Agreed. If they go as far as randomly disabling AWS nodes to test their own resilience I'd be shocked if they didn't have some sort of contingency for if AWS went completely belly-up. Who knows, they could even have Azure nodes on standby in case AWS in its entirety went down?

Everyone should have a cloud provider total-outtage strategy. You should atleast control the ability to move DNS if everything in said cloud provider is out.

Well, your question is not uncommon for people having little experiences developing and operating large distributed systems.

But I can guarantee you, if Netflix can, they already did, so to make them in a position better negotiate price with AWS.

You seriously think there is a provider somewhere sitting on 20 empty datacenters with all the hardware procured and hooked up just waiting on an off chance Netflix might switch?

I don't think the AWS datacenters would disappear in thin air either.

Well neither would warehouses and other infrastructure they built but that was not the premise that is being discussed.

You realize most of Netflix is not in AWS right?

You realize that netflix is using up over 20% of aws capacity and as cool as having your own cdn is there is not much purpose in it without the part that runs on AWS.

The part that runs in AWS could just as easily run on bare metal. Stack Overflow does it, Backblaze does it, Github does it; I'm so disappointed in this tired trite that your a special snowflake running in AWS.

Yes it would run even better but it would take a few years to do the buildout.

Nothing is going disappear overnight.. AWS iaas services are commodity and not something so unique that are not replaceable with products from other cloud vendors

At Netflix scale they are not replaceable by other vendors because other vendors do not have enough capacity to accommodate Netflix migration.

Can you provide information as to how much capacity Netflix would need to migrate? Otherwise, this comment has no basis in reality.

there are estimates that netflix is consuming about 20% of AWS. AWS does not publish a list of DCs but from regions and AZs you can put a lower bound estimate at 40 so it would be anywhere from 8 DCs to whatever the upper bound is (I guesstimated 20)