A Core Diagram is a strategic Enterprise Architecture (EA) hybrid framework that bridges business strategy with technical infrastructure by mapping operational value chains, technological constructs, and conceptual data objects into a single cohesive visual perspective. It serves as a visual layout tool that aligns high-level business vision with the underlying apps, data, and technology supporting the company operating model. 🛠️ Structural Blueprint
A standard core diagram divides complex systems into three distinct visual regions to establish explicit relationships between the consumer and the provider:
Top Horizontal Axis: Chains customer or consumer-facing functional tasks together across a strict timeline.
Bottom Horizontal Axis: Chains operational provider or service-delivery tasks over a corresponding timeline.
Central Core: Isolates and organizes the core applications, system data, and primary technical entities within logical groupings. 🎯 Key Business Goals
Shared Vision: Enables executive management to align intrapreneurs and innovation teams on how new business ventures will exploit existing architecture.
Impact Scrutiny: Highlights critical technology touchpoints so that newly proposed IT projects are flagged if they disrupt the foundational business operating model.
Scope Definition: Provides a common baseline reference artifact that reduces communication friction between service consumers and providers.
Ecosystem Insight: Serving as a broader architecture library, it exposes cross-cutting or foundational services across multiple operating segments. 🔄 Variation Across Operating Models
The design language of a core diagram changes dramatically based on how centralized or unique a company’s data and processes are:
Coordination / Replication: Places centrally integrated customer data directly at the absolute center of the layout while utilizing standardized user portal linkages on the outer wings.
Diversification: Focuses heavily on separating unique, isolated business processes while ignoring highly standardized, shared data components. 💻 System Engineering Context (CORE Software)
In Model-Based Systems Engineering (MBSE), the term “CORE diagram” also specifically refers to native functional views built using Vitech’s CORE platform. In that specific context, every core diagram consists of nodes (representing elements like system requirements or behavioral blocks) and lines (defining system data flows or explicit traceability relationships).
Core Diagrams – A Design Language for Enterprise Architecture
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