Florian Wohlfart, M.Sc.

Research Associate
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Postal address

  • Institut für Informatik der
  • Technischen Universität München
  • Lehrstuhl I8
  • Boltzmannstr. 3
  • 85748 Garching bei München - Germany

Contact

  • Tel: +49 89 289 - 18019
  • Fax: +49 89 289 - 18033
  • e-Mail: wohlfartAtin.tum.de
    (GPG: D7EE FD2F 3BA8 CC0E A20D 477A F3D8 8F93 7F5A 6082)
  • Building/Room: MI Building, 03.05.043

Research

  • Performance of Software Packet Processing, e.g. Software Routers
  • Middleboxes Netalyzr, TUM NAT-Analyzer
  • Network Monitoring

projects

  • AutoMon: Automatisiertes Performance-Monitoring (2016 – 2019)
  • DFG MEMPHIS: Measurement- and model-based performance evaluation and speed-up of communications of multiprocessor PC systems in high-speed networks (2012 – 2016)

Teaching

Supervised Theses

In progress

Student Title Type Advisors Links
Tobias Brunnwieser A Framework for Detection and Analysis of HTTPS Interception MA Oliver Gasser, Sree Harsha Totakura, Florian Wohlfart

Finished

Author Title Type Advisors Links
Bastian Hofmann Benchmarking of Docker-based Network Functions BA Daniel Raumer, Florian Wohlfart Pdf
Thomas Eidenmüller Analysis of Parallel Packet Processing on NUMA Architectures BA Daniel Raumer, Florian Wohlfart Pdf
Johannes Schleger Understanding the State of SSL/TLS Interception IDP Florian Wohlfart Pdf
Simon Sternsdorf Performance Analysis of Middlebox Functionality BA Florian Wohlfart Pdf
Sven Hertle Analysis of cellular ISP networks MA Florian Wohlfart Pdf
Tobias Betz Development of a hardware-abstraction layer for the Baltikum test framework IDP Florian Wohlfart, Daniel Raumer Pdf
Jonas Heintzenberg Browser-based Internet connection testing BA Florian Wohlfart, Oliver Gasser Pdf
Christoph Schwarzenberg A System for Evaluation of Network Experiments in Multiuser Testbeds IDP Daniel Raumer, Florian Wohlfart Pdf
Christoph Schwarzenberg A Data Analysis and Visualization Framework for Scientific Workflow Support BA Daniel Raumer, Florian Wohlfart Pdf
Johannes Fischer Browser-based Internet connection testing MA Florian Wohlfart, Oliver Gasser Pdf
Fabian Kaiser Performance analysis of SnabbSwitch with emulated network function chains BA Daniel Raumer, Florian Wohlfart Pdf
Michael Remmler Entwicklung eines OpenFlow-Switch Benchmarks MA Daniel Raumer, Florian Wohlfart Pdf
Stefan Kreuzer Automation of Virtual Machine Setups for Network Experiments BA Paul Emmerich, Daniel Raumer, Florian Wohlfart Pdf
Marcel Sütterlin Analysis of the FreeBSD Network Stack Performance BA Sebastian Gallenmüller, Daniel Raumer, Florian Wohlfart Pdf
Dominik Scholz Component Interaction Models for Linux-based Network Systems GR Florian Wohlfart, Daniel Raumer, Paul Emmerich Pdf
Thomas Schultz A Test Bench for SDN Device Certification MA Daniel Raumer, Florian Wohlfart, Paul Emmerich Pdf
Rainer Schönberger A Modular Software Router based on DPDK MA Paul Emmerich, Daniel Raumer, Florian Wohlfart, Sebastian Gallenmüller
Sven Hertle Smart Meter - Energy Measurement in Data Centers IDP Daniel Raumer, Sebastian Gallenmüller, Florian Wohlfart Pdf
Peter Pfrommer Evaluation of High-Performance Packet IO for Servers based on Commodity Hardware BA Daniel Raumer, Florian Wohlfart Pdf
Lukas Erlacher Temporal Behavior of PC-based Packet Processing MA Paul Emmerich, Daniel Raumer, Florian Wohlfart Pdf
Stefan Edinger QoS-differentiation in Software Routers BA Daniel Raumer, Florian Wohlfart, Paul Emmerich Pdf
Simon Gallitscher Performance Evaluation of Software-based Packet Processing in Commodity Routers BA Paul Emmerich, Daniel Raumer, Florian Wohlfart Pdf
Sebastian Gallenmüller Comparison of Memory Mapping Techniques for High-Speed Packet Processing MA Daniel Raumer, Florian Wohlfart Pdf
Paul Emmerich A Performance Analysis of Open vSwitch MA Florian Wohlfart, Daniel Raumer Pdf
Christian Fuchs Network Delay Measurements with Commodity Hardware BA Daniel Raumer, Florian Wohlfart Pdf
Dominik Scholz A Model for Performance Prediction in PC-based Packet Processing Systems BA Florian Wohlfart, Daniel Raumer Pdf
Zubair Hafeez A Case Study of Software Defined Networking (SDN) Deployments MA Daniel Raumer, Florian Wohlfart Pdf
Tobias Betz Scientific Workflow Optimization in Networking Testbeds BA Daniel Raumer, Florian Wohlfart, Paul Emmerich Pdf
Linus Lotz Energy Efficiency of Software Routers IDP Daniel Raumer, Florian Wohlfart Pdf
Felix Lampe Scaling of Future Software Router Architectures BA Florian Wohlfart, Daniel Raumer, Paul Emmerich Pdf
Denis Huber A Toolbox for Scientific Workflow Management in Network Measurement Projects BA Florian Wohlfart, Daniel Raumer Pdf
Alexander Schubert Resource Mapping for Network Experiments BA Daniel Raumer, Florian Wohlfart
Syed Rizvi Software Defined Networking (SDN) for ISP Networks MA Daniel Raumer, Florian Wohlfart Pdf
Alexander Mildner Beyond RFC 2544: A Framework for Device Benchmarking BA Daniel Raumer, Florian Wohlfart Pdf
Robert Schmidpeter On the Trail of Packets in PC-based Packetprocessing Systems BA Daniel Raumer, Florian Wohlfart Pdf
Ahmed Sghaier Autoconfiguration of Emulated Networks BA Daniel Raumer, Florian Wohlfart Pdf
Thomas Schultz A Performance Analysis of PC-based Software Routers BA Florian Wohlfart, Daniel Raumer Pdf

Publications

2018-01-01 Sebastian Gallenmüller, Dominik Scholz, Florian Wohlfart, Quirin Scheitle, Paul Emmerich, Georg Carle, “High-Performance Packet Processing and Measurements (Invited Paper),” in 10th International Conference on Communication Systems & Networks (COMSNETS 2018), Bangalore, India, Jan. 2018. [Pdf] [Bib]
2017-11-01 Patricia Callejo, Connor Kelton, Narseo Vallina-Rodriguez, Rubén Cuevas, Oliver Gasser, Christian Kreibich, Florian Wohlfart, Ángel Cuevas, “Opportunities and Challenges of Ad-based Measurements from the Edge of the Network,” in Proc. of the 16th ACM Workshop on Hot Topics in Networks, Nov. 2017. [Url] [Pdf] [Bib]
2017-07-01 Paul Emmerich, Daniel Raumer, Sebastian Gallenmüller, Florian Wohlfart, Georg Carle, “Throughput and Latency of Virtual Switching with Open vSwitch: A Quantitative Analysis,” to appear in Journal of Network and Systems Management, Jul. 2017. [DOI] [Bib]
2017-05-01 Wolfgang Hahn, Borislava Gajic, Florian Wohlfart, Daniel Raumer, Paul Emmerich, Sebastian Gallenmüller, Georg Carle, “Feasibility of Compound Chained Network Functions for Flexible Packet Processing,” in International Workshop on 5G Enabling Technologies for the Internet of Things (GET-IoT) at the 23rd European Wireless (EW2017), Dresden, Germany, May 2017. [Pdf] [Bib]
2016-11-01 Philipp Richter, Florian Wohlfart, Narseo Vallina-Rodriguez, Mark Allman, Randy Bush, Anja Feldmann, Christian Kreibich, Nicholas Weaver, Vern Paxson, “A Multi-perspective Analysis of Carrier-Grade NAT Deployment,” in Proceedings of the 2016 ACM on Internet Measurement Conference, New York, NY, USA, Nov. 2016, pp. 215–229. [Url] [Pdf] [DOI] [Bib]
2016-10-01 daniel raumer, sebastian gallenmüller, paul emmerich, lukas märdian, florian wohlfart, georg carle, “efficient serving of vpn endpoints on cots server hardware,” in 2016 ieee 5th international conference on cloud networking (cloudnet’16), pisa, italy, Oct. 2016. [Pdf] [Bib]
2016-07-01 Daniel Raumer, Sebastian Gallenmüller, Florian Wohlfart, Paul Emmerich, Patrick Werneck, Georg Carle, “Revisiting Benchmarking Methodology for Interconnect Devices,” in The Applied Networking Research Workshop 2016 (ANRW ’16), Berlin, Germany, Jul. 2016. [Pdf] [Bib]
2015-10-01 Paul Emmerich, Sebastian Gallenmüller, Daniel Raumer, Florian Wohlfart, Georg Carle, “MoonGen: A Scriptable High-Speed Packet Generator,” in Internet Measurement Conference (IMC) 2015, IRTF Applied Networking Research Prize 2017, Tokyo, Japan, Oct. 2015. [Pdf] [Bib]
2015-09-01 Daniel Raumer, Florian Wohlfart, Dominik Scholz, Georg Carle, “Performance Exploration of Software-based Packet Processing Systems,” in Proceedings of Leistungs-, Zuverlässigkeits- und Verlässlichkeitsbewertung von Kommunikationsnetzen und Verteilten Systemen, 6. GI/ITG-Workshop MMBnet 2015, Hamburg, Germany, Sep. 2015. [Pdf] [Bib]
2015-09-01 Torsten Runge, Daniel Raumer, Florian Wohlfart, Bernd E. Wolfinger, Georg Carle, “How Do Multiple Network Cards Influence the Software Router Performance?,” in Proceedings of Leistungs-, Zuverlässigkeits- und Verlässlichkeitsbewertung von Kommunikationsnetzen und Verteilten Systemen, 6. GI/ITG-Workshop MMBnet 2015, Hamburg, Germany, Sep. 2015. [Pdf] [Bib]
2015-07-01 Paul Emmerich, Daniel Raumer, Alexander Beifuß, Lukas Erlacher, Florian Wohlfart, Torsten M. Runge, Sebastian Gallenmüller, Georg Carle, “Optimizing Latency and CPU Load in Packet Processing Systems,” in International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS 2015), Chicago, IL, USA, Jul. 2015. [Pdf] [Bib]
2015-06-01 Viktor Goldberg, Florian Wohlfart, Daniel Raumer, “Datacenter Network Virtualization in Multi-Tenant Environments,” in 8. DFN-Forum Kommunikationstechnologien, Jun. 2015. [Pdf] [Bib]
2015-05-01 Sebastian Gallenmüller, Paul Emmerich, Florian Wohlfart, Daniel Raumer, Georg Carle, “Comparison of Frameworks for High-Performance Packet IO,” in ACM/IEEE Symposium on Architectures for Networking and Communications Systems (ANCS 2015), Oakland, CA, USA, May 2015. [Pdf] [Bib]
2015-04-01 Torsten M. Runge, Daniel Raumer, Florian Wohlfart, Bernd E. Wolfinger, Georg Carle, “Towards Low Latency Software Routers,” Journal of Networks (JNW), Vol 10, No 4, Apr. 2015. [Pdf] [Bib]
2015-04-01 Paul Emmerich, Daniel Raumer, Florian Wohlfart, Georg Carle, “Assessing Soft- and Hardware Bottlenecks in PC-based Packet Forwarding Systems,” in Fourteenth International Conference on Networks (ICN 2015), Best Paper Award, Barcelona, Spain, Apr. 2015. [Pdf] [Bib]
2015-03-01 Alexander Beifuß, Daniel Raumer, Paul Emmerich, Torsten M. Runge, Florian Wohlfart, Bernd E. Wolfinger, Georg Carle, “A Study of Networking Software Induced Latency,” in 2nd International Conference on Networked Systems 2015 (NetSys’15), Cottbus, Germany, Mar. 2015. [Pdf] [Bib]
2015-01-01 Syed Naveed Rizvi, Daniel Raumer, Florian Wohlfart, Georg Carle, “Towards Carrier Grade SDNs,” Journal of Computer Networks, 2015. [Pdf] [Bib]
2014-12-01 Paul Emmerich, Daniel Raumer, Florian Wohlfart, Georg Carle, “A Study of Network Stack Latency for Game Servers,” in 13th Annual Workshop on Network and Systems Support for Games (NetGames’14), Nagoya, Japan, Dec. 2014. [Pdf] [Bib]
2014-10-01 Paul Emmerich, Daniel Raumer, Florian Wohlfart, Georg Carle, “Performance Characteristics of Virtual Switching,” in 2014 IEEE 3rd International Conference on Cloud Networking (CloudNet’14), Luxembourg, Oct. 2014. [Pdf] [Bib]
2014-07-01 Torsten Meyer, Daniel Raumer, Florian Wohlfart, Bernd E. Wolfinger, Georg Carle, “Low latency Packet Processing in Software Routers,” in International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS 2014), Best Paper Award, Monterey, CA, USA, Jul. 2014. [Pdf] [Bib]
2014-03-01 Torsten Meyer, Florian Wohlfart, Daniel Raumer, Bernd E. Wolfinger, Georg Carle, “Validated Model-Based Prediction of Multi-Core Software Router Performance,” Praxis der Informationsverarbeitung und Kommunikation (PIK), vol. 37.2, pp. 93–107, Mar. 2014. [Pdf] [Bib]
2013-12-01 Andreas Müller, Florian Wohlfart, Georg Carle, “Analysis and Topology-based Traversal of Cascaded Large Scale NATs,” in HotMiddlebox: ACM CoNEXT Workshop on Hot Topics in Middleboxes and Network Function Virtualization, Santa Barbara, CA, USA, Dec. 2013. [Pdf] [Bib]
2013-09-01 Torsten Meyer, Florian Wohlfart, Daniel Raumer, Bernd E. Wolfinger, Georg Carle, “Measurement and Simulation of High-Performance Packet Processing in Software Routers,” in Proceedings of Leistungs-, Zuverlässigkeits- und Verlässlichkeitsbewertung von Kommunikationsnetzen und Verteilten Systemen, 5. GI/ITG-Workshop MMBnet 2013, Hamburg, Germany, Sep. 2013. [Pdf] [Bib]