SIL4 Data Center

A new platform architecture for safe rail applications

A joint  R&D collaboration between Siemens Mobility GmbH and Deutsche Bahn AG focused on developing a basic architecture for SIL4 Data Centers, i.e., the computing infrastructures in which safety-relevant railway applications such as advanced control command and signaling systems or support functions for high-precision train localization are to run in future. The expectations placed on such SIL4 Data Centers are very high. In particular, they should have the following characteristics:

 

  • Modularity
  • Commercial-off-the-shelf (COTS) components
  • Centralization
  • Scalability
  • Flexibility

 

The R&D collaboration project took into account the preliminary work for the generic Safe Computing Platform of the Reference CCS Architecture (RCA) and Open CCS Onboard Reference Architecture (OCORA) rail initiatives. Additionally security requirements from the relevant standards and Shift2Rail were considered along with requirements and experience from EULYNX. A comprehensive Research Report was prepared and published as part of the collaboration project. 

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Research Report R&D Collaboration between Siemens Mobility and Deutsche Bahn