> looks like this is also affecting other prefixes: Many of our prefixes are only announced to peers in the metro they originate in. Please stop obsessing about this detail; it's not the problem.
> I understand that FB is using some type of DNS > geo-loadbalancing and other mechanism to redirect users to > (possibly) nearer mirrors. We target traffic two ways. One is relatively traditional dns global load balancing, using the resolver ip. The other method---which steers the vast majority of our traffic---vends urls that send people to a specific PoP based on their client ip. It appears you're having a targeting problem. Please reach out to our NOC to get support. -- dsp
