... | ... | @@ -10,27 +10,34 @@ generic as possible. The aim is to be able to synchronize ~1000 nodes |
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with sub-ns accuracy over fiber and copper lengths of up to 10 km. The
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main technologies used are physical layer syntonization (clock recovery)
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and PTP (IEEE 1588). Compliance with established standards such as
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Ethernet and PTP is a key goal of the project.
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This OHR project is both the home of the hardware design for the White
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Rabbit switch (fully open hardware licensed under the [CERN Open
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Hardware Licence](https://www.ohwr.org/project/cernohl/wiki)) and an
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umbrella for general WR-related documents and discussion. In particular,
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the [publications](WRpublications) page contains key working documents
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such as the White Rabbit specification as well as publications,
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presentations and other useful material. [Several potential
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users](WRUsers) have expressed interest in WR, and some [commercial
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companies](WRCompanies) are collaborating in design tasks and will
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commercialize the results.
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Ethernet and PTP is a key goal of the project.
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The White Rabbit project is an on-going collaborative project for which
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first generation components are being designed and evaluated for use in
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real, mostly scientific, applications (June 2012).
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The hardware design for the White Rabbit switch is licensed under the
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[CERN Open Hardware
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Licence](https://www.ohwr.org/project/cernohl/wiki)) while the firmware
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and driver software also is available under "open" licences.
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The WR switch software is dealt with in a [separate
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subproject](https://www.ohwr.org/project/wr-switch-sw).
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Seven Solutions, one of the commercial companies involved, has prepared
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a nice [web page](http://www.sevensols.com/whiterabbitsolution/) about
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WR and other associated
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developments.
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WR and other associated developments.
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![](/uploads/3803df0fdd038885c99abf44a22f219d/wr_switch.png)
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-----
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# Documentation
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- [White Rabbit related papers](WRpublications)
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- [White Rabbit presentations](WRpresentations)
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- [Which SFP transceiver and fibre type to use for White Rabbit](SFP)
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- [White Rabbit Node Reference design](WRReferenceDesign)
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- [White Rabbit in
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Wikipedia](http://en.wikipedia.org/wikis/The_White_Rabbit_Project#cite_note-syntonization-4)
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-----
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... | ... | @@ -48,11 +55,3 @@ developments. |
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- [Erik van der Bij](mailto:Erik.van.der.Bij@cern.ch) - CERN
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# Documentation
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- [White Rabbit related papers](WRpublications)
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- [Which SFP transceiver and fibre type to use for White Rabbit](SFP)
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- [White Rabbit Node Reference design](WRReferenceDesign)
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- [White Rabbit in
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Wikipedia](http://en.wikipedia.org/wikis/The_White_Rabbit_Project#cite_note-syntonization-4)
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