I recently wrote a little on this https://generalresearch.com/detail-oriented/how-to-seed-a-cl...

While we're completely at the mercy of datacenters that we can colo out racks / power / upstreams from, it's a worthy discussion for any technology company that wants some amount of digital sovereignty over their presence online and ability to provide their service independent of a hypervisor / cloud provider (or even just a centralized location).

The best option is simply to anycast from any many distinct countries that are either neutral, or unlikely to be involved with any global or regional conflicts at any given time. You don't want them getting bombed at the same time!