Why no IPv6-only day (Was: Protocol-41 is not the only tunneling protocol)

[jfesler at gigo.com (Jason Fesler)]

> But anyway, just consider it: a portion of the major websites go
> IPv6-only for 24 hours. What happens is that well, 99% of the populace
> can't reach them anymore, as the known ones are down, they start calling
> and thus overloading the helpdesks of their ISPs.

Won't happen this year or next.  Too much money at stake for the web 
sites.  Only when IPv4 is single digits or less could this be even 
remotely considered.  Even the 0.05% hit for a day was controverial at 
$dayjob.