[ipv6-wg] [atlas] What to do with RIPE Atlas probes that have only a ULA as IPv6 address?

On Thu, 26 Mar 2015 13:12:52 +0100
Peter Koch <pk at DENIC.DE> wrote:

> On Thu, Mar 26, 2015 at 10:24:54AM +0100, Pier Carlo Chiodi wrote:
> 
> > behind an IPv6 NAT box. It also allows to have statistics on ULA usage.  
> 
> Atlas should be used as an Internet measurement tool, not as a reconnaissance
> mechanism for the hosts' networks. ULA only equals "no IPv6" in my opinion.

This is still within the scope of determining "are we on the Internet".

If the probe only has an ULA, but gets a default (or a 2000::/3, etc) route,
and a connection request to a GUA IP succeeds, then yes we are, nonwithstanding
through which perverse NAT66 means the host has chosen to provide the
connectivity.

-- 
With respect,
Roman
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