Project Information

IODA (Internet Outage Detection and Analysis) is a project that originally began at CAIDA at the University of California San Diego (see also the Acknowledgements page). Since 2022 the project continues at the Georgia Institute of Technology. Original CAIDA project page.

Acknowledgements

The development of this platform at UC San Diego was supported by NSF grant CNS-1228994 [Detection and Analysis of Large-scale Internet Infrastructure Outages (IODA)].
The development of this platform at UC San Diego was also supported by Department of Homeland Security Science and Technology Directorate (DHS S&T) contract 70RSAT18CB0000015 [IODA-NP: Multi-source Realtime Detection of Macroscopic Internet Connectivity Disruption], and DHS S&T cooperative agreement FA8750-12-2-0326 [Supporting Research and Development of Security Technologies through Network and Security Data Collection].
This platform was also supported by the Open Technology Fund (2018, 2019, 2020).
Additional funding to support this platform was generously provided by a grant from the Internet Society.
Additional funding to work on visualization interfaces was generously provided by a Comcast research grant.
Storage resources for the UCSD Network Telescope were supported by NERSC, a DOE Office of Science User Facility supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231.
Computational resources were supported by National Science Foundation grant number ACI-1053575.
This project was originally developed at CAIDA, San Diego Supercomputer Center, UC San Diego.
This project was originally developed at CAIDA, UC San Diego.
This platform was/is supported by the U.S. Department of State, Bureau of Democracy, Human Rights, and Labor (2020, 2023-2024) and Bureau of Near Eastern Affairs (2021-2022).
This project was originally developed at CAIDA, UC San Diego.
The Technology Services Organization (TSO) at Georgia Tech's College of Computing provides and manages computing infrastructure for this project.
Alcock Network Intelligence is subcontracted to assist with the development, deployment and maintenance of the software for the IODA project.
IPInfo provides the IP Geolocation data that is used to associate measurements with their corresponding countries and regions.

Data Sources

See the IODA project page for scientific references and for more information about our methodology.

Global Internet Routing Data

Internet Background Radiation Data

Active Probing Data

  • Active measurements conducted from Georgia Tech servers.