<html><head><meta http-equiv="Content-Type" content="text/html charset=gb2312"><meta http-equiv="Content-Type" content="text/html charset=gb2312"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">No. I just surprised and got refresh on my understanding of root anycast in countering load challenge. <div class=""><br class=""></div><div class=""><div class="">Davey</div><div class=""><br class=""><div class=""><div class=""><blockquote type="cite" class=""><div class="">在 2015年12月1日，12:45，Bill Woodcock <<a href="mailto:woody@pch.net" class="">woody@pch.net</a>> 写道：</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="content-type" content="text/html; charset=utf-8" class=""><div dir="auto" class=""><div class="">Do you have a better alternative to suggest?<br class=""><br class=""> <div class=""> -Bill</div><div class=""><br class=""></div></div><div class=""><br class="">On Dec 1, 2015, at 07:43, Song Linjian (Davey) <<a href="mailto:songlinjian@gmail.com" class="">songlinjian@gmail.com</a>> wrote:<br class=""><br class=""></div><blockquote type="cite" class=""><div class=""><meta http-equiv="Content-Type" content="text/html charset=gb2312" class=""><br class=""><div class=""><blockquote type="cite" class="">No. It isolates the attack. Taking overwhelmed servers down will<br class="">resulting in cascading failures.<br class=""></blockquote></div><div class=""><br class=""></div>So you mean the resilience of Root system is achieved by isolating the attacks, in another word, by abandoning some attacked regions? <div class=""><br class=""></div><div class="">It dose not sound like a positive counter measure. IMHO. If Google or Amazon experience such kind of attack, will they “isolate” their costumers?<br class=""><div class=""><br class=""></div><div class="">Davey</div><div class=""><br class=""><div apple-content-edited="true" class="">
<div style="letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">------------------------------</div><div style="letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Davey Song(宋林健)<br class="">BII Lab<br class=""><a href="mailto:songlinjian@gmail.com" class="">songlinjian@gmail.com</a><br class=""><br class=""></div></div>
</div>
<br class=""></div></div></div></blockquote><blockquote type="cite" class=""><div class=""><span class="">_______________________________________________</span><br class=""><span class="">dns-operations mailing list</span><br class=""><span class=""><a href="mailto:dns-operations@lists.dns-oarc.net" class="">dns-operations@lists.dns-oarc.net</a></span><br class=""><span class=""><a href="https://lists.dns-oarc.net/mailman/listinfo/dns-operations" class="">https://lists.dns-oarc.net/mailman/listinfo/dns-operations</a></span><br class=""><span class="">dns-jobs mailing list</span><br class=""><span class=""><a href="https://lists.dns-oarc.net/mailman/listinfo/dns-jobs" class="">https://lists.dns-oarc.net/mailman/listinfo/dns-jobs</a></span></div></blockquote></div></div></blockquote></div><br class=""><div apple-content-edited="true" class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">------------------------------</div><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Davey Song(宋林健)<br class="">BII Lab<br class=""><a href="mailto:songlinjian@gmail.com" class="">songlinjian@gmail.com</a><br class=""><br class=""></div></div>
</div>
<br class=""></div></div></div></body></html>