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ipv6_cat

Schrödinger’s IPv6 Cat

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Hisham Ibrahim

13 min read

IPv6, a protocol developed in the late 1990s to address the anticipated Internet address exhaustion crisis, exists in a paradoxical state. For some, while its adoption might have taken longer than expected, it represents a success story - steadily expanding in deployment and enabling more users and…

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baltic sea cable cuts

Does the Internet Route Around Damage? - Baltic Sea Cable Cuts

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Emile Aben

10 min read

This week's Internet cable cuts in the Baltic Sea have been widely reported, even as attempts to understand their cause and impact continue. We turn to RIPE Atlas to provide a preliminary analysis of these events and ask to what extent the Internet in the region has been resilient to them.

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internet not web

Distinguishing the Internet’s Core From What Is Built on Top

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Hisham Ibrahim

5 min read

The Internet is not social media, nor the web, nor your favourite app. In fact, it’s not even the digital economy or the communication tools we’ve all come to rely on. The Internet is something deeper, a foundational network of networks that has quietly powered the digital age for over 40 years.

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Lead Image IfS #03

IXP-from-Scratch: The Peering LAN

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Thomas Liske

13 min read

In the third of our “IXP from Scratch” series, we discuss our setup of the peering switches and route servers at DD-IX, an Internet Exchange located in Dresden, Germany. We explain how we connect our two PoPs and which security and safety mechanisms (L2 and L3) we configured to ensure reliable oper…

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Lead Image IfS #02

IXP-from-Scratch: Network and Security Design

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Thomas Liske

11 min read

In the second of our “IXP from Scratch” series, we introduce network and security design decisions as well as implementations we made at DD-IX, an Internet Exchange in Dresden, Germany. In principle, an IX consists of a single broadcast domain, but in practice it has to operate several services sec…

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Lead Image IfS #1

IXP-from-Scratch: Building a New IX

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Thomas Liske

5 min read

In this new series "IXP from Scratch", we report about our endeavor of building DD-IX, an Internet Exchange located in the city of Dresden, Germany. DD-IX is driven by a grassroots community that loves contributing to a resilient and efficient Internet. We start with some basic background and will …

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atlas_amsix_cover

Does the Internet Route Around Damage? - Edition 2023

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Emile Aben

5 min read

On 22-23 November 2023, the Amsterdam Internet Exchange (AMS-IX) had an outage on their Amsterdam peering platform. As this is generally considered one of the largest IXPs on the planet, we looked into this event from the perspective of RIPE Atlas to see what it had to tell us about the robustness …

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route_around

Does The Internet Route Around Damage? - Edition 2021

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Emile Aben

7 min read

On 23 March 2021, LINX London experienced an outage. As this is one of the very large Internet Exchange Points, this is an interesting case to study in more depth in order to see what we can learn about Internet robustness.

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Does The Internet Route Around Damage in 2018?

Does The Internet Route Around Damage in 2018?

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Emile Aben

6 min read

On the night of 9 April 2018, DE-CIX Frankfurt experienced an outage. As this is one of the largest Internet Exchange Points, this is an interesting case to study in more depth to see what we can learn about Internet robustness. We plan to update this article if new information/corrections flow in.

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Does the Internet Route Around Damage? A Case Study Using RIPE Atlas

Does the Internet Route Around Damage? A Case Study Using RIPE Atlas

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Emile Aben

11 min read

The Internet has a robust infrastructure that was designed to route around damage. But how well does it do this? We use RIPE Atlas to look at how large-scale disruptions in the Internet's core infrastructure affect end-to-end connectivity on the Internet.

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