9.3. Estimating Server Units
ISD organizations support many physical servers. As mentioned, the servers can be all from one vendor or a combination of several different vendors. They are not all equal. For example, a SUN E10K server requires a great deal more time to set up as compared to a SUN Ultra 1 server. A Compaq file server will probably be installed with a different operating system than a Sequent server. The time allocation for setup and installation of the servers will be different. It would not be correct to allocate the same amount of time for each physical server. The goal is to determine a base unit of one that can be used in the resource model to estimate total time allocated to a work package. In the end, there might be 70 physical ...
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