Requirements validation

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Requirements validation

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Requirements validation

  1. 1. Requirements Validation Darlan ArrudaMSc. Course in Computer Engineering – University of Pernambuco
  2. 2. Summary• Introduction• Requirements Validation X Requirements Verification• Requirements Validation Process• Requirements Validation Techniques• Conclusion
  3. 3. Introductionl What is Requirements Validation?l Why Requirements Validation is important?
  4. 4. Requirements Validation X Requirements Verification• Validation – “Am I building the right product?” Checking a work product  against higher-level work products or authorities that frame this particular product.• Verification – “Am I building the product right?” Checking a work product against some standards and conditions imposed on this type of product and the process of its development.
  5. 5. Requirements Validation X Requirements Verification
  6. 6. Requirements Validation Process
  7. 7. Requirements Validation Process
  8. 8. Common Problems solved by Requirements Validation• Description of unclear requirements especification• Ambiguity between requirements• Conflicts between requirements that were not detected in the analysis process• Unreal Requirements• Lack of information
  9. 9. Quality attributes (Checklist for Requirements Validation) l comprehensibility l consistency l redundancy l organization l completeness l compliance with standards l ambiguity l traceability
  10. 10. Requirements Validation Techniques• Standards Review • Prototyping• Validation of Models• Testing Requirements
  11. 11. Doubts?
  12. 12. Katasonov, Artem. Lecture 6: Requirements Validation  andVerification . University of Jyväskylä. Available on http://www.bilkent.edu.tr/~bakporay/cs_413/Lecture6_Requirements_V&V.pdfVerification and validation. Wikipedia.http://en.wikipedia.org/wiki/Verification_and_validation

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