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Mission

Our mission is to advance distributed and networked systems that positively impact the lives of people. The Internet is particularly important to us because the Internet is the largest distributed, networked system that is currently deployed. We want to keep the Internet, its services, and applications open but secure, convinced that the Internet should be accessible to everyone. To achieve our mission, we strive for first-class research that influences science and practice. We introduce crazy new ideas, revisit prior work, and talk to those who deploy. We are committed to education that lasts and are dedicated to research questions that matter.

Our research and teaching focus on efficient, reliable, and secure Internet communication. We work on the design and evaluation of networking protocols and architectures as well as Internet measurements and analysis. Our efforts are driven by the goal to improve Internet-based communication based on sound research. Some of our research results escaped from the lab and are now used in practice.

Current topics include but are not limited to:

  • Internet security
  • Internet Measurements
  • Information-centric Networking
  • Internet of Things

Selected Publications

USENIX Security 2022

USENIX Security 2022

Raphael Hiesgen, Marcin Nawrocki et al.,Spoki: Unveiling a New Wave of Scanners through a Reactive Network Telescope, In: Proc. of 31st USENIX Security Symposium, Berkeley, CA, USA: USENIX Association, 2022.

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ACM CoNEXT 2021

Hauke Petersen, Thomas C. Schmidt, Matthias Wählisch, Mind the Gap: Multi-hop IPv6 over BLE in the IoT, In: Proc. of 17th International Conference on emerging Networking EXperiments and Technologies (CoNEXT), pp. 382--396, New York: ACM, 2021.

The Web Conference 2021

The Web Conference 2021

Pouyan Fotouhi Tehrani et al.,Security of Alerting Authorities in the WWW: Measuring Namespaces DNSSEC and Web PKI, In: Proc. of 30th The Web Conference (WWW), New York, USA: ACM, April 2021.

ACM Internet Measurement Conference 2020

ACM Internet Measurement Conference 2020

Caitlin Gray, Clemens Mosig et al., BGP Beacons Network Tomography and Bayesian Computation to Locate Route Flap Damping, In: Proc. of ACM Internet Measurement Conference (IMC), pp. 492--505, New York: ACM, 2020

ACM IMC 2019

ACM Internet Measurement Conference 2019

Marcin Nawrocki et al., Down the Black Hole: Dismantling Operational Practices of BGP Blackholing at IXPs, In: Proc. of ACM Internet Measurement Conference (IMC), pp. 435--448, New York: ACM, 2019.

IEEE Internet of Things Journal

IEEE Internet of Things Journal 2018

Emmanuel Baccelli, Cenk Gündogan et al., RIOT: An Open Source Operating System for Low-End Embedded Devices in the IoT, IEEE Internet of Things Journal, Vol. 5, No. 6, pp. 4428--4440, IEEE, December 2018.

ACM Computer Communication Review

ACM Computer Communication Review 2018

Andreas Reuter et al., Towards a Rigorous Methodology for Measuring Adoption of RPKI Route Validation and Filtering, ACM SIGCOMM Computer Communication Review, Vol. 48, No. 1, pp. 19--27, ACM, January 2018.

Image Credits

Outreach: Open Source Projects

RTRlib

The RTRlib is a lightweight, open-source C library that implements the RPKI/RTR protocol. Basically, it fetches data from an RPKI cache server and allows for prefix origin validation as well as BGP path validation. The RTRlib is the backend for BGP daemons and monitoring tools.

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Awards

Best Paper Award ACM CoNEXT 2022

Marcin Nawrocki, Pouyan Fotouhi Tehrani, Raphael Hiesgen, Jonas Mücke, Thomas C. Schmidt, Matthias Wählisch, "On the Interplay between TLS Certificates and QUIC Performance"

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