Layered architectures are a norm in enterprise applications today. Layers can separate components by various criteria such as purpose or role, technology, and dependence on other components. There are various benefits of layered architectures including:
Complexity becomes manageable from multiple perspectives — comprehension, design, implementation, testing, and deployment.
Encapsulated implementation of a layer makes it possible to replace the layer with another implementation.
Multiple higher-level layers can utilize the functionality of the lower-level layers, thus promoting reuse.
In this discussion, we will use the term tiers in the popular sense — presentation (view), logic, and persistence (data/content storage). We will describe the Documentum platform architecture in terms of layers.
The Documentum platform is organized in four layers — Repository Layer, Content Services Layer, Component and Development Layer, and Application Layer. Each layer serves a specific...