Decisions and ADRs | RWS Architecture

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Architecture is primary; ADRs capture the choices that make that architecture executable and governable.

RWS Architecture Vault / Decisions and ADRs

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Architecture is primary; ADRs capture the choices that make that architecture executable and governable.

Lens Position	Focus	Link
You are here	Durable decision record with reasoning and consequences	Decisions (ADRs)
Next lens	Map decision context into ABB and SBB solution layers	DC 3.0 Building Block Lens

Why This Section Exists

Use ADRs to document *why* specific design choices were made, including trade-offs and consequences.
Keep decision history durable over time, including superseded choices.
Provide traceability between architecture narratives, TOGAF mappings, and delivery work packages.

Start Here

Navigate by domain to inspect context-specific decisions.
Jump back to architecture pages when you need full design narrative.
Use domain decision indexes when you need lane-specific decision context.

Navigate by Domain

Domain Hubs

Domain	Decision Index	Architecture	DC 3.0 Building Block Lens	Delivery Impact
Platform	Platform ADRs	Platform Architecture	fleet-management, openshift-gitops	wp-08-platform-services-automation, wp-09-caas-platform
Network	Network ADRs	Network Architecture	dc-network-structure, dc-network-structure	wp-01-dc3-0-network-and-supporting-services
Storage	Storage ADRs	Storage Architecture	block-file-s3-storage, red-hat-openshift-data-foundation	wp-04-dc3-0-storage, wp-16-business-continuity-and-disaster-recovery

Architecture and Delivery Traceability

Architecture domain lenses: Network Architecture, Platform Architecture, Storage Architecture, Security Architecture.
DC 3.0 building-block decision traceability: DC 3.0 Building Block Lens.
Delivery sequencing and implementation impact: Delivery Work Packages.

Lens Health

Indicator	Status	Notes
ADR Naming and Structure Compliance	High	Filename, title prefix, and ID consistency are enforced by validator rules.
Domain Decision Coverage	High	Platform, Network, and Storage have dedicated decision lanes and indexes.
Draft ADR Review Discipline	Medium	Draft ADRs include explicit next decision triggers and review checkpoints.
Architecture Back-Link Quality	Medium	Most key ADRs are linked from architecture indexes; deeper note-level cross-linking remains incremental.
Delivery Impact Traceability	Medium	Workpackage linkage exists, but not all ADRs yet point to explicit implementation packages.