A run on your cloud

Almost 10 years ago Simon Wardley wrote “A run on your cloud?“, describing the events that would naturally lead up to a shortage of cloud capacity. As cloud computers are other peoples computers, and you don’t actually own the instance(s) you are running on, the cloud provider will rent out more than his actual capacity as most usage will fall at different times. Overbooking the cloud.

This works fine, except when it doesn’t; if suddenly everyone wants to use the promised capacity, the provider will run out of hardware and this could quickly spread to other providers.

I am thinking of this as I am working from home and having meetings in Microsoft Teams. Teams is actually good at this, but of course this sudden shift in Europe caused issues in availability. I think Microsoft has handled it rather well.









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