On 10/20/2011 08:22 AM, Lorenzo Colitti wrote:
> On Wed, Oct 19, 2011 at 22:34, Jim Gettys <[email protected]
> <mailto:[email protected]>> wrote:
>
> On 10/19/2011 03:43 AM, Ole Troan wrote:
> > you aren't helping things work better by doing 6to4.
> > please disabled by default, if you absolutely want to support it
> at all, hide it somewhere under the Wizard menus.
>
>
> +1. Please read Geoff Huston's data that shows the 12-20% failure rate
> of 6to4, and then please disable it. :-)
Yes, his data was taken just before/as Comcast put its relays into
production; it's not what we see on that network. Before then, almost
all traffic went through some poor server in Wisconsin, as I remember.
It sucked.
There is a self fulfilling prophesy here: if no one has decentr elays,
then 6to4 is never usable, and then we should deprecate it. If it is
deprecated, why should anyone put in 6to4 relays?
Be that as it may, I suspect we should be more clever about whether it
gets turned on automatically or not, maybe by whether the address is
from an address range where we have some evidence of decent relays being
available.
- Jim
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