Specification and Measurement of System Configuration Non Functional Requirements

Al-Sarayreh, K.T., Abran, A.

The European ECSS-E-40 series of standards for the aerospace industry includes configuration as one of 16 types of non functional requirements (NFR) for embedded and real-time software. Configuration requirements are typically de-scribed at the system level as non functional requirements, and a number of concepts and terms are provided in the ECSS series to describe various types of candidate configurations. This paper collects and organizes these configuration related descriptions into a generic model for the specification of software functional user requirements (software FUR) for system configuration NFR, and for measuring their functional size for estimation purposes using the COSMIC ISO 19761 standard.

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in Non-Functional Requirements

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