<div dir="ltr"><div dir="ltr"><br></div><div class="gmail_quote"><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">The so-far technical details for authoritative are on:<br>
<br>
<<a href="http://dnsflagday.net/#action-authoritative-dns-operators" rel="noreferrer" target="_blank">http://dnsflagday.net/#action-authoritative-dns-operators</a>><br><br></blockquote><div><br></div><div>I got it. Different from Flag day of EDNS, Flag day for TCP seems having more mandatory pressure on resolver other than authoritative server if they do not update. Non-compliant authoritative serve stay in the same situation suffered from IPv6 fragmentation issue. Their situation become better by following the same pace of resolvers' change. So the flag day model for authoritative is acceptable. They join and benefit. They quit and stay the same. <br><br>OK. I got a good clue to explain to my Chinese colleagues at least for authoritative server operators. I think the fake news on ZDNET causing the major panic. It is a shame for them.<br></div><div><br></div><div>Davey </div></div></div>