EA history, perspectives and realities https://bit.ly/2QMCCFn “I always point… to your website [for] interesting, robust discussion and knowledge about Enterprise Architecture.” “An astonishing collection built up over many years; an “h2g2.com” for Enterprise Architects” Business Intelligence Consultant This page is a supplement to Avancier Methods practical advice on architecture processes and products.
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	EA history Architecture frameworks 50 years of digital transformation and EA Architecture framework history Traditional EA New Generation EA What is EA not? EA pitfalls What is an architecture framework? More EA history EA in the 11^th century EA in the 1950s - before IT EA in the 1980s - the PRISM paper On the Zachman Framework TOGAF history and EA observations How does TOGAF define EA? EA history in US government Past and present views of EA	EA perspectives Popular papers Enterprise and solution architecture Agile Architecture Other enterprise architecture challenges Business architecture: roles EA rationale & challenges Get real: EA is political Who values the “enterprise as a system”? Effective implementation of business goals Simplification and cross-organisational integrity Return on investment in systems IT cost cutting Reduction of operational or change risk Increased business and IT agility Focus on process rather than organisation Where EA sits in the business Other perspectives of EA EA as a design/change process EA as abstract system description EA as portfolio management EA as rationalisation EA as strategy (after Ross etc.) EA as cybernetics	EA realities Applications architecture EA challenges case study Portfolio management challenges Application road maps Application portfolio Buy v. build decisions For more, go to AM Products and Techniques Architecture tools The best EA tool? Why do you need a repository? A process for creating a repository Ten repository challenges Little-discussed tool selection criteria The state of the repository art Facts and conclusions from experience EA meta models A generic meta model (slides) Four meta model pics EA meta models: older comparison EA meta models: newer comparison
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