INTERSECTION ANALYSIS
The intersection7 analysis identifies shared business and technology commonalities between service
clusters. Intersecting formations with overlapping sections, typical of Venn diagrams, outline
common service attributes and characteristics that can be utilized for detail analysis. There is no
restriction on the number of clusters that can participate in this process and no limit imposed on
the amount of services that can reside within each cluster.
146 Ch. 7 Service-Oriented Discovery and Analysis: Implementation Mechanisms
Can the intersection analysis practice be employed to analyze composite or atomic service
structures? Remember, composite services consist of internal smaller services that are typically
arranged in hierarchical formations. This asset dependency structure would characteristically hamper
intersection analysis efforts since the created overlapping section may point to services that are
already tightly coupled with their parents. An intersection analysis on an atomic service may not
be useful as well. Remember that an atomic service is defined as an inseparable entity that should
not be broken down into smaller units. Therefore, service clusters are the best analysis candidates
for the intersection analysis method, because they can be easily separated and modified to achieve
asset consolidation, reduce functionality redundancy, and increase of service reusability.
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