What Is Enterprise Architecture.pdf - 4 ICT Infrastructure Architecture Big data store Business Partners Browser Business analytics Mobile Devices ESB

What Is Enterprise Architecture.pdf - 4 ICT Infrastructure...

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1 4. ICT Infrastructure Architecture Enterprise Architecture 1 2 3 4 5 1. Business architecture 2. Information architecture 3. Application architecture 4. ICT Infrastructure architecture 5. Security policy framework Internal Systems: Web Portal, Email Server, Business Processes Execution Languages, Web Services, FTP service, Customer Actions Frontstage Action Support Processes Backstage Action Big data store Business Partners Browser Mobile Devices Connectivity Services Business analytics Web Services ESB ESB (Services Control, Security, Firewalls, Load Balancers, Messaging, Data Transformation, etc) SOA (Service- Oriented Architecture) Services
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2 What Is Enterprise Architecture? Infrastructure is the assets - people, hardware, systems, networks - deployed to support a business Architecture is the design of how these assets work together to address business needs with people, process, and technology and defines the purpose, intent, and structure of any system So Infrastructure supports Architecture and is the minimum components required to give the architecture a physical existence The goal of enterprise architecture is to create a unified IT environment (standardised hardware and software systems) across the organisation or all of the organisation’s business units, with tight symbiotic links to the business side of the organisation (which typically is 90% of the organisation, at least by way of budget) and its strategy. More specifically, the goals are to promote alignment, standardisation, reuse of existing IT assets, and the sharing of common methods for project management and software development across the organisation. The end result, theoretically, is that the enterprise architecture will make IT cheaper, more strategic, and more responsive. The purpose of enterprise architecture is to create a map of IT assets and business processes and a set of governance principles that drive an ongoing discussion about business strategy and how it can be expressed through IT. There are many different suggested frameworks to develop an enterprise architecture. However, most frameworks contain four basic domains, as follows: 1. Business architecture : documentation that outlines the company's most important business processes 2. Information architecture : identifies where important blocks of information, such as
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