Measurements and Statistics

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Make This One Change to Prevent Routing Loops in Your Network

Maynard Koch

• 25 Mar 2026

• 5 min read

Routing loops can trap packets between routers, preventing them from reaching their destination. In some cases, routers even duplicate looping packets, amplifying traffic and threatening Internet stability. We look at how this happens and how operators can prevent it.

RootViz: New Root DNS Reachability Dashboard

Giovane Moura

• 10 Mar 2026

• 6 min read

In this guest post, the team at SIDN Labs introduce a new dashboard built on RIPE Atlas data that lets the community visualise real-time measurement results and explore how probes reach the Internet’s root DNS servers.

A Day in the Life of RIPE Atlas

Yevheniya Nosyk

• 3 Mar 2026

• 10 min read

On any given day, RIPE Atlas generates billions of measurement results, offering a comprehensive view of connectivity and reachability worldwide. This data, collected for over a decade, forms a unique historical record of the Internet. Here, we focus on a single day to show how RIPE Atlas operates …

Ukraine as a Laboratory of Internet Resilience

Eliza Rohotska

• 24 Feb 2026

• 14 min read

Ukraine’s Internet has not collapsed under invasion - it has adapted. This article examines what that reveals about the concept of resilience in the context of Internet infrastructure and the people who keep the networks running.

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When ToR Instability Collapses Cross-Rack Redundancy Without Breaching SLA

Ruslan Seyidov

• 24 Feb 2026

• 7 min read

This article examines a two-rack deployment where ToR instability quietly collapsed redundancy while SLA metrics remained within bounds, revealing how service-level monitoring can mask structural risk.

Testing IXP Configurations Without Breaking Production: A Digital Twin Approach

Tommaso Caiazzi

• 23 Feb 2026

• 7 min read

Configuration mistakes at an IXP can have immediate impact. Building on the earlier IXP Digital Twin project, this article presents a new dashboard that enables operators to recreate production environments, validate routing state, and test member onboarding off production.

165

Forward to Hell? On Misusing Transparent DNS Forwarders For Amplification Attacks

Maynard Koch

• 12 Feb 2026

• 10 min read

DNS infrastructure is infamous for facilitating reflective amplification attacks. Countermeasures such as server shielding, access control, rate limiting and protocol restrictions have improved the situation, but DNS-based reflective amplification attacks persist. Focusing on the threat vector intr…

Peering Market at a Glance: Trends, Transformations, and the Regional Dynamics of Internet Interconnection

Flavio Luciani

• 10 Feb 2026

• 3 min read

Recent claims that IXPs "aren’t showing significant growth", that more interconnection is happening outside exchanges, and that peering can be more expensive than transit challenge long-standing assumptions about the role of IXPs. But do these claims hold up? A new paper from NAMEX explores the dat…

Internet Coordination in Times of War

Hisham Ibrahim

• 4 Feb 2026

• 4 min read

Periods of armed conflict often lead to renewed scrutiny of how the Internet functions and of the organisations involved in its coordination. In such moments, simplified or incorrect narratives that can frame technical coordination roles as political choices, or assign responsibilities to coordinat…

DNSSEC and PQC: Practical Impact of Increased TCP in DNS

Eline Stehouwer

• 29 Jan 2026

• 17 min read

Post-quantum cryptography could make DNSSEC responses bigger, pushing more DNS traffic from UDP to TCP. In this guest post, Eline Stehouwer (SIDN Labs) explores what that means for authoritative name servers, replaying real .nl traffic across NSD, Knot, BIND and PowerDNS.

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