<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Oct 5, 2021, at 10:32 AM, Jean St-Laurent via NANOG <<a href="mailto:nanog@nanog.org" class="">nanog@nanog.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta charset="UTF-8" class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><ol start="1" type="1" style="margin-bottom: 0cm; margin-top: 0cm;" class=""><li class="MsoListParagraph" style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;">If you have some DNS working, you can point it at a static “we are down and we know it” page much sooner,</li></ol></div></div></blockquote><br class=""></div><div>At the scale of facebook that seems extremely difficult to pull off w/o most of their architecture online. Imagine trying to terminate >billion sessions.</div><div><br class=""></div><div>When they started to come back up and had their "We're sorry" page up- even their static png couldn't make it onto the wire.</div><div><br class=""></div></body></html>