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How to measure the speed of light with programmable data plane hardware?

Kundel, Ralf and Siegmund, Fridolin and Koldehofe, Boris (2019):
How to measure the speed of light with programmable data plane hardware?
In: ACM/IEEE Symposium on Architectures for networking and communications systems, Cambridge, UK, 23.-25.09.2019, [Online-Edition: ftp://ftp.kom.tu-darmstadt.de/papers/KSK19.pdf],
[Conference or Workshop Item]

Abstract

Driven by real-time applications such as IIoT, TSN and vehic- ular networks, the optimization of networks and its elements regarding latency and throughput becomes more and more important. With this demo we show how latencies of network components can be identified within nanosecond accuracy by use of commodity P4 hardware. We show a measured propagation speed of 5ns/m in fiber optical cables. Besides that, our approach scales up to 100Gbit/s link speed by the aggregation of many low-cost load generators to a flexible software-based load generation.

Item Type: Conference or Workshop Item
Erschienen: 2019
Creators: Kundel, Ralf and Siegmund, Fridolin and Koldehofe, Boris
Title: How to measure the speed of light with programmable data plane hardware?
Language: English
Abstract:

Driven by real-time applications such as IIoT, TSN and vehic- ular networks, the optimization of networks and its elements regarding latency and throughput becomes more and more important. With this demo we show how latencies of network components can be identified within nanosecond accuracy by use of commodity P4 hardware. We show a measured propagation speed of 5ns/m in fiber optical cables. Besides that, our approach scales up to 100Gbit/s link speed by the aggregation of many low-cost load generators to a flexible software-based load generation.

Divisions: 18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Institute of Computer Engineering
18 Department of Electrical Engineering and Information Technology > Institute of Computer Engineering > Multimedia Communications
DFG-Collaborative Research Centres (incl. Transregio)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > C: Communication Mechanisms
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > C: Communication Mechanisms > Subproject C2: Information-centred perspective
Event Title: ACM/IEEE Symposium on Architectures for networking and communications systems
Event Location: Cambridge, UK
Event Dates: 23.-25.09.2019
Date Deposited: 03 Apr 2020 07:41
Official URL: ftp://ftp.kom.tu-darmstadt.de/papers/KSK19.pdf
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