strategic information systems planning : a review
DESCRIPTION
STRATEGIC INFORMATION SYSTEMS PLANNING : A REVIEWMADE BY: y AKANSHA VERMA 09609166 y MOHIT JAIN 06502916 y SACHIN ARORA 096091671 Strategic Information Systems Planning: A Review 9/28/2010THE HISTORY2 Strategic Information Systems Planning: A Review 9/28/2010 For a long time relationship between information systemfunctions and corporate strategy was not of much interest to Top Management of firms. In the 80·s and 90·s, however, there has been a growing realization of the need to mTRANSCRIPT
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STRATEGIC INFORMATION SYSTEMS PLANNING : A REVIEW
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MADE BY: AKANSHA VERMA 09609166 MOHIT JAIN 06502916
SACHIN ARORA 09609167
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THE HISTORY04/11/23
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For a long time relationship between information system functions and corporate strategy was not of much interest to Top Management of firms.
In the 80’s and 90’s, however, there has been a growing realization of the need to make information systems of strategic importance to an organization.
In order to be effective, development and planning of any type of computer-based system should be a response to need. Such planning for information systems is much like strategic planning in management. Objectives, priorities, and authorization for information systems projects need to be formalized.
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DEVELOPE A PLAN
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The systems development plan should identify specific projects slated for the future , priorities for each project and for resources, general procedures, and constraints for each application area.
The plan must be specific enough to enable understanding of each application and to know where it stands in the order of development. Also the plan should be flexible so that priorities can be adjusted if necessary.
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STRATEGIC INFORMATION SYSTEMS PLANNING
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SISP is the analysis of a corporation’s information and processes using business information models together with the evaluation of risk, current needs and requirements. The result is an action plan showing the desired course of events necessary to align information use and needs with the strategic direction of the company.
SISP thus is used to identify the best targets for purchasing and installing new management information systems and help an organization maximize the return on its information technology investment.
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The Perspective of Strategic Information Systems Planning
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ERA CHARACTERISTICS
60s Data Processing (DP) Standalone computers, remote from users, cost reductionfunction.
70s &80s Management information system(MIS)
Information SystemsDistributed process, interconnected, regulated bymanagement service, supporting the business, user driven.
80s &90s Strategic InformationSystems (SIS)
Networked, integrated systems, available and supportive tousers, relate to business strategy, enable the business -business driven.
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TRADITIONAL PORTFOLIO MODELS..
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Applications in the overall Data Processing (DP), Management Information Systems (MIS) and Strategic Information Systems (SIS) area need to be planned and managed according to their existing and future contribution to the business.
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Some characteristics of strategic IS planning are:
• Main task: strategic/competitive advantage, linkage to business strategy.
• Key objective: pursuing opportunities, integrating IS and business strategies
• Direction from: executives/senior management and users, coalition of users/management and information systems.
• Main approach: entrepreneurial (user innovation), multiple (bottom-up development, top down analysis, etc.) at the same time.
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HOW TO IMPLEMENT SISP
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Strategic Information Systems Planning in the present SIS era is not an easy task because such a process is deeply embedded in business processes.
These systems need to cater to the strategic demands of organizations, i.e., serving the business goals and creating competitive advantage as well as meeting their data processing and MIS needs.
The key point here is that organizations have to plan for information systems not merely as tools for cutting costs but as means to adding value. It is information technology alone which will carve multiple ‘virtual corporations’ simultaneously out of the same physical resources and adapt them without having to change the actual organizations.
Thus, it is obvious that information technology has indeed come a long way in the SIS era, offering unprecedented possibilities, which, if not cashed on, would turn into unprecedented risks.
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Strategic Information Systems Planning Methodologies
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A. Impact Methodologies1. Value Chain Analysis: The concept of value
chain is considered at length by Michael Porter (1984). According to him, ‘every firm is a collection of activities that are performed to design, produce, market, deliver, and support its product. All these activities can be represented using a value chain.’ Porter goes on to explain that information technology is one of the major support activities for the value chain.
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Porter’s Value ChainOnce the value chain is charted, executives can rank order the steps in importance todetermine which departments are central to the strategic objectives of the organization.
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Value Chain Analysis
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a) is a form of business activity analysis which decomposes an enterprise into its parts. Information systems are derived from this analysis.
b) helps in devising information systems which increase the overall profit available to a firm.
c) helps in identifying the potential for mutual business advantages of component businesses, in the same or related industries, available from information interchange.
d) concentrates on value-adding business activities and is independent of organizational structure. Strengths : The main strength of value chain analysis is that it concentrates on direct value adding activities of a firm and thus pitches information systems right into the realm of value adding rather than cost cutting.
Weaknesses: Although a very useful and intuitively appealing, value chain analysis suffers from a few weaknesses, namely,
(a) it only provides a higher level information model for a firm and fails to address the developmental and implementation issues.
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(b) because of its focus on internal operations instead of data, it fails to define a data structure for the firm.
(c) the basic concept of a value chain is difficult to apply to non-manufacturing organizations where the product is not tangible and there are no obvious raw materials.
(d) it does not provide an automated support for carrying out analysis. Value chain analysis, therefore, needs to be used in conjunction with some other methodology which addresses the development and implementation issues and defines a data structure.
2. Critical Success Factor Analysis: Critical success factors analysis can be considered to be both an impact as well as an alignment methodology. Critical Success Factors (CSF) in the context of SISP are used for interpreting more clearly the objectives, tactics, and operational activities in terms of key information needs of an organization and its managers and strengths and weaknesses of the organization’s existing systems. Rockart (1979) defines critical success factors business the limited number of areas in which results, if they are satisfactory, will ensure successful competitive performance for the organization.’ They represent the few key areas where things must go right for the business to flourish. Consequently, critical success factors are areas of activity that should receive constant and careful attention from management.
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CSFs can exist at a number of levels, i.e., industry, organizational, business unit, or manager’s. CSFs at a lower level are derived from those at the preceding higher level. The CSFapproach introduces information technology into the initial stages of the planning process and helpsprovide a realistic assessment of the IT’s contribution to the organization.
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CRITICAL SUCCESS FACTORS
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HIERARCHY OF CSF’S
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CSF Analysis
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StrengthsPowerful method for concentrating on key
information requirements of an organizationEasy to performCan be carried out with few resources.
WeaknessNot enough to perform comprehensive SISPIt loses its value when used below the third level in
an organizational hierarchyInternally focused and analytical rather than creativethe value derived from these systems is not assessed
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Alignment Methodologies
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Business Systems Planning (BSP)
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Combines top down planning with bottom up implementation
BSP plan describes an overall information systems architecture as well as installation schedule of individual systems.
Steps in BSP study
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StrengthsIt represents an integrated methodologyBetter known to the top management than
other methodologiesWeakness
Requires a firm commitment from the top management and their substantial involvement
Requires a high degree of IT experienceConsiderable time and effort required for its
successful implementationdoes not incorporate a software design
methodology
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Strategic Systems Planning (SSP)
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This architecture is used to identify new systems and their implementation schedule
Affinity reports show the frequencies of accesses to data and clustering reports give guidance for database design
The software also provides a data dictionary interface for sharing SSP data with an existing data dictionary or other automated design tools.
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Steps in SSP
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Information Engineering (IE)
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Provides techniques for building enterprise, data and process models.
Basic philosophy underlying this technique is the use of structured techniques in all the tasks relating to planning, analysis, design and construction of enterprise wide information systems.
IE relies on an information systems pyramid for an enterprise.
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StrengthThe automated tools provided by IE to link its output to subsequent systems development efforts
WeaknessSecuring top management commitment
difficulty in finding the team leader meeting criteria
too much user involvementthe planning exercise takes long time
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Method/1
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Techniques supported by this methodology include data flow diagramming, matrix analysis, functional decomposition, focus groups and Delphi studies.
Objectives of Methodologyidentify the organization’s information needsfind new opportunitiesdefine an overall IT strategydefine data, applications, technology and
organizational requirementsdefine the activities
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Work Segment Actions Product
Scope Definition andOrganization
Determine key planningissuesDetermine project scopeOrganize project teamObtain managementcommitment
Definition of key planningissuesDefinition of project scopeSchedule of key managementcheckpointsProposal letter
Business and CompetitiveAssessment
Study business andcompetitive environmentIdentify competitiveinformation opportunitiesDefine strategic informationneeds
Opportunities to useinformation competitivelyDefinition of priority-settingcriteria
Present State Assessment
Document present systemsAssess effectiveness ofinformation servicesReview functional operationsAssess present operationsEvaluate competitive ITPosition
Evaluation of organization’sIT positionDescription of present andplanned applicationcharacteristicsAssessment of presentoperations, architecture, and capacity
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Work Segment Actions Product
Information TechnologyOpportunities
Analyze IT trendsDetermine information needsDefine major IT objectivesIdentify opportunities forimprovement
Summary of needs of eachmajor functional departmentDescription of opportunitiesfor improvementSummary of IT objectivesand trends
Information TechnologyStrategies
Develop high-level ITstrategiesDefine conceptual architectureof required informationsystemsIdentify high-priority projects
IT strategiesDescription of high-priorityprojects
Organization Plan Develop change managementapproachDevelop human resourcesPlan
Organization Plan
Technology Plan Develop technical architectureDevelop technology plan
Technology plan
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Work Segment Actions Product
Data and Applications Plan
Define data and applicationsDefine data and maintenanceapproachesDevelop data and applicationplan
Data and application plan
Information Action Plan Develop migration planPrepare information actionplanApprove and initiateinformation action plan
Information action plan
Product Definition andPlanning
Initiate project definitionDefine requirementsDevelop a conceptual designObtain management advisorycommittee approval
Project definition report
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Problems faced while Implementing any of the Methodologies
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Difficulty in obtaining top management commitment for implementing the outputs
Requirement of substantial further analysis and difficulty in finding a good team leader
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Salient points of SISP methodologies
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Although strategic information systems planning is a major concern, most organizations find it difficult to undertake it.
There may not be a single best way to view IT planning
Comprehensive methodology for SISP will need to incorporate both the ‘impact’ and the ‘align’ views
Since it is difficult to find a team leader who meets the criteria specified in SISP methodologies, it is proposed that detailed guidelines on how to perform a SISP study by way of an automated tool will help.
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Generic steps in a typical SISP formulation
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Study Internal Business EnvironmentThis is a prerequisite to determining the business IS needs.
Study external business environment This helps an organization focus attention on
the forces and pressure groups it encounters.Study internal IS/IT environment This is mainly comprised of the current and
planned applications portfolio that supports the business
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What is CIM?
• The integration of business, engineering, manufacturing and management information that spans company functions from marketing to product distribution.
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application of PLCsin manufacture
design of assysystems and facility
layout
design of advancedmanufacturing
systems
CIMmechanisation of
manufacture
manufacturingsystemscontrol
robot principles
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Typical element of a CIM system
CIM system
• manufacturing planning & control - MRPII, MRP, CRP, shop floor control, inventory control, …
• manufacturing engineering - CAD/CAM, CAPP, coding & classification, …
• manufacturing processes - NC/CNC/DNC, FMS, robots, material handling systems, …
• indirect elements: - sales order processing (& marketing) - finance & accounting
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The CIM Wheel
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This theory developed a concept of parallel paradigm of integration which asserts that by the sharing of information between processes interdependent decisions are pooled into concurrent processes.In traditional CIM formulation, functions are supported by isolated decision spaces.Integration between functions will provide for real-time interaction between the requisite functions.Part of the difficulty in achieving integration stems from the obscured local vs. global distinction.it is possible that while an enterprise may try to achieve local optimality, it may prevent global optimality of enterprise performance
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The extent to which parameters and constraints are converted to decision variables is a measure of integration strength among sub-functions.
The implication is that by explicitly managing global decision variables as such, each local function supports global performance objectives
Fig.8(a)-By explicitly managing global decision variables as such, each local function supports global performance objectives
The paradigm is rooted in the premise that local productivity is largely irrelevant and that an enterprise achieves competitive success if it achieves optimal global productivity.
The paradigm alters the decision-making hierarchy so that peer functions operate in parallel.
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Thus, all decisions are made in support of explicit global requirements
Fig.8(b)There is no longer a need for explicit flows among peer functions since such iterations (sequential iterations) have been replaced by a comprehensive decision space.
In a parallel formulation the constraint would become a variable - that is not only do CSFs determine applications to support them but the CSFs set itself will be altered depending on the realities of an enterprise’s information system.
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A new perspective on SISP – the bottom up planning.This bottom-up approach will explicitly acknowledge
the limitations and hopefully initiate a corrective actionThis parallel formulation of IS development tasks will
also help organizations tide over a major limitation of SISP methodologies
Systems -different from those developed in an ad hoc manner in response to exigencies of the situation
These systems will be integrated with the overall system at the logical level as they are developed out of the shared information, data and knowledge spaces
It offers a viable alternative to the SISP process.
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ConclusionInformation-based enterprises must be
planned in an integrated way whereby all stages of the life cycle are engaged to bring about agility, quality, and productivity.
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Thank You!!!
Questions??????
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