[dns-wg] Elimination of 2nd level ccTLD domain names
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Brad Knowles
brad at stop.mail-abuse.org
Thu Oct 21 15:05:12 CEST 2004
At 2:24 PM +0200 2004-10-21, Piet Beertema wrote: >> The ISO is going to run out of potential two-letter ccTLDs pretty >>soon. Two letters only give you 676 possible combinations and there are >>already almost 300 countries. > > Which means the number of countries could more than double before > ISO would start running into troubles. Uh, no. Re-read that message again. I'm talking about clustering of names around certain common sequences of characters. Unless you want to hand out the ccTLDs in a totally random fashion, they will start running into collision problems much sooner than that. Most hashing algorithms start having problems when they get close to 50% full. There's no difference here. -- Brad Knowles, <brad at stop.mail-abuse.org> "Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." -- Benjamin Franklin (1706-1790), reply of the Pennsylvania Assembly to the Governor, November 11, 1755 SAGE member since 1995. See <http://www.sage.org/> for more info.
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