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Assessing the Safety Case Architecture Optimising the Design Architecture and

Assessing the Safety Case Architecture Optimising the Design Architecture and Safety Case Architecture. Assessing the Design Architecture & SCA. Prioritise Change Scenarios based on probability, frequency, etc

daryl-lane
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Assessing the Safety Case Architecture Optimising the Design Architecture and

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  1. Assessing the Safety Case Architecture Optimising the Design Architecture and Safety Case Architecture 18/04/07

  2. Assessing the Design Architecture & SCA • Prioritise Change Scenarios based on probability, frequency, etc • Assess candidate Software Designs and candidate Safety Case Architectures against change scenarios • Recommend changes: • To the design, to improve change containment within the safety case, or • To the Safety Case Architecture, where external constraints prevent the optimal safety case architecture being used, • Or a combination of both • Achieve mutually optimised solutions for both with respect to the impact of change 18/04/07

  3. An Optimised Safety Case Architecture Proposed SCA for IMS 18/04/07

  4. What is the scope of the Proposed SCA? • Integrated Modular Systems • Uses ASAAC-compatible three-layer stack • May feature legacy products • Arguments limited to those aspects which are ASAAC-compliant – scope of the Industrial Case Study • May have wider applicability – terms and conditions apply. 18/04/07

  5. Proposed Safety Case Architecture 18/04/07

  6. Proposed Safety Case Architecture - Top 18/04/07

  7. Proposed Safety Case Architecture – Next Level 18/04/07

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