They have their own datacenters, telco infra etc b/c if Amazon, Azure or GCP goes down they want to be able to say:
"They all went down but PagerDuty alerts still went out to our clients".
In other words, there are examples where managing your own infra IN ADDITION to using cloud services is adding extra tolerance for giant failures in the tech suppliers.
They have their own datacenters, telco infra etc b/c if Amazon, Azure or GCP goes down they want to be able to say:
"They all went down but PagerDuty alerts still went out to our clients".
In other words, there are examples where managing your own infra IN ADDITION to using cloud services is adding extra tolerance for giant failures in the tech suppliers.