>> One could logically assume that if a caching server is within a >> certain radius of a node geographically, they are likely able to >> route to it (country boundaries/geography may change this, but I did >> say roughly). > > This assumption is what leads folks to do what Pingdom has done. It > is a common mistake to assume network topology matches geo-political > topology. In many case, regulatory regimes, business rules, > etc. result in the exact opposite.
my favorite is that some root server operators intentionally limit bgp announcement scope, so it does not even follow net topology, let alone geo. randy _______________________________________________ dns-operations mailing list [email protected] https://lists.dns-oarc.net/mailman/listinfo/dns-operations dns-jobs mailing list https://lists.dns-oarc.net/mailman/listinfo/dns-jobs
