Note that business architecture perspective 1 and 2, and their subordinate
business architectures perspective 1.1 and 1.2 constitute a two-level business architecture. These
structure enable flexible cataloging of technical architectures that directly correspond to their business
architecture categories.
A business architecture perspective taxonomy can be enhanced by expanding its directory
structure beyond the technical architecture, meaning adding more taxonomy levels to convey
technical approaches and strategies. Specifically, it is possible to present more granular information
about the construction method and the architectural design patterns that were employed
Service-Oriented Business Architecture Perspectives Introduction 175
Business Architecture Perspective 2
Business Architecture Perspective 1
Business Architecture Perspective 1.1
Business Architecture Perspective 1.2
Technical Architecture 1.1.3
Technical Architecture 1.1.1
Technical Architecture 1.1.2
Technical Architecture 1.2.3
Technical Architecture 1.2.1
Technical Architecture 1.2.2
EXHIBIT P.4 TWO-LEVEL BUSINESS ARCHITECTURE PERSPECTIVE TAXONOMY
to establish a particular technical architecture. Exhibit P.5 illustrates a business architecture perspective
(identified as number 1) along with its two associated technical architectures (1.1 and
1.2), each of which is presented with its affiliated architectural patterns.
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