RIPE Atlas user-defined measurements are here! Hosts and sponsors can begin creating personalised measurements from probes around the globe.
Have you ever wanted to check the reachability of a system from a remote location?
With RIPE Atlas user defined measurements (UDMs), you don't need to ask someone to test for you – you can do it yourself !
All RIPE Atlas hosts and sponsors have received credits (which can be used to run measurements) based on probe uptime. To access UDMs, either sign in to the RIPE Atlas website with your RIPE NCC Access credentials and click the 'UDMs' link at the top right, or – if you have already signed on – go directly to the UDMs page .
Figure 1: Example ping result from user-defined measurement
For the time being, we have created a fairly low rate limit, which we expect to increase over time.
Currently, you can schedule two simultaneous measurements to the targets of your choice, from up to ten probes. You can specify parameters like the area of the probes, IPv4 or IPv6, timing of the measurement, and type (currently ping or traceroute). And you need to have a sufficient number of credits!
For details on how to create a UDM, how the credit system works, limits, and other information, refer to the UDM documentation . Discussion and questions about UDM can be directed to the ripe-atlas mailing list.
If you are interested in learning more about UDM, or would like to talk to other people who are using UDM, consider joining us for a UDM "Birds of a Feather" (BoF) session at RIPE 64 in Ljubljana .
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Actually you can't run two concurrent measurements. I tried to have a ping and traceroute measurement with 10 probes each and the system told me I was over my 15k credits that I can use per day. I have waaay more credit in my account from my probe uptime but I can't use it.
Andreas Strikos •
Hi Sebastian, the normal behavior of the credit system is described here https://atlas.ripe.net/doc/udm#credit-system. But since this feature is fairly new we might have missed something. Could you send the details of your case in firstname.lastname@example.org and we will further investigate it. In general, the current limits are extremely conservative in order to protect RIPE Atlas from overload, particularly by fat fingers. If you have gained experience and wish to do specific things, send us a short mail to the above address describing what you want to do and we will raise your limits accordingly. In any case, please do not forget to mention your RIPE NCC access user name if it is different from the mail address you will send the emails. Regards, Andreas
Quels sont les avantages de la sonde dans un réseau ip?
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Mirjam Kühne •
Temanin, can you please post your question in English. Thanks.