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Tuesday, October 6 • 14:00 - 14:50
Reducing Latency for Linux Transport - Andreas Petlund, Simula Research Laboratory & Dr. Per Hurtig, Karlstad University

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Linux networking, and especially Linux TCP has seen a lot of development recently. In the Reducing Internet Transport Latency (RITE) EU project, one of the goals is to develop networking technology that enables lower latency transport available to the public and industry, and Linux is at the centre of this focus. Prototypes implemented in the Linux kernel includes keeping the congestion window appropriately open for bursty traffic (newCWV) [1], Faster retransmissions for application limited flows (RTO restart and TLP restart) [2], Redundant bundling to avoid retransmissions for thin streams [3] and bringing hybrid delay-based congestion control to the Linux kernel for less queue buildup in bottlenecks [4]. Our talk will present these latency enhancements in the Kernel.
[1] http://bit.ly/1KVKeyb
[2] http://bit.ly/1FkmGvL
[3] http://bit.ly/1ejYIvC
[4] http://bit.ly/1HOwZhU


Dr. Per Hurtig

Dr. Per Hurtig received his Ph.D. in Computer Science in 2012 from Karlstad University, Sweden. In his thesis, he focused on low-latency transport for short-lived flows, a work that resulted in several mechanisms to reduce transport-level latency, some now being available by default in the Linux kernel. Currently, he is assistant professor at the Department of Computer Science, Karlstad University, Sweden, where he mainly conducts research within... Read More →

Andreas Petlund

Research Scientist, Simula Research Laboratory
I am currently working for Simula Research Laboratory as Research Scientist and head of the Media Performance Group (MPG): https://www.simula.no/research/communication-systems/media | | Main research interests: | - Transport protocols. | - Real-time and multimedia network communication. | - Hardware offloading and parallelisation. | | | Coordinator of the RITE FP7 EU project (www.riteproject.eu) | Project manager of the TimeIn... Read More →

Tuesday October 6, 2015 14:00 - 14:50