ECSS-E-40 Part 2B: Software – Part 2: Document requirements definitions (DRDs) (31 March 2005)

This Standard has been cancelled and replaced by ECSS-E-ST-40C (6 March 2009).


Part 2 of ECSS-E-40 – Space engineering – Software defines the content of the document requirements definitions (DRDs) for space software product, in order to organize into documents all the expected outputs of the requirements contained in of ECSS-E-40 Part 1 – Space engineering – Software and in ECSS-Q-80 – Space product assurance – Software product assurance.


This standard together with ECSS-E-40 Part 1B cancels and replaces ECSS-E-40A ( 13 April 1999).