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Advisory Note: What is a CMDB System in 2007?
Enterprise Management Associates, April 2007, Pages: 3
While CMDB adoptions are substantially on the rise -- with strong expectations for long-term strategic benefits in operational efficiency, business alignment and service quality -- the term 'CMDB' or 'Configuration Management Database' is weighted with confusion. This advisory note provides a new taxonomy to help understand CMDB Systems in context with real world adoptions.
The term 'Configuration Management Database' or CMDB tends to suggest a single entity, whereas in reality most CMDB systems are designed to evolve to support multiple trusted sources across multiple brands and many involve diverse approaches to data reconciliation based on need and objective. Nonetheless many adopters are unclear whether what they have or not is a CMDB and can get a 'gold star' only if they meet certain pre—defined, technical criteria.
This report is really an amalgam of two reports written earlier in 2007 to help IT clients adopt a more practical and flexible approach in planning and evolving their CMDB systems. The first report focuses on EMA’s nomenclature for understanding a more systemic versus monolithic approach to CMDBs. The second provides a case example of an actual deployment in progress. Since these advisory notes were done (in April and May of 2007), ITIL v3 has in fact come out with a strongly systemic approach to CMDB planning that closely mirrors EMA’s own with its concept of multiple CMDBs contained within an overarching Configuration Management System (CMS). Quite tellingly, this design is in turn directed at supporting a better capability for 'knowledge management' and analytics in support of managing services which ITIL calls the 'Service Knowledge Management System of 'SKMS.'
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