Network Operations

Tags: dns routing security rpki ipv4 ipv6 transfers bgp peering internet infrastructure ntp

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Measuring DNS Transfer Sizes - First Results

Measuring DNS Transfer Sizes - First Results

Daniel Karrenberg

9 min read

Here are the first results of our DNS transfer size measurements. We are interested to determine any possible problems for users of K-root once it starts giving DNSSEC responses to resolvers that request them. DNSSEC responses are significantly larger than current responses. We are interested to le…

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2009 - The year before IPv6 took off?

2009 - The year before IPv6 took off?

Emile Aben

3 min read

We've done some measurements that show encouraging results.

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REX Supports IPv6

REX Supports IPv6

Daniel Karrenberg

3 min read

REX has been supporting queries on IPv6 addresses for a couple of weeks already. Some inquisitive users have already found out.

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Testing your Resolver for DNS Reply Size Issues

Testing your Resolver for DNS Reply Size Issues

Anand Buddhdev

6 min read

Some weeks ago, we installed a reply-size tester application at the global instances of K-root. We want to make this test available to more people, in an easy-to-use way. We have therefore written a Java application for this purpose.

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IPv6 Measurements - A Compilation

IPv6 Measurements - A Compilation

Mirjam Kühne

14 min read

This is the first part of the IPv6 measurements compilation - a list of IPv6 measurements conducted by various individuals and organisations.

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IPv6 Monitor - An Interview with Alain Durand

IPv6 Monitor - An Interview with Alain Durand

Mirjam Kühne

6 min read

During IETF 74, I sat down with Alain Durand to ask him to explain the type of IPv6 measurements he is doing at Comcast ( http://ipv6monitor.comcast.net ) together with the University of Pennsylvania ( http://mnlab-ipv6.seas.upenn.edu ).

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Preparing K-root for a Signed Root Zone

Preparing K-root for a Signed Root Zone

Andrei Robachevsky

4 min read

Earlier this year, ICANN and VeriSign announced plans to sign the DNS root zone, using DNSSEC. DNSSEC is a set of extensions to the DNS protocol which allow one to digitally sign the records in a zone and allow a client to verify the authenticity of these records.

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Untunneling IPv6

Untunneling IPv6

Franz Schwarzinger

5 min read

For more than five years now, the RIPE NCC has been measuring the number of native (no IPv4 transit) versus tunneled (IPv6 traffic whose path includes transit via IPv4 tunnels) IPv6 interconnections in the core of the Internet. These measurements have been conducted using the Test Traffic Measureme…

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