[atlas] Satellite based "last mile" and Atlas probes

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Stephen Strowes sds at ripe.net
Fri Apr 23 10:51:32 CEST 2021

On 23/04/2021 09:11, Robert Kisteleki wrote:
>> This gives you the list of probes that have a last-mile median RTT 
>> (endpoint_type=LM&median__gte=495) higher than 495ms:
>> https://ihr.iijlab.net/ihr/api/network_delay/?timebin=2021-04-21T00%3A15&endpoint_type=LM&median__gte=495 
>>
>
> I suspect Stephen will soon offer a self-service alternative using 
> BigQuery any minute now :-)


Sure, why not. Maybe something like this:

https://gist.github.com/sdstrowes/cb67ca755c50bbb2f23ce384750f2048

- take all yesterday's traceroutes
- pick out only hops <= 2 that weren't errors or timeouts
- calculate quantiles for those per probe/af/hop, and also count how 
many traceroutes ran
- retain only those probe/af/hop rows with a median RTT >= 495 and `n` 
traceroutes > 100


Cheers,

S.

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