect in an outage).