P2P Networks

Welcome to the website of the P2P Networks Group at TU Darmstadt. We are analyzing all aspects of the Peer-to-Peer distributed networking paradigm, with a special focus on how p2p may help providing an infrastructure for new applications and how decentralized systems in general can be made robust, resilient, and secure.


Current News

Change of Affiliation

Thorsten Strufe now holds the Chair of Privacy and Security at TU Dresden.

Academics Against Mass Surveillance

Last summer it was revealed, largely thanks to Edward Snowden, that American and European intelligence services are engaging in mass surveillance of hundreds of millions of people.

Intelligence agencies monitor people's Internet use, obtain their phone calls, email messages, Facebook entries, financial details, and much more. Agencies have also gathered personal information by accessing the internal data flows of firms such as Google and Yahoo. Skype calls are "readily available" for interception. Agencies have purposefully weakened encryption standards - the same techniques that should protect our online banking and our medical files. These are just a few examples from recent press reports. In sum: the world is under an unprecedented level of surveillance.

This has to stop.

The right to privacy is a fundamental right. It is protected by international treaties, including the International Covenant on Civil and Political Rights and the European Convention on Human Rights. Without privacy people cannot freely express their opinions or seek and receive information. Moreover, mass surveillance turns the presumption of innocence into a presumption of guilt. Nobody denies the importance of protecting national security, public safety, or the detection of crime. But current secret and unfettered surveillance practices violate fundamental rights and the rule of law, and undermine democracy.

The signatories of this declaration call upon nation states to take action. Intelligence agencies must be subjected to transparency and accountability. People must be free from blanket mass surveillance conducted by intelligence agencies from their own or foreign countries. States must effectively protect everyone's fundamental rights and freedoms, and particularly everyone's privacy.

January 2014

Springer "Benchmarking P2P Systems" published

Our new book on benchmarking P2P systems is out. It collects the main findings of the six years of our collaborative research group "QuaP2P" and is co-edited by Ralf Steinmetz, Wolfgang Effelsberg, and Thorsten Strufe.

Darmstadt Social Media Monitor

An update of our study on the adoption of different social networking services, which we are performing in cooperation with the eMarkets group of Prof. Oliver Hinz, is currently making it through the news, again..




Current Projects

  • DFG SFB “MAKI: Multi-Mechanismen Adaption für das zukünftige Internet”, project "C04: Nutzerzentrische Sicht"
  • DFG Grant “Widerstandsfähige Einbettungsverfahren für Friend-to-Friend-Netzwerke”
  • BMBF KMU-Innovativ "An Optic's Life"
  • BMBF Software-Campus "Incremental Graph-theoretic Analysis of Dynamic Systems”
  • Alexander von Humboldt Research Group VNCert/University of Civil Engineering Hanoi and TU Darmstadt
  • BMBF Research Cooperation NTU Singapore and TU Darmstadt
  • Erasmus Summerschool "Networked Social Media"
  • DAAD Scholarship "Supporting User Interactivity in large-scale P2P-based Video-on-Demand Systems"
  • DAAD Scholarship "Adaptive State Management System for Peer-to-Peer Systems"

Recently finished Projects

  • DFG Research Group "QuaP2P" (2010-2013)
  • P2P-based Social-IPTV Service Enabler (w./ ETRI, Korean Communications Commission, 2010-2013)
  • IPTV2.0: Feasibility of IPTV-based Social-TV (Electronics Telecommunications Research Institute of Korea (ETRI), 2009)
  • EU Erasmus Intensive Programme "Moving Social and Mobile" (Windsor, UK, 2013)
  • EU Erasmus Summerschool "Moving Social and Mobile" (Modena, Italy, 2012)



The P2P Networks Group is associated with the Telecooperations - Lab, which hosts a wide range of research on distributed systems.

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