Eric A. Hall wrote: >>>In general you are right, but in practical terms, there isn't much >>>difference between 20, 200 or 2000 TLDs, as long as they don't also >>>introduce, say, a billion phones to the service network. >>> >>> >>no. a few hundred million hosts using (on average) two dozen popular TLDs >>will generate twice the load on the roots as the same number of hosts using >>(on average) a dozen popular TLDs. >> >> > >That only holds true if the number of queries also doubles. > False. The caching system means that the roots don't pay per query; they pay per cache miss--and the number of cache misses is going to be roughly proportional to the number of TLDs. -- /===========================================================\ |John Stracke |jstracke@centivinc.com | |Principal Engineer|http://www.centivinc.com | |Centiv |My opinions are my own. | |===========================================================| |We must be devious, cunning, inventive... too bad we're us.| \===========================================================/