Why should we go ahead with a Layered architecture model?

 Posted by Niladri.Biswas on 9/11/2012 | Category: Design Pattern & Practices Interview questions | Views: 2845 | Points: 40

- Layered Architecture helps to decompose an otherwise monolithic system into groups of components each placed at a certain layer.

- Layers also standardize the format, the content and the meaning of the messages that cross the layer boundary.

- Conceptualizes the whole system as stack of layers

- Each layer focuses on one specific responsibility

- Each layer consumes the services of the layers below it and offers services to the layers above it.

- Data flow is always linear, both upstream and downstream

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