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BGP Zombies

BGP Zombies

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Romain Fontugne

8 min read

When withdrawing an IP prefix from the Internet, an origin network sends BGP withdraw messages, which are expected to propagate to all BGP routers that hold an entry for that IP prefix in their routing table. Yet network operators occasionally report issues where routers maintain routes to IP prefi…

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BGP Communities - A Weapon for the Internet (Part 2)

BGP Communities - A Weapon for the Internet (Part 2)

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Florian Streibelt

7 min read

This is the second of two articles in which we present a new attack vector on the routing infrastructure of the Internet using BGP communities.

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BGP Communities - A Weapon for the Internet (Part 1)

BGP Communities - A Weapon for the Internet (Part 1)

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Florian Streibelt

9 min read

This is the first of two articles in which we present a new attack vector on the routing infrastructure of the Internet using BGP communities.

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Statistical Characterisation of RTT Series

Statistical Characterisation of RTT Series

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Maxime Mouchet

10 min read

Statistical characterisation of Round Trip Times (RTT) series is useful for network management. For example, if several paths are available between a source and a destination, say in a routing overlay context, it may be useful to select the path dynamically based on some inference on the current Qu…

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Is the Internet Running Late?

Is the Internet Running Late?

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Geoff Huston

12 min read

Computers have always had clocks. Well maybe not clocks as you might think, but digital computers have always had oscillators, and if you hook the oscillator to a simple counter then you have a clock.

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When the Internet Goes Down: Tracking Edge Outages at Scale

When the Internet Goes Down: Tracking Edge Outages at Scale

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Philipp Richter

8 min read

Uninterrupted availability of the Internet has become increasingly critical these days, not just for end users but also for service providers who need to meet Service Level Agreements (SLAs). Yet, outages affecting end-user connectivity are widespread, whether they be unintentional fibre cuts, natu…

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Multi-level MDA-Lite Paris Traceroute

Multi-level MDA-Lite Paris Traceroute

8 min read

On-path load balancing can send traffic across many potential paths, which typical traceroute usage will not fully capture. We are working on algorithms for a more complete traceroute across load-balanced paths, and we are interested in deployment on RIPE Atlas. We'd like your feedback.

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IMC 2018 Liveblog

IMC 2018 Liveblog

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Gergana Petrova

16 min read

The Internet Measurement Conference (IMC) is an annual conference focusing on Internet measurement and analysis. The 17th edition is taking place from 31 October to 2 November 2018 in Boston. RIPE NCC staff at the event will be live blogging key moments. See this page for regular updates on the iss…

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RIOT in Amsterdam

RIOT in Amsterdam

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Martine Sophie Lenders

14 min read

The RIOT Summit is the yearly get-together of the community around the RIOT operating system for the Internet of Things (IoT). It aims at bringing together RIOTers, beginners and experts, as well as people interested in the IoT in general. We also welcome decision makers who plan to deploy RIOT in …

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