High integrity systems-an explanation

Developing high integrity systems involves applying good practice, using software engineering discipline, and gaining the assurance of an independent assessment of the work. The project should have a safety plan which includes a hazard analysis, a clear statement of the safety requirements and the use of safety oriented design and analysis techniques. It may not be possible for one individual working on a small project to apply these techniques effectively. At some stage it will be necessary to call for assistance from another with the relevant experience. This is another way of saying that safety critical software should be given the attention of the necessary specialist