Debate over new top-level domains drags on

Seven years after dot-biz opened as a competitor to dot-com, the Internet Corporation for Assigned Names and Numbers (ICANN) is getting ready to simplify the creation of more generic top-level domains -- perhaps thousands of them.

ICANN has been consulting on how best to increase the number of top-level domains (TLDs), a process that continues at its public meeting in Paris this week. A draft policy document could be submitted to the organization's board for approval as early as this Thursday.

The domain name system began in 1985 with just a handful of generic top-level domains (gTLDs) -- .com, .edu, .gov, .mil, .net and .org -- and two-letter country code top-level domains (ccTLDs). They were used to broadly categorize Internet addresses: Companies had addresses ending in .com, the military in .mil, the French in .fr, and so on.

In 2001, those first domains were joined by .aero, .biz, .coop, .info, .museum and .name -- and later by others including .asia, .jobs, .pro and .travel. The youngest gTLD, .tel, announced on Monday that it will accept registrations for its combined DNS (domain name system) and phonebook in three waves beginning Dec. 3.

Some of those new domains have distinct functions: .aero is open only to companies in the aviation industry, while .museum predictably accepts registrations only from museums.

Others, though, operate in parallel with the .com domain, and multinational companies that previously backed up their .com domain name with registrations in .org, .net and dozens of country domains to protect their brands online now feel compelled to make defensive registrations in .info or .biz too.

That illustrates one of the criticisms often levelled at ICANN's plans: While .biz and .info were said to open up new opportunities for businesses whose preferred name in the .com domain was already registered by someone else, they are now often seen as just one more checkmark on the list of domains in which businesses must register their name. For instance, apple.info, rather than providing information about fruit or fruit growing, is simply another site belonging to computer manufacturer Apple, which already owns apple.com, apple.fr and many similar names.

The cost to businesses of multiple defensive registrations can be enormous: It is said that the largest U.S. companies now spend half a million dollars a year each on domain name protection -- but those figures are "hugely low" according to J. Scott Evans, Yahoo's senior legal director of global brand and trademarks.

While there are more than 70 million .com domains registered, according to a recent Verisign domain report, some new gTLDs have attracted relatively few registrations.

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