IPv6 Source Address Selection on Mac OS X Lion
gert at space.net
Fri Dec 16 19:13:18 CET 2011
On Fri, Dec 16, 2011 at 06:11:11PM +0000, Mark Blackman wrote:
> > On Thu, Dec 15, 2011 at 09:31:42AM -0800, Dan Wing wrote:
> >> It depends on your definition of "better". If your definition is
> >> "prefer IPv6", you are right that OSX Lion's algorithm fails. If
> >> your definition is "connect to whichever is fastest", OSX Lion's
> >> algorithm wins.
> > "consistent behaviour". And this is where Lion fails, because it
> > flip-flops back and forth between protocols even if nothing changes
> > in the network.
> Isn't this behaviour what Chrome does too?
on a network where IPv4 and IPv6 have the same (or close) RTTs, chrome
will *consistently* pick IPv6. Not "sometimes IPv6, sometimes IPv4".
The general idea of HE is good. HE-in-Lion a step backward.
have you enabled IPv6 on something today...?
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