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Chapter 14 - Modeling Cross-Cutting Rela... > 14.2 Allocation Relationship - Pg. 343

CHAPTER Modeling Cross-Cutting Relationships with Allocations 14 This chapter describes how allocation relationships are used to map from one model element to other model elements to support behavioral, structural, and other forms of allocation. 14.1 OVERVIEW Beginning early in systems development, the modeler may need to relate elements in the system model in abstract, preliminary, and sometimes tentative ways. It is inappropriate to impose detailed constraints on the solution too early in the development of a system. Allocation is a mechanism for relating model elements in a way that provides guidance for the more rigorous relationships that are subsequently developed during model refinement. Additional user-defined constraints can augment