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© Telelogic AB

Scope Levels Are Important

A typical mistake when writing requirements specifications is to mix scope levels:

A requirements specification shall have exactly one scope level

It shall not contain requirements for a higher or lower scope level => those shall be in separate artifacts

Best choice is to identify owners for all requirements artifacts on all different scope levels

Even if a sub-system team has to write system specifications those shall be separate system level artifacts and not mixed into the sub-system artifacts.

A sub-system specification shall not talk about system product versions.

Bernd@Grahlmann.net

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