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deepsun parent
The most common cause of the outages right now is configuration errors. Even when procedurally they must be limited to AZ only, there is always some region-shared infrastructure that can bring down the whole region altogether.
deathanatos
"Configuration errors" — I'm going to include "bugs" in that —, IME, tend to be global outages more often than regional. If I recount the outages >AZ that I've seen, I think the most recent ones were:

  GCP, IAM (global; just like a week and a half ago!)
  GCP, VMs etc. (regional!¹)
  Azure, application GW (global)
  Cloudflare (global)
  Azure, IAM (global)
  Azure, IAM (global)
You can tell IAM is a point of weakness. (As it kinda must be.)

¹though I wasn't affected by this one, as it was in Europe.

everfrustrated
Notable you don't have AWS on that list.

AWS's definitions for AZ & Regions are by far the strongest in the industry.

GCP has AZ in the same physical complex. Azure Regions would be AZ's under AWS's definition.

timewizard
AWS had a console login issue a while back due to the default region being us-east-1. There are a handful of other services that are exclusively available in that region as well.

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