Etomic: a pan-European testbed Péter Hága Collegium Budapest Institute for Advanced Study.
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Transcript of Etomic: a pan-European testbed Péter Hága Collegium Budapest Institute for Advanced Study.
![Page 1: Etomic: a pan-European testbed Péter Hága Collegium Budapest Institute for Advanced Study.](https://reader035.fdocuments.net/reader035/viewer/2022062423/56649eb25503460f94bb893a/html5/thumbnails/1.jpg)
etomic: a pan-European testbed
Péter Hága Collegium Budapest
Institute for Advanced Study
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ETOMIC the European Internet experimentation infrastructure www.etomic.orgBest Testbed Award
• The European Traffic Observatory Measurement InfrastruCture (etomic) was created in 2004-05 within the Evergrow Integrated Project.
• Since 2005 it is also part of a national programme
Center for Comm. Net. Data Analysis ( ~ 3 M€) • Its goals:
– to provide open access, public testbed for researchers experimenting the Internet
– to serve as a Virtual Observatory active measurement data on the European part of the Internet
History
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
Founders
• Built by the Center for Communication Network Data Analysis (CNDA).
• Central management system by Navarra University, Spain
• The measurement stations are hosted by European Universities in the Evergrow project, EuroLab members, MoMe members, associate partners of CNDA
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Experimental sites
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
Eurolabs Collaboration
• an etomic station is hosted in the Eurolabs laboratory in Brussels
• the etomic station arrived at Université Libre de Bruxelles in the summer of 2005
• reached the fully operational state in the autumn of 2005
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
Eurolabs Collaboration
![Page 7: Etomic: a pan-European testbed Péter Hága Collegium Budapest Institute for Advanced Study.](https://reader035.fdocuments.net/reader035/viewer/2022062423/56649eb25503460f94bb893a/html5/thumbnails/7.jpg)
ETOMIC the European Internet experimentation infrastructure www.etomic.org
Eurolabs Collaboration
![Page 8: Etomic: a pan-European testbed Péter Hága Collegium Budapest Institute for Advanced Study.](https://reader035.fdocuments.net/reader035/viewer/2022062423/56649eb25503460f94bb893a/html5/thumbnails/8.jpg)
ETOMIC the European Internet experimentation infrastructure www.etomic.org
Hardware architecture
• Each station consists of:– Server PC architecture– DAG 3.6 GE card with packet
sending capability (Endace)– own GPS antenna (Garmin) for
time synchronization
• Repository and data processing:– Everlab IBM blade center (112
blades)
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
The GEANT connection
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
CMS
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
Web interface
• Available via www.etomic.org– Account application -> own experiment design– Free access/sharing of measurement data
• Experiment time slot reservation for registered users
• Programming DAG card via the user friendly Application Programming Interface
• Experiments are distributed automatically to the stations
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What kinds of services I can get?
Launch an experimentstep by step
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
Experimental bundle
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
Scheduling
Experiments
Time slot reservation in a calendar system for the experiments
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
User experiments
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
Open repository
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
Database interface and schema
Uploaded 2.5 billion measurements
In collaboration with astrophysics Virtual Observatory efforts
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You can get all the key environment information during
your experiment
Basic experiments
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
One way delay
~ 10 ns measurement precision
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Online demo:One-way delay measurement between two Etomic nodes
Define and launch the experiment
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
GPS visibility information
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
Tracking topology changes
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Experimental use cases
Some ongoing topics
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
1. Testing a new available
bandwidth meter• Upload your
available bandwidth meter via the web interface. Deploy it to the sites of your choice. Book measurement time and schedule your experiment.
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
2. Transport protocol testing
• Upload a new protocol version as an experiment and test it in real Internet + custom designed cross traffic
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
3. Network Tomography
Method: we send back-to-back packet pairs and measure their end-to-end delay at arrival with very high precision
Goal: to resolve delay statistics on internal network segments too, where we do not have monitoring stations
Key idea: delay correlation on the common segment for the packets in a pair
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ETOMIC the European Internet experimentation infrastructure www.etomic.org
Google Map visualization tool
![Page 28: Etomic: a pan-European testbed Péter Hága Collegium Budapest Institute for Advanced Study.](https://reader035.fdocuments.net/reader035/viewer/2022062423/56649eb25503460f94bb893a/html5/thumbnails/28.jpg)
Online demo:One-way delay measurement between two Etomic nodes
Check the experiment, plot the results
![Page 29: Etomic: a pan-European testbed Péter Hága Collegium Budapest Institute for Advanced Study.](https://reader035.fdocuments.net/reader035/viewer/2022062423/56649eb25503460f94bb893a/html5/thumbnails/29.jpg)
Thank you for your attention!
Visit: www.etomic.org