- mat-wg - mailman.ripe.net

New Geolocation History Widget in RIPEstat
by Mirjam Kuehne 13 Mar '12

13 Mar '12

Dear colleagues, Please find a new article on RIPE Labs describing the new RIPEstat 'Geolocation History Widget': https://labs.ripe.net/Members/cteusche/geolocation-history It provides information about the physical location of IP address space over time. Kind Regards, Mirjam Kuehne RIPE NCC

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New on RIPE Labs: Preparing RIPE Atlas for RIPE NCC Access
by Mirjam Kuehne 09 Mar '12

09 Mar '12

Dear colleagues, Please read on RIPE Labs how we prepare to migrate RIPE Atlas to RIPE NCC Access, the RIPE NCC single sign on system: https://labs.ripe.net/Members/kistel/preparing-ripe-atlas-for-ripe-ncc-acce… Kind Regards, Mirjam Kuehne RIPE NCC

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virtual map of Internet on the basis of RIPE ATLAS data
by Andrei Sukhov 09 Mar '12

09 Mar '12

Dear Sirs, I am Andrei Sukhov from Samara. I would like to discuss the construction of virtual map of Internet on the basis of RIPE ATLAS data. Virtual map of the Internet Introduction Recently, numerous measuring systems like RIPE ATLAS are established to monitor the global network, organization of inter-domain routing principles and concepts of connectedness. As a rule, measurement mechanisms are based on modifications of the time-tested tools: ping and traceroute. That is, measure the round-trip time of package and the way as a sequence of routers that handle packets. In order to visualize the resulting pattern geographic maps are used with the coordinates of boxes. This picture doesn’t reflect the structure of the network. More recently, a new approach for the representation of network infrastructure is appeared in sensor networks in [1-3]. Virtual coordinate systems are designed to find the shortest route based solely on intranet information. The network selected a few points, called anchors, the number of network hops is found from these anchors to each box. This number is taken as the location of this point relative to the anchor base. Vectors defining the position of a point relative to this basis are non-negative coordinates, which makes it difficult to build the map. Special virtual conversion allows us to set the direction and pick axes. After that, each point receives a normal position on the map. Depending on the number of selected anchors we can build two-and three-dimensional maps. The building procedure Virtual maps can be constructed to render the most important Internet services, primarily for access to DNS servers and point of traffic exchange (Amsterdam-IX, for example). To do this, we need to select the four key DNS servers as anchors, with the help of a RIPE ATLAS system to measure the number of hops from different boxes to the selected points. Thus, we obtain the original data on the structure of the network. After converting the virtual coordinate system, we calculate the conventional two-dimensional coordinate and construct the corresponding 2D maps. For locations of points can be seen on the availability of new servers, remote seals show the desired location for the mirror. It seems to me important to start a discussion about what the servers selected as anchors and how to make measurements to the traceroute command issued a number of transitions to the anchors. Can you set up a RIPE ATLAS system now that it had the necessary measurements? 1. J.N. Al-Karaki, and A.E. Kamal, “Routing techniques in wireless sensor networks: a survey,” IEEE Wireless Communications, Vol. 11, pp.6-28, Dec. 2004. 2. Bachrach, J., and Taylor, C. Localization in sensor networks. Ch. 9, Handbook of Sensor Networks. Stojmenovic (Editor), John Wiley 2005. 3. D. C. Dhanapala and A. P. Jayasumana, "Topology preserving maps from virtual coordinates for wireless sensor networks," Proc. 35th IEEE Conf. on Local Computer Networks, Oct. 2010 I hope to hear from you shortly. Sincerely yours, Andrei Sukhov

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RIPE64 Call for Presentations
by Christian Kaufmann 01 Mar '12

01 Mar '12

Reminder.... Dear Working Group Colleagues, RIPE 64 will take place from 16 – 20 April 2012 at the Grand Union Hotel in Ljubljana. (http://ripe64.ripe.net/) The MAT-WG session is scheduled to run between 16:00 - 17:30 CET on Thursday 19 April, though this may be subject to change as the meeting plan is still in draft. My co-chairs and I invite you to submit presentations or suggestions for content you would like to see in this session. As a reminder, the working group charter states: "The purpose of the working group is to provide a forum in which the RIPE NCC and the community can collaborate in the areas of data, tools and analysis relating to the Internet and its infrastructure, with a loose focus on monitoring, diagnosis, analysis and forecasting. It is not the purpose of the working group to compare the performance of networks for marketing purposes." If you would like to contribute anything to our session at the next RIPE meeting please email mat-wg-chairs(a)ripe.net Best regards, CK Co-chair MAT Working Group

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New on RIPE Labs: RIPE NCC Access now Works for RIPEstat
by Mirjam Kuehne 29 Feb '12

29 Feb '12

Dear colleagues, The single sign on system, called RIPE NCC Access, also works for RIPEstat now. Please find more information on RIPE Labs: https://labs.ripe.net/Members/kistel/ripe-ncc-access-now-works-for-ripestat Kind regards, Mirjam Kuehne RIPE NCC

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New on RIPE Labs: Release of ASN Neighbours Widget in RIPEstat
by Mirjam Kuehne 28 Feb '12

28 Feb '12

Dear colleagues, In the last RIPEstat demo, we announced the introduction of a new module: ASN Neighbours. Today we released the module as a widget. On RIPE Labs we explain how to interpret the results displayed by the widget: https://labs.ripe.net/Members/kistel/as-neighbours-widget-in-ripestat Kind Regards, Mirjam Kuehne RIPE NCC

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New on RIPE Labs: New RIPEstat Features: Reverse DNS & AS Neighbours
by Mirjam Kuehne 27 Feb '12

27 Feb '12

Dear colleagues, Please find the report of this month's RIPEstat demo sessions on RIPE Labs now: https://labs.ripe.net/Members/kistel/ripestat-demo-s2e02 It describes two new modules, improvements made to the front page and some other upgrades we made to the system. Please also note the questions at the end of the article. Kind regards, Mirjam Kuehne RIPE NCC

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New on RIPE Labs: Tool to Measure K-root Performance
by Mirjam Kuehne 17 Feb '12

17 Feb '12

[apologies for duplicate mails] Dear colleagues, Please see this new article on RIPE Labs describing a tool that visualises the performance of K-root: https://labs.ripe.net/Members/csquarce/visualk Kind regards, Mirjam Kuehne RIPE NCC

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RIPE64 Call for Presentations
by Christian Kaufmann 16 Feb '12

16 Feb '12

Dear Working Group Colleagues, RIPE 64 will take place from 16 – 20 April 2012 at the Grand Union Hotel in Ljubljana. (http://ripe64.ripe.net/) The MAT-WG session is scheduled to run between 16:00 - 17:30 CET on Thursday 19 April, though this may be subject to change as the meeting plan is still in draft. My co-chairs and I invite you to submit presentations or suggestions for content you would like to see in this session. As a reminder, the working group charter states: "The purpose of the working group is to provide a forum in which the RIPE NCC and the community can collaborate in the areas of data, tools and analysis relating to the Internet and its infrastructure, with a loose focus on monitoring, diagnosis, analysis and forecasting. It is not the purpose of the working group to compare the performance of networks for marketing purposes." If you would like to contribute anything to our session at the next RIPE meeting please email mat-wg-chairs(a)ripe.net Best regards, CK Co-chair MAT Working Group

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New on RIPE Labs: One Year of RIPEstat
by Mirjam Kuehne 10 Feb '12

10 Feb '12

Dear colleagues, Please read on RIPE Labs about the first year of RIPEstat and - maybe most importantly - our plans for 2012: https://labs.ripe.net/Members/cteusche/one-year-of-ripestat Kind Regards, Mirjam Kuehne RIPE NCC

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