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# masterFIP
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## Overview
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[WorldFIP](https://www.ohwr.org/project/cern-fip/wikis/WorldFIP) is a
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fieldbus widely used at CERN; there are more than 10’000 WorldFIP nodes
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installed all around the LHC.
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... | ... | @@ -15,31 +19,30 @@ differential. |
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[![](/uploads/a50978afe987738f0315f3cf18dbfebe/topolody_500x300.png)](https://www.ohwr.org/project/masterfip/uploads/b44426896c542d23b8a81f0371c8bbf3/topolody_1200x900.png)
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*WorldFIP topology**
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At CERN we used to purchase the WorldFIP masters and the nodes by the
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company [Alstom](http://www.alstom.com/). However Alstom has been
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gradually stopping all the WorldFIP support, as new Ethernet based
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solutions are now dominant.
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We used to purchase the WorldFIP masters and the nodes by the company
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[Alstom](http://www.alstom.com/). However Alstom has been gradually
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stopping all the WorldFIP support, as new Ethernet based solutions are
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now dominant.
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At CERN we need to provide WorldFIP support until at least 2035, the
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end-of-life of the HL-LHC as it would be very costly to change all the
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cabling and the equipment to another Ethernet-based solution.
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cabling and the equipment to another radiation-tolerant solution.
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The fact that there is no more WorldFIP support by Alstom is the main
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reason we need to design and support our own WorldFIP equipment at CERN.
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reason for the design and support our own WorldFIP equipment at CERN.
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The **migration** of the all the 500 Alstom masters to the new masterFIP
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is targeted for the middle of 2018, CERN's Long Shutdown 2.
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The masterFIP board, is a WorldFIP master, the replacement of the Alstom
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WorldFIP master board. It is an [FMC mezzanine called
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fmc-masterFIP](https://www.ohwr.org/project/fmc-masterfip/wiki), to be
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combined with a [SPEC PCI Express
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card](https://www.ohwr.org/project/spec/wiki) carrier.
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-----
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## Sub-projects
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The project is divided into four sub-projects:
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The project has been developed following the [Functional
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Specifications](https://www.ohwr.org//edms.cern.ch/ui/#!master/navigator/document?d:1938176066:1938176066:subdocs)
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and provides a complete replacement of the Alstom solution for CERN
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applications. It is divided into four sub-projects:
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- [Hardware](https://www.ohwr.org/project/fmc-masterfip/wiki) :
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Mezzanine board schematic and layout
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Mezzanine board schematic and layout, to be combined with a
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[SPEC](https://www.ohwr.org/project/spec/wiki) carrier
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- [Gateware](https://www.ohwr.org/project/masterfip-gw/wiki) : HDL
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design with [Mock
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Turtle](https://www.ohwr.org/project/mock-turtle/wiki)
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... | ... | @@ -49,8 +52,6 @@ The project is divided into four sub-projects: |
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- [Testing](https://www.ohwr.org/project/masterfip-tst/wiki) :
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Production and functional tests.
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Please refer to the corresponding sub-project for detailed information.
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-----
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## Project info
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... | ... | |