MIST Test 3 Study Guide

MIST Test 3 Study Guide - Service Oriented Architecture(SoA...

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Service Oriented Architecture (SoA) – focuses on development, use, and reuse of small self-contained blocks of code (called services) that can be used across all software applications SoA Organization Efficient Proactive Responsive and Adaptive Transformational processes to match an ever-changing workforce SoA for Customers Multi-channel service Consistent, high-quality interactions Customizable service SoA for End Users Fully integrated ERP system Interoperability among venders Interoperability among modules of the same vendor Mobile computing SoA for Software Development SoA is framework RAD, XP, and Agile as development methodologies SoA for Information Needs End users have access to all types of info Integrated information, business intelligence, and knowledge Data warehouses Standard info formats Integrity controls No duplicate info
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SoA for Hardware Requirments Integration of different technologies and technology patterns Large storage capacity Your focus on logical not physical Safe and secure telecommunications platform Infrastructure – the structure beneath a structure Enterprise Resource Planning (ERP) System – collection of integrated software for business management, accounting, finance, supply chain management, inventory management, customer relationship management, e-collaboration, etc. MRP – 1970 ERP predecessor that focused on production planning MRP II – 1980 ERP predecessor that added financial and accounting systems ERP – 1990 focus on critical “time to market” ERP II – currently in use, focus on complete ERP integration Computer Network – fundamental underlying infrastructure for any IT environment Decentralized – little or no sharing of IT and other resources Centralized – sharing information system Distributed – distributing the information and processing power of IT systems via a network Client/server infrastructure (network) – one or more computers that are servers which provide services to other computers, called clients Tiered (layer) – the IT system is partitioned into tiers where each tier performs a specific type of functionality 1-tier – single machine – presentation tier – web client 2-tier – basic client/server relationship – application tier – web server 3-tier – client, application server, data or database server – data tier – database N-tier – scalable 3-tier structure with more servers – business logic tier – application server Benchmarking – process of continually measuring system results and comparing them to benchmarks Efficiency – doing something the right way
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