ECSS-E-ST-10C System Engineering General Requirements (2009 edition)

Clause 5.2: Requirement engineering – ECSS-E-ST-10C System Engineering General Requirements (2009 edition)

ECSS-E-ST-10C System Engineering General Requirements (2009 edition) 5.2.3.7: Validate requirements against the expressed needs with the customer in phase 0

What does 5.2.3.7 require?

During phase 0 the supplier's system engineering function validates the requirements against the needs the customer has expressed, doing so together with the customer.

Maintained by Gerard Blokdyk

Other controls in Clause 5.2: Requirement engineering – ECSS-E-ST-10C System Engineering General Requirements (2009 edition)

5.2.1 Analyse customer requirements and derive controlled lower-level requirements
5.2.2 Keep forward and backward traceability of every requirement
5.2.3.1 Establish consistent technical requirements specifications and a specification tree
5.2.3.2 Consolidate incomplete, ambiguous or contradictory requirements at the start of each phase
5.2.3.3 Identify the requirements that drive system risk
5.2.3.4 Assign verification methods to every requirement and record them in the verification matrix
5.2.3.5 Allocate system requirements and their verification methods to lower levels
5.2.3.6 Verify that requirements are consistent and non-redundant across levels

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