On May 19 there were a few messages reporting that the IETF Secretariat services were unavailable over IPv6. After researching this with the service provider, it appears that recent changes in IPv6 peering arrangements is the root cause. Working with the IETF Administrative Director, new proposals for improved IPv6 availability are currently under review. We will keep you updated as we continue to work on this issue. NeuStar Secretariat Services _______________________________________________ IETF-Announce@ietf.org https://www1.ietf.org/mailman/listinfo/ietf-announce