<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">On 23 May 2016 at 14:32:59, Nico CARTRON (<a href="mailto:nicolas@ncartron.org">nicolas@ncartron.org</a>) wrote:</div> <div><blockquote type="cite" class="clean_bq" style="font-family: Helvetica, Arial; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;"><span><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div></div><div><div id="bloop_customfont" style="font-family: Helvetica, Arial; font-size: 13px; color: rgb(0, 0, 0); margin: 0px;">On 23 May 2016 at 14:24:55, Jen Linkova (<a href="mailto:furry13@gmail.com">furry13@gmail.com</a>) wrote:</div><div><blockquote type="cite" class="clean_bq" style="font-family: Helvetica, Arial; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;"><div><div><span>On Mon, May 23, 2016 at 2:15 PM, Nico CARTRON <nicolas@ncartron.org> wrote:<span class="Apple-converted-space"> </span><br>> Here [a] is a toy v6 service I came up with during the RIPE<span class="Apple-converted-space"> </span><br>> Atlas hackathon over this weekend. Thought I share this along:<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> [a] http://goo.gl/hbzbwD<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> You enter a dual-stacked website (ALEXA top 10K) and it shows<span class="Apple-converted-space"> </span><br>> you the difference in TCP connect times over v4 and v6 as seen<span class="Apple-converted-space"> </span><br>> by all dual-stacked RIPE Atlas probes (~1.3K probes). You can<span class="Apple-converted-space"> </span><br>> also filter the visualisation from a specific origin-AS. This<span class="Apple-converted-space"> </span><br>> additional filter can be useful to view performance towards a<span class="Apple-converted-space"> </span><br>> website from a specific origin-AS (say DTAG).<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Disclaimer: This is an outcome of a 1.5d long hackathon project.<span class="Apple-converted-space"> </span><br>> As such, the codebase is possibly inundated with bugs. Please<span class="Apple-converted-space"> </span><br>> don’t see it as a production service :-)<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Nice job, congratulations.<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Out of curiosity, I tried accessing it from the NAT64 Wifi network at<span class="Apple-converted-space"> </span><br>> RIPE72,<span class="Apple-converted-space"> </span><br>> and http://dragon.eecs.jacobs-university.de:5000 seems not to work for some<span class="Apple-converted-space"> </span><br>> reason.<span class="Apple-converted-space"> </span><br>> Thoughts?<span class="Apple-converted-space"> </span><br><br><br>1) Does it work from the dual-stacked network?<span class="Apple-converted-space"> </span></span></div></div></blockquote></div><p>Yes it does.</p><p><br></p><div><div><blockquote type="cite" class="clean_bq" style="font-family: Helvetica, Arial; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;"><div><div><span>I'm seeing significant<span class="Apple-converted-space"> </span><br>packet loss on wireless right now, on both dual-stacked and v6-only<span class="Apple-converted-space"> </span><br>network,<span class="Apple-converted-space"> </span><br>so it might the reason<span class="Apple-converted-space"> </span></span></div></div></blockquote></div><p>Possibly.</p><p><br></p><div><div><blockquote type="cite" class="clean_bq" style="font-family: Helvetica, Arial; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;"><div><div><span>2) how exactly does it fail? DNS resolution/connection timeout?<span class="Apple-converted-space"> </span></span></div></div></blockquote></div><p>Nope, DNS resolution works fine:</p><p>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2934</p><p>;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2</p><p><br></p><p>;; QUESTION SECTION:</p><p>;dragon.eecs.jacobs-university.de. IN A</p><p><br></p><p>;; ANSWER SECTION:</p><p>dragon.eecs.jacobs-university.de. 277 IN A 212.201.49.38</p></div></div></div></div></span></blockquote></div><p>My mistake, with AAA it’s better:</p><p>;; QUESTION SECTION:</p><p>;dragon.eecs.jacobs-university.de. IN<span class="Apple-tab-span" style="white-space:pre"> </span>AAAA</p><p><br></p><p>;; ANSWER SECTION:</p><p>dragon.eecs.jacobs-university.de. 107 IN AAAA<span class="Apple-tab-span" style="white-space:pre"> </span>2001:638:709:3000::3a</p><div><br></div><p><br></p><div><div><blockquote type="cite" class="clean_bq" style="font-family: Helvetica, Arial; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;"><span><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><p>Could it be related to the special port (5000) you’re using?</p></div></span></blockquote></div><p>I confirm what Jen said, there’s noting listening on 5000 over IPv6.</p><div></div></div></body></html>