> Does anyone have pointers to data on what sort of se(r)ver load the root > servers currently face? And, especially, how this compares to what they > can stand? (Not to mention how we calculate the latter...) see rfc's 2010 and 2870, as well as http://root-servers.org/. testing methodology to ensure 3X headroom is: (1) wait for a DDoS and measure it; (2) repeat.