Internet Measurement Networks - SANOG 24
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An overview of the Internet Measurement Networks that measure Internet connectivity and reachability.
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Internet Measurement Networks - SANOG 24
- 1. Issue Date: Revision: Internet Measurement Networks Sunny Chendi SANOG24, Delhi, India 23 May 2014 01
- 2. What is Internet Measurement Networks? • A global network of “probes” anyone can participate • Potentially the world's largest internet measurement network • Measure Internet connectivity and reachability • Provides an unprecedented understanding of the state of the Internet in real time 2
- 3. Statistics as of April 2014 • 5,300+ active probes • 7,000+ active users https://atlas.ripe.net/results/maps/network-coverage 3
- 4. Coverage 4
- 5. Participation and Benefits • Anyone can become a probe host • Major personal and operational benefit: – See your network from the outside! – Have at your fingertips ~5,000 external vantage points to do customized measurements towards the destination of your choice • Built-in measurements data available to everyone – Maps, data from public probes, API to download raw data • Analyses and Use Cases https://atlas.ripe.net/results/analyses/ 5
- 6. Security and Privacy • Many built-in safeguards to prevent anyone from taking over the system – don't have any open ports that one can connect to (even locally) – only support outgoing connections • Use mutual authentication between the probes and the infrastructure components • It only talks to central infrastructure and executes active measurement commands towards the public Internet. • you can put it behind a firewall, as long as that firewall does not prevent the probe from talking to the outside world 6
- 7. Security and Privacy • Your personal information such as Mac address and email address will never be shown – Only your IP address will be displayed • Hosts can see all available information about their own probes • The public can see some information about the public probes in the Atlas network, including probe IDs, connection history and user-defined measurements. 7
- 8. Atlas Credit System • Allows to recognise participants' contributions and consumption of resources in the Atlas system • Credit system introduced to ensure fairness and protect system from overload • By hosting a probe, you earn credits • Receives 15 credits for each minute probe is connected to Atlas network, – you should earn roughly 21,600 credits every 24 hours, if connected continuously • To perform measurements, you spend credits – Ping costs 10 credits, trace route costs 20 credits, etc. • More details: https://atlas.ripe.net/doc/credits 8
- 9. User-Defined Measurements • Probe hosts perform customized measurements using the targets and frequency of their choice • API available for creating measurements https://atlas.ripe.net/docs/measurement-creation-api/ • REST APIs for analyzing measurements https://labs.ripe.net/Members/wilhelm/ripe-atlas-code-for-analysis-and- statistics-reporting 9
- 10. How to Schedule a Measurement • Log in to atlas.ripe.net • Go to “My Atlas” and “My Measurements” • Choose “New Measurement” or “One-off” – Most measurements are periodic & last a long time – Choose type, target, frequency, # of probes, region... – You will spend credits (next slides) • To see results: “My Measurements” • More details: https://atlas.ripe.net/doc/udm 10
- 11. Dashboard 11
- 12. Integration with Monitoring Systems • Steps for Status Checks: – Create a Atlas ping measurement • You can use up to 1,024 probes https://atlas.ripe.net/api/v1/status-checks/MEASUREMENT_ID/ – Come back later to see whether anything has changed – Define your alerts accordingly • Creating Alerts in “Icinga”: – Make use of the built-in check_http plugin • Documentation and examples: https://atlas.ripe.net/docs/status-checks/ 12
- 13. Plans For The Future • Integrating DNSMON into Atlas • Tagging probes and measurements as “My Favorites” for easy viewing • More IPv6-related features • Feedback for feature requests http://roadmap.ripe.net/ripe-atlas/ 13
- 14. Useful links • Homepage: https://atlas.ripe.net/ • Internet maps: https://atlas.ripe.net/results/maps/ • Use cases: https://atlas.ripe.net/results/analyses/ • Security: https://atlas.ripe.net/docs/security/ • Widgets: https://stat.ripe.net/widgets/demo/atlas_probe_widgets.html • Mailing list for active users: ripe-atlas@ripe.net • Articles & updates: https://labs.ripe.net/atlas • Questions: atlas@ripe.net • Twitter: @RIPE_Atlas and #RIPEAtlas 14
- 15. RIPE Atlas Probe • Small hardware device that runs measurements in the RIPE Atlas system • Reports results to the data collection components • TP-Link TL-MR3020 powered from USB port • Does not work as a wireless router! 15
- 16. 16 Interested in hosting a Probe? Sunny@apnic.net