v4 versus v6 -- who connects faster?

Bajpai, Vaibhav v.bajpai at jacobs-university.de
Tue May 24 10:10:00 CEST 2016


> On 24 May 2016, at 09:56, Jared Mauch <jared at puck.nether.net> wrote:
> 
> Vaibhav,
> 
>> On May 24, 2016, at 3:51 AM, Bajpai, Vaibhav <v.bajpai at jacobs-university.de> wrote:
>> Let me stress this again. This is a toy! Not only because the web 
>> interface is crappy, but also because the dataset is miniscule. 
>> Although the dataset has a very good coverage of dual-stacked 
>> vantage points, the sample size is very small (1 sample / probe). 
>> This provides a very small peak into the performance of a website.
> 
> Welcome to the “if it links, ship it” aspect of releasing tools
> on the internet.
> 
>> As you know, I have been doing long-term v6 performance measurements 
>> from (although a smaller set of) 80 SamKnows probes. The 3-year 
>> long trend shows that performance towards www.facebook.com has 
>> dramatically improved over time. Using this sample (as of today),
>> I don’t see www.facebook.com to be slower over IPv6. 
>> 
>> I created this toy to show that RIPE Atlas can be used to provide 
>> such a service. I decided to showcase to you because I wanted to 
>> learn if there is interest in having such a service.
>> 
>> With the amount of positive feedback I have received in a single
>> day, I’ll be happy to spend cycles to run this measurement for
>> a longer duration. This will require also blessing from the RIPE NCC 
>> because the project will cross all sorts of rate thresholds :-)
> 
> I’m happy to support you on the atlas lists and such.  Will you be
> presenting at the MAT WG as well this week?

Thanks! 

Yes: https://ripe72.ripe.net/programme/meeting-plan/mat-wg

>> With permission from RIPE NCC, let me run this every hour from all
>> probes for at least a week and then we should look at the results.
>> At this point, just play with it, but please don’t use it to declare 
>> any website faster or slower.
> 
> I’ve sent you some credits to get you started on some longer term 
> measurements. I’d be interested in finding some way to filter out
> things like google.com vs google.co.uk etc as you are likely measuring 
> the same sites and hosts.

Thanks!

Yes, SamKnows measurements show that www.google.* and www.blogspot.* 
usually tends to hit the same CDN or a web cache. It should suffice to 
run against one member of each set alone.

> - Jared

Best, Vaibhav

===================================
Vaibhav Bajpai
www.vaibhavbajpai.com

Room 91, Research I
School of Engineering and Sciences
Jacobs University Bremen, Germany
===================================


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