
120 • Soware Engineering Reviews and Audits
© 2011 by Taylor & Francis Group, LLC
12.9.3 Interface Design Description
e Interface Design Description (IDD) describes the interface character-
istics of one or more systems, subsystems, Hardware Conguration Items
(HWCIs), computer soware, manual operations, or other system com-
ponents. An IDD may describe any number of interfaces. e IDD can
be used to supplement the System/Subsystem Design Description (SSDD),
Soware Design Description (SDD), and Database Design Description
(DBDD). e IDD and its companion Interface Requirements Specication
(IRS) serve to communicate and control interface ...