3
Technical Architecture 1.1
Technical Architecture 1.2
Technical Architecture 2.3
Technical Architecture 2.1
Technical Architecture 2.2
EXHIBIT P.3 ONE-LEVEL BUSINESS ARCHITECTURE PERSPECTIVE TAXONOMY
compartmentalize subordinate technical architectures. Exhibit P.3 illustrates business architecture
perspective taxonomy along with the corresponding technical architectures. The first level
represents two major business architecture styles (Perspective 1 and 2), each of which is associated
with three technical architectures (1.1, 1.2, 1.3 and 2.1, 2.2, 2.3).
During these classification activities the categories already established should be further
specified, meaning the perspective breakdown is not sufficiently detailed. Thus, the business architecture
perspective taxonomy can be extended to allow subdivisions. To accomplish this task,
identify additional perspective levels to ease the categorization process of the organization??™s technical
architectures. How many perspective levels should be established for organization architecture
taxonomy? The answer to this question is contingent on the number of architectures that the enterprise
supports and the classification approach used to convey families of architectures. The rule
of thumb suggests avoiding very granular categorizations and generic architecture typing. Exhibit
P.4 depicts a two-level business architecture style perspective taxonomy, along with their affiliated
technical architectures.
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