On 23 May 2016 at 14:24:55, Jen Linkova (furry13@gmail.com) wrote: On Mon, May 23, 2016 at 2:15 PM, Nico CARTRON <nicolas@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 Could it be related to the special port (5000) you’re using?