Tag Archives: measurement

Videos

Occurrences of nodes as the measurement duration grows

Occurrences of nodes as the measurement duration grows

> By Matthieu Latapy, Clémence Magnien and Frédéric Ouédraogo Download We conduct what we call an Internet radar measurement: from a given machine, called source, and given a set of destinations (IP addresses), we perform a traceroute-like measurement towards each of them, and then iterate this operation (6000 times here). Each round of measurement produces […]

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Plots

Efficient Measurement of Complex Networks Using Link Queries

Efficient Measurement of Complex Networks Using Link Queries

> By Fabien Tarissan, Matthieu Latapy and Christophe Prieur Complex networks are at the core of an intense research activity. However, in most cases, intricate and costly measurement procedures are needed to explore their structure. In some cases, these measurements rely on link queries: given two nodes, it is possible to test the existence of […]

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Plots

Measurement of eDonkey Activity with Distributed Honeypots

Measurement of eDonkey Activity with Distributed Honeypots

> By Oussama Allali, Matthieu Latapy and Clémence Magnien We propose in Measurement of eDonkey Activity with Distributed Honeypots a new way to observe activity in a P2P system. It relies on a set of honeypost, i.e. fake peers which claim to provide some files and record the queries they receive for these files. These […]

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Papers

Measurement of eDonkey Activity with Distributed Honeypots

Oussama Allali, Matthieu Latapy and Clémence Magnien

Collecting information about user activity in peer-to-peer systems is a key but challenging task. We describe here a distributed platform for doing so on the eDonkey network, relying on a group of honeypot peers which claim to have certain files and log queries they receive for these files. We then conduct some measurements with typical scenarios and use the obtained data to analyze the impact of key parameters like measurement duration, number of honeypots involved, and number of advertised files. This illustrates both the possible uses of our measurement system, and the kind of data one may collect using it.

Oussama Allali, Matthieu Latapy and Clémence Magnien

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Videos

Dynamics of Internet links around a source

Dynamics of Internet links around a source

> By Yacine Belkessam, Bénédicte Le Grand and Matthieu Latapy Download We conduct what we call an Internet radar measurement: from a given machine, called source, and given a set of IP addresses, we perform a traceroute-like measurement towards each of them, and then iterate this operation (200 times here, with a 10mn delay between […]

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Plots

Relevance of observed properties

Relevance of observed properties

> By Matthieu Latapy and Clémence Magnien In practice, most complex networks are not directly available: we know them through a measurement procedure only. Such measurements generally give partial samples, which may moreover be biased. However, one generally assumes that the properties observed on the obtained samples are representative of the ones of the actual […]

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Papers

A Radar for the Internet

Matthieu Latapy, Clémence Magnien and Frédéric Ouédraogo

In contrast with most internet topology measurement research, our concern here is not to obtain a map as complete and precise as possible of the whole internet. Instead, we claim that each machine's view of this topology, which we call ego-centered view, is an object worth of study in itself. We design and implement an ego-centered measurement tool, and perform radar-like measurements consisting of repeated measurements of such views of the internet topology. We conduct long-term (several weeks) and high-speed (one round every few minutes) measurements of this kind from more than one hundred monitors, and we provide the obtained data. We also show that these data may be used to detect events in the dynamics of internet topology.

Matthieu Latapy, Clémence Magnien and Frédéric Ouédraogo

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Plots

P2P clients contacting a honeypot

P2P clients contacting a honeypot

> By Oussama Allali, Matthieu Latapy and Clémence Magnien We observe the peers interested in a given file in a P2P system with a honeypot: our peer claims that it provides this file, and then registers the queries it receives from other peers. The plot represents the number of distinct peers observed since the beginning […]

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Plots

The yooooo distribution

The yooooo distribution

> By Matthieu Latapy and Fabien Viger For any integer x from 1 to 254, I launched a query on yahoo.com on the word yoooooo, with x o’s. In other words, I first launched a query on yo, then yoo, yooo, yoooo, yooooo, and so on. Why would I do so? Ask Fabien! For each […]

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Plots

Growth of the number of IP around me

Growth of the number of IP around me

> Matthieu Latapy, Clémence Magnien and Frédéric Ouédraogo traceroute is a tool that gives the internet path followed by your packets towards a given destination, under the form of a series of IP addresses. Consider a given set of destinations, and let us call the result of a traceroute towards each of these destinations a […]

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