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6to4 - Why is it so Bad?

Emile Aben — Mar 21, 2011 12:15 PM

6to4 - Why is it so Bad? In a previous article we measured that a large percentage of 6to4 connections fail. In this article we show our attempts to find out why these connections fail.

Tags: measurements, ipv6 » Read more

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New and Improved RIPE Registry Global Resource Service

Paul Palse — Mar 21, 2011 10:30 AM

We have redesigned and improved the way we mirror other databases. We now have a method of translating the operational data from other registries (for instance from other Regional Internet Registries or the RADb) into the RIPE Database structure.

Tags: tools, database » Read more

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Ensuring Registry Data Quality

Xavier Le Bris — Mar 08, 2011 12:25 PM

Ensuring Registry Data Quality In order to ensure accurate and up to date registration data, the RIPE NCC started the Registry Data Quality project in 2009. The article below describes this activity and the problems we found and how we fixed them.

Tags: measurements, ipv4 » Read more

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Network Complexity and How to Deal with it

Michael Behringer — Mar 01, 2011 11:10 AM

Network Complexity and How to Deal with it This article, prompted by a panel discussion at the RIPE 61 Meeting, describes the most significant implications of network complexity and suggests ways to deal with it. This is a topic that requires more work and a lot of input from network operators. We hope you’ll work with us to advance this subject.

Tags: routing » Read more

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Caidagram: Visualising Geographically Annotated Internet Measurements

Claudio Squarcella — Feb 28, 2011 10:45 AM

Caidagram: Visualising Geographically Annotated Internet Measurements Caidagram is a tool developed at CAIDA (the Cooperative Association for Internet Data Analysis). It allows the user to visualise geographically-based measurements about the Internet, focusing on trends and variations over time.

Tags: measurements, tools » Read more

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RIPEstat Live Demo #2

Mirjam Kühne — Feb 22, 2011 01:55 PM

This article summarises the second RIPEstat demo session that took place today, 22 February 2011.

Tags: tools, ripestat » Read more

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First Impressions of Pollution in Two RIPE NCC Darknets

Manish Karir — Feb 21, 2011 09:40 AM

First Impressions of Pollution in Two RIPE NCC Darknets We partnered with several Regional Internet Registries (RIRs), including the RIPE NCC, to examine what traffic is going to unallocated IP address ranges. In this particular case, we looked at traffic going to 5/8 and 37/8.

Tags: measurements, ipv4, routing » Read more

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Members and Number Resources, One Year Later

Rene Wilhelm — Feb 17, 2011 04:20 PM

Last year, in a series of two articles, we presented statistics on the number of RIPE NCC members and the resources distributed to our members. With twelve months passed, we revisit the topic and look at how things evolved in 2010.

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Create, Update and Delete via the RESTful Web Services

Paul Palse — Feb 15, 2011 02:50 PM

When we started developing the RIPE Database API and the accompanying RESTful web services, we first implemented the "Read" service. The RESTful web services now also support Create, Update and Delete functionalities. Not only did we implement these methods, but we also introduced some workflow refinements that should make programmatic interaction with the RIPE Database much easier, taking away some of the common aches of the way the legacy "Mail" and "Sync" update interfaces work.

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Three Case Studies on the Egyptian Disconnection

Claudio Squarcella — Feb 15, 2011 09:30 AM

Roma Tre University presents three analyses related to the recent events in Egypt, proving interesting behavior in relation to the observed disconnection. We use tools like BGPlay and iBGPlay, developed for the visualisation of BGP dynamics.

Tags: tools, routing » Read more

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