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Wolfgang Nagele

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Website: http://wnagele.com

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Large-scale PCAP Data Analysis Using Apache Hadoop

The RIPE NCC operates various data intensive services. As part of our DNS operations we have been operating K-root since 1997. A key to the stable operation of this service is a solid understanding of the traffic it responds to and how it evolves over time. With the success and growth of the Int…

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17

DNSSEC Deployment Today

The RIPE NCC has been signing its zones since 2005. Other operators waited for the root to be signed. And signing the root zone in June 2010 clearly encouraged others to deploy DNSSEC. In this article we describe the status of those zones maintained by the RIPE NCC and give an overview of the globa…

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8

Analysis of Increased Query Load on Root Name Servers

After we observed increased query load on the root name severs recently, we did some investigation and analysis which is described in the article below.

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6

Increased Query Load on Root Name Servers

We experience an increased query load on K-root, the root server operated by the RIPE NCC. See below some analysis and graphs showing the traffic on K-root and other root servers.

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9

Phase out of Reply-Size Tester

Back in December 2009 we released a tool with which you can test your DNS resolver for possible issues with a DNSSEC signed root zone. Now that the root zone has been signed in production since 15 July 2010 we will stop this service on Monday, 11 October 2010.

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