

EA process overview
Key EA Governance Constructs
Outlined below are the four key dimensions used to define and specify how Zayo manages its enterprise architecture
Architecture Types
The architectural disciplines practiced and governed across Zayo
Business Architecture
The structure, processes, and functions of the organization. This includes things like business strategy, capabilities, and governance.
Information and System Data Architecture
The software applications and data that support the business. This covers how information is stored, processed, and shared across the organization.
Technology Architecture
The hardware, networks, platforms, and infrastructure that underpin the information systems.
Architecture Hierarchy
The level of detail at which architecture is practiced, governed and modeled
Strategic Architecture
Sets the overall direction and constraints for the segment architectures and is broke up into segments.
System Architecture
Breaks down the strategic architecture into more manageable chunks, providing more detailed guidance for initiative architectures.
Initiative Architecture
Realizes the system architectures by defining the specific architecture (business, information system and technology) for a specific grouping of capabilities organized by systems.
Architecture Services
Key people, processes, tools, artifacts and metrics used to govern and deliver value
There are 10 architecture services with 4 of them being high priority services.
High priority services
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Enterprise Architecture Strategy
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System Architecture Management
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Initiative Architecture Management
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Education & Communication
Other services
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M&A IT Due Diligence
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Business Transformation Assessment
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Policies & Recommended Practices
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Technology Portfolio Optimization
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Enterprise Data Catalog
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App & Data Lifecycle Management
Architecture Roles
The roles required to govern and deliver architecture services
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Chief Enterprise Architect
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Enterprise Architect
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Business Architect
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System Architect
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Data, Security, Infrastructure, Network
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Platform Architect
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SFDC
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SNOW
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Oracle
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Workday
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Custom Dev, CI/CD
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Integration
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Collaboration Services
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Gen AI
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Value Stream
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Business owner
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Product manager
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Product owner
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BSA
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Scrums