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Decompositions
Human Resources
Take the quality that invokes the highest score.
Score | Man Years | Project Members | Skills Gap/Consulting |
|---|---|---|---|
1 | <= 0.25 | 1 | None |
2 | 0.25 - 0.5 | 2 | < 10% Consulting or Attrition Risk* |
3 | 0.5 - 1 | 3 - 5 | 10-25% Consulting or Attrition Risk |
4 | 1-2 | 6-10 | 25-75% Consulting or Attrition Risk |
5 | > 2 | > 10 | Approaching 100% Outsourced |
*Attrition Risk is risk of individual flight, pending budget reduction/downsize, or single points of failure.
Release Complexity
A release can contain more than one of these. Consider only parts of the service subject to change. Take the quality that grants the highest score.
Score | Software Application | Data | Integration |
|---|---|---|---|
1 | minor patch or security release, no end-user function affected | single schema | self-contained, single end-user transaction |
2 | major patch, "dot release" that effects end-user behavior | single database, multiple schemas |
|
3 | full application upgrade | external link or feed relationship to other system of record |
|
4 | operating-system upgrade as distributed release or affecting many underlying services | multiple external links or feed relationships |
|
5 | packaged release of operating system, multicomponent or multi-transactional system | multiple production database servers changed |
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ITIL Outline discovered by Pat on Wikipedia:
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