Wednesday, June 26, 2013

The basic functionalities of 3 - Tier or N-Tier Architecture

Presentation Layer
  •  Gathering information from the user
  • Sending the user information to the business services from processing
  • Receiving the result of the business services processing
  • Presenting those results to the user

Business Layer

  • Receiving input from the presentation tier.
  • Interacting with the data services to perform the business operations.
  • Sending the processed results to the presentation tier.

Data Service Layer

  • Storage of data
  • Retrieval of data
  • Maintenance of data
  • Integrity of data

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