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 …

Teaching@COMSYS

Communication Systems Engineering (CSE)

Introductory courses in basic technology in data communication and operating systems

Datenkommunikation (DatKom)

Introduction to Data Communication and Computer Networks

Proseminar on Lasting Research in Networks

Proseminar on enduring research topics in networks and the Internet

Advanced Internet Technology (AIT)

This elective lecture introduces advanced networking techniques, focusing on scalability, reliability, and performance in modern networks. Topics include Peer-to-Peer systems, cloud computing, Software Defined Networking, sensor networks, and the Internet of Things.

Mobile Internet Technology (MIT)

This elective lecture explores the fundamentals of wireless communication, focusing on the unique challenges of mobility and security in wireless networks. Topics include Wi-Fi, mobile cellular networks, secure mobility protocols, and routing in mobile multi-hop networks.

Seminar on Internet Technology

This seminar explores advanced topics in Internet technology, including cyber-physical systems, network architectures, security, and systems analysis. Students will present their research in a talk, write a detailed paper, and participate in peer reviews and discussions.

Seminar on Advanced Internet Technology

This seminar explores advanced topics in advanced Internet technology, including cyber-physical systems, network architectures, security, and systems analysis. Students will present their research in a talk, write a detailed paper, and participate in peer reviews and discussions.

Practical Internet eXperience (PIX)

In this bachelor lab, students will build a mini-Internet by configuring routing protocols like OSPF and BGP and implement a transport protocol based on a provided specification. The course emphasizes practical skills in networking, software development, and teamwork, with a focus on testing and performance evaluation.

Proseminar on Networks & Security

This proseminar explores key topics in communication networks with a focus on Security & Privacy, covering both enduring research and emerging trends. Participants will work in pairs to write, review, and present scientific papers while attending preparatory lectures and a literature research course.

Proseminar on Lasting Research in Networks

This proseminar explores key topics in communication networks, covering both enduring research and emerging trends. Participants will work in pairs to write, review, and present scientific papers while attending preparatory lectures and a literature research course.

Security and Privacy Lunch

A bi-weekly lunch seminar discussing cutting-edge research in security and privacy from top conferences, fostering knowledge exchange and new ideas.

Latest Publications

PRepChain: A Versatile Privacy-Preserving Reputation System for Dynamic Supply Chain Environments. Future Generation Computer Systems, vol. 175. February 2026.
P4Ward: Fine-Grained Behavioral Policy Enforcement for Industrial Networks. Proceedings of the 50th IEEE Conference on Local Computer Networks (LCN ‘25), Oct 14 - Oct 16, 2025, Sydney, Australia. October 2025.
MAC Aggregation over Lossy Channels in DTLS 1.3. Proceedings of the 33rd IEEE International Conference on Network Protocols (ICNP ‘25), Sep 22 - Sep 25, 2025, Seoul, South Korea. September 2025.
Use Cases for In-Network Computing. RFC 9817, Internet Research Task Force. August 2025.
GeCos Replacing Experts: Generalizable and Comprehensible Industrial Intrusion Detection. Proceedings of the 34th USENIX Security Symposium (USENIX Sec ‘25), Aug 13 - Aug 15, 2025, Seattle, WA, USA. August 2025.