>> :: 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. Jason _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop