By Adrian Grigoriu
The ebook makes an attempt to reply to the various so much requested firm structure (EA) questions. what's the challenge and why EA is the answer? what's EA and what's an EA framework? that are the present EA frameworks? what's SOA and enterprise structure? what's the BPM, Lean/Six Sigma, ERPs courting to EA?
A confirmed EA Framework, the linked metamodel, a singular unmarried web page standard enterprise structure and company reference structure templates for enterprise, humans association, IT purposes and infrastructure layers are then supplied. The framework feels like a content material web page displaying the parts of an EA as placeholders, with no truly describing them, yet illustrating how they healthy into the entire. It permits navigation among enterprise and the expertise layers enforcing it. Navigation makes attainable know-how alignment to company operation, swap influence research and new enterprise types implementation. The templates allow the pro to maneuver immediately into personal company description section instead of waste time at the EA framework determination.
The publication then indicates the way to record and construct an company structure: structure ideas, layout procedure, most sensible practices, supply checklists, EA styles, improvement procedure, tooling and repository, integration to the mundane resolution architectures, standard use situations, an easy EA improvement instance, tips to degree the EA adulthood and cost introduced, what are the common EA triggers and roadblocks and the way to construct an EA perform, its governance, association, investment and site.
A process specification and company roadmapping strategy is illustrated with a purpose to determine the long run states and the objective structure of the Enterprise.
The firm Architect activity description, choice standards, management abilities, politics of the task, cultural blocks and the way to successfully promote EA are then discussed.
In essence, the e-book describes all points of why and the way to construct an firm structure with emphasis at the proven fact that EA is greater than IT: EA is set documenting and aligning the firm company procedures, association and know-how to bring the strategic reason.
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Extra resources for An Enterprise Architecture Development Framework, 4th edition
The Problem: today's unresponding “legacy” Enterprise in a world of increasingly increasing complexity, amount of information, rate of change and competition. The Solution: the Enterprise Architecture (EA) offering streamlining, alignment, blueprinting, strategic planning, and agility through SOA, the target state of the Enterprise. The book describes: drivers, benefits and Business Case for an EA evaluating financial Payback and NPV the Return on Enterprise Architecture (RoEA) RoEA = Revenuearch/Costsarch Revenuenoarch/Costsnoarch a Single Page Enterprise Architecture, a synoptic view of the Enterprise operation Enterprise reference maps, covering business and technology architecture templates alignment of your on-going solutions architecture projects to the Enterprise Architecture a navigable EA framework and its metamodel describing the Value Chains, Business & Operating Models, Functions and Flows resourced by Organization and Technology layers classification of and mapping to other EA frameworks: Zachman, TOGAF, DoDAF… a unifying view of EA, Service Oriented Architecture (SOA), Value Chains, Business Models, Processes (BPM) and IT Architecture, patching the divide between the Business and IT a best practices process for building the EA and SOA,, an EA development exercise, and how to use the framework for ITIL, M&A, Outsourcing, Start-ups… EA patterns, inhibitors, maturity models, politics & sell a Strategy specification process and alignment to business activities, organization and technology.
An EA view (filter) can be associated for instance, to every solution and capability. In truth, most representations are views since it is impossible to show in detail all aspects of interest to stakeholders on a single diagram. The EA Framework proposed employs a Model Driven Architecture (MDA) like paradigm by initiating the design of the functional architecture top-down, starting from the Business Reference Model customized for the industry and company, branching down to the whole Enterprise decomposition tree.
Without the synoptic view of an EA, the Enterprise is marred by duplication in platforms, projects, roles, data, applications and even products. Quite often, units of the same company compete with each other and do not share good practices, processes, applications and strategies. From a business perspective, the Enterprise problem is the inflexibility, slow change and high costs of IT. From an IT perspective, it is the lack of business process and requirements clarity, inherited obsolete technologies and the tangled IT spaghetti architecture.