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Defect Migration
"Defect Migration" means that error is early project documents lead to errors in later documents. For example, an incorrect requirement leads to an incorrect set of speacifications, which leads to design errors, which leads to coding errors, which lead to failures when we test against user expectations.

a. How will you prevent Defect Migration?
b. Why do you think preventing Defect Migration is important?


  
Total Answers and Comments: 2 Last Update: May 26, 2009     Asked by: conlocnho18 
  
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March 03, 2009 04:24:37   #1  
G.D.S.Prasad Member Since: November 2006   Contribution: 191    
RE: Defect Migration
1. Defect Migration can be prevented by introducing Reviews at all stages of software developnent.
2. The cost of fixing the defect is much higher in the later phases of the project. This is because rework needs to be done right from the requirements up to test If the defects are caught during the testing phases.
 
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May 26, 2009 06:48:36   #2  
mathan_vel Member Since: December 2007   Contribution: 422    
RE: Defect Migration
a) Reviews are the best way to uncover defects early in SDLC though it is costly. Project Manager failing to justify the review that needs to be scheduled allows the
defects to get migrated.
b) Finding the defect as early phase of the SDLC which overcomes prevent it is highly expansible but it is better way to make the
quality perfect.
 
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