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Chapter 6 : Architecture and Infrastructure

by: Winn

Chapter 6 : Architecture and Infrastructure MIS 475

Marketplace > Marshall University > MIS 475 > Chapter 6 Architecture and Infrastructure
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About this Document

the leap from Strategy to Architecture to infrastructure , enterprise architecture , virtual and cloud computing
Managing and Using Information System
Class Notes
strategy, Architecture, Enterprise, cloud, Virtual




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This 5 page Class Notes was uploaded by Winn on Monday February 22, 2016. The Class Notes belongs to MIS 475 at Marshall University taught by in Spring 2016. Since its upload, it has received 47 views.

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Date Created: 02/22/16
Chapter 6 : Architecture and Infrastructure : The leap from Strategy to Architecture to Infrastructure a) From strategy to architecture :  _ With a strategy, to develop more specific goals. Business requirements are derived from each goal.  _Business requirements were to integrate the information systems into a single, flexible system.  _The manager must work with the IT architect to translate these business requirements into a more detailed view of the systems requirements, standards, and processes that shape IT architecture. b) From Architecture to Infrastructure :  _ Use a service- oriented architecture led to the design of a number of services and composite applications.  _ this task entails adding yet more detail to the architectural plan that emerged in the previous phase.  _ Details extend to location of data and access procedures, location of firewalls, link specifications, and interconnection design and so on.  _ the functional specifications can be broken down into hardware specifications, software specifications, storage specifications, interface specifications, network specifications.  _ Often when referring to an infrastructure, the underlying computer system is called the platform.  Platform : the hardware and operating system on which application run ( ex : Android platform and the IPhone platform. Enterprise Architecture Enterprise architecture (EA) or the “blueprint” for all IS and their interrelationships in the firm. _ Term used for the organizing logic for the entire organization, often specifying how information technologies will support business processes. Components of an enterprise architecture typically : 1) Core business processes : the key enterprise processes that create the capabilities the company uses to execute its operating model and create market opportunities. 2) Shared data – the data that drives the core processes. 3) Linking and automation technologies – the software, hardware and networking technologies provide the links between applications 4) Customer groups – key customers to be served by the architecture. Example of enterprise architecture framework is the TOGAF ( The Open Group Architecture Framework ) : methodology and set of resources for developing an enterprise architecture. Zachman Framework : determines architectural requirements by providing a broad view that helps guide the analysis of the detailed view. Virtualization and Cloud Computing : 1) Cloud computing : 2) Utility computing


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