Option to Deploy Across Multiple Regions / Data centres

I was on the call during the week. I would like a way to deploy across multiple regions. e.g have 2 Moodle deployments in an active/active set up e.g one in North Europe and one in West Europe. The aim is to make sure that the set up is always on. So if the Data centre in North Europe goes down it will fall back to the one in West Europe and vice-versa. What is the projected uptime for the Maximal deployment? Many thanks and happy to work with you.