30 May
2007
30 May
'07
5:46 a.m.
On Wed, May 30, 2007 at 10:55:04AM +1200, Nathan Ward <nanog@daork.net> wrote a message of 56 lines which said:
Use Javascript, or flash, or some other fancy thing to do a GET for two files on two different servers as the page loads: a) http://ip6test.<domain>/file b) http://ip4test.<domain>/file
And then compare the hit-rate for the two.
Very good idea. But you should also log the TCP RTT for the two connections because a common failure is the fact that IPv4 goes straight to the server while IPv6 goes through a tunnel in Thailand or Brazil.