Enterprise Architecture is Evolution. Outline. The evolution of Enterprise Architecture: The Enterprise Architecture as metaphor Enterprise Architecture, the framework Zachman framework: explanations, usage Shortcomings of this approach EA as a formal discipline
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Enterprise Architecture is Evolution
Analysis of state
Business Process & Requirements Modelling
Projects & Portfolios
Convergent Architectural Framework
Must support model isomorphism, and component metamorphosis
Business Rules Metamodel
Business Process Metamodel
IT Infrastructure Metamodel
Common Warehouse Metamodel
Profiles are UML compliant,
and thus, also MOF-compliant
metamodels (or languages)
Web Services Profile
Trace To (manually/ generated)
Trace To (manually)
Trace To (generated)
Trace To (generated)
How and What will it hit?
Which requirement whenimplemnented?
How and where are requirements
What should be implemented, tested,
Which requirement is tested?
How was this one year ago?
How was implemented?
How and where are requirementsimplemented?
Which release contains a specialrequirement?
Provides the context and relationship between services and the business strategy and operating model.
Is the Planner’s viewpoint.
The enterprise model.
Is the Owner’s viewpoint.
Business Process Architecture
Describes the total view of what services provide what functionality to what business groups or processes. Develop the SOA portfolio, with a ‘To-Be’ state and a ‘Current State’. Concerns the Architect
Enterprise Architecture portfolio
The enterprise technical design artefacts. Is the Designer’s viewpoint.
Enterprise Architecture design
Describe architecture patterns, design principles and data standards.
Is the Builder’s viewpoint.
Tool and platform standards, production and test environment specifications, and SOA-specific elements for service registration, security, monitoring, etc. Contains the running system.