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October 4-6 in Berlin, Germany
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Wednesday, October 5 • 14:30 - 15:20
Flowgrind: A TCP Traffic Generator for Developers - Arnd Hannemann, credativ GmbH

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During the last decades TCP and the networks it is used in steadily evolved. To aid further development it is crucial to give researchers and developers measurement tools so they can evaluate and analyze their TCP modifications in real world network environments. In this presentation we show our tool flowgrind. Unlike existing measurement tools, flowgrind's distributed architecture allows for an easy setup of complex scenarios (Fairness measurements with different congestion control mechanisms, cross-traffic, separation of test and control traffic etc.). Besides the usual application perceived metrics it can also measure core variables from the operating system's TCP implementation (tcp_info struct) thus enabling the developers to analyze and understand the interactions between TCP and the underlying network.


Arnd Hannemann

Technical Lead, credativ GmbH
Arnd Hannemann has more than 15 years experience in developing and maintaining Linux systems. Since starting to work within the GNU/Linux open source ecosystem he has been involved in several Open Source projects including the | Linux kernel. He studied Computer Science at the RWTH University in Aachen.During the time at university he has been involved in the TCP Maintenance and Minor Extensions working group within the IETF and co-Authored the... Read More →

Wednesday October 5, 2016 14:30 - 15:20
Charlottenburg I/II