This document has general applicability to all sectors of industry and commerce and to all types of equipment whose functionality is to some degree implemented by software components. It is intended to be guidance for business purposes and should be applied when it provides a value-added basis for the business aspects of development, use, and sustainment of software whose reliability is an important performance parameter. Applicability of specific practices will depend on the reliability-significance of the software, application domain, and life cycle stage of the software.
Following guidelines in this document does not guarantee required reliability will be achieved, or that any certification authority will accept the results as sufficient evidence that requisite reliability has been achieved. Following guidelines in this document will provide insight into what level of reliability has been achieved. With proper customer, certification authority, and supplier negotiation and interaction in accordance with these guidelines, it is more likely that the achieved reliability will be acceptable.
