Development Assurance for Software or Hardware

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Who is going to define software/SWAL requirements for particular ATM/ANS system? EASA, ANSP,...?

Did I understand correctly that SWAL assignment and stating that equipment is safe for use is moved to DPOs? I got that impression from previous sessions and disagree since safety (as security) depends on the operational usage of the equipment. What is your opinion?

If the SW DAL of equipment depends on ANSP ATM functions. How do you garantee that certified/declared equipement will be available with such expected level? Aren't we creating a chicken and egg issue?