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Is It Really Worth Peering at IXPs? A Comparative Study

Is It Really Worth Peering at IXPs? A Comparative Study

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roberto di lallo

15 min read

We investigated the role IXPs play in the Italian Internet ecosystem. Do peerings at IXPs have a positive effect on key performance indicators such as latency, hop count, packet loss and jitter? Do they reduce the number of out-of-country ISPs traversed by traffic between users located in Italy and…

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Analysing the K-root Anycast Infrastructure

Analysing the K-root Anycast Infrastructure

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JH Kuipers

4 min read

Anycast is used by most of the DNS root-servers and other services like Cloudflare. It provides localisation and scaling benefits to clients using the anycasted service. An anycast service uses one IP for several instances of the same service. The routing system is then responsible for directing a …

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Extending RIPE Atlas' Reach

Extending RIPE Atlas' Reach

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Vesna Manojlovic

5 min read

In an effort to increase the growth rate of connected RIPE Atlas probes and achieve better coverage across the globe, our Measurements Community Building team is experimenting with new outreach methods.

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Visualisation of a New Node in LACTLD Anycast Service

Visualisation of a New Node in LACTLD Anycast Service

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Hugo Salgado

6 min read

Despite the few RIPE Atlas probes available in Latin America, it is possible to obtain interesting measurements about changes in network architecture.

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Improving RIPE Atlas Coverage - Which Networks Are Missing?

Improving RIPE Atlas Coverage - Which Networks Are Missing?

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Emile Aben

11 min read

In this article we compare RIPE Atlas deployment against user population estimates provided by APNIC to see which eyeball networks are missing out on RIPE Atlas probes.

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Enabling Data Compression in RIPE Atlas

Enabling Data Compression in RIPE Atlas

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Daniel Quinn

3 min read

We’d like to enable gzip compression on all of RIPE Atlas' measurement API calls — but thanks to the BREACH vulnerability, doing so could mean that some enterprising individual with an obscene amount of time on their hands might be able read the contents of the responses. This means measurement res…

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HTTP Measurements with RIPE Atlas

HTTP Measurements with RIPE Atlas

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Robert Kisteleki

3 min read

After a discussion with the community about HTTP measurements, we'll start implementing this as a publicly available measurement type.

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The AMS-IX Outage as Seen with RIPE Atlas

The AMS-IX Outage as Seen with RIPE Atlas

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Robert Kisteleki

3 min read

During the RIPE 70 Meeting in Amsterdam this week (on 13 May around 10:00 UTC), we experienced a network outage at AMS-IX. Let's see how this was monitored by various tools.

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Figure 1: Comparison of time to read the RIB file

BGPdump2: A Tool to Read and Compare the BGP RIB Dump Files

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Yasuhiro Ohara

9 min read

We introduce a new tool to read BGP RIB dump files, called BGPdump2. It has a unique feature, in which users can compare routes from BGP RIB files in the ”diff”-like display format. It is good for checking the correctness of BGP operation by comparing one ISP’s BGP routing table to another ISP’s.

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On the Diversity of Interdomain Routing in Africa

On the Diversity of Interdomain Routing in Africa

9 min read

In 2013 and 2014 we looked into measuring Interdomain Routing in Africa using the RIPE Atlas infrastructure. This resulted in a paper published at the PAM (Passive and Active Measurement) 2015 conference. Here we present some highlights of this research.

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