Research and Academic Activities

Main Interests

• Dependability and Security in Distributed Systems
• Distributed Algorithms, Replication, BFT Systems
• Cloud Computing
• Virtualization

Projects

• - Privacy and Resilience for Internet-scale Critical Infrastructure
• REFIT - Resource-Efficient Fault and Intrusion Tolerance

Publications

2018

• Bijun Li, Nico Weichbrodt, Johannes Behl, Pierre-Louis Aublin, Tobias Distler and Rüdiger Kapitza: Troxy: Transparent Access to Byzantine Fault-Tolerant Systems, in Proceedings of the 48th International Conference on Dependable Systems and Networks, DSN'18, 2018 (bli2018troxy, BibTeX)

2017

• Johannes Behl, Tobias Distler and Rüdiger Kapitza: Hybrids on Steroids: SGX-based High Performance BFT, in Proceedings of the 12th European Conference on Computer Systems (EuroSys '17), 2017 (behl17hybster, BibTeX)
• Rainer Schiekofer, Johannes Behl and Tobias Distler: Agora: A Dependable High-Performance Coordination Service for Multi-Cores, in Proceedings of the 47th International Conference on Dependable Systems and Networks (DSN '17), 2017 (schiekofer17agora, BibTeX, to appear)

2015

• Johannes Behl, Tobias Distler and Rüdiger Kapitza: Consensus-Oriented Parallelization: How to Earn Your First Million, in Proceedings of the 16th Annual Middleware Conference (Middleware '15), pages 173-184, ACM, 2015 (behl15cop, DOI, BibTeX)

2014

• Johannes Behl, Tobias Distler and Rüdiger Kapitza: Scalable BFT for Multi-Cores: Actor-Based Decomposition and Consensus-Oriented Parallelization, in Proceedings of the 12th Workshop on Hot Topics in System Dependability (HotDep '14), USENIX Association, 2014 (hotdep14sbft, BibTeX)

2012

• Johannes Behl, Tobias Distler and Rüdiger Kapitza: DQMP: A Decentralized Protocol to Enforce Global Quotas in Cloud Environments, in Proceedings of the 14th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS '12), Toronto, Canada, October 2012 (behl12sss, BibTeX)
• Johannes Behl, Tobias Distler, Florian Heisig, Rüdiger Kapitza and Matthias Schunter: Providing Fault-tolerant Execution of Web-service-based Workflows within Clouds, in Proceedings of the 2nd International Workshop on Cloud Computing Platforms (CloudCP '12), Guillaume Pierre and Valentin Cristea, Bern, Switzerland, pages 7:1-7:6, 2012 (behl12cloudcp, DOI, BibTeX)
• Rüdiger Kapitza, Johannes Behl, Christian Cachin, Tobias Distler, Simon Kuhnle, Seyed Vahid Mohammadi, Wolfgang Schröder-Preikschat and Klaus Stengel: CheapBFT: Resource-efficient Byzantine Fault Tolerance, in Proceedings of the EuroSys 2012 Conference (EuroSys '12), European Chapter of ACM SIGOPS, Bern, Switzerland, pages 295-308, 2012 (kapitza12eurosys, DOI, BibTeX)

Teaching

Summer Term 2014

Summer Term 2013

Summer Term 2012

Supervised Theses

The list of theses presented here is not necessarily complete. Open, in particular, but also running theses can serve as a good indicator in which areas topics might be located. However, the general rule is: If you are looking for possible topics, feel free to contact me and ask for current theses!

Completed theses