Research Interests

This page gives an overview of our current research topics. The menu on the left contains links to further information about all the more prominent research projects and conferences we are involved in. This list of projects covers both funded research as well as our internal projects providing prototypes and software.

In our efforts to provide peer-to-peer based social networking services we have gathered and analysed several data sets. All our anonymized data sets are available for scientific purposes upon request, please just send an email detailing your scientific interest, your work, and the experiments you're planning to do on our data sets to Thorsten Strufe.

Previous Research Projects

In previous years we have been involved in a couple of successfully conducted research projects, which include the following.


QuaP2P: This DFG Research Group ("Forschergruppe") aimed at analyzing quality properties that are important for different types of P2P overlays. The goal was to build a widely accepted benchmarking scheme in order to make it possible to compare different P2P systems in a fair and sensible way. It is funded by the DFG (the German national science foundation) and it has led to the publication of our latest book "Benchmarking Peer-to-Peer Systems" (Springer LNCS 7847).

Safebook has been developed as one of the first fully implemented P2P Online Social Networks. Online Social Networks are the currently most frequently used services for consumers on the Web, which attract the highest amount of their online time. They also generate the largest collections of user data, and are a primary cause for network traffic. However, knowing about a wide range of security problems of the existing Social Networking Services, with the service provider being a big brother that keeps track of all published data and uses it for commercial purposes, we aimed at creating a privacy preserving and secure social networking service, based on P2P. Safebook was a cooperation of the P2P Networks Group, TU Darmstadt, and EURECOM. It terminally has been sold to the MatchUpBox startup, causing us to concentrate on novel architectures and solutions to provide secure social networking services.

SocialTV Service Technologies has been a large collaborative research project between TU Darmstadt (P2P, TK, KOM) and the Korean Electronics Telecommunications Research Institute (ETRI), funded by the Korean Communications Commission (KCC). Throughout the project the partners developed and implemented a testbed for Social-TV services and their delivery. The contributions revolved around the tree main fields of Human Computer Interaction and building usable interfaces for SocialTV services, efficient and resilient live-stream transmission infrastructures, and Video-on-Demand or crowd sourced video provision.

EU/ERASMUS Intensive Programme on "Multimedia and the Future Internet: Moving Social and Mobile" (Cumberland Lodge, Windsor, UK, August 5-16 2013). A reprise of our summer school of 2012, with lectures on updated topics, including Machine Learning and Recommendation Systems.

EU/ERASMUS Summer School "Multimedia and the Future Internet: Moving Social and Mobile" (Modena, Italy, July 8-21 2012). The Summer School dealt with the most pressing IT challenges on the Internet, today: the provisioning of demanding video services over the Internet, blended with the innovative aspects of mobile social networking.

IPTV2.0 has been a collaborative project between TU Darmstadt and the Korean ETRI (Electronics Telecommunications Research Institute of Korea), and was funded by the Korean government. The goal was to analyze the feasibility how future IPTV services can be provided, based on decentralized (P2P) mechanisms in a reliable and secure way. New services and possible applications making the next generation IPTV more attractive were identified and sketched. Next generation networking technologies have also been analyzed for the possibility of cross-layer optimization in this context.

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