Welcome!

Welcome to the Chair of Communication and Distributed Systems at RWTH Aachen University. The chair, headed by Prof. Dr.-Ing. Klaus Wehrle, conducts research in diverse areas related to computer networks and distributed systems:

  • Mobile and Wireless Networks
  • Wireless Sensor Networks
  • Network and System Reliability and Security
  • Massively Distributed Systems
  • Performance Evaluation and Hybrid Evaluation Platforms
  • Cross-Layer Techniques & Platforms

Please find here more about our …

Team
Teaching
Research

Latest News

Nov 6, 2025
COMSYS @ LCN 2025
COMSYS @ LCN 2025

COMSYS researcher Ina Fink attended the IEEE Conference on Local Computer Networks (LCN) 2025 in Sydney, where she presented her latest work on access control for industrial control systems.

Nov 6, 2025
PhD Defense of Ike Kunze
PhD Defense of Ike Kunze

On 24th October 2025, Ike Kunze successfully defended his Ph.D. thesis. Congratulations!

Oct 31, 2025
COMSYS @ IMC 2025
COMSYS @ IMC 2025

COMSYS student Michael Klopsch and COMSYS researcher Markus Dahlmanns attended this year’s Internet Measurement Conference (IMC'25). At the conference, Michael successfully presented our most recent work on active IPv6 scanning.

Sep 17, 2025
COMSYS Researcher Jan Pennekamp joins the RWTH's CCLS

The Center for Computational Life Sciences (CCLS) is delighted to welcome COMSYS researcher Dr. Jan Pennekamp!

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Teaching@COMSYS

Lecture | WS 25/26

Communication Systems Engineering (CSE)

Introductory courses in basic technology in data communication and operating systems

Lecture | WS 25/26

Datenkommunikation (DatKom)

Introduction to Data Communication and Computer Networks

Proseminar | WS 25/26

Proseminar on Lasting Research in Networks

Proseminar on enduring research topics in networks and the Internet

Seminar | WS 25/26

Seminar on Advanced Internet Technology

Block seminar on recent research in advanced Internet technology

Seminar | WS 25/26

Seminar on Internet Technology

Block seminar on recent advances in Internet technology

Latest Publications

Jan Pennekamp, Lennart Bader, Emildeon Thevaraj, Stefanie Berninger, Martin Perau, Tobias Schröer, Wolfgang Boos, Salil S. Kanhere, Klaus Wehrle. PRepChain: A Versatile Privacy-Preserving Reputation System for Dynamic Supply Chain Environments. Future Generation Computer Systems, vol. 175. February 2026.
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Johannes Lohmöller, Hajeong Jeon, Jael Hentschel, Klaus Wehrle, Jan Pennekamp. Between Promise and Practice: Challenges and Misperceptions of Applying Privacy Enhancing Technologies in Business Contexts. Proceedings of the 59th Hawaii International Conference on System Sciences (HICSS ‘26), Jan 6 - Jan 9, 2026, Lahaina, HI, USA. January 2026.
Accepted
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Anna Galanou, Florian Lubitz, Hajeong Jeon, Christof Fetzer, Rüdiger Kapitza. Full Trust Alchemist: Reforging Attestation for Cloud-based Confidential Workloads. Proceedings of the 26th ACM Middleware Conference (Middleware ’25), Dec 15 - Dec 19, 2025, Nashville, TN, USA. December 2025.
Accepted
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Jan Pennekamp, Johannes Lohmöller, Niels Pressel, Sandra Geisler, Felix M. Mottaghy, Klaus Wehrle. PatDiscover: Privacy-Preserving Discoverability of Patients. Proceedings of the 2nd Workshop on Cybersecurity in Healthcare (HealthSec ‘25), Dec 9, 2025, Honolulu, HI, USA, co-located with the 41st Annual Computer Security Applications Conference (ACSAC '25). December 2025.
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Soo-Yon Kim, Liam Tirpitz, Max Wagels, Benedikt T. Arnold, Christian Rennert, István Koren, Jannik Rapp, Mario Moser, Wil Van Der Aalst, Bernhard Rumpe, Robert H. Schmitt, Jan Pennekamp, Sandra Geisler. Dataspaces for Collaborative Research. Proceedings of the 2025 IEEE International Conference on Big Data (BigData ‘25), Dec 8 - Dec 11, 2025, Macau, China. December 2025.
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