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Last edited by Maciej Lipinski Dec 11, 2020
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White Rabbit

White Rabbit provides sub-nanosecond accuracy and picoseconds precision of synchronization for large distributed systems. It also allows for deterministic and reliable data delivery.
White Rabbit allows you to precision time-tag measured data and lets you trigger data taking in large installations while at the same time using the same network to transmit data.

  • sub-nanosecond synchronization
  • connecting thousands of nodes
  • typical distances of 10 km between nodes
  • Ethernet-based gigabit rate reliable data transfer
  • fully open hardware, firmware and software
  • multi-vendor commercially produced hardware


White Rabbit Project

  • Overview (Presentations, Papers, Demos, Training material, Test reports)
  • Status (Newsletters)
  • Companies
  • Projects
  • Workshops New: October 2018 presentations
  • Frequently Asked Questions

White Rabbit Technology

  • Synchronization (Specification)
  • Data-Delivery
  • Standardization in IEEE1588-2008

White Rabbit System

  • Switch
  • Master (Data, Timing)
  • Node (WR PTP Core)
  • White Rabbit good practice guide
  • Calibration (default parameters for WR switches/nodes, procedure)

White Rabbit Users (full list)

  • Control and Timing System at CERN and GSI (Switzerland, Germany)
  • Timing System in Gamma-Ray and Cosmic-Ray experiment HiSCORE-EA at the Tunka-133 Cherenkov EAS-Array (Siberia)
  • Comparison and synchronization of geographically distant atomic clocks (Finland, The Netherlands)
  • Timing and Acquisition system at LHAASO Telescope (China)
  • Users of White Rabbit Technology

WR-team at CERN 1st WR Tutorial Workshop - WR CERN Team, from left: Grzegorz Daniluk, Javier Serrano, Tomasz Wlostowski, Maciej Lipinski, Adam Wujek, Dimitris Lampridis


Clone repository
  • Data delivery
  • Documents
  • Documents
    • Articles
    • Faq documents
    • Fpga transceivers propagation delay study
    • Figures
    • Greg's master thesis
    • Posters
    • Presentations
    • Sfp data
    • Temperature tests (aka torture report)
    • Tom's master thesis
    • Wr jobs
    • Wr switch debugging
  • Documents/WR-contribution-for-ITU-T-Q13
    • 15 meeting
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