> >> :: It seems solvably operationally, by asking ISPs to point their > >> :: IPv4-only subscribers at an ISP-operated DNS server which > >> :: purposefully breaks AAAA responses (returns empty answer), and > >> :: to point their dual-stack subscribers at an ISP-operated DNS > >> :: server which functions normally. > > [jjmb] Solvable perhaps, however, there are operational > > impacts that are > > non-trivial. Not to mention provisioning and in some cases > > financial implications. > > +1 > > It would probably cost be far more money to roll out this separate DNS > server view, have folks monitor it and troubleshoot it, test > and certify it in the lab, etc. than just calling and fixing > the "broken" users.
There is a way for the ISP to detect IPv6-broken users? (Who can then be called and convinced to fix whatever is broken.) -d _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop