distributed computer systems
People
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News (This webpage is no longer maintained)
- Oct 2019: I moved to Ruhr University Bochum where I am heading the
Distributed and Networked Systems Group. - Sep 2019: I am co-organizing the 5th Workshop on Network Calculus (WoNeCa-5).
- Oct 2018 - Sep 2019 I will be working with Yuming Jiang at NTNU Trondheim, funded by an ERCIM Fellowship.
- Nov 2018: Paper accepted at INFOCOM 2019!
- Jun - Aug 2018: I will be visiting Jörg Liebeherr in the Dept. of ECE at the University of Toronto.
- Jun 2018: Meet me at ACM SIGMETRICS 2018.
- Feb 2018: Meet me at MMB / WoNeCa-4.
- Jan 2018: I am a TPC member of the 2018 International Workshop on Network Calculus at ITC30.
- Dec 2017: Paper accepted at MMB 2018.
- Nov 2017 - Apr 2018: I will be working with Haifeng Yu in the School of Computing at the National University of Singapore.
- June 2017: Our SIGMETRICS paper is now available in ACM POMACS.
- Apr 2017: Paper accepted at ACM SIGMETRICS 2017!
- Jan 2017: Paper accepted at IEEE ICC 2017's Symposium on Communications QoS, Reliability and Modeling (CQRM).
- Nov 2016: Paper accepted at INFOCOM 2017!
Research Projects
- Integrated End-to-End Modeling and Analysis of Heterogeneous Distributed Systems with Real-time Constraints
(Carl-Zeiss funded, principal investogator) 2016-2018 - The Disco Deterministic Network Calculator - A Tool for Deterministic Network Calculus (project leader), 2013-2018
- CAFLOTRA (DFG funded), 2012-2016
- SeNeCa (DFG funded), 2008-2012
Selected Publications [Disco Library] [Google Scholar] [DBLP]
DeepTMA: Predicting Effective Contention Models for Network Calculus using Graph Neural Networks In Proc. of the 38th IEEE International Conference on Computer Communications (INFOCOM 2019), April 2019. (acceptance rate 19.7%) [bibtex] [pdf]
Quality and Cost of Deterministic Network Calculus – Design and Evaluation of an Accurate and Fast Analysis , In Proc. of the ACM SIGMETRICS International Conference on Measurement and Modeling of Computer Systems (SIGMETRICS 2017), June 2017. (acceptance rate 14.3%) [bibtex] [pdf]
Generalized Finitary Real-Time Calculus , In Proc. of the 36th IEEE International Conference on Computer Communications (INFOCOM 2017), May 2017. (acceptance rate 21%) [bibtex] [pdf]
Boosting Sensor Network Calculus by Thoroughly Bounding Cross-Traffic In Proc. of the 34th IEEE International Conference on Computer Communications (INFOCOM 2015), April 2015. (acceptance rate 19%) [bibtex] [pdf]
The DiscoDNC v2 – A Comprehensive Tool for Deterministic Network Calculus In Proc. of the 8th EAI International Conference on Performance Evaluation Methodologies and Tools (VALUETOOLS 2014) , December 2014. [bibtex] [pdf]
Teaching
I was a Docent in the Dept. of Computer Science at TUK where I taught the Worst-Case Analysis of Distributed Systems lecture ([89-4256] INF-42-56-V7).
The winter 2016/17 lecture material can be found here (accessible only within the TUK university network).
Supervising tutor (TA) during the following courses
- Seminar: Distributed Computer Systems SS16
- Project: PEDS WS14/15
- Seminar: Software-Defined Networking WS14/15
- Seminar: Mobile Computing WS13/14, WS11/12
- Seminar: Distributed and Networked Systems SS14, SS11, SS10
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Office Hours
- Monday through Thursday: 8.30am - 11.30am
- Friday 8.30am - 11am
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Former PhD Student I have graduated in June 2018 :). I am now a postdoctoral fellow at the Computer Science Department at Carnegie Mellon University in Pittsburgh. Thank you DISCO LAB: Jens, Steffen, Matze, Caro, Paul, and Anja! |
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Publication List
Research Interests
- Stochastic network calculus:
- Window flow control
- Arrival and Service Models
- Tool support and feed-forward networks (see DISCO Stochastic Network Calculator)
- Statistics in SNC
- Further methods and SNC (extreme value theory, actuarial mathematics, Copulas...)
- Applicatoin of SNC in new fields (smart grids, production networks, traffic control, caching networks...)
- Performance evaluation and modeling of distributed systems
- Queueing systems
- Communication systems
- Stochastic performance guarantees (QoS)
- Modeling of wireless sensor networks
Projects
DISCO Stochastic Network Calulator
A First Course to Stochastic Network Calculus
Presentation at Conferences
| CDC 2016 | December 12-14th | Las Vegas, USA |
| VALUETOOLS 2016 | October 26-28th | Taormina, Italy |
| Networks 2016 (Best Paper Award) | September 26-28th | Montreal, Canada |
| WoNeCa 2016 | April 6th | Münster, Germany |
| VALUETOOLS 2015 | December 14-16th | Berlin, Germany |
| Dagstuhl Seminar on Network Calculus 2015 | March, 8-11th | Dagstuhl, Germany |
| INFOCOM 2014 | April 27th - May 2nd | Toronto, Canada |
| VALUETOOLS 2013 | December 10-12th | Torino, Italy |
| VALUETOOLS 2012 | October 9-12th | Cargese, France |
| DCOSS 2012 | May 16-18th | Hangzhou, China |
| DCOSS 2011 | June 27-29th | Barcelona, Spain |
| PERFORMANCE 2010 | November 15-19th | Namur, Belgium |
Teaching Activities
Teaching assistant in the courses:
- Stochastic Analysis of Distributed Systems (2015/16)
- Worst-Case Analysis of Distributed Systems (2014/15)
- Quantitative Aspects of Distributed Systems (2014, 2015)
- Performance Modeling of Distributed Systems (2013/2014)
- Communication Systems (2011, 2012).
- Security in Distributed Systems (2010/11, 2011/12).
Supervised Theses
| Yinhua Xu | Achieving Robustness in MSN by scheduling the measurements |
| Simon Birnbach and Sebastian Henningsen | Applying Stochastic Network Calculus in Scenarios with Incomplete Knowledge |
| Ahmed Alsaedi | Optimization Methods for Stochastic Network Calculus Performance Bounds |
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Research Interests
| Activity in the following research areas: |
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Teaching Activities
| Supervising tutor and/or teaching assistant of the following courses: |
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Subcategories
University of Kaiserslautern
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