Absolutely amazing how many billion $+ companies are single homed for DNS. I wonder how much they spend on multi-AZ redundant architectures...
So here's a weird question: Supposing companies multi-home for DNS, or whatever other essential service, via multiple service providers. Whatever multi-home means, why can't there just be one service provider that does that ? And are we sure that these service providers aren't already doing that as best we might hope for? (For instance, Amazon already has multiple zones, etc.) I suppose the one thing this can't prote…
Many of these outages are due to pushing broken artifacts or configuration to production.
A single provider can pretty easily offer geographic or network topological redundancy, but administrative and/or technological independence is pretty hard to achieve in a single company.