Network Operations

Experimental NAT64/DNS64 Service

Raimundas Tuminauskas

• 1 Jun 2011

• 2 min read

The Lithuanian research and education network LITNET has introduced the NAT64/DNS64 service at the TERENA Networking Conference (TNC2010) last year, and it has been running ever since. The main feature of NAT64/DNS64 is that it can not only be used as a usual NAT, but as a meeting point between tw…

0

When Does World IPv6 Day Start?

Emile Aben

• 31 May 2011

• 4 min read

World IPv6 Day is on 8 June 2011. On this day, a lot of organisations, including some of the most popular ones like Google, Yahoo and Facebook, are going to provide IPv6 addresses for AAAA queries for their websites. This will make content available over IPv6 for one full day. Since DNS responses a…

0

4

World IPv6 Day - IPv6 Eye Chart

Emile Aben

• 27 May 2011

• 3 min read

The RIPE NCC is doing some measurements for World IPv6 Day. One of them is the IPv6 eye chart, a web page that allows you to test your connectivity to selected dual-stacked web sites and World IPv6 participants. The goal is to see if an end user has connectivity problems to dual-stacked websites. T…

ipv6
tools

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3

IPv6 CPE Survey Results - May 2011

Marco Hogewoning

• 23 May 2011

• 8 min read

A couple of months ago we announced that we were going to redo the IPv6 CPE survey. Based on your feedback, a real survey was released at the end of April 2011. So far we have received over 100 responses. We'll keep the survey open to gather more information, but for now we would like to share some…

ipv6

0

6

RIPE NCC Measurements for World IPv6 Day

Emile Aben

• 11 May 2011

• 6 min read

As announced earlier, the RIPE NCC is going to measure World IPv6 Day. This article details the measurements we intend to do.

0

6

Using the ‘Maximum Length’ Option in ROAs

Alex Band

• 19 Apr 2011

• 4 min read

In the resource certification system you specify your routing policy via Route Origin Authorization (ROA) objects. One of the options you can set is the ‘Maximum Length’, which specifies the maximum length of an IP address prefix that the AS is authorised to advertise. In this article we will analy…

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4

Resource Certification Web Validator Released

Alex Band

• 13 Apr 2011

• 3 min read

We have just released the RIPE NCC Resource Certification Web Validator. It will allow you to validate a Route Origin Authorisation (ROA) file against the RIPE NCC Trust Anchor through a web form, either online or locally.

rpki
routing

0

Resource Certification Statistics

Alex Band

• 11 Apr 2011

• 5 min read

Since we started providing the certification service on 1 January 2011, many LIRs made use of the service. In this article you can see some graphs showing the number of certificates in place today, as well as certified address space.

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1

Unsolicited Internet Traffic from Libya

Emile Aben

• 23 Mar 2011

• 7 min read

Amidst the recent political unrest in the Middle East, researchers have observed significant changes in Internet traffic and connectivity. In this article we tap into a previously unused source of data: unsolicited Internet traffic arriving from Libya. The traffic data we captured shows distinct c…

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6

6to4 - Why is it so Bad?

Emile Aben

• 21 Mar 2011

• 8 min read

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.

0

3

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