I worked at an adtech company where we invested a bit in HA across AZ + regions. Lo and behold there was an AWS outage and we stayed up. Too bad our customers didn't and we still took the revenue hit.
Lesson here is that your approach will depend on your industry and peers. Every market will have their won philosophy and requirements here.
Lesson here is that your approach will depend on your industry and peers. Every market will have their won philosophy and requirements here.