White and black box design

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Contents

Intro

Lets introduce Two types of Design methodology.

White box design

What we follow now in most cases:

  • Requirements doc completed
  • Sys analyst creates and documents Design based on Requirements doc
  • Design goes through review process
  • developer codes based on Design doc
  • QA tests based on Design doc

Black box design

Alternative approach:

  • Requirements doc completed
  • Developer codes based on Requirements doc (creating Fully Functional Prototype)
  • Sys analyst creates and documents Design based on Prototype
  • Design and Prototype go through review process
  • QA tests based on Design doc

Test

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