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ANSI/IEEE Std 1471-2000: "the fundamental organization of a system, embodied in its components, their relationships to each other and the environment, and the principles governing its design and evolution"
Business to IT Architecture Architectural frameworks create structure and formal alignment of policy, work and systems design to meet the goals of an organization under constant change. Policy Design Business Design Automation Design Social Goals Clients Programs & Services Processes Workflow Organization Roles Locations Resources Events Domains Nodes Infrastructure Components Application Function Information Interfaces
Enterprise Architecture Enterprise Architecture Business Requirements Security Architecture Business Requirements Integration Requirements Integration Requirements Business & IM/IT Innovation Opportunities Business Architecture Technology Architecture Business & IM/IT Innovation Opportunities Application Architecture Business Vision Innovation Opportunities Information Architecture Alignment & Integration Requirements
Zachman vs Business Architecture Business Architecture Technology Architecture Application Architecture Information Architecture Organization Architecture Time Cycle Architecture Rules Architecture
PSRM Elements in the Zachman Framework What How Where Who When Why Resources Semantic Model Services Jurisdictions Parties Roles Target Groups Row 2: Row 1: Schedules Cycles Locations Scenarios Workflows Business Network Model Service Process Models Areas Events Performance Metrics Other Models Service Integration and Alignment Model State Transition Models Program Service Alignment Models Programs Needs Goals Strategies
Business Architecture is not just for IT alignment Common Business View Automation Plane Business Plane
Three Dimensions of Alignment Change Initiatives Milestones Priorities Resources Implementation Dependencies Business Drivers Objectives Goals Strategies Justifications Options Linkages Design Standards Target Designs Current Designs Design Elements Planners care about Strategic Alignment Architects care about Design Alignment Opportunities Delivery Managers care about Logistical Alignment Joint Interests Capabilities Human Factors Readiness Values State Scope Status Planners Architecture pmo
Business Architecture – (CMM) Capability Maturity Model
Business architecture and IT architecture capability
maturity may evolve at different rates
Methodology maturity is also evolving
PSRM EWTA Zachman No Standard Framework Independent Project Frameworks Multi- Project Alignment Change Manage- ment Wide- Spread Multi- Program Re-Use
By 2005, 70% of Global 2000 enterprises will move beyond a pure technology architecture focus to include enterprise business architecture (50%), enterprise information architecture (60%), and enterprise solution architecture (70%). Architecture teams that fail to move beyond a technical focus will come under increasing pressure to demonstrate business value.
“To facilitate efforts to transform the Federal Government to one that is citizen-centered, results-oriented, and market-based, the Office of Management and Budget (OMB) is developing the Federal Enterprise Architecture (FEA), a business-based framework for Government-wide improvement”
FEAPMO - USA Performance Reference Model Business Reference Model Service Component Reference Model Data Reference Model Technical Reference Model Business Driven Approach Federal Reference Models