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Largest Active Measurements Network: RIPE Atlas

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Presentation given by Vesna Manojlovic at SEE 2, Skopje, Macedonia on 23 April 2013.

Presentation given by Vesna Manojlovic at SEE 2, Skopje, Macedonia on 23 April 2013.

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  • 1. RIPE Atlas:the Largest ActiveMeasurementsNetworkSEE2 meeting, SkopjeVesna ManojlovicRIPE NCC1Friday, April 19, 2013
  • 2. RIPE AtlasDeployment22Friday, April 19, 2013
  • 3. RIPE Atlas Now (April 2013)• 2,900+ probes are up and running_1,048+ IPv6-capable probes• Data of built-in measurements available to everyone_In form of maps, tables, public probes data andAPI to download raw data• Four types of customised measurements available tohosts and RIPE NCC members:ping, traceroute, DNS, SSL• Major benefit: look at your netowrk from the outside!• Anyone can become a RIPE Atlas probe host:apply now at https://atlas.ripe.net/apply33Friday, April 19, 2013
  • 4. RIPE Atlas Coverage• Probes deployed in 108 countries• Network coverage criteria for distribution: varied ASNs andIP prefixes• https://atlas.ripe.net/contrib/coverage.html40125250375500DE RU NL UA IT PL AT AU ES FI IE GR HU CA21242427283232334044454545565759646466801131881932092212454364Friday, April 19, 2013
  • 5. Measuring Hurricane Sandy with RIPE Atlas• Most RIPE Atlas probes in affected areaunavailable during Hurricane Sandy• Traffic partially shifted away from NYC as a transithub5https://labs.ripe.net/sandy-20125Friday, April 19, 2013
  • 6. RIPEstat: Probes Per ASN, IP Prefix or Country66Friday, April 19, 2013
  • 7. RIPE Atlas Probe: 3rd Generation• TP-Link TL-MR3020• Powered from normal USB port (500mA)• 32 MB RAM, 4 MB flash built-in, 4GBflash on USB stick• Runs OpenWRT• 400 MHz MIPS CPU with MMU• A reboot takes about 1 minute• An SSH connection takes less thantwo seconds• Firmware is updated remotely, both onthe built-in flash & on the USB stick77Friday, April 19, 2013
  • 8. RIPE Atlas Anchors• Anchors are powerful probesand well-known targets– Pilot started in September 2012– Currently 11 anchors deployed– Goal: ~50 deployed in 201388Friday, April 19, 2013
  • 9. RIPE Atlas: for LIRs/ RIPE NCC members• One-click measurement"Test your IPv6"• Get 1,000,000 credits• Apply for the probevia LIR Portal• Quick Lookmeasurements (soon)99Friday, April 19, 2013
  • 10. More News• 6 new sponsors in 2013• One-off measurements introduced to testers• REST API available for creating measurements• Community pages (Top-10 users, photos)• GitHub Community Repository available• Established cooperation with interested users:regulators, researchers, operators1010Friday, April 19, 2013
  • 11. RIPE Atlas is grateful to our sponsors...https://atlas.ripe.net/get-involved/become-a-sponsor/1111Friday, April 19, 2013
  • 12. New Arrivals to the Community12https://atlas.ripe.net/atlas/community12Friday, April 19, 2013
  • 13. • Get a probe: atlas.ripe.net/apply• Community pages: https://atlas.ripe.net/atlas/community• Mailing list for active users: ripe-atlas@ripe.net• Questions: atlas@ripe.net• Twitter: #RIPEAtlas & @RIPE_Atlas• Community Builder: Vesna Manojlovic: BECHA@ripe.nethttps://atlas.ripe.netRIPE Atlas: Contact1313Friday, April 19, 2013
  • 14. Questions?14Friday, April 19, 2013
  • 15. Background Info -How Atlas Works15Friday, April 19, 2013
  • 16. • For accurate maps we need many vantage points- Small probes- Easily deployable- USB powered- 24 x 365 capable• Hosted and sponsored by organisations and end-users- ISPs, Internet Exchange Points, individuals...- Free of charge for volunteers who host individual probesHardware Devices: Probes1616Friday, April 19, 2013
  • 17. Who Can Perform Which Measurements?• RIPE NCC is performing “built-in” measurements_From all the probes, towards root name servers and ourinfrastructure_Periodically: few times a day (55 million / day)_pings, traceroutes and DNS queries_Data stored on Hbase/Hadoop clusters_Results available to everyone!• Probe hosts and RIPE NCC members performcustomised measurements using the targets of theirchoice and desired frequency_(5 million / day)• Anchoring measurements coming up soon_Each probe will measure 4-5 “anchors” as a regional baseline_RIPE Atlas anchor hosts can perform their own customizedmeasurements 1717Friday, April 19, 2013
  • 18. Credits System• By hosting a probe, a host earns credits_As a reward for making his/her probe available to other users, forperforming measurements from that probe towards any target_Hosts earn 21,000+ credits per day, as long as the probe is connected• In order to schedule customised measurements, users spendcredits_ping costs 10 credits, traceroute 20, etc._Daily limit applies• Credits system introduced to ensure fairness and protectsystem from overload• Extra credits can be earned by: being a RIPE NCC member,hosting a RIPE Atlas anchor or sponsoring multiple probes1818Friday, April 19, 2013
  • 19. Results and CaseStudies19Friday, April 19, 2013
  • 20. RIPE Atlas Maps: Comparing DNS RootServers RTT2020Friday, April 19, 2013
  • 21. Which Anycast Instance is Each ProbeQuerying?2121Friday, April 19, 2013
  • 22. Where is D-root?2222Friday, April 19, 2013
  • 23. 23Details of Customised Measurements23Friday, April 19, 2013
  • 24. Case Studies of RIPE Atlas Usage• Testing an occasional operational issue to verify DNS responses from a number ofwidely distributed measurement pointshttps://labs.ripe.net/Members/pk/denic-case-study-using-ripe-atlas• A Case Study of IPv6 /48 Filtering, Emile Aben• IPv6 reachability testing before and during World IPv6 Launchhttps://labs.ripe.net/Members/becha/world-ipv6-launch-ripe-atlas-use-cases• Correlating Routing Configuration Changes with Forwarding ChangesDavid Lebrun, University of Louvain, Belgium• Discovering Path MTU Black Holes on the Internet Using RIPE AtlasMaikel de Boer, Jeffrey Bosmalabs.ripe.net/atlas and https://atlas.ripe.net/analyses2424Friday, April 19, 2013

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