Robert Kisteleki




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About the author

I am the leader of the Research and Development team at the RIPE NCC leading a dedicated team of thinkers to support the RIPE community by providing network research, data analysis and prototype tool development and services including RIPE Atlas and RIPEstat.

Help Build a Bigger, Better RIPE Atlas

When it comes to RIPE Atlas, bigger is better. Each new probe adds another vantage point, bringing the measurement platform closer to its goal of providing an unprecedented view of the state of the Internet. But expansion into new geographical locations and networks wouldn't be possible without the…

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Language Support for RIPE Atlas Software Probes

Software probes provide yet another way to help grow the RIPE Atlas network. As many new hosts opt for this alternative, getting RIPE Atlas into new places means helping people install and run the relevant software packages. Language support will be key to this, and we have a plan to provide it, bu…

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Impressions from the Internet Measurement Conference 2017

This year's Internet Measurement Conference (IMC) was held in London from 1 - 3 November. In this article we highlight some of the presented work that we think is interesting and that the RIPE community might find useful.

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RIPE NCC Technical Services 2017 - Part Three: Focus on Tools and Research

Please find below the third part of our technical services update. This time we're focusing on our research activities and a number of tools we are developing.

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RIPE NCC Technical Services 2017 - Part One: Focus on RIPE Atlas

In 2013 and 2015 we provided high-level reports on the status of our plans for our technical services and tools. It is time for an update. In this first article we will focus on RIPE Atlas.

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RIPE Atlas WiFi Measurements

We're thinking about implementing WiFi measurements in RIPE Atlas, and we want to know what you think. There are several different ways we could do this - find out more below and then take our poll to make your voice heard!

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Iran and K-root: The Rest of the Story

Dyn Research published an article on K-root recently. Here we would like to augment the picture with data from RIPE Atlas in order to provide a more complete picture of the effect of the K-root node in Iran.

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Comparing TCP and UDP Response Times of DNS Root Servers

We did some measurements on the round-trip (RT) values of DNS queries for SOA (Start of Authority) records from our RIPE Atlas probes, over both UDP and TCP. We plotted the TCP/UDP ratios on graphs, and found that, as expected, for the majority of the measurements, it is around 2. However, we also …

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RIPE NCC Active Measurements of World IPv6 Launch Dataset

As part of our Data Repository, the RIPE NCC has released a new dataset. This dataset contains DNS lookups (A+AAAA), ping/ping6, traceroute/traceroute6 and HTTP fetches (IPv4/IPv6) from 53 vantage points (TTM, CAIDA Ark and others) to 60 websites involved in World IPv6 Launch. The data covers the p…

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Measuring World IPv6 Launch - Comparing IPv4 and IPv6 Performance

Following on from last year's during World IPv6 Day, we again looked at relative performance of IPv4 and IPv6 from the measurements we conducted. In this article we describe the methodology and the show the results of these measurements.

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