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NTP Reflections

Mirjam Kühne — Jan 22, 2014 10:10 AM

After the recent amplification attacks involving NTP servers, John Kristoff, a researcher with Team Cymru, kindly agreed to publish an analysis of the history and timeline leading up to the attacks. Please find his contribution below.

Tags: security » Read more

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The Many Instances of the L-root Name Server

Stéphane Bortzmeyer — Jan 20, 2014 04:50 PM

The Many Instances of the L-root Name Server The techniques used by the L-root DNS server are documented in RFC 7108 "A Summary of Various Mechanisms Deployed at L-Root for the Identification of Anycast Nodes". These techniques can be used by the RIPE Atlas probes to find the instance of L-root they are talking to.

Tags: root-servers, membership, dns, atlas, tools » Read more

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RIPEstat 2013 Year in Review

Suzanne Taylor Muzzin — Jan 17, 2014 03:31 PM

RIPEstat 2013 Year in Review RIPEstat users saw a lot of changes throughout 2013, from support for new query types, such as countries and hostnames, to a completely revamped website. Below we summarise some of the most exciting advancements from the year, and give you a sneak peek of the things we think you might find useful in 2014. As always, please let us know what you think!

Tags: tools, statistics, ripestat » Read more

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New Seismograph Improvements and Other Features

Suzanne Taylor Muzzin — Jan 15, 2014 10:05 AM

New Seismograph Improvements and Other Features It has been a busy last quarter of 2013 for RIPE Atlas. Here you have an overview of the latest features and new functionality.

Tags: atlas, measurements, tools » Read more

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How Many RIPE Atlas Probes Can Resolve IPv6-only Domain Names?

Stéphane Bortzmeyer — Jan 13, 2014 09:05 AM

Each RIPE Atlas probe has at least one DNS resolver, indicated by a DHCP reply on the local network of the probe. Irrespective of the IP address of the resolver, this server may have IPv4 and IPv6 connectivity or only IPv4 connectivity. What is the percentage among RIPE Atlas probes?

Tags: measurements, dns, ipv6, atlas, tools » Read more

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RIPE Atlas 2013 Year in Review

Michela Galante — Jan 10, 2014 01:40 PM

RIPE Atlas 2013 Year in Review The RIPE NCC wishes to thank all members of the RIPE Atlas community for their participation and support. This includes RIPE Atlas probe hosts, anchor hosts, sponsoring organisations, ambassadors, users and all RIPE NCC members who support this activity. Below we describe the major achievements and changes implemented in 2013.

Tags: atlas, measurements, tools » Read more

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Infrastructure Geolocation - Plan of Action

Emile Aben — Dec 19, 2013 11:25 AM

Infrastructure Geolocation - Plan of Action At RIPE 67 we presented our ideas on infrastructure geolocation. We received positive feedback for developing this idea. This article shows the current thinking on how to develop router geolocation further. Any feedback will be appreciated.

Tags: atlas, geolocation, routing » Read more

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Proposing Making RIPE Atlas Data More Public

Vesna Manojlovic — Dec 17, 2013 12:15 PM

Proposing Making RIPE Atlas Data More Public RIPE Atlas is now three years old, and is moving from a prototype to production service. Based on our experience so far, observing typical usage and listening to user feedback, we suggest opening up the publication of measurement data further. In this article we aim to clarify the current situation regarding privacy, and ask for community input about our suggested plan to move forward.

Tags: atlas, measurements, tools » Read more

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Are We Ready to Switch Off IPv4?

Marco Hogewoning — Dec 13, 2013 10:39 AM

At the RIPE 67 meeting in Athens, Greece, the RIPE IPv6 Working Group ran a little experiment to test the feasibility of an IPv6-only network and to identify challenges in user experience. While the results were highly encouraging, they indicated that there is still work to be done before IPv4 can be switched off once and for all.

Tags: ipv6 » Read more

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Subtitling E-Learning Videos in Your Own Language

Mirjam Kühne — Dec 12, 2013 03:00 PM

We would like your help for a planned project to create subtitles for our e-learning videos in multiple languages.

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