What is XAF Connected Architecture?
A practical framework for architecture that actually ships.
The XAF Connected Architecture
Connected Architecture starts with a Governance Core — the foundations that every organisation needs regardless of size or maturity. Decision records, architecture passports, technical debt management, tiered oversight, guardrails, risk integration. These aren't optional extras. They're what makes architecture actually work.
When you're ready for more — when you need dedicated focus on data architecture, security architecture, or innovation governance — you plug in domain modules. Same foundations, extended capability. The core doesn't change; it just gets company.
Start with what you need. Add what you grow into.
The Governance Core
The XAF provides a collection of foundational components called the Governance Core which every organisation needs regardless of which architecture domains they're addressing and includes:
| Component | Purpose |
|---|---|
| Guardrail Framework | Defines boundaries within which teams operate autonomously |
| Tiered Oversight | Scales scrutiny to risk — more oversight where it matters, less where it doesn't |
| Decision Records | Captures significant decisions with just enough context for future traceability |
| Delivery Integration | Embeds architecture into delivery cadences, not parallel to them |
| Architecture Passport | Attaches accountability to systems, not people |
| Technical Debt Register | Makes debt visible, owned, and managed |
| Architecture Registry | Makes reuse the path of least resistance |
Pluggable Domain Modules
Domain modules plug into the Governance Core to provide domain-specific guidance. You don't need all modules immediately - start with the governance core and the domain where you have the most pressing need (we recommend Security).
| Module | What It Provides |
|---|---|
| Business Architecture | Capability models, value stream mapping, business-technology traceability |
| Information & Data | Data governance frameworks, classification, MDM patterns, analytics readiness |
| Security Architecture | Security reference architectures, Essential Eight alignment, control traceability |
| Technology Architecture | Technology radar, platform patterns, cloud standards, hosting decisions |
| Application Architecture | Application portfolio management, integration patterns, API standards |
| Innovation Architecture | Emerging technology assessment, AI/ML governance, experimentation patterns |
Cross-Domain Integration
The key differentiator of Connected Architecture is how domains connect - not through meetings where everyone presents their own work, but through systematic traceability:
Business priorities flow to capability investment decisions. Capability investments drive information requirements. Information requirements shape technology choices. Technology choices constrain solution design.
Note
Security embeds at every layer - not as a review gate at the end, but as enabling constraints throughout.
Integration with Delivery
Architecture is embedded in delivery, not parallel to it. Architecture activities happen at natural decision points in whatever delivery methodology you're using.
| Decision Point | Architecture Activity |
|---|---|
| Initiation / Discovery | Identify guardrails in scope, receive passport, classify oversight tier |
| Design / Planning | Make decisions against guardrails, identify deviations, involve EA for higher tiers |
| Build / Delivery | Decision records as part of definition of done, flag emerging debt, update passport |
| Release / Transition | Passport updated, handover completed, debt logged |
| Operate / Evolve | Debt remediation, guardrail feedback, passport maintained |
Integration with Risk
Here's the insight that changes how you think about architecture governance: architecture decisions are risk decisions.
Every guardrail embodies a risk appetite decision. Every deviation is a risk acceptance. Every piece of technical debt is deferred risk. XAF makes this explicit rather than pretending architecture and risk are separate concerns.
XAF Connected Architecture | Developed by InnovateX Solutions