[ipv6-wg] v4 versus v6 -- who connects faster?
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Nico CARTRON
nicolas at ncartron.org
Mon May 23 14:35:50 CEST 2016
On 23 May 2016 at 14:32:59, Nico CARTRON (nicolas at ncartron.org) wrote: On 23 May 2016 at 14:24:55, Jen Linkova (furry13 at gmail.com) wrote: On Mon, May 23, 2016 at 2:15 PM, Nico CARTRON <nicolas at ncartron.org> wrote: > Here [a] is a toy v6 service I came up with during the RIPE > Atlas hackathon over this weekend. Thought I share this along: > > [a] http://goo.gl/hbzbwD > > You enter a dual-stacked website (ALEXA top 10K) and it shows > you the difference in TCP connect times over v4 and v6 as seen > by all dual-stacked RIPE Atlas probes (~1.3K probes). You can > also filter the visualisation from a specific origin-AS. This > additional filter can be useful to view performance towards a > website from a specific origin-AS (say DTAG). > > Disclaimer: This is an outcome of a 1.5d long hackathon project. > As such, the codebase is possibly inundated with bugs. Please > don’t see it as a production service :-) > > Nice job, congratulations. > > Out of curiosity, I tried accessing it from the NAT64 Wifi network at > RIPE72, > and http://dragon.eecs.jacobs-university.de:5000 seems not to work for some > reason. > Thoughts? 1) Does it work from the dual-stacked network? Yes it does. I'm seeing significant packet loss on wireless right now, on both dual-stacked and v6-only network, so it might the reason Possibly. 2) how exactly does it fail? DNS resolution/connection timeout? Nope, DNS resolution works fine: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2934 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2 ;; QUESTION SECTION: ;dragon.eecs.jacobs-university.de. IN A ;; ANSWER SECTION: dragon.eecs.jacobs-university.de. 277 IN A 212.201.49.38 My mistake, with AAA it’s better: ;; QUESTION SECTION: ;dragon.eecs.jacobs-university.de. IN AAAA ;; ANSWER SECTION: dragon.eecs.jacobs-university.de. 107 IN AAAA 2001:638:709:3000::3a Could it be related to the special port (5000) you’re using? I confirm what Jen said, there’s noting listening on 5000 over IPv6. -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.ripe.net/ripe/mail/archives/ipv6-wg/attachments/20160523/40769a14/attachment.html>
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