On 10/20/2011 08:59 AM, Ole Troan wrote:
> Jim,
>
>> 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.
> from a 6to4 router perspective you have no idea. the return relays are not
> under your control.
> nor are they under your ISPs control.
Ah, point made (as far as I'm concerned). Dave?
> in the homenet context you also need border discovery for this function. as
> you really do not want to
> enable it on all internal routers. (in the case of global v4 addressing).
>
> but seriously, just remove it from the build.
>
This I disagree with; 6to4 is seriously useful in certain environments
(like mine). Having it present can be useful, having it on by default,
is problematic. Unless/until we can fully automate something else I want
it available.
- Jim
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