PING
Downloading the root
57:41
In this episode of PING, APNIC’s Chief Scientist, Geoff Huston, discusses the root zone of the DNS, and some emerging concerns in how much it costs to service query load at the root. In the absence of cacheing, all queries in the DNS (except ones the DNS system you ask is locally authoritative for anyway) have to be sent through the root of the DNS, to find the right nameserver to ask for the…