Dear all, DNS-OARC has made a study on behalf of ICNN, examining the impact of DNSSEC deployment in the root zone and the effects on clients from the large DNS responses resulting from the use of a Deliberately Unvalidatable Root Zone (DURZ). This study is now available at http://icann.org/en/presentations/dnssec-root-zone-deployment-impact-analysi... See also http://icann.org/en/announcements/announcement-14apr11-en.htm Gabi