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Anycast vs. DDoS - Evaluating the November 2015 Root DNS Event

Anycast vs. DDoS - Evaluating the November 2015 Root DNS Event

Giovane Moura

3 min read

IP anycast has been widely used to replicate services in multiple locations as a way to deliver better performance and resilience. It has been largely employed by CDNs and DNS operators, such as on the root server system. However, there is little evaluation of anycast under stress.

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Connectivity in the LAC Region

Connectivity in the LAC Region

Mirjam Kühne

6 min read

Please enjoy this guest post by Agustín Formoso, Software Developer at LACNIC: Regional connectivity is not an easy metric to measure. To do it properly you need measurements generated by multiple vantage points, located in as many places as possible (both geographically and logically). Besides,…

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Using RIPE Atlas to Look at IXPs in Berlin

Using RIPE Atlas to Look at IXPs in Berlin

Mirjam Kühne

4 min read

The IXP country jedi tool described in earlier RIPE Labs articles, can also be used to analyse the situation in a specific city. This time we look at Berlin.

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10,000 LIRs with IPv6 Resources

10,000 LIRs with IPv6 Resources

Nathalie Trenaman

6 min read

This week, the RIPE NCC saw a milestone as the 10,000th Local Internet Registry (LIR) received IPv6 addresses. The first block of IPv6 addresses was allocated from IANA to the RIPE NCC in 1999, so we have been distributing IPv6 addresses for 17 years. In those years we have seen interesting poli…

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A Tale of Using Public DNS Servers in Iran — Part 3

A Tale of Using Public DNS Servers in Iran — Part 3

Babak Farrokhi

8 min read

Following my research on DNS reachability and performance, I found interesting results for specific domain names.

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RIPE NCC Members and Multiple LIR Accounts

RIPE NCC Members and Multiple LIR Accounts

Laura Cobley

7 min read

The RIPE NCC membership has raised concerns regarding members setting up additional Local Internet Registry (LIR) accounts. The RIPE NCC Executive Board is now asking the RIPE NCC membership to discuss this. The article below provides some background information, data and statistics for the discuss…

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A Tale of Using Public DNS Servers in Iran — Part 2

A Tale of Using Public DNS Servers in Iran — Part 2

Babak Farrokhi

8 min read

This is the second part in a series of articles looking at the use of DNS servers in Iran. For the second part I will continue measuring performance and reachability for two more sets of DNS resolvers: TIC and Verisign.

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A Tale of Using Public DNS Servers in Iran — Part 1

A Tale of Using Public DNS Servers in Iran — Part 1

Babak Farrokhi

4 min read

While most Internet users are not aware of the importance of DNS resolution in their overall web browsing experience, they often complain about shortage of bandwidth when experiencing sluggish Internet connectivity. It is no surprise that most of the service providers also ignore this fact by re…

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Christmas Gift Idea: Some IPv6 Experience

Christmas Gift Idea: Some IPv6 Experience

Marco Hogewoning

4 min read

The holiday season is rapidly approaching and this year is coming to a close, another one done and another one that seen some great and wonderful and also unfortunately some sad moments. One of those key moments was the depletion of the IPv4 pool in the ARIN region, which for some probably means…

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Looking at France-IX with RIPE Atlas and RIS

Looking at France-IX with RIPE Atlas and RIS

Emile Aben

8 min read

This article describes our recent collaborations with France-IX on collecting data plane and control plane Internet data with RIPE Atlas and the RIPE NCC's Routing Information Service (RIS).

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