Torsten Zimmermann, M. Sc.

Communication and Distributed Systems
RWTH Aachen University
Ahornstr. 55
52074 Aachen, Germany

E-Mail: zimmermann[[at]]
Phone: +49 241 80-21414
Office: Building E3, Room 9016


Short CV

Since June 2013, I am a researcher and Ph.D. student at the Chair of Communication and Distributed Systems. I received my master's degree in computer science at RWTH Aachen University in April 2013. As a member of the Network Architectures group, my research interests lie in scalable and adaptive networks, as well as in content distribution and realization of services for constrained, opportunistic and traditional networks. Currently, I am working in the MAKI project, which aims at developing scalable and adaptive mechanisms for the future Internet. 



The basis for this project was a thesis supervised by Jan Rüth and me. The goal is to provide an affordable and mobile power monitoring solution for mobile devices. The resulting device, named PowerGraph, is realized as an extension board for the Raspberry Pi (B+). More information, e.g., the hardware schematics and the developed software, can be found here

HTTP/2 Server Push

Currently, the web is experiencing a major protocol shift from HTTP/1.1 to HTTP/2. Among several new techniques used in HTTP/2, Server Push has the potential to reduce the overall page load time by allowing the server to push content to the client without an explicit request. To evaluate the overall HTTP/2 adoption and the use of Server Push, we conducted a large scale measurement study. More information about the study and the result will be made available at




Torsten Zimmermann, Benedikt Wolters and Oliver Hohlfeld
A QoE Perspective on HTTP/2 Server Push
ACM SIGCOMM 2017 2nd Workshop on QoE-based Analysis and Management of Data Communication Networks (Internet-QoE 2017), Los Angeles, USA
Publisher: ACM,
August 2017
ISBN: 978-1-4503-5056-3
Proceedings of the 16th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom), Sydney, NSW, Australia , page 185-192.
Publisher: IEEE,
August 2017
ISBN: 978-1-5090-4905-9
Resource and Execution Control for Mobile Offloadee Devices
14th IEEE International Conference on Sensing, Communication, and Networking (SECON 2017), San Diego, USA
Publisher: IEEE,
June 2017
ISBN: 978-1-5090-6599-8
Torsten Zimmermann, Jan Rüth, Benedikt Wolters and Oliver Hohlfeld
Proceedings of the 16th International IFIP Networking Conference (NETWORKING'17), Stockholm, Sweden
Publisher: IEEE,
June 2017
ISBN: 978-3-901882-94-4
Encrypting Data to Pervasive Contexts
Proceedings of the 2017 IEEE International Conference on Pervasive Computing and Communications (PerCom), Kona, Big Island, HI, USA
Publisher: IEEE,
March 2017
ISBN: 978-1-5090-4328-6
Communication and Networking for the Industrial Internet of Things
In Jeschke, Sabina and Brecher, Christian and Song, Houbing and Rawat, Danda B., editor, Industrial Internet of Things
page 317-346.
Publisher: Springer,
ISBN: 978-3-319-42558-0


Marc Werner, Johannes Schwandtke, Matthias Hollick, Oliver Hohlfeld, Torsten Zimmermann and Klaus Wehrle
STEAN: A Storage and Transformation Engine for Advanced Networking Context
Proceedings of the 15th International IFIP Networking Conference (NETWORKING'16), Vienna, Austira
Publisher: IEEE,
May 2016
ISBN: 978-3-9018-8283-8
Alexander Frömmgen, Tobias Erbshäuser, Torsten Zimmermann, Klaus Wehrle and Alejandro Buchmann
ReMP TCP: Low Latency Multipath TCP
Proceedings of the IEEE International Conference on Communications (ICC 2016), Kuala Lumpur, Malaysia
Publisher: IEEE,
May 2016
ISBN: 978-1-4799-6664-6
12th International Conference on Wireless On-demand Network Systems and Services (WONS), Cortina d'Ampezzo, Italy , page 25-32.
Publisher: IEEE,
January 2016
ISBN: 978-3-901882-80-7


Alexander Frömmgen, Tobias Erbshäuser, Torsten Zimmermann, Klaus Wehrle and Alejandro Buchmann
Remp TCP: Low latency Multipath TCP
Proceedings of the 2015 CoNEXT on Student Workshop, CoNEXT Student Workshop, Heidelberg, Germany
Publisher: ACM,
December 2015
40th IEEE Conference on Local Computer Networks (LCN), Clearwater Beach, USA , page 19-27.
Publisher: IEEE,
October 2015
12th IEEE International Conference on Sensing, Communication, and Networking (SECON 2015), Seattle, USA , page 256-264.
Publisher: IEEE,
June 2015
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