Resilience within a provider.
WHAT A REGION IS
A geographic location containing facilities.
WHAT AN AVAILABILITY ZONE IS
An isolated facility within a region, with independent power and networking.
WHY THEY EXIST
A failure in one should not affect another.
WHAT THAT ENABLES
Running across several, so one failure does not stop service.
WHAT IT COSTS
More resources, and complexity.
WHAT MOST SMALL BUSINESSES NEED
A single location, with good backups.
WHAT TO UNDERSTAND
A single instance in one place is not resilient.
If that is acceptable, fine. Know that it is the position.
WHAT PROVIDERS' COMMITMENTS COVER
Usually the platform, not your single resource within it.
Read what the commitment actually promises.
WHAT TO CONSIDER
What outage duration you can tolerate.
Most small businesses tolerate more than they assume.
WHAT TO ARRANGE INSTEAD OF COMPLEXITY
Backups you can restore quickly, elsewhere.
