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EIS architecture - tier EIS Architecture

3 important questions on EIS architecture - tier EIS Architecture

Tier 3: Process logic

 Contains the logic that implements the business process flow between the individual task that an EIS supports.
 Orchestration of business functions

Tier 4: Presentation logic

 Contains the logic that implements the interaction with the human user of the IES.
 It displays data to the user and accepts input from the user.
 Also known as Front-end layer or user interface layer

Principles & benefits of tiered architecture

o Each layer is unaware of the inner workings of the other layers
o Applications in a tier can be changed/upgraded
o Tiers can reside in different machines
o Every layer can exist without the layers above it, and requires the layers below to function

The question on the page originate from the summary of the following study material:

1BV20 - Business information systems management

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