Literature Database Entry

stubbe2024exploring

Henning Stubbe, Sebastian Gallenmüller, Manuel Simon, Eric Hauser, Dominik Scholz and Georg Carle, "Exploring Data Plane Updates on P4 Switches with P4Runtime," Elsevier Computer Communications, vol. 225, pp. 44–53, September 2024.

Abstract

The development and roll-out of new Ethernet standards increase the available bandwidths in computer networks. This growth presents significant advantages, enabling novel applications. At the same time, the increase introduces new challenges; higher data rates reduce the available time budget to process each packet. This development also impacts software-defined networks. Their data planes need to keep up with the increased traffic rates. Nevertheless, the control plane must not be ignored; fast reaction times are necessary to handle the increased rates handled by data planes efficiently. In our work, we analyze the interaction of a high-performance data plane and different implementations for the control plane. We selected a P4 switching ASIC as our data plane. For the control plane, we investigate vendor-specific implementations and a standardized implementation called P4Runtime. To determine the performance of the control plane, we introduce a novel measurement methodology. This methodology allows measuring the delay between the initiation of rule updates on the control plane and their application on the data plane. We investigate the behavior of the data plane, its performance and non-atomicity of updates. Based on our findings, we apply different optimization strategies to improve control plane performance. Our measurements show that neglecting the control plane performance may impact network behavior due to delayed updates, but we also show how to minimize this delay and, thereby, its impact. We have released the experiment artifacts of our study including experiment scripts and measurement data.

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Henning Stubbe
Sebastian Gallenmüller
Manuel Simon
Eric Hauser
Dominik Scholz
Georg Carle

BibTeX reference

@article{stubbe2024exploring,
    author = {Stubbe, Henning and Gallenm{\"{u}}ller, Sebastian and Simon, Manuel and Hauser, Eric and Scholz, Dominik and Carle, Georg},
    doi = {10.1016/j.comcom.2024.06.020},
    title = {{Exploring Data Plane Updates on P4 Switches with P4Runtime}},
    pages = {44--53},
    journal = {Elsevier Computer Communications},
    issn = {0140-3664},
    publisher = {Elsevier},
    month = {9},
    volume = {225},
    year = {2024},
   }
   
   

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Last modified: 2026-04-30