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RIPE Atlas

Mihnea-Costin Grigore — Oct 2010
This page contains all information related to the active measurements network, RIPE Atlas.

Learn more about the RIPE Atlas active measurements network.

You can also find a collection of use cases, reviews and other articles written by RIPE Atlas users.

Using RIPE Atlas to Measure Latency to Reunion Island
Using RIPE Atlas to Measure Latency to Reunion Island
Réhan NOORDALLY — 11 Apr 2017

Internet connectivity is not fairly distributed around the world, in particular for islands or isolated areas. For instance, connectivity to and from the Reunion Island is mainly based on links to France located about 10,000 km away. This causes long delays and degraded Internet service. In this article, we investigate the performance of the Internet connectivity by analysing delay and path properties from and to La Reunion.… Read more

Using RIPE Atlas to Validate International Routing Detours
Using RIPE Atlas to Validate International Routing Detours
Anant Shah — 30 Jan 2017

International routing detours are paths that originate in one country, visit another country and return to the original country. Such circuitous routes could occur due to intentional traffic engineering, lack of local peering, BGP misconfigurations, or even attacks. Detecting such events helps network engineers to diagnose problems. … Read more

The Next 42 RIPE Atlas Probes at Hackerspaces
The Next 42 RIPE Atlas Probes at Hackerspaces
Vesna Manojlovic — 28 Dec 2016

In this article, we give one example of the possible communities that are now easier to build around RIPE Atlas probes. With the tagging of similar probes, existing communities can use additional tools for creating and analysing RIPE Atlas measurements, such as "IXP Country Jedi", to create their own interpretation of the available data. We are hoping this is going to be an inspiration to the reader, and an invitation to play with the results and improve on the code. … Read more

Preparing for the 2016 Leap Second
Preparing for the 2016 Leap Second
Stephen Strowes — 15 Dec 2016

On 31 December this year, we're scheduled for another leap second. There are many stories about what leap seconds can do to infrastructure and applications, and rituals are built up around them. Such rituals stem from reality: leap seconds trigger poorly-tested code paths and run contrary to assumptions that system time always runs in one direction. It's useful to be aware of how your infrastructure handles leap seconds and how NTP servers handle them, so you can plan around the event. Here, we look at some of the NTP measurements the RIPE Atlas platform took around the last leap second, and approaches for handling them.… Read more

RIPE Atlas Success Story: Zoom-in on Germany
RIPE Atlas Success Story: Zoom-in on Germany
Vesna Manojlovic — 09 Dec 2016

Here is an example of how cross-pollination between two or more communities can create success. An overlap between IETF participants, RIPE Atlas users and listeners of a popular German podcast has led to growth in the deployment of RIPE Atlas probes (hardware devices that measure Internet infrastructure). We are still interested in expanding this platform in areas and networks that need more coverage. … Read more

Ambassador, You Are Spoiling Us
Ambassador, You Are Spoiling Us
Vesna Manojlovic — 01 Dec 2016

At the RIPE NCC, we are grateful for the contribution RIPE Atlas ambassadors make to the success of the RIPE Atlas measurements platform. In this article, we focus on a handy RIPEstat tool that can be used to visualise the results of their efforts. The tool provides a historical view of country-specific growth of RIPE Atlas probe numbers and allows for comparisons of up to four countries in the same graph. … Read more

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