About our group

The Internet is the largest distributed system ever built and our mission is to empirically understand and optimze the Internet. Our research and teaching activities are concerned with the design principles of modern network and distributed systems, as well as their security aspects.




Prof. Dr. Oliver Hohlfeld
Head of the 
"Distributed Systems"group

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Core aspects of our research

  • Internet Data Science:
    Large-scale analysis of the Internet using by data science methods

  • Internet Security
    Empirical analysis of Internet security and methods to improve Internet security (e.g. anomaly detection / DDoS protection)

  • Social networks:
    Investigation of communication characteristics of social networks and methods for improving security

  • Internet Architecture:
    I    nvestigation of design principles of the future Internet

  • Quality of Experience:
    Investigation of the perceived quality of Internet services by means of psychological user studies
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The group is part of the 
Research Center for Information System Design (ITeG)

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