262 The Method Framework for Engineering System Architectures
7. Validate the architecture. Near or at the end of system architecture engineering, the archi-
tecture team collaborates with representative stakeholders to validate that the architecture
meets the stakeholders’ needs.
8. Formally review the architecture. Near or at the end of system architecture engineering,
the architecture team hosts one or more development organization external incremental
milestone reviews to determine if the system or subsystem architecture is sufficient to sup-
port transition to the next phase of development:
System/subsystem architecture review (SAR) −
System/subsystem design review (SDR) −
System/subsystem preliminary design review (PDR) −
9. Review ...