On 31-Jan-23 01:15, Robert Kisteleki wrote:
The idea here is

   - I have a host in a "home network" that has 2 ISPs, with a global IPv6
     address from each of them

   - one of the ISPs fails, but the host does not know, and keeps using
     the "broken" IPv6 source address

   - by cyclic measurements, Brian's tool will see "nah, that address stopped
     working" and will de-preference it on the host -> host starts using the
     other IPv6 source address -> connectivity restored (over the other ISP)

and the test envisioned would be "ping something willing to be pinged" :-)

Yes that's fine, there could be $reasons to do more measurements! :)

Thanks. And Gert's summary is just perfect. It may be a day or two for
personal reasons, but I will post my code to github after a few more tweaks.

   Brian Carpenter

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