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Systematic process improvement using ISO 9001:2000 and CMMI

Systematic process improvement using ISO 9001:2000 and CMMI

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174 Transitioning from Legacy St<strong>and</strong>ards<br />

With the introduction of the <strong>CMMI</strong> ® continuous representation, <strong>process</strong><br />

<strong>improvement</strong> has received the freedom to choose the order of PA implementation.<br />

Simply stated, there is no specific order for implementing PAs in the<br />

continuous representation of the <strong>CMMI</strong> ® . Each PA can be at any capability<br />

level. Capability levels are, however, cumulative; they build on one another.<br />

As shown in Figure 6.6, higher capability levels include the attributes of the<br />

lower capability levels <strong>and</strong>, therefore, cannot be skipped.<br />

Further inspection of the generic <strong>and</strong> specific practices within <strong>and</strong> among<br />

PAs shows that some GPs depend on the support of the associated PAs. For<br />

example:<br />

• GP 2.6, Manage Configurations, depends on the implementation of the<br />

CM PA.<br />

• GP 2.9, Objectively Evaluate Adherence, depends on the PPQA PA.<br />

Figure 6.6<br />

Capability levels are cumulative.

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