DI-IPSC-81432A, DATA ITEM DESCRIPTION: SYSTEM/SUBSYSTEM DESIGN DESCRIPTION (SSDD) (10 AUG 1999)

DI-IPSC-81432A, DATA ITEM DESCRIPTION: SYSTEM/SUBSYSTEM DESIGN DESCRIPTION (SSDD) (10 AUG 1999)., The System/Subsystem Design Description (SSDD) describes the sytem- or subsystem-wide design and architectural design of a system or subsystem. The SSDD may be supplemented by Interface Design Descriptions (IDDs) (DI-IPSC-81436A) and Database Design Descriptions (DBDDs) (DI0IPSC-81437A) as described below.