[atlas] New measurement target suggestion: 6to4 anycast

Dear All,
 	6to4 should not used any longer. However it would be nice to see 
how 6to4 usage decreasing over the time....

Janos Mohacsi
Head of HBONE+ project
Network Engineer, Deputy Director of Network Planning and Projects
NIIF/HUNGARNET, HUNGARY
Key 70EF9882: DEC2 C685 1ED4 C95A 145F  4300 6F64 7B00 70EF 9882

On Wed, 21 Dec 2011, Roman Mamedov wrote:

> Hello,
>
> I'd like to suggest adding to the list of monitored addresses a new one:
>
>  192.88.99.1 - 6to4 anycast IPv4 to IPv6 gateway;
>
> https://en.wikipedia.org/wiki/6to4
> https://tools.ietf.org/html/rfc3068
>
> This could provide interesting data on what percentage of networks have this address blocked/inaccessible (resulting in broken operation of 6to4), and also what is the average latency to the closest 6to4 gateway across various countries/regions.
>
> The next step would possibly be the collection of statistics which ASes 'see' whose 6to4 gateways, this can be inferred from the AS of the traceroute hop that is right before the 192.88.99.1 on the trace.
>
> -- 
> With respect,
> Roman
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> "Stallman had a printer,
> with code he could not see.
> So he began to tinker,
> and set the software free."
>