Architecture-Driven Sample

A.0 Subsystem A

A.1 Subnet 1

A.2 Subnet 2

A.3 Inter-Subnet Control

A.4 External Firewall

A.5 Common Security

B.0 Subsystem B

C.0 Subsystem C

A.1.1 Architecture Requirements

A.1.1.1 Port Conventions

A.1.1.2 . . .

A.1.2 Functional Requirements

A.1.2.1 Access Controls

A.1.2.2 Identification and Authentication

A.1.2.3 Integrity Management

A.1.2.4 Auditing and Logging

A.1.2.5 Backup and Recovery

A.1.3 Performance Requirements

A.1.4 Quality Requirements

A.5.1 Architecture Requirements

A.5.1.1 Network Protocols

A.5.2 Performance Requirements

A.5.3 Quality Requirements

A.5.3.1 Portability

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