North American Network Operators Group

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Re: IPv6 news

  • From: Stephane Bortzmeyer
  • Date: Mon Oct 17 07:59:49 2005

On Mon, Oct 17, 2005 at 12:08:38PM +0100,
 [email protected] <[email protected]> wrote 
 a message of 28 lines which said:

> There are 437 cities of 1 million or more population. There are
> roughly 5,000 cities of over 100,000 population. And there are
> 3,047,000 named communities in the world. 
> Seems to me that the number of routes in the global routing
> table should logically be closer to 5,000 than to 3,000,000.

If there is an exchange point per city over 100,000 (the route goes to
the IXP and then to the actual provider)... Otherwise, there is a flaw
in your calculation.