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I would imagine most of that AWS colo is for hybrid cloud products (Direct Connect/Outposts/etc.). It’s obviously possible but seems unlikely they would run an availability zone in a space unless they had complete and exclusive control over the physical plant.

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They use exclusive sections of an existing colo provider facilities, often called data suites or data halls at least in Australia, where the 3 AZs are split between numerous commercial colo facilities.

They get enough control through their contracts to make sure the hosting provider provides exactly what they need to spec.

Interesting! Thanks for the info!

Yeah, this is correct. You usually buy these in minimum sizes of about 1MW.

Yeah, you can see the Direct Connect locations here: https://aws.amazon.com/directconnect/features/

Those mean AWS has networking gear in those locations. You order a cross connect and plug into one of their switches.

When you walk around in one of those places, you also typically see racks of AWS gear in a smallish cage with lots of hard drives. Typically a CDN pop.

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