Abstract
This paper applies a multi-attribute evaluation model to the choice between local area network (LAN) topologies in an office automation project. A computerized decision support system, JustLAN, has been developed to facilitate sensitivity studies. It incorporates the following features: (1) a group-participative process for data acquisition, (2) the development of ratio-scaled importance weights for the attributes, (3) detailed cost estimation worksheets for the determination of life-cycle costs for feasible alternatives, (4) a graphical assessment of tradeoffs between monetary and nonmonetary considerations, and (5) the capability to conduct on-line sensitivity analyses to test the “robustness” of the recommended alternative to estimation errors. In a sample application of the procedure, involving a LAN selection problem in a government office building, an inferior alternative would have been selected if results of traditional present worth analysis had been followed. Only through the use of multi-attrib...
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