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Changing safety-critical software

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1 Author(s)
L. K. Rierson ; Fed. Aviation Adm., Washington, DC, USA

Changing software to implement new features, correct problems, update functions, or replace obsolete hardware components (e.g., microprocessors) is a way of life in today's industry. A systematic software change process is essential for the maintenance and reuse of safety-critical software. This paper presents activities to consider when changing software in safety-critical systems. The focus is on the aviation industry; however, the concepts are also applicable to other safety-critical domains, such as medical or nuclear

Published in:

IEEE Aerospace and Electronic Systems Magazine  (Volume:16 ,  Issue: 6 )