Proof of Concept: BMW Group
Consistency This requirement means that the estimation should be applicable to various IT infrastructures, without a need to change the respective systems. We deliberately chose Java/J2EE technologies for the proof of concept, as the respective guidelines at the BMW Group facilitate the design of distributed and heterogeneous software and hardware architectures. So, we combined in the test infrastructure three different operating systems (Linux, Windows, Unix) with server software from Apache, Bea and Oracle. All hardware and software components were typical enterprise products. By means of this rather heterogeneous, but realistic, infrastructure, we tried to gather significant results on the consistency of the estimation process and the determined resource profiles.
Operating Efficiency The determination of resource profiles should integrate well with existing IT Service Management processes and cause little extra work. We addressed this requirement with a feasibility study with Java/J2EE-based application systems. We first developed an integration into existing processes and then conducted a number of test series with two example application systems. Thereby, we tried to adhere to all relevant process and architectural guidelines to get sound estimates for the expected aborts and the operating efficiency of the approach for the determination of resource profiles.
KeywordsResource Consumption Business Unit Cost Allocation Hardware System Capacity Planning
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