BGP Anycast will let you dynamically route traffic into multiple front-end load balancers - this is how GSLB is usually done. Needs an ASN and a decent chunk o

BGP Anycast will let you dynamically route traffic into multiple front-end load balancers - this is how GSLB is usually done. Needs an ASN and a decent chunk of PI address space, though, so not exactly something a random startup will ever be likely to play with.