![]() Multi-layered application UML model diagram example. ![]() Application model shows several layers - presentation layer, services layer, business, data, and cross-cutting layers. Layers can be located on different tiers, or they may reside on the same tier. According to the Guide, layers are concerned with the logical division of components and functionality, and do not take into account the physical location of components, whereas tiers describe the physical distribution of the functionality and components on separate servers, computers, networks, or remote locations. Multi-Layered Application UML Model Diagram Example An example of UML representing a model of a layered application, based on the Microsoft Application Achitecture Guide, 2nd Ed.
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