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Measuring QoE by Measuring TCP Connection Establishment Delay in a Service Provider Network

Measuring QoE by Measuring TCP Connection Establishment Delay in a Service Provider Network

Ali Norouzi

6 min read

I’ve created a traffic analyser to help network engineers detect issues related to quality of experience.

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Limiting the Power of RPKI Authorities

Limiting the Power of RPKI Authorities

Kris Shrishak

5 min read

In the beginning, Internet infrastructure was not originally designed with security in mind. Luckily, this mindset has changed over the years, mainly due to the growing number of attacks, and has prompted the design of security measures such as Domain Name System Security Extensions (DNSSEC) and Re…

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DDoS Hide & Seek: On the Effectiveness of a Booter Services Takedown

DDoS Hide & Seek: On the Effectiveness of a Booter Services Takedown

Daniel Kopp

9 min read

In this article, we investigated booter-based DDoS attacks in the wild and the impact of an FBI takedown targeting fifteen booter websites in December 2018. We investigated and compared attack properties of multiple booter services by launching DDoS attacks against our own infrastructure. To unders…

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IPv4 Transfer Markets Misuse: A First Look

IPv4 Transfer Markets Misuse: A First Look

Vasileios Giotsas

7 min read

The secondary IP address market has become a viable source of IPv4 address space, but it may also present opportunities to malicious networks to bypass reputation-based security mechanisms. In this article we summarise the results of our first detailed study of how transferred IPv4 prefixes are mis…

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Journeying into XDP: Part 0

Journeying into XDP: Part 0

Luuk Hendriks

13 min read

Network programming using XDP has been on our radar (and if you are reading this, possibly on yours too!) for a while now. As tooling around this technology has vastly improved, we decided that it was time to finally get our hands dirty and see what this technology is all about.

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Help to Understand Secure Email Around the Globe

Help to Understand Secure Email Around the Globe

Mirjam Kühne

3 min read

Olamide Omolola and Tobias Fiebig are studying the degree to which email systems are configured securely. And they need your help: they want to receive emails from as many different mail providers around the world as possible.

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Route Flap Damping in the Wild?!

Route Flap Damping in the Wild?!

Clemens Mosig

9 min read

BGP Route Flap Damping (RFD) and its use has been a controversial topic in the past. Recommendations have been revised multiple times over the past two decades and still differ from vendor default values. In this article we dive into how we measured Route Flap Damping in the real-world, uncover whi…

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Connecting the Quantum Internet

Connecting the Quantum Internet

Vesna Manojlovic

2 min read

As a part of our efforts to increase collaboration between the "classical" Internet and quantum networking research, we are republishing the summary of a research paper on "heterogeneous quantum networks".

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IPv6 Adoption Statistics: a Comparison of Different Metrics

IPv6 Adoption Statistics: a Comparison of Different Metrics

Rene Wilhelm

13 min read

Following up on earlier research, we're looking at IPv6 adoption statistics provided by various organisations once again. How far do they match, and if not, why not?

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RIPE 80: Setting up a Zoom Alternative with AWS

RIPE 80: Setting up a Zoom Alternative with AWS

Oliver Payne

9 min read

Not all of the RIPE 80 attendees were able to use Zoom to participate in the remote meeting for different reasons. We therefore provided an alternative way, which did not rely on Zoom, for people to join in the meeting.

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