II. BIND behavior - dnsstat data 26 hours at 10 minute intervals from 14 august 2002 instrumented: e-root (california, us) i-root (stockholm, sweden) k-root (london, uk) m-root (tokyo, japan) f-root (california, us) a-root (va, us) need simultaneous runs on all participating servers need cooperation from US servers (2.5 non-US servers are quite forthcoming)