Informations System Planning or SISP.
Tue, Feb 10, 2009
The methodology is best described the following table of summary on salient features of ISP methodologies and their shortcoming when applied to the context of Web-based IS Planning.
There are Severals Framework with (+/-)
1.Value Chain Analysis (Michael Porter)
+ A form of business activity analysis. Helps in devising information systems which increases profit. Concentrates on value-adding business activities.
- Does not define a system architecture. Has limited applicability for e-business planning.
2. Critical Succes Factor (CSF)
+ Used for identifying key information needs of an organization and its managers.
- Does not define a system architecture. Is outdated. Ignores value adding aspects of information systems. Has limited applicability for e-business planning.
3. Business System Planning (BSP) from IBM.
+ Combines top-down planning with bottom-up implementation. Focuses on business processes. Data needs and data classes are derived from business processes.
- Outdated. Focused on internal processing needs of firms. Focused on building proprietary information system. Fail to address system integration issues.
4. Strategic System Planning.
+ A business functional model is defined by analyzing major functional area of business. Data architecture is derived from business function model. The data architecture is used to identify new systems and their implementation schedules.
- Outdated. Focused on internal processing needs of firms. Focused on building proprietary information system.Fail to address system integration issues.
5. Information Engineering.
+ Provides techniques for building enterprise, data, and process models. These models are combined to form a comprehensive knowledge base that us used to create and maintain information systems.
- Outdated. Focused on internal processing needs of firms. Focused on building proprietary information system. Fail to address system integration issues.
6. Method/1 from Andersen Consulting.
+ A layered approach: top layer is methodology, middle layer is techniques supporting methodology and the botton layer has tool supporting techniques. Techniques supported: DFD, matrix analysis, functional decomposition, focus groups and Delphi studies. Supported by CASE tool FOUNDATION.
- Outdated. Focused on internal processing needs of firms. Focused on building proprietary information system. Fail to address system integration issues.
I hope this helpful for you. and CMIIW.
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Tags: bsp, csf, informations system., michael porter, sisp, value chain analysis
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