BUS 237 Chapter Notes - Chapter 9: Zachman Framework, Information Technology Architecture, Commoditization

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Published on 11 Sep 2012
School
Simon Fraser University
Department
Business Administration
Course
BUS 237
Professor
Page:
of 4
Developed after considering industry structure
Is supported through activities of the value chain, which consist of a collection of business
processes, supported by IS's
Ideally, IS's should support competitive strategy
Management of IS's req's understanding both organizational strategy and technological
architecture sometimes mismanage misalignment between IS and business strategy
Competitive Strategy
Basic framework for all computers, systems, and info management that support organizational
services.
Increasing complexity as more services are supported and different technology is used
IT Architecture
Blueprint should provide an overview that helps people in the organization to better
understand investments in technology and plan for changes
Organizational objectives
Business processes
Databases
Info flows
OS's
Applications & software
Supporting technology
When planning, usually considers:
Enterprise Architect
Who people
What data
When time
Where network
Why motivation
How function
Reasons for communication
Planner
Owner
Designer
Builder
Implementer
Worker
Stakeholder groups
Divides systems into 2 dimensions based on:
Zachman framework
Chapter 9 IS Strategy, Governance, & Ethics
July-11-12
2:49 PM
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Worker
Reach extent to which an organization is integrated
Range type of functionality of applications
Reach-Range framework
Process of matching organizational objectives with IT architecture
Ongoing process, a chllenge that continually evolves
Maintain balance between business objectives and It architecture
Degree to which the IT dept's missions, objectives, and plans overlapped with the overall
business missions, objectives, and plans
IT Alignment
Globalization heightened competitiveness, nature of work, heightened threat
Laws/Regulations Sarbanes-Oxley Act, Budget Measures Act
External
Internal
Difficulties
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Commoditization of IT
Declines in IT cost structures
IT infrastructure and IT operations are separate
IT management changes & turnover
Internal
Organizations need a climate supporting the sharing of domain knowledge and common
business practices
Need communication between business and IT executives
Successful alignment
Info Systems Governance
Some committee/political party ahs the ability to decide on expectations for performance, to
authorize appropriate resources & power to meet expectations, verify whether expectation
have been met
Ensure that an organization produces good results while working to avoid bad results
Benefits from IT governance
Governance
Governs reporting req's of publicly head companies
Prevent frauds
Increase responsibility and accountability of executive management of companies
Require management to create internal control sufficient to produce reliable financial
statements, and to protect the organization's assets
IT now more transparent
Sarbanes-Oxley Act & Budget Measures Act
Like a financial audit
Focus on info resources used on information
Organization formed by group that was in charge of auditing controls for newly
developed computer systems
Leader in developing knowledge and standards relating to IT audit and IT governance
Information Systems Audit and Control Association (ISACA)
Globally recognized certification
Certified Information Systems Auditor (CISA)
Framework of best practices designed for IT management
Provides set of general accepted measures, indicators, processes and best practices to
assist in getting the best from IT investments
Control Objectives for Information and Related Technology (COBIT)
IS Audit
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Document Summary

Is supported through activities of the value chain, which consist of a collection of business processes, supported by is"s. Management of is"s req"s understanding both organizational strategy and technological architecture sometimes mismanage misalignment between is and business strategy. Basic framework for all computers, systems, and info management that support organizational services. Increasing complexity as more services are supported and different technology is used. Creates blueprint of organization"s is"s and the management of them. Blueprint should provide an overview that helps people in the organization to better understand investments in technology and plan for changes. Zachman framework: divides systems into 2 dimensions based on: Reach-range framework: reach extent to which an organization is integrated. It alignment: process of matching organizational objectives with it architecture, degree to which the it dept"s missions, objectives, and plans overlapped with the overall. Maintain balance between business objectives and it architecture business missions, objectives, and plans. Globalization heightened competitiveness, nature of work, heightened threat.