New needs and possible solutions

Ansaldo STS France s CSD DIVA computer continues to evolve and improve. It will be interesting to follow microprocessor technology and rapid communication between processors. 

Ansaldo STS France is currently studying different developments  

These technological developments are needed in order to remain competitive in the railway signaling market, but are they sufficient to meet the needs of fnture guided transport applications that require high levels of safely and availability  

ERTMS is a Enropean standard, which is currently being deployed, whilst applications for automatic underground railways are spreading around the worid. The evolution of safety platforms will continue in order to meet the needs of these new applications, which often exceed 100,000 lines of Ada code. Increasing the size of the software will also lead to increased complexity and hence new requirements for the CSD. 

In the following sections we discuss two potential improvements of the CSD operating principles. 

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