[96985] in North American Network Operators' Group
Testing IPv6 support on th client's machine (Was: NANOG 40 agenda posted
daemon@ATHENA.MIT.EDU (Stephane Bortzmeyer)
Wed May 30 05:47:20 2007
Date: Wed, 30 May 2007 11:46:14 +0200
From: Stephane Bortzmeyer <bortzmeyer@nic.fr>
To: Nathan Ward <nanog@daork.net>
Cc: nanog@nanog.org
In-Reply-To: <B194AB89-E3A1-46B7-9A04-3AC1631FB1C2@daork.net>
Errors-To: owner-nanog@merit.edu
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.
