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Manual-Testing - What is two tier and three tier architecture?

asked mar August 3, 2014 06:22 AM  

What is two tier and three tier architecture?


1 Answers

answered By shyam   0  
Two-tier architecture:
    A two-tier architecture is a software architecture in which a presentation layer or interface runs on a client, and a data layer or data structure gets stored on a server. Separating these two components into different locations represents a two-tier architecture, as opposed to a single-tier architecture. Other kinds of multi-tier architectures add additional layers in distributed software design.
Three-tier architecture:
    A three-tier architecture is a client-server architecture in which the functional process logic, data access, computer data storage and user interface are developed and maintained as independent modules on separate platforms. Three-tier architecture is a software design pattern and a well-established software architecture.
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